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English Translations » 【仪表自控交流圈】 » What should be kept in mind when using a multimeter to measu

What should be kept in mind when using a multimeter to measure the valve position switch online?

2020-08-26View Original

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For normal measurements, it’s sufficient to take readings directly after the valve position switch is powered off. But how should one carry out online measurements of the valve position switch? Are there any things to keep in mind?
Reply #22020-12-06
The voltage of the signal line can be measured online
Reply #32020-12-07
Measure voltage. What form is used to confirm the valve’s on/off status? The NUMER signal: high voltage level = 4MV, low voltage level = 0.8MV. 1: There is no voltage difference in the switch signal; 0: There is a voltage difference.

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Translated at 2026-07-21 02:23:37

Original: https://bbs.hcbbs.com/thread-3075658-1-1.html

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