English — Forum #350 (Page 10/163)

1. Looking for an online instrument to measure alcohol content - HCBBS Forum
2. 【Y2025】Differences between 26G and 80G radar level gauges - HCBBS Forum
3. Why are buttons such as the light switches and fan controls in a room placed on the wall outside the room? - HCBBS Forum
4. Near-end maintenance – “zero worries”! BlueBee Cloud Screen makes operations more convenient​ - HCBBS Forum
5. 【2025.1.1】5. Does the wiring steel pipe of the radar level gauge need to be electrically connected to the tank? - HCBBS Forum
6. GB/T 15969.2-2024 \"Programmable controllers – Part 2\" will come into effect on June 1, 2025 - HCBBS Forum
7. Selection of material level measurement devices for closed-reactor systems using limestone and hydrochloric acid - HCBBS Forum
8. 【2025 Knowledge Accumulation】2. Temperature measurement issues - HCBBS Forum
9. Dinghua Radar Instrument Training School: Precautions for using the guide wave tube in radar level gauges - HCBBS Forum
10. Position and size of the temperature and pressure ports on horizontal liquefied petroleum gas storage tanks - HCBBS Forum
11. Instrument issues, process interface problems – seeking help - HCBBS Forum
12. Dinghua Radar Instrument Training School: What to do if a radar level gauge does not give accurate readings of liquid levels? - HCBBS Forum
13. 【2025 Key Difference】The key difference between \"sequential start\" and \"interlocked start\" of fire pump systems - HCBBS Forum
14. 【2025 Control Systems】PLC Principles and Applications - HCBBS Forum
15. Is it better for the desalination water pump in the chemical desalination system to be controlled by the chemical water treatment PLC station or by the plant-wide DCS? - HCBBS Forum
16. Throttling device issues - HCBBS Forum
17. Why are these instrument junction boxes placed up there? - HCBBS Forum
18. Seeking advice on the isolation tank for the negative pressure chamber of a differential pressure level gauge - HCBBS Forum
19. Flow meter selection - HCBBS Forum
20. 【2026 Temperature and Pressure Compensation】How to achieve effective temperature and pressure compensation based on the properties of liquids, gases, and vapors - HCBBS Forum
21. The little secrets of the 4-20 mA current loop - HCBBS Forum
22. 【2025 Measurement & Control Instruments】Common brands of field communicators - HCBBS Forum
23. Which brand of vortex flowmeter is considered to be of better quality? - HCBBS Forum
24. Control valve calculation software- - HCBBS Forum
25. I have a question about DCS logic and would like to ask an expert - HCBBS Forum
26. PLC - HCBBS Forum
27. 【2025 Instrumentation Measurement】Application of External Ultrasonic Level Gauges in Upgrading Tank Level Measurement - HCBBS Forum
28. 【Haichuan Chemical Construction Technology】Installation requirements for vortex flowmeters - HCBBS Forum
29. Instrument control chart - HCBBS Forum
30. Manual valves for locking and unlocking in the process flow diagram - HCBBS Forum
31. 【2025 Share】Common Issues in HAZOP Analysis - 5/15 - HCBBS Forum
32. Explosion protection rating of the junction box - HCBBS Forum
33. Distance between the on-site cabinet room and the power distribution room - HCBBS Forum
34. DCS video tutorial - HCBBS Forum
35. [Useful Tips Sharing] Instruments should be “prevented from failing” rather than “repaired”; A compiled handbook on preventive maintenance for instrumentation and control - HCBBS Forum
36. -Selection of instrument materials for 35℃ frozen saline - HCBBS Forum
37. Discussion on the Yokogawa DCS system - HCBBS Forum
38. Regarding the issue of using Emerson mass flow meters to measure gases instead of liquids. - HCBBS Forum
39. Why must the industrial pipeline instrument interfaces under high temperature, high pressure, and vibration be at least DN20? - HCBBS Forum
40. Power supply issue for the CPU module of DCS - HCBBS Forum
41. 【2025 Practical Application】Creating Batch I/O Channel Test Points in Honeywell PKS System - HCBBS Forum
42. 【Industry Updates】CNOOC Shell’s Phase 3 ethylene project officially launched - HCBBS Forum
43. 【Weekend Share-16】Does having a safety certification mean it’s a SIS? - HCBBS Forum
44. 【Ten Years of Rapid Development in Chemical Equipment】The 100% domestically produced DCS system for Sinopec’s POE plants was put into use at the Tianjin Nangang Ethylene Project between 2025 and 2026 - HCBBS Forum
45. The constant-temperature nucleic acid molecular hybridizer is simple and reliable to operate, with stable rotation speed - HCBBS Forum
46. Methods and instruments for measuring the online solid content of organic molecules in wood - HCBBS Forum
47. What is three-position control of instruments? - HCBBS Forum
48. Questions regarding the installation of pressure regulating valves - HCBBS Forum
49. 【Essentials for Industrial Automation in 2025】Essential Handbook for Industrial Automation: Inverters + Servos + Touch Screens - HCBBS Forum
