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Metrology Industry Standard Catalog: JJG series obsolete standard number————————Current standard number————————————————Current standard name JJG1-1989 JJG1-1999 Verification regulations for steel rulers JJG2-1986 JJG2-1999 Verification regulations for wooden straight (folding) rulers JJG3-1984 JJG2-1999 Verification regulations for wooden straight (folding) rulers JJG4-1989 JJG4-1999 Verification regulations for steel tape measures JJG5-1992 JJG5-2001 Verification regulations for fiber tape measures and measuring ropes JJG6-1983 JJG5-2001 Verification regulations for fiber tape measures and measuring ropes JJG7-1986 JJG7-2004 Verification Rules for Right Squares JJG8-1992 JJG8-1991 Verification Rules for Level Rods JJG9-1986 JJG13-1997 Verification Rules for Analog Indicating Scales JJG10-1987 JJG10-2005 Verification Rules for Special Glass Measures JJG11-1987 JJG10-2005 Calibration regulations for special glass measuring instruments JJG12-1987 JJG10-2005 Calibration regulations for special glass measuring instruments JJG13-1986 JJG13-1997 Calibration regulations for analog indicating scales JJG14-1985 JJG14-1997 Calibration regulations for non-automatic indicating scales JJG15-1985 JJG14-1997 Non-automatic indicating scale calibration regulations JJG17-1986 JJG17-2002 Steelyard calibration regulations JJG18-1990 JJG18-2008 Medical syringe calibration regulations JJG19-1958 JJG19-1985 Quantitative lifting calibration regulations JJG20-1989 JJG20-2001 Standard glass measuring instrument calibration regulations JJG21-1986 JJG21-1995 Micrometer calibration regulations JJG21-1995 JJG21-2008 Micrometer calibration regulations JJG22-1991 JJG22-2003 Internal diameter micrometer calibration regulations JJG23-1988 JJF1091-2002 Calibration specifications for micrometers for measuring internal dimensions JJG24-1986 JJG24-2003 Calibration regulations for depth micrometers JJG25-1987 JJG25-2004 Calibration regulations for thread micrometers JJG26-1986 JJG26-2001 Calibration regulations for lever micrometers JJG27-1980 JJG26-2001 Lever caliper calibration regulations JJG28-1991 JJG28-2000 Flat crystal calibration regulations JJG29-1991 JJG28-2000 Flat crystal calibration regulations JJG30-1992 JJG30-2002 General caliper calibration regulations JJG31-1987 JJG31-1999 Height caliper calibration regulations JJG32-1987 JJG30-2002 Universal caliper calibration regulations JJG33-1979 JJG33-2002 Universal angle gauge calibration regulations JJG34-1996 JJG34-2008 Indicator (pointer type, digital display) calibration regulations JJG35-1992 JJG35-2006 Lever gauge calibration regulations JJG36-1989 JJF1102-2003 Internal diameter gauge calibration regulations JJG37-1992 JJG37-2005 Sine gauge calibration regulations JJG38-1984 JJF1084-2002 Frame level and bar level calibration regulations JJG39-1990 JJG39-2004 Calibration regulations for mechanical comparators JJG40-1993 JJG40-2001 Calibration regulations for X-ray flaw detectors JJG41-1990 JJF1207-2008 Calibration regulations for needle gauges and three-pins JJG42-1987 JJG42-2001 Calibration regulations for working glass floats JJG43-1986 JJG2-1999 Verification regulations for wooden straight (folding) rulers JJG44-1986 Abolished JJG45-1986 JJG45-1999 Verification regulations for optical meters JJG46-1976 JJG46-2004 Verification regulations for torque balances JJG48-1990 JJG48-2004 Calibration procedures for silicon single crystal resistivity standard samples JJG49-1987 JJG49-1999 Verification procedures for spring tube type precision pressure gauges and vacuum gauges JJG50-1986 JJG50-1996 Verification procedures for glass liquid thermometers for petroleum products JJG51-1983 JJG51-2003 Calibration regulations for piston pressure and vacuum gauges with balanced liquid column JJG52-1987 JJG52-1999 Spring tube type general pressure gauges, pressure vacuum gauges and vacuum gauges JJG53-1986 JJG45-1999 Calibration regulations for optical meters JJG54-1984 JJF1066-2000 Calibration regulations for length measuring machines JJG56-1984 JJG56-2000 Tool microscope calibration regulations JJG57-1984 JJG57-1999 Optical digital display dividing head calibration regulations JJG58-1984 JJG58-1996 Radius template calibration regulations JJG59-1990 JJG59-2007 Piston pressure gauge calibration regulations JJG60-1984 JJG60-1996 Thread template calibration regulations JJG61-1980 JJG7-2004 Right-angle ruler calibration regulations JJG62-1986 JJG62-1995 Feeler gauge calibration regulations JJG62-1995 JJG62-2007 Feeler gauge calibration regulations JJG63-1994 JJG63-2007 Calibration Regulations for Knife-Edge Rulers JJG65-1986 JJF1125-2004 Calibration Regulations for Hob Checkers JJG67-1985 JJG67-2003 Calibration Regulations for Total Radiation Thermometers for Work JJG68-1976 JJG68-1991 Calibration regulations for hidden wire optical pyrometers for work JJG70-1993 JJG70-2004 Calibration regulations for angle blocks JJG71-1991 JJG71-2005 Calibration regulations for third-class standard metal linear scales JJG72-1959 JJG72-1980 Calibration regulations for linear comparators JJG73-1994 JJG73-2005 Standard glass linear scale calibration regulations JJG74-1992 JJG74-2005 Industrial process measurement recorder calibration regulations JJG75-1982 JJG75-1995 Standard platinum rhodium 10-platinum thermocouple calibration regulations JJG76-1980 JJF1092-2002 Calibration specifications for light-section microscopes JJG77-1983 JJG77-2006 Calibration specifications for interference microscopes JJG78-1982 JJF1123-2004 Calibration specifications for base circle pitch comparators JJG79-1982 JJF1121-2004 Calibration specifications for hand-held pitch comparators JJG80-1960 JJG80-1981 Calibration regulations for tangential tooth thickness gauges JJG81-1960 JJG81-1981 Calibration regulations for common normal line checkers JJG82-1986 JJG82-1998 Calibration regulations for common normal line micrometers JJG83-1984 JJG82-1998 Verification regulations for public normal line micrometers JJG84-1988 JJF1072-2000 Calibration specification for tooth thickness caliper JJG85-1984 Abolition of JJG86-1986 JJG86-2001 Standard glass float gauge calibration specification JJG87-1987 JJF1138-2005 Calibration specification for milling cutter inspection instrument after grinding JJG88-1993 JJF1109-2003 Calibration specification for runout checker JJG89-1986 JJG28-2000 Calibration specification for flat crystal JJG90-1961 