English — Forum #350 (Page 38/163)

1. For hazardous chemicals that are only under strict supervision, without hazardous processes and not constituting major hazard sources, is it necessary to install a SIS? - HCBBS Forum
2. Radar level gauges fail frequently - HCBBS Forum
3. I have a question for the experts: In a DCS system, how many actuators can be associated with one logical variable? - HCBBS Forum
4. Problems with the installation of differential pressure level transmitters - HCBBS Forum
5. 20 common problems with Siemens PLCs - HCBBS Forum
6. Regarding the calculation and selection of regulating valves - HCBBS Forum
7. How did I suddenly go from the 2nd year of university to the 5th grade in elementary school? ? - HCBBS Forum
8. Application of pressure instruments in voltage regulation stations in practical operations - HCBBS Forum
9. For benzene toxic gas detectors, what range should be chosen? What range should be chosen for the formaldehyde sensor? - HCBBS Forum
10. Honeywell PKS C200 DCS system AO card - HCBBS Forum
11. 6 precautions for using radar level gauges - HCBBS Forum
12. How to add a waterproof sealing joint to a flexible tube - HCBBS Forum
13. Xiaobai is asking for help – how should this diagram be understood? - HCBBS Forum
14. Are micro pressure gauges with a range of ±5 kPa available? - HCBBS Forum
15. Instrument graphic symbols - HCBBS Forum
16. Request for the manual of Jiangsu Hongguang SYRD radar level gauge - HCBBS Forum
17. Is there interlocking in the SIS system? - HCBBS Forum
18. Send a short video introducing the mini multi-point thermocouple - HCBBS Forum
19. I can’t understand the data sheet for the pneumatic cut-off valve - HCBBS Forum
20. Fermentation tank foam detection instrument - HCBBS Forum
21. How are the forward and reverse actions of controllers and valves determined in the DCS monitoring data table? - HCBBS Forum
22. Can a side of the ring-shaped fire water piping network for two separate tank groups be shared? - HCBBS Forum
23. Management and maintenance of DCS systems - HCBBS Forum
24. How are domestic electromagnetic flowmeters and radar level gauges? - HCBBS Forum
25. Issues with the split-type installation of Siemens positioners - HCBBS Forum
26. Analog to 485 communication test tool - HCBBS Forum
27. I have a question: after a switching power supply converts AC 220V to DC 24V, is there a proportional relationship between the values of the AC and DC currents? - HCBBS Forum
28. GDS - HCBBS Forum
29. Emerson Mass Flow Meter: Issues with 485 communication address - HCBBS Forum
30. What type of flow meter should be used on the drip feed pipeline, in conjunction with control valves, to regulate the flow rate? - HCBBS Forum
31. Thermal resistors, thermocouples - HCBBS Forum
32. Should a combustible gas detector be installed for hydrogen peroxide? - HCBBS Forum
33. Can SIS use a valve island? - HCBBS Forum
34. Emerson DCS communication - HCBBS Forum
35. I would like to ask the experienced colleagues: what are the English terms for the stainless steel silencer and the explosion-proof sealing joint of a cylinder? - HCBBS Forum
36. Is there a double-flange level gauge made of titanium? - HCBBS Forum
37. On-site pressure gauge color ring - HCBBS Forum
38. Seeking help in filling out the data sheet for self-acting control valves - HCBBS Forum
39. Valve switching rate - HCBBS Forum
40. Temperature Measurement: Difficult Cases and Discussion Threads - HCBBS Forum
41. A brief discussion on the selection and application techniques for radar level gauges - HCBBS Forum
42. Nine common questions about using turbine flowmeters to measure pure water - HCBBS Forum
43. Guess the gauge from the picture - HCBBS Forum
44. Help needed - HCBBS Forum
45. The issue of whether to install pneumatic diaphragm single-seat valves in horizontal or vertical pipelines - HCBBS Forum
46. How to create flange connections on pipes? - HCBBS Forum
47. Solenoid valve – interpret it from the diagram! - HCBBS Forum
48. Can’t IP67 cover IP65? - HCBBS Forum
49. 【Practical】How to perform preliminary setup of an electromagnetic flowmeter using a 475 handheld programmer - HCBBS Forum
50. Which manufacturers generally produce high-pressure lens gaskets of 500MPa grade well? - HCBBS Forum
