English — Forum #350 (Page 34/163)

1. Materials for AVEVA AI installation diagram extraction - HCBBS Forum
2. The density parameter issue of magnetic flap level gauges - HCBBS Forum
3. 25 maintenance experiences for faults in chemical industry instruments - HCBBS Forum
4. Instrument grounding consultation - HCBBS Forum
5. (8) The DCS control system should distinguish between the first accident alarm - HCBBS Forum
6. SIL certification - HCBBS Forum
7. Valve manufacturing achieves versatility and sustainability through modularization - HCBBS Forum
8. Xi’an Dongfeng Electromechanical, Shanghai Keyang Technology, Shanghai Chenzhu Instruments, Hangzhou Kangjisen, Xi’an Huaheng Instruments, and Shandong Blower Group’s He Dinghua Electronics – 30 years of entrepreneurship! - HCBBS Forum
9. Installation plan for combustible gas detectors - HCBBS Forum
10. Festo precision pressure reducing valve gauge - HCBBS Forum
11. The SIL1 level isolation valve can be shared by both SIS and DCS – how should this be understood? - HCBBS Forum
12. Pilz surge protectors - HCBBS Forum
13. Gas Alarm Certification Procedure - HCBBS Forum
14. In a DN600 circulating water pipeline, are the flow velocities uniform across the cross-section? What is the working principle of an insert-type vortex flow meter? - HCBBS Forum
15. Problems with input liquid level measuring range - HCBBS Forum
16. Yokogawa DCS training video - HCBBS Forum
17. Brothers, is that representation in the drawing correct? - HCBBS Forum
18. Send a currently popular wireless-transmitted gauge (temperature/pressure/level) - HCBBS Forum
19. Does this block need to wait for 2 minutes? - HCBBS Forum
20. Which flowmeters cannot be purged with steam? - HCBBS Forum
21. Share--Electrician Calculator V8.2_app - HCBBS Forum
22. Indicator next to the tank - HCBBS Forum
23. Questions regarding liquid level and flow rate - HCBBS Forum
24. I seek help from all the seniors here. In the instrument cabinet room, I often hear the instrument installation crew discussing the issue of “target shooting” during wiring. What exactly is “target shooting”? - HCBBS Forum
25. Boundary between pipeline pressure testing and instrument piping - HCBBS Forum
26. Ye Xiangdong: The instrument does not necessarily have to be grounded - HCBBS Forum
27. How to install a thermometer on a thinner pipe? - HCBBS Forum
28. What do the gauge symbols in the diagram mean? - HCBBS Forum
29. Seven common faults of elliptical gear flow meters and their solutions - HCBBS Forum
30. Do Emerson mass flowmeters come with square units? - HCBBS Forum
31. How to deal with the drifting issue of benzene alarms - HCBBS Forum
32. density meter - HCBBS Forum
33. How should the material of the solenoid valve in the control valve’s air circuit be selected? - HCBBS Forum
34. Do the IO points of the loading system PLC also need to be configured in the central control system’s IO list? - HCBBS Forum
35. Issues regarding the calibration of pneumatic control valves - HCBBS Forum
36. Does a simple analyzer necessarily require the sample to be brought out for measurement? - HCBBS Forum
37. Oxygen detection radius - HCBBS Forum
38. HMIWeb Chinese Version - HCBBS Forum
39. Common faults and solutions for ultrasonic flowmeters - HCBBS Forum
40. Seeking advice on on-site cabinet compliance - HCBBS Forum
41. Regarding the Siemens programming download cable - HCBBS Forum
42. Can the SIS valve be manually intervened? - HCBBS Forum
43. Seek flow meter selection guidance - HCBBS Forum
44. What type of level gauge is suitable for detecting the liquid level in a reactor? - HCBBS Forum
45. Applications of infrared thermometers - HCBBS Forum
46. Is there a better thermocouple protection tube than a corundum tube at 1400℃? - HCBBS Forum
47. Selection of mercury microflow meters - HCBBS Forum
48. How to prevent water from entering and damaging outdoor field instruments connected to galvanized conduit via explosion-proof flexible pipes - HCBBS Forum