JJG90-1983 Calibration specification for gear tooth and radial runout instrument JJG91-1989 (part) JJF1122-2004 Calibration specification for gear helix measuring instrument JJG91-1989 (part) JJF1124-2004 Calibration specifications for gear involute measuring instruments JJG92-1975 JJG92-1991 Verification regulations for universal gear measuring instruments JJG93-1989 JJF1124-2004 Calibration specifications for gear involute measuring instruments JJG94-1961 JJG94-1981 Verification regulations for comprehensive gear double-sided meshing checker JJG95-1961 JJG95-1986 Verification regulations for gear single-sided meshing checker JJG96-1961 JJG96-1986 Verification regulations for double-sided meshing checker for small module gears JJG97-1981 JJG97-2001 Verification regulations for goniometer JJG98-1990 (Mechanical balance part) JJG98-2006 Mechanical balance calibration regulations JJG98-1990 (Electronic balance part) JJG1036-2008 Electronic balance calibration regulations JJG99-1990 JJG99-2006 Weight calibration regulations JJG100-1994 JJG100-2003 Calibration regulations for full-station electronic speed testers JJG101-1981 JJG101-2004 Calibration regulations for contact interferometers JJG102-1989 JJF1099-2003 Calibration regulations for surface roughness comparison samples JJG103-1988 JJG103-2005 Calibration regulations for electronic level and image level JJG104-1986 JJF1083-2002 Calibration regulations for optical inclinometer JJG105-1983 JJG105-2000 Calibration regulations for tachometer JJG107-1995 JJG107-2002 Stand-alone type and centralized management decentralized billing type telephone time meter JJG107-1983 (time measurement part) JJG237-1995 Calibration regulations for pointer time interval measuring instrument JJG109-1986 JJG109-2004 Calibration regulations for dial indicator card gauge JJG110-1979 JJG110-2008 Standard tungsten strip lamp calibration regulations JJG111-1989 JJG111-2003 Glass thermometer calibration regulations JJG112-1991 JJG112-2003 Metal Rockwell hardness tester (A, B, C, D, E, F, G, H, K, N, T scale) calibration regulations JJG113-1991 JJG113-2003 Standard Rockwell hardness block (A, B, C, D, E, F, G, H, K, N, T scale) calibration regulations JJG114-1990 JJG114-1999 Beckman thermometer calibration regulations JJG115-1990 JJG115-1999 Standard copper-copper-nickel thermocouple calibration regulations JJG116-1983 JJF1097-2003 Flat ruler calibration regulations JJG117-1991 JJG117-2005 Flat plate calibration regulations JJG118-1986 JJG118-1996 Torsion spring comparator calibration regulations JJG119-1984 JJG119-2005 Laboratory Ph (acidity) meter calibration regulations JJG123-1988 JJG123-2004 DC potentiometer calibration regulations JJG124-1993 JJG124-2005 Ammeter, voltmeter, power meter and resistance meter calibration regulations JJG125-1986 JJG125-2004 DC bridge trial calibration regulations JJG126-1988 JJG166-1993 DC resistor calibration regulations JJG127-1986 JJF1127-2004 Radio frequency impedance/material analyzer calibration regulations JJG128-1989 JJG128-2003 Second-class standard mercury thermometer calibration regulations JJG129-1990 JJG59-2007 Piston pressure gauge calibration regulations JJG130-1984 JJG130-2004 Working glass thermometer calibration regulations JJG131-1991 JJG131-2004 Calibration regulations for point-contact mercury-in-glass thermometers JJG132-1994 JJF 1132-2005 Calibration regulations for combined angle rulers JJG133-1987 JJG133-2005 Calibration regulations for automobile oil tanker capacity JJG134-1987 JJG134-2003 Calibration regulations for magnetoelectric speed sensors JJG135-1987 JJG42-2001 Calibration Regulations for Working Glass Float Gauges JJG136-1986 JJF1095-2002 Calibration Regulations for Capacitor Dielectric Loss Measuring Instruments JJG139-1991 JJG139-1999 Calibration Regulations for Tensile and Pressure Universal Material Testing Machines JJG140-1991 JJG140-1998 Railway tank car volume verification regulations JJG140-1998 JJG140-2008 Railway tank car volume verification regulations JJG141-1988 JJG141-2000 Working precious metal thermocouple verification regulations JJG142-1987 JJG142-2002 Verification regulations for non-self-indicating track scales JJG143-1973 JJG143-1984 Verification regulations for standard nickel-chromium-nickel silicon thermocouples JJG144-1992 JJG144-2007 Verification regulations for standard force measuring instruments JJG145-1973 JJG145-1982 Verification regulations for pendulum impact testing machines JJG145-1982 JJG145-2007 Verification regulations for pendulum impact testing machines JJG146-1994 JJG146-2003 Verification regulations for gauge blocks JJG147-1991 JJG147-2005 Verification regulations for standard metal Brinell hardness blocks JJG148-1991 JJG148-2006 Standard Vickers hardness block verification procedures JJG149-1991 JJG113-2003 Standard Rockwell hardness block (A, B, C, D, E, F, G, H, K, N, T scale) verification procedures JJG150-1990 JJG150-2005 Calibration regulations for metal Brinell hardness testers JJG151-1991 JJG151-2006 Calibration regulations for metal Vickers hardness testers JJG152-1991 JJG112-2003 Calibration regulations for metal Rockwell hardness testers (A, B, C, D, E, F, G, H, K, N, T scales) JJG153-1986 JJG153-1996 Standard battery verification procedures JJG154-1974 JJG154-1979 Standard capillary viscometer verification procedures JJG155-1979 JJG155-1991 Working capillary viscometer verification procedures JJG156-1983 JJG156-2004 Verification regulations for rack and plate balances JJG157-1983 JJG157-1995 Verification regulations for non-metallic tensile, pressure and universal testing machines JJG 157-1995 JJG 157-2008 Verification regulations for non-metallic tensile, pressure and universal testing machines JJG158-1975 JJG158-1994 Standard Compensated Micro Pressure Gauge Verification Regulations JJG159-1975 JJG159-1994 Second and Third Class Standard Double Piston Pressure and Vacuum Gauge Verification Regulations JJG159-1994 JJG159-2008 Double Piston Pressure and Vacuum Gauge Verification Regulations JJG160-1992 JJG160-2007 Standard platinum resistance thermometer calibration regulations JJG161-1973 JJG161-1994 First-class standard mercury thermometer calibration regulations JJG162-1985 JJG162-2007 Cold water meter calibration regulations JJG164-1986 JJG164-2000 Liquid flow standard device calibration regulations JJG165-1989 JJG165-2005 Calibration regulations for bell-type gas flow standard devices JJG166-1984 