Description
High AccuracyTest air pressure ±13.79 kPa / ±2.000Psi with ±0.3%FS high accuracy. ±0.25%FS repeatability. 11 gas measurement units optional, including mmHg, inHg, ftHO, cmHO, KPa, Mbar, Bar, Psi, Kgcm², inHO, and Ozin². Over-range indication available.
Dual Port DesignEquipped with two tube connector(3.18mm diameter), digital manometer 189A is capable to measure static pressure(positive/negative) and differential gas pressure levels accurately. An essential tool to obtain accurate pressure readings and diagnose issues in HVAC heating, ventilation, and air conditioning systems.
Data Record & Zero-outPress”REC” button to record and review max / min / average air pressure data; Short-press “HOLD button to freeze measurement data and Long-press 5 seconds to clear out remaining data to ensure measure accuracy.
Backlit LCDLarge backlit LCD screen to display gas pressure value clearly even in low-light conditions. Automatic power-off after 25 mins no-operation to save battery life. Protective cap and 134g handheld design makes this dual port manometer gauge more practical in testing air pressure for water column, gas valve and furnace etc.
Accessories & WarrantyBTMETER manometro air pressure differential meter 189A comes with 4pcs flexible tube, 1pcs 1/8 thread adapter, portable case and 180 days quality warranty.
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