4 gas meter calibration gas for sale, brand-new and used.

Up for sale is a pre-owned "Dwyer Series 475 Mark III Handheld Digital Manometer, 0-1.000"WC Range, 5 psig Maximum Pressure" This hand held manometer was acquired and previously owned at our store and is in good working condition. cosmetically looks good with minimum sighs of use. Please see pictures for item detail

Dwyer Series 476A Single Pressure Digital Manometer, -20.0 to +20.0 inH2O Measuring Range, + or - 1.5% Accuracy F.S., Battery Operated Prod