English — Forum #350 (Page 65/163)

1. Help needed! What do the circular symbols in this PID legend mean? - HCBBS Forum
2. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-07-12 - HCBBS Forum
3. Series of Posts on Preventing Common Problems in Instrument Installation (IV) - HCBBS Forum
4. I’m seeking help from all the seniors - HCBBS Forum
5. Regarding the OPC issues with Zhejiang University Zhongkong - HCBBS Forum
6. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-11-02 - HCBBS Forum
7. 08X101-3 Engineering Design and Construction of Integrated Cabling Systems - HCBBS Forum
8. Hydrocarbon sensor modules are used for flue gas monitoring in the petrochemical industry - HCBBS Forum
9. 【Explanation】Principle of electromagnetic flow measurement - HCBBS Forum
10. The application of mass flow meters in oil product measurement - HCBBS Forum
11. Online detection of instruments on moving equipment as a replacement for listening with the ears - HCBBS Forum
12. Wiring of on-site instruments - HCBBS Forum
13. Insertion-type differential pressure transmitter - HCBBS Forum
14. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-10-25 - HCBBS Forum
15. Differences between expansion and renovation projects - HCBBS Forum
16. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-10-29 - HCBBS Forum
17. Causes of air leakage in electrical valve positioners and solutions - HCBBS Forum
18. Do you know how a flow meter works? - HCBBS Forum
19. Advantages of the vibration testing performed by the Yokogawa oscilloscope recorder DL850E in accordance with the requirements for testing automotive relays - HCBBS Forum
20. Principles for selecting fuses in the instrument cabinet room - HCBBS Forum
21. Does a change in the control mode of the high-voltage frequency converter affect power consumption? - HCBBS Forum
22. Regarding the issue of static electricity protection for valves - HCBBS Forum
23. What flow meter is used for liquid sulfur - HCBBS Forum
24. SH/T3184-2017 - HCBBS Forum
25. Leakage level of control valve on/off valve - HCBBS Forum
26. Seeking advice on parameters for selecting pressure gauges - HCBBS Forum
27. Common faults of Coriolis mass flowmeters and fault repair - HCBBS Forum
28. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-11-07 - HCBBS Forum
29. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-09-09 - HCBBS Forum
30. Can intrinsically safe instruments and flameproof instruments both be made explosion-proof using explosion-proof gland fittings? - HCBBS Forum
31. Some discussions about SIS - HCBBS Forum
32. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-09-04 - HCBBS Forum
33. HG∕T 20637.2.3.4.8-2017 Code for Preparation of Engineering Design Documents for Automatic Control of Chemical Plant Facilities - HCBBS Forum
34. Proper installation of Emerson mass flow meters - HCBBS Forum
35. Solenoid valves with F-type coils from FESTO - HCBBS Forum
36. Can one tank opening be used for installing the level gauge in two days - HCBBS Forum
37. Principle of mass flow meter - HCBBS Forum
38. Wiring issues during pressure transmitter circuit testing - HCBBS Forum
39. How is this control carried out? - HCBBS Forum
40. Sharing some guidelines and materials needed by instrument automation personnel - HCBBS Forum
41. Two things to note when using vortex flowmeters - HCBBS Forum
42. Working process of screw air compressors (video tutorial) - HCBBS Forum
43. Help, what does the indicator PY4271 mean? - HCBBS Forum
44. What type of weir is suitable for ultrasonic open-channel flow meters? - HCBBS Forum
45. Principles and methods for selecting various flowmeters, working principles - HCBBS Forum
46. I have shown you the advantages of pneumatic ball valves - HCBBS Forum
47. Tutorial on performing signal spectrum analysis (FFT) using an oscilloscope - HCBBS Forum
48. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-07-03 - HCBBS Forum
49. Are pneumatic cut-off valve products expensive? - HCBBS Forum
50. For new projects, is it better to use a central control system or Hilscher’s system? - HCBBS Forum
51. What are the differences in application scenarios between integrated balance orifice plates and separate balance orifice plates? - HCBBS Forum
52. Can an adjustable flow meter be used in place of another one at the same pipe diameter but under different operating conditions? - HCBBS Forum
53. Yokogawa Test & Measurement Spectrometer AQ6370D - HCBBS Forum
