I plan to purchase four isolation gates; what brands offer good value for money?
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On-site: 4-20ma input; 4-20ma output; dual isolation for power and signal; two-wire system
I recommend P+F products; they are expensive, but their quality is absolutely outstanding!
It’s too expensive! The **machine** in the isolation barrier
The safety barriers made by Shanghai Chenzhu are good, and those from Zhejiang University Zhongkong are also fine.
The P+F and MLT types that are used more frequently these days
P+F is the one with good quality and high price; we have also used Chenzhu before, and it worked well too
If you need safety barriers and isolation barriers for PR, please feel free to contact me. Thank you. The imported ones are P+F, MTL, and PR; those from Turck are the rest. Domestic products are also available and can be used, but their quality is still a bit inferior
I recommend P+F products; MTL ones are also good, but their power supply method doesn’t seem as good as that of P+F’s rail-mounted versions. I’ve used domestic products with central control systems, those built into Zhejiang University’s systems, and I haven’t encountered any problems with them
The isolation gates from MTL in the UK are really good