English — Forum #350 (Page 113/163)

1. Issues regarding the unit interlock testing of vibration, displacement, and rotational speed - HCBBS Forum
2. Color of the interlock valve switch in SIS - HCBBS Forum
3. Question: Installation issues with single-flange pressure transmitters - HCBBS Forum
4. Digital display meter - HCBBS Forum
5. It will exceed the trillion mark in 2018! The instrumentation industry still needs to keep working hard - HCBBS Forum
6. BanksiaControls positive displacement flow meter - HCBBS Forum
7. Do I need to remove the level gauge for purging? - HCBBS Forum
8. Wear-resistant thermocouples in cement plants keep breaking; what factors can cause breaks of the kind shown in the image? - HCBBS Forum
9. Valve issues and temperature problems - HCBBS Forum
10. Infrared thermometer - HCBBS Forum
11. Regarding cascade interlocks - HCBBS Forum
12. Regarding SIS systems related to the automatic control safety level SIL2 - HCBBS Forum
13. Flange flow meter - HCBBS Forum
14. Questions about the delivery time and price of imported valves~~~ - HCBBS Forum
15. Testing methods for relays - HCBBS Forum
16. Control valve CV value - HCBBS Forum
17. Balanced flow meter - HCBBS Forum
18. I have a question regarding the buoy water calibration method - HCBBS Forum
19. How does this solenoid valve work? - HCBBS Forum
20. Metso positioner issue - HCBBS Forum
21. How long is 5D? - HCBBS Forum
22. Instrument Installation Manual - HCBBS Forum
23. Setup of Toledo IND880 (weighing display controller) - HCBBS Forum
24. Instructions for using the E+h mass flow meter - HCBBS Forum
25. Is there something wrong with this logic? - HCBBS Forum
26. How should I understand the instrument symbols related to the automation field in the drawings? - HCBBS Forum
27. What are the different types of temperature displays in DCS? - HCBBS Forum
28. Instrument control - HCBBS Forum
29. Regarding the selection of conductivity meters - HCBBS Forum
30. Does the MTL4575 temperature-sensitive safety barrier support the Hart protocol? - HCBBS Forum
31. Theoretical Knowledge Questions for Intermediate-Level Instrument Maintenance Workers at CNPC - HCBBS Forum
32. The glycol used as isolation fluid for the instruments has leaked, and replacement isolation fluid is being poured in - HCBBS Forum
33. I’m looking for an introductory tutorial video for ASPEN plus 8.6, thank you - HCBBS Forum
34. SIS system storage tank high and low level cut-off tank root valve - HCBBS Forum
35. With a cause-and-effect diagram or process flowchart, is it necessary to use specialized software for configuration? - HCBBS Forum
36. 3051S English Component Description - HCBBS Forum
37. Dear experts in instruments, please give me some recommendations. I’ll keep supporting you until the end of time - HCBBS Forum
38. Pressure guiding pipeline for instruments used to measure liquid oxygen or liquid nitrogen (-196°C) - HCBBS Forum
39. Looking for recommendations for pressure transmitters and multi-channel signal acquisition devices - HCBBS Forum
40. Instrument air supply pipeline - HCBBS Forum
41. Level measurement of sugar storage tanks - HCBBS Forum
42. Flow meter - HCBBS Forum
43. Why are flow rate data required when purchasing self-acting control valves from a valve factory? - HCBBS Forum
44. Siemens ultrasonic level gauge - HCBBS Forum
45. Problems with flowchart configuration in Honeywell systems - HCBBS Forum
46. 【Control Version】One Question per Day 20180715 - HCBBS Forum
47. Seeking images of safety hazards related to the instrumentation technician exam - HCBBS Forum
48. Does the SIS system require dual power supply? - HCBBS Forum
49. Method to check the accuracy class of household electricity meters - HCBBS Forum
50. Distance of upstream pipe fittings from the orifice flow meter - HCBBS Forum
51. Safety interlock - HCBBS Forum
52. SMC positioner - HCBBS Forum
