Dwyer Series 477-0-FM Handheld Digital Manometer 477-3-FM0-200.00 in W.C 30 PSI 1993 Internal antenna communicates with up

Internal antenna communicates with up to 12 GPS satellites

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Dwyer Series 477-0-FM Handheld Digital Manometer 477-3-FM0-200.00 in W.C 30 PSI 1993 Internal antenna communicates with upSeries 477 Handheld Digital Manometers are packed with features you need to make low pressure measurement and recording faster, easier and more accurate than ever. First, you can instantly select from up to nine of the most widely used pressure units without having to waste time and risk mistakes with tedious conversions. Next, a non volatile memory function enables storage of up to 20 readings perfect for HVAC technicians making Pitot tube traverses