JJG166-1993 Calibration regulations for DC resistors JJG166-1993 (DC resistance box part) JJG982-2003 Calibration regulations for current resistance boxes JJG167-1975 JJG167-1995 Standard platinum rhodium 30-platinum 6 thermocouple calibration regulations JJG168-1987 JJG168-2005 Vertical metal tank capacity calibration regulations JJG169-1976 JJG169-1993 Transformer calibrator calibration regulations JJG170-1994 JJG73-2005 Standard glass linear scale calibration regulations JJG171-1985 JJG171-2004 Liquid relative density balance calibration regulations JJG172-1984 JJG172-1994 Inclined micromanometer calibration regulations JJG173-1986 JJG173-2003 Signal generator calibration regulations JJG174-1985 JJG173-2003 Signal generator calibration regulations JJG175-1984 JJG175-1998 Test condenser microphone calibration regulations JJG176-1995 JJG176-2005 Acoustic calibrator calibration regulations JJG177-1993 JJG177-2003 Verification regulations for cone gauges JJG178-1989 JJG178-1996 Verification regulations for visible spectrophotometers JJG178-1996 JJG178-2007 Verification regulations for ultraviolet, visible and near-infrared spectrophotometers JJG179-1981 JJG179-1990 Calibration procedures for filter photoelectric colorimeter JJG180-1978 JJG180-2002 Verification procedures for quartz crystal oscillators in electronic measuring instruments JJG181-1989 JJG181-2005 Standard verification procedures for quartz crystal frequency JJG182-1993 JJG182-2005 Calibration regulations for odd-numbered groove micrometers JJG183-1978 JJG183-1992 Calibration regulations for standard capacitors JJG185-1978 JJG185-1997 Calibration regulations for 500Hz~1Mz measuring hydrophones JJG186-1989 JJG186-1997 Calibration Regulations for Moving Coil Temperature (Indicating/Indicating Position Adjustment) Instruments JJG187-1986 JJG186-1997 Calibration Regulations for Moving Coil Temperature (Indicating/Indicating Position Adjustment) Instruments JJG188-1990 JJG188-2002 Calibration Regulations for Sound Level Meters JJG189-1987 JJG189-1997 Calibration regulations for mechanical vibration test benches JJG190-1987 JJG190-1997 Calibration regulations for electric vibration test benches JJG191-1979 JJG191-2002 Calibration regulations for level gauges JJG192-1979 JJG30-2002 Calibration regulations for general calipers JJG193-1987 JJF1088-2002 Calibration specifications for outer diameter micrometers (measuring range 500mm~3000mm) JJG194-1992 JJG194-2007 Calibration regulations for square boxes JJG195-1979 JJG195-2002 Calibration regulations for continuous cumulative automatic scales (belt scales) JJG196-1990 JJG196-2006 Calibration Regulations for Commonly Used Glass Measurements JJG198-1990 JJG198-1994 Calibration Regulations for Velocity Flowmeters JJG198-1994 Turbine Flowmeter Part JJG1037-2008 Turbine Flowmeter Calibration Regulations JJG198-1994 Electromagnetic Flow Part JJG1033-2007 Calibration regulations for electromagnetic flowmeters JJG199-1980 JJG157-1995 Calibration regulations for non-metallic tensile, pressure and universal testing machines JJG201-1999 JJG201-2008 Calibration regulations for indicating measuring instruments JJG202-1990 JJG202-2007 Verification Regulations for Autocollimators JJG205-1980 JJG205-2005 Verification Regulations for Mechanical Temperature and Humidity Meters JJG206-1980 JJG207-1992 Verification Regulations for Liquid Glass Thermometers for Meteorological Use JJG207-1980 JJG207-1992 Verification Regulations for Liquid Glass Thermometers for Meteorology JJG209-1980 JJG209-1994 Volume tube calibration regulations JJG210-1980 JJG210-2004 Mercury barometer calibration regulations JJG211-1989 JJG211-2005 Luminance meter calibration regulations JJG212-1990 JJG212-2003 Color temperature meter calibration regulations JJG213-1990 JJG213-2003 Distribution (color) temperature standard lamp calibration regulations JJG215-1981 JJG1002-2005 Rotational viscometer calibration regulations JJG216-1987 JJG539-1997 Digital indicator scale calibration regulations JJG217-1989 JJG164-2000 Calibration Regulations for Liquid Flow Standard Devices JJG219-2003 JJG219-2008 Calibration Regulations for Standard Gauge Railway Gauge Rulers JJG220-1986 JJG220-2004 Calibration Regulations for Railway Wheel Set Internal Gauge Scales JJG221-1991 Abolish JJG222-1991 Abolition of JJG233-1996 JJG233-2008 Verification regulations for piezoelectric accelerometers JJG225-1992 JJG225-2001 Verification regulations for heat energy meters JJG226-1989 JJG226-2001 Verification regulations for bimetal thermometers JJG229-1987 JJG229-1998 Calibration Regulations for Industrial Platinum and Copper Thermal Resistors JJG231-1980 JJG34-1996 Calibration Regulations for Indicators (Dial Indicators and Micrometers) JJG232-1981 JJG667-1997 Calibration Regulations for Liquid Volumetric Flowmeters JJG233-1991 JJG233-1996 Calibration regulations for piezoelectric accelerometers JJG234-1981 JJG234-1990 Calibration regulations for dynamic weighing track scales JJG235-1990 JJG667-1997 Calibration regulations for liquid volumetric flowmeters JJG236-1981 JJG236-1994 First-class standard piston pressure and vacuum gauge JJG237-1993 JJG237-1995 Calibration regulations for pointer time interval measuring instruments JJG238-1981 (time interval part) JJG237-1995 Calibration regulations for pointer time interval measuring instruments JJG238-1981 (time measurement part) JJG238-1995 Calibration regulations for digital time interval measuring instruments JJG239-1981 JJG239-1994 Second and third class standard piston pressure and vacuum gauge verification procedures JJG241-1981 JJG241-2002 Precision cup and U-shaped liquid pressure gauge verification procedures JJG242-1982 JJG242-1995 Tesla meter verification procedures JJG243-1993 JJF1140-2006 Calibration specifications for right-angle inspection instruments JJG244-1981 JJG244-2003 Calibration regulations for induction voltage dividers JJG245-1991 JJG245-2005 Calibration regulations for illuminance JJG246-1991 JJG246-2005 Calibration regulations for luminous intensity standard lamps JJG247-1981 JJG247-1991 Calibration regulations for standard incandescent lamps with total luminous flux JJG247-1991 JJG247-2008 Calibration regulations for standard incandescent lamps with total luminous flux JJG249-1981 JJG249-2004 Calibration regulations for 0.1mW~200W laser power JJG250-1981 JJG250-1990 Calibration regulations for electronic voltmeters JJG251-1981 JJG251-1997 