English — Forum #350 (Page 70/163)

1. Seeing someone post animated diagrams explaining the principle of instrumentation equipment, I decided to join in as well - HCBBS Forum
2. What is the principle of temperature control? - HCBBS Forum
3. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-02-13 - HCBBS Forum
4. Everyone, take a look at how to determine whether a valve is open or closed - HCBBS Forum
5. I would like to consult about the limit issues of pneumatic control valves and electric control valves - HCBBS Forum
6. On the calibration of mandatory and non-mandatory measuring instruments - HCBBS Forum
7. Serial server and switch - HCBBS Forum
8. 60 years of experience in instrument inspection and maintenance - HCBBS Forum
9. Help needed - HCBBS Forum
10. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–15 - HCBBS Forum
11. Principle of magnetic flap level gauge and solutions to abnormalities - HCBBS Forum
12. Dear experts and professionals in the field of instruments, - HCBBS Forum
13. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-01-29 - HCBBS Forum
14. Are there installation diagram standards in the United States? - HCBBS Forum
15. Reactor control - HCBBS Forum
16. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-04-26 - HCBBS Forum
17. Schematic of the safety relay? - HCBBS Forum
18. The relationship between the pressure recovery coefficient FL and cavitation - HCBBS Forum
19. Pressure transmitter issues - HCBBS Forum
20. What are the respective applications of the pneumatic control valve, the quick release valve, and the amplifier? - HCBBS Forum
21. Can a pressure transmitter with an output range of 0~20 kPa measure negative pressure? Can it be used with the range set to -20~0 kPa? - HCBBS Forum
22. Electromagnetic flowmeters occasionally fail to display any reading at the beginning - HCBBS Forum
23. Issues with connecting grounded thermocouples and ungrounded thermocouples to DCS - HCBBS Forum
24. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-04-12 - HCBBS Forum
25. Sequential logic 1oo2, 2oo2 – what is it related to? Or? - HCBBS Forum
26. Regarding the insulation and heating of instruments - HCBBS Forum
27. How to conduct acceptance testing for reused instruments in new projects - HCBBS Forum
28. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 12–01 - HCBBS Forum
29. On the issue of calculating the flow rate under operating conditions for orifice plate flow meters using a U-tube manometer - HCBBS Forum
30. How to dispose of waste liquid with online analytical instruments for COD/ammonia nitrogen/total phosphorus/total nitrogen - HCBBS Forum
31. Online conductivity meter - HCBBS Forum
32. Help! Is it necessary to install a SIS in an operational tank farm? - HCBBS Forum
33. Diaphragm pressure gauge - HCBBS Forum
34. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–21 - HCBBS Forum
35. Question: Is the human-machine interface in a PLC system equivalent to the operation station in a DCS? - HCBBS Forum
36. What is the function of a volume corrector? The image shows a volume corrector on a gas pipeline; what kind of fuel is used at the filling port, and what is its function... - HCBBS Forum
37. For the selection of level switches for special operating conditions (40 Mpa, -196°C), please give me some recommendations - HCBBS Forum
38. Probe settings for combustible and toxic gas detection alarms - HCBBS Forum
39. Compensation formula - HCBBS Forum
40. Regarding the internal structure of the valve - HCBBS Forum
41. I forgot the engineering password for Hilscher; how can I open the project? Version 6.5.3 - HCBBS Forum
42. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–28 - HCBBS Forum
43. Working principle of vortex flow meter - HCBBS Forum
44. How to calculate valves for solid powder + gas media, and how to determine the specific gravity? - HCBBS Forum
45. Level switch - HCBBS Forum
46. Composition of the DCS system - HCBBS Forum
47. Rebellion Photonics visible gas monitoring solution - HCBBS Forum
48. Replacement cycle for electrical components such as relays and fuses used in the SIS system - HCBBS Forum
