English — Forum #350 (Page 100/163)

1. Precautions for the maintenance of instruments and meters - HCBBS Forum
2. Which of the measures specified in Document No. 116 issued by the State Administration of Work Safety has your organization implemented? - HCBBS Forum
3. The Siemens PLC 200 can receive 4-20mA signals - HCBBS Forum
4. What are the inspection items and standards for accepting instrument equipment upon arrival? - HCBBS Forum
5. What kind of valve is this? - HCBBS Forum
6. Instrument issue - HCBBS Forum
7. Reasons for the failure of the high-level gauge in the refinery cooling system - HCBBS Forum
8. Steps for installing combustible gas alarms and fan interlocks in Class A factories - HCBBS Forum
9. Can 2205 material replace grade 400? Can its magnetic properties be utilized in making solenoid valve materials? - HCBBS Forum
10. Safety knowledge for constant temperature and humidity test chambers - HCBBS Forum
11. The gauge of the Coriolis mass flow meter shows a full-scale value of cubic meters per hour; it was working normally before, handling fuel gas. After the start/stop mechanism was activated, the gauge again showed the full-scale value. The measurement was taken in a straight pipe – what could be the reason? - HCBBS Forum
12. There are things I don’t understand in the SIS system - HCBBS Forum
13. For thermal mass flow meters, which brand offers the best products? - HCBBS Forum
14. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 02–26 - HCBBS Forum
15. Safety barrier wiring - HCBBS Forum
16. Recommendations for books on instrumentation and control - HCBBS Forum
17. Experts, please help explain the following interlock logic - HCBBS Forum
18. Difference between diaphragm pressure gauges and diaphragm-type pressure gauges - HCBBS Forum
19. On the drawing method of instrument air pipelines - HCBBS Forum
20. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05-04 - HCBBS Forum
21. How to replace the few level switches that follow the NAMUR output standard in domestic applications - HCBBS Forum
22. Installation process of the Safety Instrumented System SIS - HCBBS Forum
23. A recent graduate in electrical automation is coming to work in the instrumentation industry - HCBBS Forum
24. Seek help: Haiyou 475 bus Chinese menu - HCBBS Forum
25. Rockwell PLC ladder diagram - HCBBS Forum
26. Could you recommend any good equipment or instruments for oil-water separation? - HCBBS Forum
27. Regarding the temperature and pressure reduction controller - HCBBS Forum
28. Xiaobai Cai: How to create this ingredient list? - HCBBS Forum
29. Who has photos of the gas damping in a metal tube float flow meter? - HCBBS Forum
30. Single-loop PID control problem - HCBBS Forum
31. Inside the mechanical positioner: pneumatic amplifier, relay - HCBBS Forum
32. Differences between gland fittings for armored cables and unarmored cables - HCBBS Forum
33. Seeking help with a Fisher locator issue - HCBBS Forum
34. Which model of the side-mounted limit switch comes with a SIL2 certificate? - HCBBS Forum
35. The flow rate of the pneumatic butterfly valve fluctuates occasionally - HCBBS Forum
36. I want to install sensors on the explosion-proof door of the furnace, so that it can detect when the door is opened and trigger an interlock mechanism in a timely manner. What should I choose? - HCBBS Forum
37. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 04–21 - HCBBS Forum
38. Distance requirements for transmitting field instruments to the DCS - HCBBS Forum
39. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 04-02 - HCBBS Forum
40. Steam measured with an Avena flow meter - HCBBS Forum
41. Issue of not touching the handle of the valve instrument air manual valve - HCBBS Forum
42. Back from the electrical department to the control room; it’s my first day at work today, and I’m feeling good - HCBBS Forum
43. The uniform-flow tube flowmeter requires an increased range - HCBBS Forum
44. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05-08 - HCBBS Forum
45. Newbie seeking help - HCBBS Forum
46. Can the zero trim function of 475 be used to calibrate the zero point for double-flat flange level gauges? Why? - HCBBS Forum
