English — Forum #350 (Page 4/163)

1. What is the difference between safety pressure gauges and ordinary Bourdon tube pressure gauges? - HCBBS Forum
2. Standards of the Ministry of Chemical Industry and Petrochemical Industry - HCBBS Forum
3. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 05–11 - HCBBS Forum
4. Looking for WinCC and STEP7 software that can run on Win7 - HCBBS Forum
5. Seeking advice on measuring the density of the medium with a mass flow meter - HCBBS Forum
6. Problems with shaft system instruments - HCBBS Forum
7. Issues related to PID tuning of the Hilscher MACSV system - HCBBS Forum
8. Rosemount differential pressure transmitter issues - HCBBS Forum
9. 【Control Version】One Question per Day 20180419 - HCBBS Forum
10. Standard Specifications for Industrial Control Design in the Field of Automatic Control (Carefully compiled by Shutong to offer the most comprehensive and up-to-date collection available) - HCBBS Forum
11. Issues with the positioner of the control butterfly valve - HCBBS Forum
12. That tiny relay on the instrument – how is it used to drive an AC contactor in order to control the large water pump? I don’t know how to do it; who can teach me? - HCBBS Forum
13. Problem with remote transmission of thermal power station data - HCBBS Forum
14. Reading of the magnetic flap level gauge - HCBBS Forum
15. Standard for symbols of temperature instruments - HCBBS Forum
16. What is the development direction of chemical process instrumentation? - HCBBS Forum
17. Gas detector, gas analyzer - HCBBS Forum
18. Reasons for wear of the control valve stem - HCBBS Forum
19. Can the pneumatic shut-off valve of FO be modified by removing the spring to turn it into a FL valve? - HCBBS Forum
20. I’m looking for a configuration for the ESC700; I want to see what I can create on my own when I’m bored - HCBBS Forum
21. Design and selection requirements for interlock emergency stop buttons - HCBBS Forum
22. Can the Rosemount 848T temperature transmitter share an H1 card with other FF bus instruments? ? - HCBBS Forum
23. Schematic diagram of DDZ-III differential pressure transmitter - HCBBS Forum
24. Help pass on the wiring method - HCBBS Forum
25. Dinghua Radar Instrument Training School: Issues to Consider in the Maintenance of High-Frequency Radar Level Gauges - HCBBS Forum
26. servomex2700 - HCBBS Forum
27. How to take the exam to become a technician in the field of petrochemical instrumentation and automation? - HCBBS Forum
28. Siemens positioner - HCBBS Forum
29. 【2026 Electric Valve】Operational locally but unable to be controlled remotely - HCBBS Forum
30. How to deal with an ultrasonic flow meter being out of range - HCBBS Forum
31. What is the installation height for hydrogen fluoride gas detectors in general? - HCBBS Forum
32. Have you used Emerson’s K100, K200, and K300 series mass flow meters? - HCBBS Forum
33. Instrumentation Standard Specifications - HCBBS Forum
34. Problems with magnetic flap level switches - HCBBS Forum
35. The mass flow meters used for loading gasoline and diesel at the company, as well as the weights measured by the scale, show large differences - HCBBS Forum
36. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2020-11-25 - HCBBS Forum
37. Wiring for the SIS reset hard button - HCBBS Forum
38. Selection of control valve for liquid chlorine medium. Thank you - HCBBS Forum
39. Instrument - HCBBS Forum
40. Omron relay - HCBBS Forum
41. Help: Seeking recommendations for explosion-proof secondary instruments - HCBBS Forum
42. Connection between the internal and external networks of the Alstom S8000 - HCBBS Forum
43. SIS discussion - HCBBS Forum
44. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 08–31 - HCBBS Forum
45. Process Engineering Division – Instrumentation and Automation Technology Exchange Forum – Daily Question – Questions 04–30 - HCBBS Forum
46. Common PID mnemonics: - HCBBS Forum
47. Heat the glass container with a depth of 20 mm to a temperature of around 80 degrees - HCBBS Forum
48. The relay is used to control the on-site solenoid valve; the relay has burned out. Why? - HCBBS Forum
49. The instrument suddenly reached its maximum value and then returned to normal after 1 second - HCBBS Forum
50. Problems with the level gauge - HCBBS Forum