49. Venturi flow meter - HCBBS Forum
50. Instrument - HCBBS Forum
51. Seeking help with temperature transmitter - HCBBS Forum
52. Regarding the Bentley eddy current probe - HCBBS Forum
53. 7 key installation requirements for Dinghua electronic radar level gauges - HCBBS Forum
54. Question: Valve selection regarding media containing nails - HCBBS Forum
55. Reverse connection of the power cable caused the radar level gauge to show no display - HCBBS Forum
56. Issue with the gas detector legend in the drawing - HCBBS Forum
57. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-06 - HCBBS Forum
58. Pressure gauge diaphragm issue - HCBBS Forum
59. Kelor flow meter - HCBBS Forum
60. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-05-17 - HCBBS Forum
61. Self-control valve selection software - HCBBS Forum
62. Does the SIS system require alarms? - HCBBS Forum
63. Looking for reputable suppliers of pressure gauges and flow meters - HCBBS Forum
64. Questions regarding the settings of the e h cm442 level gauge - HCBBS Forum
65. Select an appropriate interfacial meter - HCBBS Forum
66. How do instrument technicians determine whether the temperature-sensing element of a thermal resistor is open-circuited or short-circuited? - HCBBS Forum
67. Discussion on the design calculation methods for venturi tubes - HCBBS Forum
68. Why are the pressure guiding lines at a 45-degree angle below the pipe when measuring steam with a constant velocity tube? - HCBBS Forum
69. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-08 - HCBBS Forum
70. Why isn’t the instrument for the upper limit switch on the electric actuator modified to be an ammeter? - HCBBS Forum
71. What does HSM mean on a PID diagram? - HCBBS Forum
72. Safety valve trip interlock setting - HCBBS Forum
73. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question No. 2020-02-01 - HCBBS Forum
74. Switch valve SIL certification - HCBBS Forum
75. The dew point meter from Vaisalavaisala shows fluctuations after being used for some time - HCBBS Forum
76. Depth of thermometer insertion - HCBBS Forum
77. The level of the double-flange level gauge fluctuates greatly - HCBBS Forum
78. JX300XP debugging issues - HCBBS Forum
79. Does anyone here have the technical specifications for vortex flowmeters and pneumatic shut-off valves? Please help out - HCBBS Forum
80. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-03-13 - HCBBS Forum
81. CS3000 issues - HCBBS Forum
82. The negative pressure of the differential pressure gauge fluctuates due to atmospheric wind forces - HCBBS Forum
83. How to determine the fire separation distance between the control room and Class A workshops - HCBBS Forum
84. Find a solution to the hysteresis problem in display instrument control - HCBBS Forum
85. Please ask a safety instrumentation expert to recommend books to read - HCBBS Forum
86. CENTUMVP Failed to accept licenses - HCBBS Forum
87. What is the concept of a safety instrument? - HCBBS Forum
88. Urgent help——Multiple DeltaV cards are going offline randomly - HCBBS Forum
89. Who has the Chinese instruction manual for the Coriolis mass flow meter Optimass 7400C T25? - HCBBS Forum
90. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 11–07 - HCBBS Forum
91. How to establish a strong foothold in the current market quickly? Electromagnetic flowmeters are the top choice for the flow measurement industry - HCBBS Forum
92. Cause analysis of oil cross-contamination incident due to improper operation of the shut-off valve during power fluctuations in the tank area - HCBBS Forum
93. Which is the best manufacturer of radar level gauges for control rooms? - HCBBS Forum
94. Gas flow inside the instrumentation tube - HCBBS Forum
95. Instrument Repairman’s Manual - HCBBS Forum
96. Regarding the tuning of incremental PID parameters - HCBBS Forum
97. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-04-22 - HCBBS Forum
98. What flow meter is used to measure low-flow nitrogen? - HCBBS Forum
99. Issues with the control valve? - HCBBS Forum
100. Emerson Electronic Wiring System - HCBBS Forum