53. 3500 42M - HCBBS Forum
54. Resolution of three questions regarding gas turbine flowmeters - HCBBS Forum
55. Settings for the AVP300 locator - HCBBS Forum
56. Liquid ammonia storage tank thermometer - HCBBS Forum
57. The gas flow meter has high resistance - HCBBS Forum
58. Several questions regarding the solenoid valve box - HCBBS Forum
59. Interlock instrument labeling - HCBBS Forum
60. Selection of hydrogen mass flow meter - HCBBS Forum
61. Sulfuric acid, hydrochloric acid, liquid alkali mass flow meter - HCBBS Forum
62. Heating issue for outdoor magnetic flap level transmitters in Xinjiang projects - HCBBS Forum
63. I have a question: Are instrumentation and automation the same field in design institutes? - HCBBS Forum
64. Flange pressure tapping - HCBBS Forum
65. I bought three instruments, all of which have 485 interfaces. What do I need to do in order to connect to the DCS via 485 communication? - HCBBS Forum
66. Since flowmeters require straight pipe sections, why do some flowmeters still need valves installed before and after them? - HCBBS Forum
67. PID diagram - HCBBS Forum
68. Reverse osmosis product water flow meter - HCBBS Forum
69. Application range of stainless steel in chloride-containing media - HCBBS Forum
70. What does SPF mean in a PID flowchart? - HCBBS Forum
71. Why aren’t there many accurate orifice flow meters available for use in such devices? - HCBBS Forum
72. Level switch - HCBBS Forum
73. Issues with designing the DCS interface based on the construction drawings - HCBBS Forum
74. A brief introduction to the differences between SIS systems and DCS systems - HCBBS Forum
75. The liquid level and flow rate need to be controlled evenly, with the flow rate being the primary factor and the liquid level being secondary; how should this be represented in a PID controller? - HCBBS Forum
76. Does anyone know the PID parameters in the Yokogawa DCS system? - HCBBS Forum
77. Handbook of Valves and Actuator - HCBBS Forum
78. Burnout test for Yokogawa transmitters - HCBBS Forum
79. Zeroing of Siemens positioner - HCBBS Forum
80. How to choose a feedback switch for the PDS discharge valve - HCBBS Forum
81. Locator - HCBBS Forum
82. I have a question regarding the sealing surface of the flange on liquid chlorine storage tanks: is it necessary to use an MFM surface? - HCBBS Forum
83. Samson 4763 locator - HCBBS Forum
84. I would like to ask everyone: for the 220V UPS circuit in the instrument cabinet of the new installation, the management requires that the neutral wire be grounded, but the design does not specify such a requirement. Is this requirement reasonable? - HCBBS Forum
85. How to identify electrode polarization issues in electromagnetic flowmeters - HCBBS Forum
86. Please share your organization’s plans regarding safety instrumented systems - HCBBS Forum
87. How to achieve interlocked shutdown of a valve that is stuck open - HCBBS Forum
88. What type of control mechanisms are these? - HCBBS Forum
89. New beginner, seeking help - HCBBS Forum
90. Position of the control valve - HCBBS Forum
91. Maintenance of vortex flow meter accumulators - HCBBS Forum
92. Questions regarding integrated ultrasonic open-channel flow meters - HCBBS Forum
93. Magnetic flap level remote transmission - HCBBS Forum
94. Price of pneumatic insulated jacket ball valve - HCBBS Forum
95. Installation issues with Siemens STEP7-Micro/WIN software - HCBBS Forum
96. Those familiar with Zhejiang University Zhongkong DCS, please advise - HCBBS Forum
97. The on-site gauge of the Yokogawa Worm Gear Flow Meter shows a reading, but there is no signal output - HCBBS Forum
98. Large fluctuations in the ultrasonic level gauge? Solve - HCBBS Forum
99. Is there any relevant standard for installing the pressure sensing element in front of the thermometer? - HCBBS Forum
100. Questions about P&ID - HCBBS Forum