Alnor HM680 Manometer for Hydronic Systems
Alnor HM680 Hydronic Manometer can measure and display differential, high side, and low side pressures simultaneously without the need to change hose connections or instrument valve settings. This hydronic manometer calculates brake power, heat flow, Cv (Kv) factors, and impeller sizing. Product made in USA and comes with NIST Certificate of Calibration.