51. What does instrument air tank mean? - HCBBS Forum
52. HC276 and 316SS materials were mixed together. - HCBBS Forum
53. Rosemount electromagnetic flow meters show false flow readings; how to handle this? - HCBBS Forum
54. I have a question regarding the use of magnetic flap level gauges in conjunction with remote transmission systems - HCBBS Forum
55. A small amount of ammonia is produced in this reaction – is it necessary to use a toxic gas detector? - HCBBS Forum
56. Six key issues in the management of enterprise safety instrumented systems and improvement measures - HCBBS Forum
57. Precautions for using external level gauges - HCBBS Forum
58. Comparison of the performance and applications of laminar flow principle and thermal principle gas mass flow meters/controllers - HCBBS Forum
59. How are equipment diagrams, device diagrams, and schematic drawings created? What software is commonly used for drawing? - HCBBS Forum
60. IDS-2 series intelligent viscosity meters - HCBBS Forum
61. Regarding cable shielding selection - HCBBS Forum
62. Selection of valve assemblies - HCBBS Forum
63. Is a root valve required for the pressure gauge? - HCBBS Forum
64. Help, is the control valve malfunctioning? - HCBBS Forum
65. Problems with flow meter measurement - HCBBS Forum
66. Problem with opening of automatically controlled valves in WINCC - HCBBS Forum
67. Regarding the selection of the differential pressure transmitter for differential pressure flow meters - HCBBS Forum
68. Grounding knowledge sharing - HCBBS Forum
69. Honeywell C900 - HCBBS Forum
70. Can the PLC control system of the centrifuge be connected to the DCS system? - HCBBS Forum
71. Selection of the size of the UPS output circuit breaker - HCBBS Forum
72. 【Practical】How to perform initial setup of the Yokogawa EJA transmitter using a 475 communicator - HCBBS Forum
73. Selection of level gauge - HCBBS Forum
74. Who has a WinCC7 patch to avoid virus checks? - HCBBS Forum
75. Which signals require redundancy? - HCBBS Forum
76. For CS3000 configuration, how to set limits? - HCBBS Forum
77. What certificates do instrument calibrators need? - HCBBS Forum
78. Regarding the selection for measuring flow rate, my true nature has shown again - HCBBS Forum
79. Does anyone have study materials for Rockwell DCS? - HCBBS Forum
80. A slight doubt about how deep to insert the thermometer - HCBBS Forum
81. Is the equivalent input capacitance and inductance of intrinsically safe instruments calculated or measured? - HCBBS Forum
82. How to determine the instrument interlock wiring for PID diagrams - HCBBS Forum
83. Is it necessary for system IO cards and intelligent valve positioners to have HART protocol support? - HCBBS Forum
84. UPS power supply issue - HCBBS Forum
85. How to perform routine maintenance on Rosemount pressure transmitters? - HCBBS Forum
86. How should gas turbine flowmeters be maintained during use? - HCBBS Forum
87. External floating roof tank - HCBBS Forum
88. Differential pressure level gauge used to measure liquid level in high hydrostatic pressure sealed tanks - HCBBS Forum
89. For newly purchased small units equipped with condition monitoring, what functional requirements should be specified in the instrumentation technical agreement? - HCBBS Forum
90. Wiring for the SIS reset hard button - HCBBS Forum
91. Design and selection of radar level gauges for oil depots - HCBBS Forum
92. Guys, I’m asking a question again - HCBBS Forum
93. Signal generator verification temperature - HCBBS Forum
94. Can DCS flowchart files created with Hilscher software be opened properly in the software used by Zhejiang University’s Zhongkong? - HCBBS Forum
95. Flow meter - HCBBS Forum
96. How to understand \"pressure measurement with an alarm device\" within the requirements for mandatory calibration of pressure gauges - HCBBS Forum
97. Electrical load classification for instruments and control systems - HCBBS Forum
98. Have you used Rosemount ERS level gauges? - HCBBS Forum
99. Seeking information on the temperature and humidity requirements for storing control system cards and modules? - HCBBS Forum
100. Request regarding the provision of toilets in the anti-riot control room - HCBBS Forum