This square indicator can directly visually check the pressure at the site 

and is operated using power supplied to the pressure transistor without a separate power supply.

However, it is applicable only when the output of the pressure transmitter is 4...20 mA, 

and the electrical plug used is only applied to 4-pin DIN 43650 products.

The signal transmission accuracy of this equipmAent is less 0.2%.

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