Calibration regulations for distortion measuring instruments JJG254-1981 JJG254-1990 Calibration regulations for compensated voltmeters JJG257-1994 JJG257-2007 Float flow meter JJG258-1981 JJG258-1988 Horizontal propeller water meter calibration regulations JJG258-1988 JJG162-2007 Cold water water meter calibration regulations JJG259-1989 JJG259-2005 Standard metal measuring instruments calibration regulations JJG260-1991 JJG151-2006 Metal Vickers hardness tester calibration regulations JJG262-1981 JJG262-1996 Analog oscilloscope calibration regulations JJG263-1981 JJG490-2002 Pulse signal generator calibration regulations JJG264-1981 JJG264-2008 Calibration regulations for weighing devices JJG265-1992 JJF1062-1999 Calibration regulations for ionization vacuum gauges JJG266-1981 JJG266-1996 Calibration regulations for horizontal metal tanks JJG267-1982 JJG640-1994 Calibration regulations for differential pressure flowmeters JJG269-1981 JJG269-2006 Verification regulations for torsion testing machines JJG270-1988 JJG270-1995 Verification regulations for sphygmomanometers and sphygmomanometers JJG270-1995 JJG270-2008 Verification regulations for sphygmomanometers and sphygmomanometers JJG271-1984 JJG640-1994 Calibration Regulations for Differential Pressure Flowmeters JJG272-1991 JJG272-2007 Calibration Regulations for Empty Box Barometers and Empty Box Barometers JJG273-1991 JJG99-2006 Calibration Regulations for Weights JJG274-1981 JJG274-2007 Verification regulations for double-tube mercury pressure gauges JJG275-1981 JJG275-2003 Verification regulations for double-edged tool angle gauges JJG276-1981 JJG276-1988 Verification regulations for high-temperature creep and endurance strength testing machines JJG277-1981 JJG277-1998 Standard sound source verification procedures JJG278-1981 JJG278-2002 Oscilloscope calibration instrument verification procedures JJG283-1981 JJG283-1997 Regular polyhedral verification procedures JJG283-1997 JJG283-2007 Regular polyhedral verification procedures JJG284-1982 JJG10-2005 Calibration regulations for special glass measuring instruments JJG285-1982 JJG285-1993 Calibration regulations for moving coil temperature indicating and regulating instruments with time proportional, proportional integral and differential effects JJG286-1982 JJG31-1999 Calibration regulations for height calipers JJG288-1982 JJG288-2005 Reverse the calibration regulations for thermometers JJG289-1982 JJG289-2005 The calibration regulations for surface water temperature meters JJG290-1982 JJG141-2000 The calibration regulations for working precious metal thermocouples JJG291-1999 JJG291-2008 Coated electrode dissolved oxygen meter calibration procedures JJG292-1982 JJG292-1996 Rubidium atomic frequency standard calibration procedures JJG293-1982 JJG249-2004 0.1mW~200W laser power calibration procedures JJG294-1982 JJF1209-2008 Calibration specifications for gear pitch measuring instruments JJG295-1989 JJG734-2001 Calibration regulations for force standard machines JJG296-1987 JJG734-2001 Calibration regulations for force standard machines JJG297-1991 JJG233-1996 Calibration regulations for piezoelectric accelerometers JJG298-1995 JJG298-2005 Calibration regulations for medium frequency standard vibration table (comparison method) JJG300-1982 JJG300-2002 Calibration regulations for small angle inspection instruments JJG301-1982 JJF1105-2003 Calibration regulations for stylus surface roughness measuring instruments JJG304-1989 JJG304-2003 Calibration regulations for type A Shore hardness tester JJG305-1992 JJF1114-2004 Calibration regulations for optical and digital indexing tables JJG306-1982 JJG306-2004 Calibration regulations for 24m Invar base ruler JJG307-1988 JJG307-2006 Verification regulations for electromechanical AC energy meters JJG309-1983 JJG309-2001 Verification regulations for 500K~1000K blackbody radiation sources JJG310-1983 JJG310-2002 Verification regulations for pressure thermometers JJG311-1983 JJG640-1994 Calibration Regulations for Differential Pressure Flow Meters JJG313-1983 JJG313-1994 Calibration Regulations for Current Transformers for Measurement JJG314-1983 JJG314-1994 Calibration Regulations for Voltage Transformers for Measurement JJG324-1983 JJG173-2003 Calibration Regulations for Signal Generators JJG325-1983 JJG173-2003 Signal generator calibration regulations JJG326-1983 JJG326-2006 Standard speed device trial calibration regulations JJG327-1983 JJG105-2000 Tachometer calibration regulations JJG328-1983 JJG105-2000 Tachometer calibration regulations JJG329-1983 JJG105-2000 Tachometer calibration regulations JJG330-1983 JJG330-2005 Mechanical depth thermometer calibration regulations JJG331-1983 JJG331-1994 Laser interference ratiometer calibration regulations JJG332-1983 JJG332-2003 Verification Regulations for Gear Involute Models JJG333-1996 JJF1134-2005 Calibration Regulations for Special Work Dynamometers JJG334-1993 (part of the content) JJG148-2006 Standard Vickers Hardness Block Verification Regulations JJG334-1993 (part of the content) JJG151-2006 Calibration regulations for metal Vickers hardness testers JJG334-1993 (partial content) JJG112-2003 Calibration regulations for metal Rockwell hardness testers (A, B, C, D, E, F, G, H, K, N, T scales) JJG334-1993 (partial content) JJG113-2003 Calibration regulations for standard Rockwell hardness blocks (A, B, C, D, E, F, G, H, K, N, T scales) JJG 335-1991 JJG148-2006 Calibration regulations for standard Vickers hardness blocks JJG336-1983 JJF1100-2003 Calibration regulations for flat equal-thickness interferometers JJG337-1983 JJG52-1999 Spring tube type general pressure gauge, pressure vacuum gauge and vacuum gauge JJG338-1983 JJG338-1997 Charge amplifier calibration regulations JJG339-1983 JJG173-2003 Signal generator calibration regulations JJG340-1984 JJG340-1999 Calibration regulations for hydrophones measuring 1Hz to 1000Hz JJG341-1984 JJG257-1994 Calibration regulations for rotor flow meters JJG343-1984 JJG343-1996 Calibration regulations for smooth limit gauges JJG344-1984 JJG344-2005 Calibration regulations for nickel-chromium-gold iron thermocouples JJG345-1984 JJG201-1999 Calibration regulations for indicating measuring instruments JJG346-1984 JJG346-1991 Calibration regulations for Shore hardness testers JJG347-1984 JJG347-1991 Standard Shore hardness block calibration regulations JJG349-1984 (time measurement part) JJG238-1995 Digital time