English — Forum #350 (Page 78/163)

1. [Help Request] Question about instrument response time - HCBBS Forum
2. Sharing standard specifications with everyone: Please leave a message in this post for the standards you need - HCBBS Forum
3. Issues regarding the wire conduit for instruments in the device - HCBBS Forum
4. What are the important online analyses available for hydrogen peroxide production systems? - HCBBS Forum
5. Instrument Selection Data Sheet - HCBBS Forum
6. Is dual PID better or segmented control? - HCBBS Forum
7. What is the function of the total pressure averaging tube in the Aniuoba flow meter? - HCBBS Forum
8. Vacuum system pressure issues - HCBBS Forum
9. Is the technology involved in instrument production complex? - HCBBS Forum
10. Question for help: Where should the on-site thermometers for spherical tanks and dome tanks be installed? - HCBBS Forum
11. Help interpret the thermal resistor sleeve model - HCBBS Forum
12. Issues with license allocation for CENTUM VP R6.06 - HCBBS Forum
13. Strictly speaking in terms of concepts, ESD and SIS are not entirely equivalent - HCBBS Forum
14. Tell me what specifications are used for your 4–20mA instrument cables - HCBBS Forum
15. How to set rotation in the control panel JX300-XP flowchart - HCBBS Forum
16. Seeking help regarding the content of instrument labels - HCBBS Forum
17. How to interpret the model number on the E H80/83 mass flow meter? - HCBBS Forum
18. What do the markings on the flange mean? - HCBBS Forum
19. A brief discussion on the eight major issues in level measurement using radar level gauges and corresponding preventive measures - HCBBS Forum
20. Who has the methods for preparing the four preliminary design documents, or are there any relevant regulations? - HCBBS Forum
21. Fisher pressure control valve - HCBBS Forum
22. Experts, please help me determine whether the flowmeters I currently have can be used for measuring saturated steam - HCBBS Forum
23. Radar level gauge - HCBBS Forum
24. Pressure control - HCBBS Forum
25. In explosion-proof areas, is it necessary to add explosion-proof connectors at the network cable interfaces? - HCBBS Forum
26. May I ask if there are any inspection standards for pressure transmitters? - HCBBS Forum
27. Comprehensive manual for Siemens positioners - HCBBS Forum
28. Steam drum level control - HCBBS Forum
29. Introduction to the book “Weight Checking Scale” - HCBBS Forum
30. H2S alarm value setting - HCBBS Forum
31. Explanation of mutual aid PID diagram - HCBBS Forum
32. Detailed Explanation of the Principle and Features of External Level Gauges - HCBBS Forum
33. Are there any friends who work in design firms for SIS safety instrument systems? - HCBBS Forum
34. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question No. 2020-01-07 - HCBBS Forum
35. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-19 - HCBBS Forum
36. Vortex flowmeter parameters TLA and signal level - HCBBS Forum
37. Looking for Adams valve instructions - HCBBS Forum
38. Who has the instruction manual for the GOV_B function block of Yokogawa ESD Prosafe-RS? - HCBBS Forum
39. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–25 - HCBBS Forum
40. Seeking advice on communication issues with the Zhongkong JX-300XP - HCBBS Forum
41. Problems with operating the control valve via the DCS and solenoid valve - HCBBS Forum
42. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question No. 2020-01-05 - HCBBS Forum
43. Series of Operating Guides for Refining Plants - HCBBS Forum
44. For a Hazop analysis at SIL1 level, is it necessary to use a SIS system? - HCBBS Forum
45. Regarding the parameters in the instrument design specification sheet - HCBBS Forum
46. Is it necessary for the control room to have an explosion-proof design? ? - HCBBS Forum
47. Magnetic flap level gauge for vacuum tanks; the medium cannot enter the level gauge. - HCBBS Forum
48. Problems with counters in the SIS system - HCBBS Forum
49. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-03-01 - HCBBS Forum
50. Issues regarding SIS settings - HCBBS Forum
51. Principles of metal tube float flow meters - HCBBS Forum
