Dwyer 475-1-FM Mark III Handheld Digital Manometer, FM, 0-20" w.c. 10 PSI 1985 The finish is usually warm

The finish is usually warm amber colored varnish

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Dwyer 475-1-FM Mark III Handheld Digital Manometer, FM, 0-20" w.c. 10 PSI 1985 The finish is usually warmFeatures Rugged aluminum case protects instrument from damage during transport use Large, easy to read LCD and simple operation FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70C Applications Monitoring natural gas pressures on boilers and other combustion equipment Field calibration of other instruments Monitoring or troubleshooting HVAC R systems Air velocity monitoring, when used with a Dwyer