interval measuring instrument calibration regulations JJG349-1984 JJG349-2001 Universal counter calibration regulations JJG350-1984 JJG350-1994 Calibration regulations for standard sleeve platinum resistance thermometers JJG351-1984 JJG351-1996 Calibration regulations for low-cost metal thermocouples for work JJG353-1994 JJG353-2006 Calibration regulations for 633nm frequency-stabilized lasers JJG355-1984 Abolition * JJG356-1984 JJG356-2004 Pneumatic measuring instrument calibration regulations JJG359-1984 JJG359-2006 633nm frequency stabilized laser calibration regulations JJG361-1984 JJG361-2003 Pulse voltmeter calibration regulations JJG364-1984 JJG364-1994 Surface thermometer calibration regulations JJG365-1984 JJG365-1998 Electrochemical electrode gas oxidation analyzer calibration regulations JJG365-1998 JJG365-2008 Electrochemical oxygen analyzer calibration regulations JJG366-1986 JJG366-2004 Verification regulations for ground resistance meters JJG368-1984 JJG368-2000 Verification regulations for copper-copper-nickel thermocouples for work JJG369-1984 JJG369-1993 Verification regulations for plastic ball indentation hardness testers JJG370-1984 JJG370-2007 Calibration regulations for online vibrating tube liquid density meter JJG371-1992 JJG371-2005 Calibration regulations for gauge block light wave interferometer JJG375-1985 JJG375-1996 Calibration regulations for single-beam UV-visible spectrophotometer JJG375-1996 JJG178-2007 Verification procedures for ultraviolet, visible and near-infrared spectrophotometers JJG376-1985 JJG376-2007 Verification procedures for conductivity meters JJG377-1985 JJG377-1998 Verification procedures for radioactive activity meters JJG378-1985 JJF1091-2002 Micrometer calibration specifications for measuring internal dimensions JJG379-1985 JJG21-1995 Micrometer calibration regulations JJG380-1985 JJG21-1995 Micrometer calibration regulations JJG382-1985 JJF1073-2000 High frequency Q meter calibration specifications JJG383-1985 JJG383-2002 Calibration Regulations for Spectral Radiation and Brightness Standard Lamps JJG384-1985 JJG384-2002 Calibration Regulations for Spectral Radiation and Brightness Standard Lamps JJG385-1985 JJG385-2008 Calibration Regulations for Standard Fluorescent Lamps for Total Luminous Flux JJG387-1985 JJG387-2005 Coaxial resistive attenuator calibration regulations JJG388-1985 JJG388-2001 Pure tone audiometer calibration regulations JJG389-1985 JJG389-2003 Imitation ear calibration regulations JJG392-1985 JJG392-1996 Inductive salinity meter calibration regulations JJG393-1985 JJG393-2003 Calibration regulations for X and γ radiation dose equivalent (rate) instruments and monitors for radiation protection JJG396-1985 JJG396-2002 Calibration regulations for inductive micrometers JJG397-1985 JJG1-1999 Calibration regulations for steel rulers JJG398-1995 JJG4-1999 Calibration regulations for steel tapes JJG399-1985 JJG4-1999 Calibration regulations for steel tapes JJG400-1985 JJG30-2002 Verification regulations for general calipers JJG402-1985 JJG259-2005 Verification regulations for standard metal measuring instruments JJG403-1986 JJF1126-2004 Calibration Specification for Ultrasonic Thickness Gauge JJG404-2003 JJG404-2008 Verification Regulation for Railway Gauge Gauge Calibrator JJG408-1986 JJG408-2000 Verification Regulation for Gear Helix Model JJG410-1986 JJG410-1994 Verification regulations for precision AC voltage calibration source JJG411-1986 JJG262-1996 Verification regulations for analog oscilloscopes JJG412-1986 JJG412-2005 Verification regulations for water flow gas calorimeter JJG413-1989 JJG413-1999 Verification regulations for leather area measuring machine JJG414-1994 JJG414-2003 Verification regulations for optical theodolite JJG415-1986 JJG415-2001 Verification regulations for working radiation thermometers JJG417-1986 JJG416-1986 Verification regulations for platinum-iridium alloy tube radium sources JJG419-1986 JJG387-2005 Coaxial resistive attenuator calibration regulations JJG425-1994 JJG425-2003 Level calibration regulations JJG426-1986 JJG539-1997 Digital indicating scale calibration regulations JJG427-1986 JJG427-2004 Micrometer with meter calibration regulations JJG428-1986 JJF1082-2002 Calibration specifications for flat plate meters JJG429-1986 JJG429-2000 Verification regulations for roundness and cylindricity measuring instruments JJG430-1986 JJF1122-2004 Calibration specifications for gear helix measuring instruments JJG432-1986 Changed to departmental metrology verification regulations JJG433-1986 JJG433-2004 Phase comparator calibration regulations JJG436-1986 changed to departmental metrology calibration regulations JJG437-1989 JJF1111-2003 Modulation degree measuring instrument calibration regulations JJG438-1986 JJG173-2003 Signal generator calibration regulations JJG440-1986 JJG440-2008 Verification regulations for power frequency single-phase phase meters JJG 441-1986 JJG 441-2008 Verification regulations for AC bridges JJG443-1998 JJG443-2006 Verification regulations for fuel dispensers JJG444-1986 JJG444-2005 Standard rail scale calibration regulations JJG448-1993 JJG448-2005 Watt-level ultrasonic power meter calibration regulations JJG449-1986 JJG449-2001 Octave and 1/3 octave filter calibration regulations JJG452-1986 JJG452-2006 Trial verification procedures for black and white standard density sheets JJG453-1986 JJG453-2002 Verification procedures for standard color plates JJG455-1986 JJG455-2000 Verification procedures for working dynamometers JJG456-1986 JJG456-1992 Verification procedures for direct radiation meters JJG458-1986 JJG458-1996 Calibration regulations for pyranometers JJG460-1986 JJG781-2002 Calibration regulations for digital indicator track scales JJG462-1986 JJG462-2004 Calibration regulations for second-class standard ionization vacuum gauges JJG463-1986 JJG198-1994 Calibration Regulations for Velocity Flowmeters JJG463-1996 JJG701-2008 Calibration Regulations for Melting Point Meters JJG464-1986 JJG198-1994 Calibration Regulations for Velocity Flowmeters JJG466-1986 JJG466-1993 Calibration Regulations for Pneumatic Pointer Measuring Instruments JJG468-1986 Changed to Departmental Metrology Verification Regulations JJG469-1986 Changed to Departmental Metrology Verification Regulations JJG470-1986 JJF 1089-2002 Calibration Specifications for Rolling Bearing Radial Clearance Measuring Instruments JJG471-1986 JJG471-2003 