Instrument with standard fittings, (2) 1.8 meter hoses, (2) ITT Bell and Gosset read-out probes, (2) P|T gauge adapter probes, (4) AA NiMH batteries, internal battery charger, NIST-traceable calibration certificate, hard carrying case and 2-year limited PRODUCT DETAILS The Alnor® Hydronic Manometer HM685 is used to balance hydronic heating and cooling systems and to check pump performance. The HM685 can measure and display differential, high side, and low side pressures simultaneously without the need to change hose connections or instrument valve settings. FEATURES AND BENEFITS Large backlit display for use in low light areas Operates on four alkaline or NiMH rechargeable batteries Reads in. H2O, ft. H2O, psi, in. Hg, mm H2O, kPa, mm Hg, or bar Measures from 0–300 psi (0–2068 kPa) Performs on-board universal flow and btu/hr calculations Displays volumetric flow when a Cv (Kv) factor is programmed Allows up to 100 Cv (Kv) factors to be entered Calculates brake power, heat flow, Cv (Kv) factors, and impeller sizing Stores up to 4,000 data points for recall or downloading via USB interface Meter weight with batteries is 2.65 lbs (1.20 kg)
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