49. Instrument single-loop commissioning record form - HCBBS Forum
50. Elliptical gear flow meter - HCBBS Forum
51. Installation steps for the Rosemount 644 temperature transmitter with a DIN panel sensor - HCBBS Forum
52. Class A explosion protection, Class B explosion protection, Class A workshops, Class I workshops – how are Zones 0, 1, and 2 distinguished? Are there any guidelines or markings? - HCBBS Forum
53. Help needed - HCBBS Forum
54. PID tuning issues - HCBBS Forum
55. The instrument tag number does not appear - HCBBS Forum
56. Seek help: Chapter on technicians and senior technicians for instrument maintenance - HCBBS Forum
57. Regional alarm setpoint - HCBBS Forum
58. Please have a Honeywell SIS expert take a look at the issue - HCBBS Forum
59. SMC amplifier - HCBBS Forum
60. Metso locator - HCBBS Forum
61. How to make proper secondary use of the steam condensate water in the plant area? - HCBBS Forum
62. Change the alarm sound for ECS700 - HCBBS Forum
63. Does the emergency shut-off valve for the loading pipeline in the tank farm require two-location interlock control? - HCBBS Forum
64. Step control: Determination of the positive and negative actions of the controller? - HCBBS Forum
65. Understanding metal wound gaskets - HCBBS Forum
66. What is the content measured by TOC? - HCBBS Forum
67. Instrument selection and basic knowledge sharing - HCBBS Forum
68. What is the problem when a pneumatic valve stops in one position for a while? - HCBBS Forum
69. How to enter observation mode in Honeywell’s SM sis monitoring software, Experion Station - HCBBS Forum
70. Do Coriolis mass flowmeters occasionally become inaccurate? - HCBBS Forum
71. Electric actuator - HCBBS Forum
72. How to distinguish between Zener safety barriers and isolated safety barriers? ? ? - HCBBS Forum
73. SIL3 instrument isolation valve - HCBBS Forum
74. Issues related to Siemens positioner SIPART PS2 - HCBBS Forum
75. Data conversion process from field instruments to DCS - HCBBS Forum
76. Does anyone have the instruction manuals for Bently’s 330105 and 330500 probes? - HCBBS Forum
77. The meaning of PID parameter sizes. - HCBBS Forum
78. Regarding toxic gas detectors: Setting of alarm values and high alarm values - HCBBS Forum
79. Introduction to the application advantages of laminar flow mass flow meters in the environmental protection industry - HCBBS Forum
80. Instrument Engineering Construction Manual - HCBBS Forum
81. Do vortex flowmeters generally require a reduction in diameter? - HCBBS Forum
82. Does a radar level gauge require a sleeve? - HCBBS Forum
83. Wireless communication transmission - HCBBS Forum
84. Does the control column have a SIL-certified code? - HCBBS Forum
85. 【DeltaV Video】Emerson DeltaV video tutorials - HCBBS Forum
86. Emerson Coriolis mass flow meters and E+H mass flow meters - HCBBS Forum
87. In interlocking, positive logic and negative logic are discussed - HCBBS Forum
88. Gas alarm connected to PLC - HCBBS Forum
89. Specifications for interlock testing - HCBBS Forum
90. What is the resistance of the ASCO solenoid valve? - HCBBS Forum
91. Standard sink - HCBBS Forum
92. How is the SIL level of an instrument determined? - HCBBS Forum
93. Help post: How to measure the wall temperature of a steam drum? - HCBBS Forum
94. Issues related to the selection of instrument cables - HCBBS Forum
95. How should the pressure difference in a distillation tower be controlled? - HCBBS Forum
96. Please, experts, share your thoughts – what else needs to be improved? - HCBBS Forum
97. How to use the 475 handheld controller to configure a Rosemount 3051 pressure transmitter - HCBBS Forum
98. (Dry contact) When the DI channel is open, voltage is detected between the two terminals; when it is closed, no voltage is detected. What is the principle behind this? - HCBBS Forum
99. Seeking advice on valve selection for 80% hydrogen-containing media - HCBBS Forum
100. Selection of valves for pipelines - HCBBS Forum