Calibration Specifications for Bearing Inner and Outer Diameter Inspectors JJG472-1997 JJG472-2007 Calibration regulations for multi-tooth indexing tables JJG473-1986 JJG473-1995 Calibration regulations for casing rulers JJG475-1986 JJG475-2008 Calibration regulations for electronic universal testing machines JJG476-1986 JJG476-2001 Calibration regulations for flexural testing machines JJG477-1986 JJG476-2001 Calibration regulations for flexural testing machines JJG478-1986 JJG478-1996 Calibration regulations for α, β and γ surface contamination meters JJG479-1986 JJG393-2003 Calibration regulations for X and γ radiation dose equivalent (rate) meters and monitors for radiation protection JJG481-1987 JJG175-1998 Calibration regulations for test condenser microphones JJG482-1987 JJG482-2005 Calibration regulations for laboratory standard microphones (free field reciprocity method) JJG483-1987 JJF 1167-2007 Noise meter calibration regulations JJG484-1987 JJG484-2007 Calibration regulations for DC temperature measuring bridges JJG488-1987 JJG488-1998 Calibration regulations for calibration meters JJG488-1998 JJG488-2008 Calibration regulations for calibration meters JJG489-1987 JJG488-1998 Calibration regulations for calibration meters JJG490-1993 JJG490-2002 Pulse signal generator calibration regulations JJG494-1987 JJG494-2005 High voltage electrostatic voltage calibration regulations JJG495-1987 JJG495-2006 DC magnetoelectric system galvanometer calibration regulations JJG496-1987 JJG238-1995 Calibration regulations for digital time interval measuring instruments JJG497-1987 JJG497-2000 Calibration regulations for collision test benches JJG498-1987 JJG497-2000 Calibration regulations for collision test benches JJG499-1987 JJG499-2004 Precision dew point meter trial calibration regulations JJG500-1987 JJG500-2005 Calibration Regulations for Electrolytic Humidity Meters JJG501-1987 JJG501-2000 Calibration Regulations for Spectrum Analyzers JJG502-1987 JJG502-2004 Calibration Regulations for Synthetic Signal Generators JJG505-1987 JJG505-2004 Calibration regulations for DC comparison potentiometers JJG507-1987 JJG387-2005 Calibration regulations for coaxial resistive attenuators JJG508-1987 JJG508-2004 Calibration regulations for four-probe resistivity testers JJG509-1987 JJG603-2006 Frequency meter calibration regulations JJG510-1987 JJG539-1997 Digital indicator scale calibration regulations JJG512-1987 JJG512-2002 Whiteness meter calibration regulations JJG514-1987 JJG10-2005 Special glass measuring instruments calibration regulations JJG517-1988 JJG517-1998 Taxi meter calibration regulations JJG518-1988 JJG518-1998 Pitot tube calibration regulations JJG519-1988 changed to departmental measurement calibration regulations JJG520-1988 JJG520-2005 Dust sampler calibration regulations JJG521-1988 JJG521-2006 Calibration Regulations for X and γ Radiation Air Absorption Dose Rate Meters for Environmental Monitoring JJG522-1988 JJG377-1998 Calibration Regulations for Radioactive Activity Meters JJG525-1988 JJG525-2002 Calibration Regulations for Inclined Block Micrometer Calibrators JJG526-1988 JJG30-2002 Verification regulations for general calipers JJG527-1988 JJG527-2007 Verification regulations for automatic motor vehicle overspeed monitoring systems JJG528-1988 JJG528-2004 Verification regulations for motor vehicle radar speedometers JJG529-1988 Abolition of JJG531-1988 JJG531-2003 Calibration Regulations for DC Resistor Voltage Divider Box JJG533-1988 JJG533-2007 Calibration Regulations for Standard Analog Strain Calibrator JJG535-1988 JJG535-2004 Calibration Regulations for Zirconia Oxygen Analyzer JJG536-1988 JJG536-1998 Calibration regulations for polarimeters and polarimetric sugar meters JJG537-1988 JJG537-2006 Calibration regulations for fluorescence spectrophotometers JJG538-1988 JJG537-2006 Calibration regulations for fluorescence spectrophotometers JJG539-1988 JJG539-1997 Calibration regulations for digital indicating scales JJG541-1988 JJG541-2005 Calibration regulations for falling impact test benches JJG542-1988 JJG262-1996 Calibration regulations for analog oscilloscopes JJG543-1996 (electrocardiograph part) JJG543-2008 Calibration regulations for electrocardiographs JJG543-1996 (electroencephalograph part) JJG1043-2008 Calibration regulations for electroencephalographs JJG544-1988 JJG543-1996 Calibration regulations for electroencephalographs JJG544-1988 JJG545-2006 Frequency standard comparator calibration regulations JJG547-1988 JJF1190-2008 Dust particle counter calibration regulations JJG548-1988 JJG548-2004 Mercury detector calibration regulations JJG551-1988 JJG551-2003 Sulfur dioxide gas detector calibration regulations JJG554-1988 JJG211-2005 Calibration regulations for brightness meters JJG555-1988 JJG157-1995 Calibration regulations for non-metallic tensile, pressure and universal testing machines JJG558-1988 JJG558-2006 Pilot calibration regulations for drinking measuring instruments JJG560-1988 JJG195-2002 Calibration regulations for continuous cumulative automatic weighing instruments (belt scales) JJG563-1988 JJG563-2004 Calibration regulations for high-voltage capacitor bridges JJG564-1988 JJG564-2002 Calibration regulations for gravity-type automatic loading scales (automatic quantitative scales) JJG565-1988 JJG564-2002 Calibration regulations for gravity-type automatic loading scales (automatic quantitative scales) JJG566-1989 JJG198-1994 Calibration regulations for speed flow meters JJG570-1988 JJG570-2006 Trial calibration regulations for capacitive micrometers JJG571-1988 JJG571-2004 Calibration regulations for reading and measuring microscopes JJG573-1988 JJG573-2003 Calibration regulations for capsule pressure gauges JJG574-1988 JJG574-2004 Calibration regulations for depression tonometers JJG576-1988 JJF 1176-2007 (0～1500)℃Tungsten-rhenium thermocouple calibration specifications JJG577-1994 JJG577-2005 Diaphragm gas meter calibration regulations JJG578-1988 JJG13-1997 Analog indicating scale calibration regulations JJG580-1996 JJG580-2005 Calibration regulations for focimeters JJG582-1988 JJG933-1998 Calibration regulations for gamma ray flaw detectors JJG585-1989 JJG162-2007 Calibration regulations for cold water meters JJG587-1989 JJF1050-1996 Calibration regulations for heat conduction vacuum gauges for work JJG588-1989 JJG157-1995 Calibration regulations for non-metallic tensile, pressure and universal