50. 【Ten Years of Rapid Development in Chemical Equipment】2647-2025: Zhejiang Zhongkong’s world’s first large-scale temporal model for the process industry is now available - HCBBS Forum
51. Problem of level fluctuations in double-flange level gauges in summer! - HCBBS Forum
52. Dinghua Radar Instrument Training School: What are the functions of the three basic types of radar level gauges? - HCBBS Forum
53. DCS power supply issue - HCBBS Forum
54. Does the Deltav controller need to download data after uploading it? - HCBBS Forum
55. Applications of combustion and laser analyzers - HCBBS Forum
56. How to determine whether a cut-off valve is open or closed - HCBBS Forum
57. The diameter of the flow meter pipe is different from that of the main pipeline. Can they be directly connected using a reducer? - HCBBS Forum
58. Dinghua Radar Instrument Training School: Common faults of radar level gauges and their solutions - HCBBS Forum
59. May I ask which manufacturers produce high-quality online dew point detectors? - HCBBS Forum
60. 【Y2025】What is the criterion for determining whether a combustible gas is lighter or heavier than air? - HCBBS Forum
61. Ask about the difference between instrument circuit numbers and instrument tag numbers - HCBBS Forum
62. 【2025 Knowledge Accumulation】6. PID Parameter Tuning Issues - HCBBS Forum
63. 【2025 Brand Review】Popular Brands of Solenoid Valves - HCBBS Forum
64. What is the sealing type of a triple-eccentric butterfly valve? - HCBBS Forum
65. 【Typical Issues in Flow Meter Installation 013】Ultrasonic flow meters should be kept at a sufficient distance from interference sources such as valves, pumps, high-voltage electricity, and frequency converters - HCBBS Forum
66. Practical Guide: Operating Tips for Hart Multivariable Converters - HCBBS Forum
67. The pressure tap is prone to freezing - HCBBS Forum
68. Understand Siemens OPC communication in 1 minute – great material from Siemens itself! - HCBBS Forum
69. How can I use a multimeter to measure a NAMUR limit switch? - HCBBS Forum
70. Power requirements for wastewater treatment control systems - HCBBS Forum
71. Selection of instrument cables - HCBBS Forum
72. Dinghua Radar Knowledge Lecture: What are the operational considerations for the waveguide of DHE radar level gauges? - HCBBS Forum
73. I’d like to share something with everyone - HCBBS Forum
74. 【2025 Diagram Analysis】Control Valve Pneumatic Circuit Diagram (3/4) - HCBBS Forum
75. 【2025 Diagram Analysis】Installation location and orientation of control valves - HCBBS Forum
76. E+H mass flow meter’s - HCBBS Forum
77. 【Haichuan Intelligence】Dongming Petrochemical’s “All-Response Thermal Power Cloud ADMC Intelligent Control Project” has become a model in the thermal power industry for using intelligence to overcome energy efficiency challenges - HCBBS Forum
78. How to use the E+H FMU90 instrument embedded board correctly - HCBBS Forum
79. The difference between interlocking and chaining - HCBBS Forum
80. What impacts will a failure of the instrument UPS have? - HCBBS Forum
81. What is the stability of K-type thermocouples? How many years can they maintain their accuracy at 800 degrees? - HCBBS Forum
82. Are the measurement ranges of rotameters for measuring gases always in m3/h? - HCBBS Forum
83. Location for setting thermocouple compensation temperature - HCBBS Forum
84. What are the specified minimum safe clearances between communication cables and power cables? - HCBBS Forum
85. Product features of high-frequency radar level gauges - HCBBS Forum
86. 【2025 Safety Systems】“Proof Test” for SIS (Safety Instrumented System) - HCBBS Forum
87. 【2025: Understand at a Glance】Understand the differences between PFD and P&ID diagrams in one picture - HCBBS Forum
88. Requirements for the control room floor - HCBBS Forum
89. Dinghua Radar Instrument Training School: Measurement of radar level gauges in waveguides - HCBBS Forum
90. What kind of gas analyzer is used for analyzing the components of syngas in coal chemical industry nowadays, and what is the nature of the output signal? - HCBBS Forum
91. Learning and using Allen-Bradley DCS software MACS6.5.2! - HCBBS Forum
92. Self-control design and installation drawings - HCBBS Forum
93. What is the allowable range for the zero offset value of flammable and toxic gas detectors? - HCBBS Forum
94. Why does the wealth obtained from downloading attachments shrink so significantly? - HCBBS Forum
95. I’m seeking advice from those with more experience regarding multimeters, signal generators, and clamp ammeters - HCBBS Forum
96. The issue of opening rate in perforated plates - HCBBS Forum
97. Questions about Modbus communication - HCBBS Forum
98. I would like to ask experts about the periodic failures of E+H double-flange level gauges - HCBBS Forum
99. Help, what is the issue with Emerson mass flow meters? - HCBBS Forum
100. Operation of the OTS digital twin project for Quanzhou Petrochemical’s acrylonitrile plant - HCBBS Forum