The analog manometer, commonly referred to as a Magnehelic ®, is a test instrument that has been around the HVAC industry for decades. Among many technicians in the field, it is still the test ...
Model 476-0 digital manometer measures positive and negative pressure from 20 to 20-in. w.c. with ±1.5% full-scale accuracy. Suitable for field or laboratory use, the manometer sets gas-supply ...
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