testing machines JJG589-2001 JJG589-2008 Calibration regulations for medical electron accelerator radiation sources JJG597-1989 JJG597-2005 Calibration regulations for AC energy meter calibration devices JJG602-1989 JJG238-1995 Calibration Regulations for Digital Time Interval Measuring Instruments JJG603-1989 JJG603-2006 Frequency Meters JJG604-1989 Changed to Departmental Metrology Verification Regulations JJG605-1989 Changed to Departmental Metrology Verification Regulations JJG606-1989 JJG57-1999 Calibration regulations for optical digital display indexing heads JJG609-1989 JJF1134-2005 Calibration regulations for special work dynamometers JJG619-1989 JJG619-2005 Calibration regulations for PVTt method gas flow standard devices JJG620-1994 JJG620-2008 Critical flow venturi nozzle calibration regulations JJG624-1989 JJG624-2005 Dynamic pressure sensor calibration regulations JJG627-1989 changed to departmental metrology calibration regulations JJG630-1989 JJG630-2007 Flame photometer calibration regulations JJG634-1990 JJG667-1997 Calibration Regulations for Liquid Volumetric Flowmeters JJG636-1990 JJG49-1999 Calibration Regulations for Spring Tube Type Precision Pressure Gauges and Vacuum Gauges JJG642-1990 JJG642-2007 Calibration Regulations for Capacity of Spherical Metal Tanks JJG650-1990 JJG195-2002 Calibration regulations for continuous cumulative automatic weighing instruments (belt scales) JJG651-1990 JJG581-1999 Calibration regulations for medical laser sources JJG653-1990 JJG653-2003 Calibration regulations for dynamometer devices JJG657-1990 JJG657-2006 Calibration regulations for breath alcohol content detectors JJG660-1990 JJG660-2006 Calibration regulations for graphic area calculators JJG661-1990 JJG661-2004 Calibration regulations for plane isoclinding interferometers JJG662-1990 JJG662-2005 Paramagnetic oxygen analyzer calibration regulations JJG664-1990 JJG589-2001 External beam therapy radiation source calibration regulations JJG665-1990 JJG665-2004 Milliwatt ultrasonic power meter calibration regulations JJG667-1990 JJG14-1997 Non-automatic indicating scale calibration regulations JJG668-1990 JJG539-1997 Calibration Regulations for Digital Indicating Scales JJG669-1990 JJG669-2003 Calibration Regulations for Load Cells JJG672-1990 JJG672-2001 Calibration Regulations for Oxygen Bomb Calorimeters JJG673-1990 JJG672-2001 Calibration regulations for oxygen bomb calorimeter JJG675-1990 JJG536-1998 Calibration regulations for polarimeters and polarimetric sugar meters JJG676-1990 JJG676-2000 Calibration regulations for working vibration meters JJG677-1996 JJG677-2006 Calibration regulations for optical interference methane detectors JJG678-1990 JJG678-1996 Calibration regulations for catalytic combustion methane detectors JJG678-1996 JJG678-2007 Verification regulations for catalytic combustion methane detectors JJG679-1990 JJG548-2004 Calibration regulations for mercury detectors JJG680-1990 JJG680-2007 Calibration regulations for smoke samplers JJG682-1990 JJG178-2007 Calibration regulations for ultraviolet, visible and near-infrared spectrophotometers JJG684-1990 JJG684-2003 Surface platinum thermal resistance calibration regulations JJG685-1990 JJF1150-2006 Photoelectric detector relative spectral responsivity calibration regulations JJG686-1990 JJG686-2006 Hot water meter calibration regulations JJG687-1990 JJG687-2008 Liquid material quantitative filling machine calibration regulations JJG688-1990 JJG688-2007 Verification regulations for automobile emission gas testers JJG689-1990 JJG178-2007 Verification regulations for ultraviolet, visible and near-infrared spectrophotometers JJG690-1990 JJG690-2003 Verification regulations for high insulation resistance measuring instruments (high resistance meters) JJG692-1990 JJG692-1999 Calibration regulations for digital electronic blood pressure monitors (static) JJG693-1990 JJG693-2004 Calibration regulations for combustible gas detection alarms JJG695-1990 JJG695-2003 Verification regulations for hydrogen sulfide gas detectors JJG696-1990 JJG696-2002 Calibration procedures for specular gloss meters and gloss plates JJG697-1990 JJG696-2002 Verification procedures for specular gloss meters and gloss plates JJG698-1990 JJG593-2006 Verification procedures for X and γ radiation thermoluminescence dose measuring devices for personal monitoring JJG699-1990 JJG188-2002 Calibration Regulations for Sound Level Meter JJG700-1990 JJG700-1999 Calibration Regulations for Gas Chromatograph JJG701-1990 JJG701-2008 Calibration Regulations for Melting Point Analyzer JJG702-1990 JJG702-2005 Calibration Regulations for Ship Liquid Cargo Measuring Tank Capacity JJG703-1990 JJG703-2003 Photoelectric distance meter calibration regulations JJG704-1990 JJG704-2005 Welding inspection ruler calibration regulations JJG705-1990 JJG705-2002 Liquid chromatography calibration regulations JJG706-1990 JJG74-2005 Calibration Regulations for Industrial Process Measuring Recorders JJG707-1990 JJG707-2003 Calibration Regulations for Torque Wrenches JJG710-1994 JJG676-2000 Calibration Regulations for Working Vibration Meters JJG712-1990 JJG103-2005 Calibration Regulations for Electronic Levels and Combined Levels JJG713-1990 Abolition of JJG716-1991 JJG160-2007 Standard Platinum Resistance Thermometer Calibration Regulations JJG718-1991 JJF 1171-2007 Temperature Circuit Detector Calibration Regulations JJG723-1991 JJG723-2008 Time Interval Generator Calibration Regulations JJG727-1991 JJG59-2007 Verification regulations for piston pressure gauges JJG730-1991 changed to departmental metrology verification regulations JJG731-1991 JJG564-2002 Verification regulations for gravity-type automatic loading scales (automatic quantitative scales) JJG732-1991 JJG246-2005 Verification regulations for luminous intensity standard lamps JJG734-1991 JJG734-2001 Calibration Regulations for Force Standard Machines JJG737-1991 JJF1050-1996 Calibration Regulations for Working Heat Conduction Vacuum Gauges JJG738-1991 JJG738-2005 Calibration Regulations for Taxi Meter Standard Devices JJG739-1991 JJG739-2005 Calibration regulations for laser interferometer JJG740-1991 JJG740-2005 Calibration regulations for ground flat ruler JJG741-1991 JJG741-2005 Calibration regulations for standard steel tape measure JJG744-1997 JJG744-2004 Calibration regulations for medical diagnostic X-ray radiation sources JJG745-1991 JJG745-2002 Verification