47. DCS converts the level change amount into a flow rate value - HCBBS Forum
48. Disassembly of Fisher 2052 split butterfly valve - HCBBS Forum
49. Problems with HOLLiAS_MACS_HuoDian_Power installation - HCBBS Forum
50. What does the control in this diagram mean? - HCBBS Forum
51. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question 05-05 - HCBBS Forum
52. Seeking help regarding Enraf faults - HCBBS Forum
53. Can two ORP electrodes be placed in the same container for measurement at the same time? - HCBBS Forum
54. Help: Issues with the ABb CO2 analyzer AO2020 - HCBBS Forum
55. Regarding the actual dimensions of galvanized steel pipes DN100 - HCBBS Forum
56. :(Doubts regarding the setting of current frequency meters on field operation columns in the chemical industry)~ - HCBBS Forum
57. What do letter codes represent in control systems? - HCBBS Forum
58. Selection of flow meter accuracy - HCBBS Forum
59. Great God of Seas and Rivers, could someone please explain the meaning of the various parameters in the torque calculation sheet for control valves? - HCBBS Forum
60. Four calibration procedures for temperature and pressure are required - HCBBS Forum
61. Issues regarding the mandatory inspection of pressure gauges - HCBBS Forum
62. Experts, does anyone have a detailed explanation of proportional-integral-derivative control for control valves? ! ! ! - HCBBS Forum
63. There are sealing rings for the servo level gauge hub there - HCBBS Forum
64. Under what circumstances should a temperature transmitter be used? - HCBBS Forum
65. Regarding valve selection issues - HCBBS Forum
66. Could some expert please explain when to choose API598 versus API6D? - HCBBS Forum
67. Instrumentation and automation diagram reading - HCBBS Forum
68. The solenoid valve is not working properly - HCBBS Forum
69. I would like to ask whether the cabinet room and the control room should be separated? - HCBBS Forum
70. Why can’t I add an I/O card to the Centum VP R6? - HCBBS Forum
71. G-thread sealing issues - HCBBS Forum
72. Problems with single-flange level gauges - HCBBS Forum
73. Reuse of silicone oil-leaked diaphragm boxes - HCBBS Forum
74. Protection rating issues for voltage transformers and thermocouples - HCBBS Forum
75. The difference between maximum flow rate and rated flow rate when selecting a flow meter - HCBBS Forum
76. Issues with piping instrumentation and flow diagrams - HCBBS Forum
77. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 04-03 - HCBBS Forum
78. Emerson 475 - HCBBS Forum
79. Thermocouple temperature compensation - HCBBS Forum
80. Operation Method of Gnos Chemical Sealed Pressure Transmitter - HCBBS Forum
81. Seeking advice on instrument accuracy calibration - HCBBS Forum
82. Does anyone have any information on the Yokogawa YHC5150X HART communicator? Thank you - HCBBS Forum
83. Reference water column of differential pressure level gauge - HCBBS Forum
84. Selection of pressure tapping points - HCBBS Forum
85. ABB software - HCBBS Forum
86. Measurement of positive and negative poles of DC solenoid valve - HCBBS Forum
87. I would like to learn more about the central control system ESC-700 - HCBBS Forum
88. Selection of domestic pressure transmitters - HCBBS Forum
89. Issues regarding the selection of balanced (porous) flowmeters - HCBBS Forum
90. The use of fire dampers in applications with fire safety requirements - HCBBS Forum
91. Selection of a level gauge for measuring foam height - HCBBS Forum
92. I have a question regarding the Delta DVP-32EH - HCBBS Forum
93. Regulating valve failure - HCBBS Forum
94. What harm can power harmonics from variable-frequency power supplies cause? - HCBBS Forum
95. Are there any components designed to prevent excessive leakage of the medium in case the pressure gauge’s pressure-bearing parts fail, components similar to one-way valves? - HCBBS Forum
96. Dilute acid temperature measurement - HCBBS Forum
97. Freezing prevention issue for pressure gauge installation stubs~ - HCBBS Forum
98. When to use three-valve assemblies and five-valve assemblies? - HCBBS Forum
99. 475 Instructions for Use - HCBBS Forum
100. Function of the paperless recorder for air separation compressors - HCBBS Forum