52. 【Question】This type of level gauge seems so simple… - HCBBS Forum
53. Seismic pressure gauge - HCBBS Forum
54. Why does a larger β value of the orifice flow meter require a longer straight pipe section? - HCBBS Forum
55. Can the terminal transfer cabinet be installed in a non-explosion-proof cabinet room? - HCBBS Forum
56. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question dated 2020-01-15 - HCBBS Forum
57. Is the pressure gauge in the oxygen check valve box a metering device subject to mandatory inspection? - HCBBS Forum
58. The current industry situation for instruments - HCBBS Forum
59. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question No. 2020-01-12 - HCBBS Forum
60. Interference of walkie-talkies on the instrument system - HCBBS Forum
61. Which specification specifies that flanges for diaphragm pressure variation connections are usually DN25 or 50? - HCBBS Forum
62. How to adjust the balance between two pools and four pumps? - HCBBS Forum
63. A brief discussion on the development and relationships of PID, PLC, DCS, HAZOP, LOPA, and SIS - HCBBS Forum
64. Which high-pressure steam vent valve is the best? Please share your practical experience - HCBBS Forum
65. Theoretical and practical exam questions for junior instrument technicians - HCBBS Forum
66. 12 MPa before the valve and 13 MPa after the valve; hydrogen, DN50 diameter; gate valve – what is the shortest possible time for opening and closing? - HCBBS Forum
67. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 11–17 - HCBBS Forum
68. Question regarding level gauge - HCBBS Forum
69. Question: What is the maximum distance for RS-485 communication? Are there any devices or methods that can increase the distance? - HCBBS Forum
70. Dear experts, for the 3500 two-wire type front-end transmitter with a current range of 4–20A, model number 283033-01, as shown in the image below, what is the zero voltage of the displacement sensor? And what is the installation voltage for the vibration sensor? Thank you - HCBBS Forum
71. What does 3/4\"PBW*Φ12TSW mean? - HCBBS Forum
72. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 12–21 - HCBBS Forum
73. CS3000 system logic block TON - HCBBS Forum
74. How can newcomers understand P&ID diagrams? - HCBBS Forum
75. Thermocouple for heat detection - HCBBS Forum
76. Questions about vortex flow meters - HCBBS Forum
77. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Question No. 2020-01-03 - HCBBS Forum
78. Cascade control, how to operate it - HCBBS Forum
79. Regarding the installation and commissioning of control valve positioners - HCBBS Forum
80. Don’t recognize the flow meter - HCBBS Forum
81. Application of magnetic float level gauges in high-temperature operating conditions. - HCBBS Forum
82. Is the range of temperature transmitters installed outdoors considered to take into account ambient temperatures below 0 degrees? - HCBBS Forum
83. The purpose of installing current monitoring instruments in grinders - HCBBS Forum
84. Sharing some useful PID learning materials* - HCBBS Forum
85. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – 2020-01-19 - HCBBS Forum
86. Emergency help - HCBBS Forum
87. 485 communication issues - HCBBS Forum
88. \"Engineer’s Guide to Level Measurement\" - HCBBS Forum
89. Measure the oil-water interface - HCBBS Forum
90. I would like to know how to force signals in the Yokogawa CS3000 system - HCBBS Forum
91. Are there any valve documents from Shanghai Automation Instrument Factory? - HCBBS Forum
92. Selection of liquid ammonia level gauge - HCBBS Forum
93. How to calibrate a gas turbine flowmeter - HCBBS Forum
94. Instrument symbol recognition - HCBBS Forum
95. Just went to the patent office to pay the annual patent fee, for the seventh year...... - HCBBS Forum
96. A brief discussion on the characteristics of external liquid level switches - HCBBS Forum
97. Cable tester, wire detector - HCBBS Forum
98. Please give some guidance, experts, regarding the thermocouples on the surface of the furnace tubes - HCBBS Forum
99. What are the precautions when using thermal resistors? - HCBBS Forum
100. What do active contacts and passive contacts of limit switches actually mean? - HCBBS Forum