regulations for motor vehicle headlight detectors JJG746-1991 JJG746-2004 Verification regulations for ultrasonic flaw detection JJG747-1991 JJG747-1999 Verification regulations for Leeb hardness tester JJG748-1991 JJG748-2007 Calibration regulations for oscillographic polarographic shift JJG749-1997 JJG749-2007 Calibration regulations for cardiac and electroencephalographic machines JJG753-1991 JJG734-2001 Calibration regulations for force standard machines JJG754-1991 JJG754-2005 Calibration regulations for optical transfer function measuring devices JJG757-1991 JJG757-2007 Calibration Regulations for Ion Meter JJG759-1991 JJG749-2007 Calibration Regulations for Cardioencephalograph Calibrator JJG760-1991 JJG760-2003 Calibration Regulations for ECG Monitor JJG762-1992 JJG762-2007 Calibration regulations for extensometers JJG763-1992 JJG763-2002 Calibration regulations for temperature and salt depth measuring instruments JJG768-1994 JJG768-2005 Calibration regulations for emission spectrometers JJG778-1992 JJG778-2005 Calibration regulations for noise statistical analyzers JJG779-1992 JJG779-2004 Calibration regulations for speedometer standard device JJG781-1992 JJG781-2002 Calibration regulations for digital indicating track scales JJG783-1992 JJF1113-2004 Calibration regulations for bearing ring angle gauge needle measuring instrument JJG787-1992 JJF1134-2005 Calibration specifications for special working dynamometers JJG789-1992 JJG114-1999 Verification regulations for Beckman thermometers JJG790-1992 JJG790-2005 Verification regulations for laboratory standard microphones (coupling cavity reciprocity method) JJG791-1992 JJG791-2006 Calibration Regulations for Impact Acceleration Standard Devices by Impact Force Method JJG792-1992 Abolition of JJG795-1992 JJG795-2004 Calibration Regulations for Withstand Voltage Testers JJG801-1993 JJG801-2004 Calibration Regulations for Nitrogen Oxide Analyzers by Chemiluminescence Method JJG803-1993 JJG723-2008 Calibration regulations for time interval generators JJG818-1993 JJG818-2005 Calibration regulations for magnetic and eddy current cladding thickness measuring instruments JJG821-1993 JJG821-2005 Calibration regulations for total organic carbon analyzers JJG822-1993 JJG757-2007 Ion meter calibration regulations JJG829-1993 JJF1183-2007 Temperature transmitter calibration regulations JJG830-1993 JJG830-2007 Depth indicator calibration regulations JJG833-1993 JJG833-2007 Standard platinum rhodium 10-platinum thermocouple calibration regulations JJG834-1993 JJG834-2006 Dynamic signal analyzer calibration regulations JJG848-1993 JJF1085-2002 Level calibration regulations JJG849-1993 JJG146-2003 Gauge block calibration regulations JJG850-1993 JJG850-2005 Optical angle gauge calibration regulations JJG857-1994 JJF 1170-2007 Calibration specifications for low temperature resistance thermometers with negative temperature coefficient JJG859-1994 JJG160-2007 Verification procedures for standard platinum resistance thermometers JJG861-1994 JJG861-2007 Verification procedures for enzyme label analyzers JJG866-1994 JJG866-2008 Vertex power standard lens calibration regulations JJG875-1994 JJG875-2005 Digital pressure gauge calibration regulations JJG879-1994 JJG879-2002 Ultraviolet radiation illumination meter calibration regulations JJG880-1994 JJG880-2006 Turbidity meter calibration regulations JJG882-1994 JJG882-2004 Calibration regulations for pressure transmitters JJG889-1995 JJG818-2005 Calibration regulations for magnetic and eddy current coating thickness measuring instruments JJG892-1995 JJG892-2005 Calibration regulations for optometrists JJG893-1995 JJG893-2007 Ultrasonic Doppler fetal heart rate meter ultrasonic source calibration regulations JJG897-1995 Coriolis mass flow meter part JJG1038-2008 Coriolis mass flow meter calibration regulations JJG900-1995 JJF1115-2004 Photoelectric shaft angle encoder calibration regulations JJG907-2003 JJG907-2006 Calibration regulations for automatic scales for dynamic road vehicles JJG915-1996 JJG915-2008 Calibration regulations for carbon monoxide detection alarms JJG919-1996 JJG919-2008 Calibration regulations for pH meter calibration instruments JJG922-1996 JJG922-2008 Calibration regulations for the vertex power standard of an optometre JJG925-1997 JJG925-2005 Calibration regulations for a net pyranometer JJG1030-1991 JJF 1030-1998 Technical performance test regulations for a constant temperature bath JJG1032-1992 JJF 1032-2005 Optical radiation measurement terms and definitions (Trial) JJG1033-1992 JJF 1033-2001 Measurement Standard Assessment Specification JJG1034-1992 JJF 1034-2005 Acoustic Measurement Terms and Definitions (Trial) JJG1035-1992 JJF 1035-2006 Ionizing Radiation Measurement Terms and Definitions JJG1069-2003 JJF 1069-2007 Assessment Specifications for Legal Metrology Verification Institutions JJG2063-1990 JJG2063-2007 Calibration System Table for Liquid Flow Measuring Instruments JJG (Petroleum) 06-1999 SY/T 6740-2008 Well Caliper Calibration Method JJG (Petroleum) 09-1999 SY/T 6640-2005 Calibration method for electronic downhole pressure gauge JJG (Petroleum) 11-2000 SY/T 6675-2007 Calibration method for downhole flow meter JJG (Petroleum) 15-1994 SY/T 6676-2007 Calibration method for drilling fluid density meter JJG (Petroleum) 16-1991 SY/T 6677-2007 Calibration method for drilling fluid solid phase content tester JJG (Petroleum) 21-1996 SY/T 6639-2005 Calibration method for geophone tester JJG (Petroleum) 39-1995 SY/T 6741-2008 Rules for writing calibration methods for petroleum special measuring instruments JJG (Petroleum) 49-1999 SY/T 6742-2008 Calibration method for casing clamp torque instrument JJG (Petroleum) 50-1999 SY/T 6678-2007 Calibration method for electronic dynamometer JJG (Petroleum) 53-2000 SY/T 6743-2008 Calibration method for natural gamma logging instrument Regulation (G) Heat-1-1965 JJG110-1979 Standard temperature lamp calibration procedure (G) length-5-1965 JJG55-1984 Length measuring instrument calibration procedure (G) length-55-1959 JJG55-1984 Length measuring instrument calibration procedure Meteorological instrument trial calibration procedure No. 4 JJG204-1980 Calibration regulations for ventilation psychrometers for meteorological use. Regulations for pilot calibration of meteorological instruments. No. 6 JJG208-1980 Regulations for calibration of mechanical self-recording clocks for meteorological instruments.