English — Forum #350 (Page 63/163)

1. Selection Manual for Anhui Tiankang Electromagnetic Flow Meters - HCBBS Forum
2. Fire alarm settings - HCBBS Forum
3. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-06-16 - HCBBS Forum
4. How can the pH value be better controlled? - HCBBS Forum
5. Seeking help with a minor issue regarding the nitrogen purge device - HCBBS Forum
6. 【Video】Introduction to Inverters (available upon reply) - HCBBS Forum
7. 【Video】What is the difference between stepless speed control and stepped speed control in frequency converters? (Reply visible) - HCBBS Forum
8. An expert from Yokogawa University gave a lecture on July 7: Practical principles and techniques for temperature measurement using Yokogawa recorders! - HCBBS Forum
9. Electronic version of the \"Petroleum and Chemical Industry Automatic Control Design Manual\" - HCBBS Forum
10. Ten key points for installing vortex flowmeters - HCBBS Forum
11. Seeking help from experts regarding Siemens S7200 - HCBBS Forum
12. Zhejiang University Zhongkong JX-300XP Hardware User Manual - HCBBS Forum
13. 【Video】Working principle of hydraulic relief valves and the entire disassembly process [View reply to see] - HCBBS Forum
14. Standards of the Ministry of Chemical Industry and Petrochemical Industry - HCBBS Forum
15. Can an on-site cabinet room be built adjacent to a Class D factory building that contains open-flame equipment? - HCBBS Forum
16. Budget for water quality ozone testing equipment - HCBBS Forum
17. Who knows this logical symbol? - HCBBS Forum
18. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-09-28 - HCBBS Forum
19. Siemens Magnetometric Oxygen Analyzer User Manual, English Version, SIL2 - HCBBS Forum
20. Zhejiang University Zhongkong ECS700 system: the configuration management software fails to open the project - HCBBS Forum
21. Request for E+H, ria 14 field indicator manual - HCBBS Forum
22. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-10-01 - HCBBS Forum
23. Instrument cable - HCBBS Forum
24. Are there clear requirements regarding the calibration cycle for instruments installed at major hazard sources? - HCBBS Forum
25. 【Video】Inverter: Parameter adjustment of motors (visible upon reply) - HCBBS Forum
26. Instrument test questions - HCBBS Forum
27. One input and two outputs; the safety barrier feeds into the DCS on one path and the SIS on another - HCBBS Forum
28. How to detect the presence of plastic particles in pipes? - HCBBS Forum
29. How to use the IOP32 surge protector - HCBBS Forum
30. The mass flow meter market has huge potential - HCBBS Forum
31. How to check the size of a surface mount capacitor - HCBBS Forum
32. Comparison between Yamaku intelligent positioners and Siemens intelligent positioners - HCBBS Forum
33. Analysis of the reasons for the widespread use of bellows globe valves - HCBBS Forum
34. Measure flue gas pressure - HCBBS Forum
35. Electromagnetic flowmeter gets soaked in water - HCBBS Forum
36. How to open and close the 5 valves of this differential pressure gauge - HCBBS Forum
37. Newbie, when starting up, can the control valve be adjusted directly to 50%, or should it be increased gradually from 0% to 50%? - HCBBS Forum
38. Differences between interlock valves - HCBBS Forum
39. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-08-15 - HCBBS Forum
40. Material of thermometer sleeve for liquid chlorine storage tank - HCBBS Forum
41. How the double-acting function of the AVP300 locator is achieved - HCBBS Forum
42. Is it better to install pneumatic control valves in horizontal pipes or vertical pipes? Is the valve itself heavy? - HCBBS Forum
43. Issues related to fire alarm controllers in chemical plants - HCBBS Forum
44. A beginner in DCS: where should I start learning? - HCBBS Forum
45. Are all the sensors and actuators at the lower end of PCS7 from Siemens? - HCBBS Forum
46. Purchase of pneumatic self-regulating valves - HCBBS Forum
47. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-09-16 - HCBBS Forum
48. Troubleshooting of mass flow meters - HCBBS Forum
49. Can’t the flow meter be installed this way? - HCBBS Forum
50. Control valve CV value - HCBBS Forum
51. Learn about mass flow meters! - HCBBS Forum