54. 【Video】Standardized calibration of the Samson locator (visible upon reply) - HCBBS Forum
55. Issues with the threads of Rosemount differential pressure gauges - HCBBS Forum
56. EJA E series Brown protocol transmitters - HCBBS Forum
57. S7 simulation is to be installed within a virtual machine; during installation, it is indicated that “ProgramData” is not a valid short file name. How can this issue be resolved? Please help those who know how to do this - HCBBS Forum
58. Looking for information on Emerson’s DELTAV DCS system - HCBBS Forum
59. Interference factors in mass flow meter measurement and their mitigation methods - HCBBS Forum
60. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-06-17 - HCBBS Forum
61. 【Practical Tips】Quickly Disassembling the Spool of a Caged Control Valve - HCBBS Forum
62. Should a flammable or toxic gas detector be used for dichloroethane? - HCBBS Forum
63. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-09-21 - HCBBS Forum
64. Basic Knowledge of Emerson Flow Meters - HCBBS Forum
65. FPSO navigation control system and process treatment system - HCBBS Forum
66. Main features and application areas of pneumatic high-pressure ball valves - HCBBS Forum
67. What tools can be used to measure pulses and pulse width modulation - HCBBS Forum
68. I’m seeking advice from those with more experience. In the LIBRARY of the PKS C300, there is a block called DEADTIME. What is the detailed usage of this block? - HCBBS Forum
69. SIS loop independence issue - HCBBS Forum
70. New Mersonilan control valve added to Deltav AO card - HCBBS Forum
71. Is a relay needed for the DO signal of electric valves? - HCBBS Forum
72. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-06-11 - HCBBS Forum
73. Introduction to the daily use and maintenance of butterfly valves - HCBBS Forum
74. What are the fail-safe measures for the actuator of an emergency shut-off valve? - HCBBS Forum
75. 【Video】Setting of acceleration and deceleration time for inverters (visible upon reply) - HCBBS Forum
76. With these aspects of automation in place, there’s no reason not to make a profit! An excellent in-depth article! - HCBBS Forum
77. What is the maximum distance for 485 communication? - HCBBS Forum
78. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-09-20 - HCBBS Forum
79. Yokogawa VP alarm classification - HCBBS Forum
80. Online diameter measuring instruments combine control with measurement - HCBBS Forum
81. How far should the DIS system be from major hazard sources? - HCBBS Forum
82. Methods for detecting internal leakage in valves (contributions welcome) - HCBBS Forum
83. How to calculate the MOSFET switching frequency - HCBBS Forum
84. What to do if there is air leakage in the actuator of a control valve? - HCBBS Forum
85.  3D visualization monitoring system for gas stations, intelligent operation for safety management - HCBBS Forum
86. Help: Can anyone share how many different ways there are to connect pressure transducer tubes in chemical process instrumentation, and which method is the most reliable? - HCBBS Forum
87. Which is more suitable for measuring flow in gas pipelines: insert-type multi-orifice flow meters, Venturi meters, Pitot tubes, or mass flow meters? - HCBBS Forum
88. 【Video】Yokogawa CENTUM_VP training video - HCBBS Forum
89. Working principle and maintenance of Coriolis mass flow meters - HCBBS Forum
90. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question dated 2020-09-30 - HCBBS Forum
91. Process Engineering Division – Instrumentation and Automation Section – Daily Question – Question from 2020-08-03 - HCBBS Forum
92. How to use a multimeter to measure a valve position switch and a valve position transmitter that are in operation? - HCBBS Forum
93. Precautions for using steam electric valves, as well as their advantages and disadvantages - HCBBS Forum
94. 【Video】Structure, principle, and adjustment process of the pilot-operated relief valve (available upon reply) - HCBBS Forum
95. Measuring the signal from the car throttle pedal sensor using an oscilloscope and waveform analysis - HCBBS Forum
96. X-type range control - HCBBS Forum
97. Functions and applications of the electrical positioner SIPART PS2 - HCBBS Forum
98. Solenoid valve installation, maintenance, and related troubleshooting - HCBBS Forum
99. How to measure the inductance value of surface-mounted inductors - HCBBS Forum
100. Summary of on-site calibration methods for electromagnetic flowmeters - HCBBS Forum