51. How can the interlock that shuts off the fire isolation valve be disabled, so that the pump can start only when it is fully open? - HCBBS Forum
52. Beginner in automatic control instrument design - HCBBS Forum
53. I would like to ask about methods for cooling high-temperature media - HCBBS Forum
54. What are the differences between SIS systems, DCS systems, and ESD systems? - HCBBS Forum
55. How to lead a new team (control system team) - HCBBS Forum
56. The SIS stops the pump; the relay remains powered, using its normally closed contacts, and power is cut off during pulses - HCBBS Forum
57. What causes the thermocouple sheath to break and fail? - HCBBS Forum
58. Proper selection of sensors - HCBBS Forum
59. Regular calibration records for power plant chemical instruments - HCBBS Forum
60. Honeywell - HCBBS Forum
61. Sharing of specifications related to instrumentation and automation in the petrochemical industry - HCBBS Forum
62. Selection of on-site level gauges for low-temperature and low-density media - HCBBS Forum
63. Selection of mass flow meters - HCBBS Forum
64. What lubricant should be used for natural gas turbine flow meters? - HCBBS Forum
65. Urgent! Urgent! Control valve diameter calculation software - HCBBS Forum
66. What is the maximum length of the 24-volt power supply circuit for the instrument? - HCBBS Forum
67. Single-chamber equilibrium vessel and double-chamber equilibrium vessel - HCBBS Forum
68. Regarding the phase probe for instruments on the compressor shafting - HCBBS Forum
69. One diagram to help you clearly understand the family tree of automated instruments and meters - HCBBS Forum
70. [2026 Risk Assessment] The fire separation distance between the control room or cabinet room and the equipment does not meet the standard requirements - HCBBS Forum
71. Consultations regarding cable issues - HCBBS Forum
72. I’d like to share a useful resource with you – information on transistors - HCBBS Forum
73. Issues with the calibration of precision electronic pressure gauges - HCBBS Forum
74. Electrical contact vacuum pressure gauge - HCBBS Forum
75. How to set the time on the operation screen for the Zhejiang University Zhongkong JX300 timer? - HCBBS Forum
76. Guys, I need help with the drawing method of PID diagrams for valves - HCBBS Forum
77. Please tell me about three-impulse cascade control of drum water level. - HCBBS Forum
78. Dinghua Electronics debuted in Huizhou to help transform the safety instrument systems of chemical (hazardous chemical) enterprises in South China! - HCBBS Forum
79. Oscilloscope measurement of instantaneous value changes – Power-off time for islanding prevention - HCBBS Forum
80. Cologne mass flow meter - HCBBS Forum
81. DCS screen - HCBBS Forum
82. Control of temperature and humidity in the instrument cabinet room in winter - HCBBS Forum
83. Which standard specifies that human body static eliminators and lightning protection grounding wires cannot be shared? - HCBBS Forum
84. Question regarding pipe flame arresters - HCBBS Forum
85. Who usually handles the automated systems SAT FAT SIT? Is a third party needed? - HCBBS Forum
86. The plug or switch on top of the pressure gauge - HCBBS Forum
87. Regarding the issue of no doors leading directly outside should be provided in cabinet rooms - HCBBS Forum
88. Storage and Transportation Knowledge - HCBBS Forum
89. How to select instruments for dust explosion-proof areas? Meet specifications - HCBBS Forum
90. Foam high and low level detection, instrument options - HCBBS Forum
91. The mass flow meter exhibits large fluctuations - HCBBS Forum
92. Comparison of the performance and applications of laminar flow principle and thermal principle gas mass flow meters/controllers - HCBBS Forum
93. The issue of accurate measurement by ORP meters - HCBBS Forum
94. The pneumatic control valve can open but not close – help needed - HCBBS Forum
95. Handheld terminal issues - HCBBS Forum
96. How to learn sil grading* - HCBBS Forum
97. Gurgling sounds… There are lots of opinions regarding this level gauge from Haiyou; they’re really numerous, and it’s sad to see that. . . . . . . - HCBBS Forum
98. Liquid level measurement in large storage tanks for edible oils - HCBBS Forum
99. Flow meter selection - HCBBS Forum
100. Which is better for the given operating conditions: a control butterfly valve or a control V-ball valve? - HCBBS Forum