52. What is the difference between explosion-proof flanges and explosion-proof Y-type sealing joints? - HCBBS Forum
53. The reading of the PT100 platinum thermistor is unstable - HCBBS Forum
54. Who can explain in detail the electronic signature required by control systems? - HCBBS Forum
55. The meaning of the letters in the PID diagram - HCBBS Forum
56. Electric on/off valve – Input signal selection - HCBBS Forum
57. Is it okay if the DCS control room is located too far away from the equipment? - HCBBS Forum
58. How to solve the problem of excessive noise from a control valve - HCBBS Forum
59. Relationship between the flow rate of the medium under test and the pipe diameter - HCBBS Forum
60. Identifying the quality of magnetic flap level gauges and how to implement an alarm function - HCBBS Forum
61. Selection principles and methods for mass flow meters - HCBBS Forum
62. Grounding of multi-core cables for main screen and split-screen displays - HCBBS Forum
63. Reasons for inaccurate accuracy of vortex flowmeters and solutions - HCBBS Forum
64. Classification of pipe diameters - HCBBS Forum
65. Seek solutions to difficult problems with pneumatic control valves - HCBBS Forum
66. Tuning fork level switch - HCBBS Forum
67. Biological desulfurization system for biogas - HCBBS Forum
68. What are the standard requirements for self-resetting fuse technology? - HCBBS Forum
69. Regarding the cylinder reversal issue of pneumatic valves - HCBBS Forum
70. Basis for installing lightning protection grids in instrument circuits - HCBBS Forum
71. Notice on Issuing Guidelines for Safety Control of Distillation Systems [Lu An Jian Fa {2011}140] - HCBBS Forum
72. The effect of grounding and shielding wires in electromagnetic flowmeters - HCBBS Forum
73. Who has the statistical table for instrument static seal points? Please send it - HCBBS Forum
74. Can ordinary six-wire LVDT sensors be used in the ExdⅡBT4 environment? - HCBBS Forum
75. Cylinder-type actuator - HCBBS Forum
76. Help: Seeking recommendations for explosion-proof secondary instruments - HCBBS Forum
77. Yamaku positioner calibration steps - HCBBS Forum
78. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-11-15 - HCBBS Forum
79. The cleaning issue of valve positioners cannot be ignored - HCBBS Forum
80. What should be kept in mind when using a multimeter to measure the valve position switch online? - HCBBS Forum
81. Thermocouple temperature compensation issue - HCBBS Forum
82. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-10-26 - HCBBS Forum
83. I would like to ask the forum members: For fixed toxic gas detectors, is it necessary to have them inspected by a third party once a year, and must such a third party possess CMA certification? - HCBBS Forum
84. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-06-21 - HCBBS Forum
85. Regarding the material of the three-valve assembly - HCBBS Forum
86. Which domestic manufacturers produce plug valves of high quality? - HCBBS Forum
87. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-08-16 - HCBBS Forum
88. Experts, could anyone please explain to me the relationship between the CV value of a control valve, its nominal diameter, and the seat valve? - HCBBS Forum
89. Do you know of any brand of gate valve that has SIL certification? - HCBBS Forum
90. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-06-10 - HCBBS Forum
91. Classification by different measurement methods: Classification of photoelectric diameter meters - HCBBS Forum
92. Instrument automatic control – what does PR mean here? - HCBBS Forum
93. Series of Posts on Preventing Common Problems in Instrument Installation (8) - HCBBS Forum
94. Full stroke time of the valve - HCBBS Forum
95. Venturi flow meter--video explanation - HCBBS Forum
96. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-06-05 - HCBBS Forum
97. Looking for an explanation of the principle behind radio frequency admittance level gauges - HCBBS Forum
98. Measurement of surface temperature of heat exchange tubes in the first-stage converter for ammonia synthesis - HCBBS Forum
99. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-09-25 - HCBBS Forum
100. Flow rate changes in the same tube - HCBBS Forum