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Dwyer 475-1-FM Mark III Handheld Digital Manometer tests positive, negative, or differential pressures of air and natural gases, ranging from 0 to 20.00 “w.c. (4,982 kPa). Double push pads on the front panel switch on / off, auto-zero, and pressure sensor selection, enabling easy function with no set-up required. When used with the Dwyer Pitot tube, the Dwyer 4751FM can also be used.
Features of Dwyer 475-1-FM Mark III Handheld Digital Manometer
• Rugged aluminum case protects the 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 = 70°C.
|Model||475-1-FM Mark III|
|Measuring Parameters||differential pressures of air and natural gases|
|Range||1 in w.c. (0.249 kPa) to 150 psid (10.34 bar)|
|Accuracy||±0.5% Full Scale, 60 to 78°F (15.6 to 25.6°C); ±1.5% Full Scale from 32 to 60°F and 78 to 104°F (0 to 15.6°C and 25.6 to 40°C).|
|Pressure Hysteresis||±0.1% of Full Scale.|
|Display||0.42" (10.6 mm) 4-digit LCD.|
|Operating Temperature||0 to 140°F (-17.8 to 60°C).|
|Storage Temperature||-4 to 176°F (-20 to 80°C)|
|Compensated Temperature Limits||32 to 104°F (0 to 40°C).|
|Agency Approvals||CE, FM.|
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