Ranges from 1" w.c. to 150 psid, ±0.5% Accuracy
Intrinsically Safe Handheld Digital Manometer measures air and natural gases. Applications include field calibration of other instruments, monitoring or troubleshooting HVAC systems.
Features
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Rugged aluminum case protects instrument from damage during transport/use
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Large, easy to read LCD and simple operation
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FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70°C
Product Applications
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Monitoring natural gas pressures on boilers and other combustion equipment
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Air velocity monitoring, when used with a Dwyer® Pitot tube and AV calculator
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Field calibration of other instruments
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Monitoring or troubleshooting HVAC systems
Specifications
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Service: Air and compatible combustible gases.
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Wetted Materials: Consult factory.
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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).
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Pressure Hysteresis: ±0.1% of Full Scale.
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Pressure Limits: See catalog page.
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Temperature Limits: 0 to 140°F (-17.8 to 60°C).
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Compensated Temperature Limits: 32 to 104°F (0 to 40°C).
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Storage Temperature Limits: -4 to 176°F (-20 to 80°C).
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Display: 0.42" (10.6 mm) 4-digit LCD.
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Resolution: See Ordering page.
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Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
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Weight: 10.8 oz. (306 g).
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Process Connections: Two barbed connections for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing. Two compression fittings for use with 1/8" (3.18 mm) I.D. x 1/4" (6.35 mm) O.D. tubing for 475-7 & 475-8 only.
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Agency Approvals: CE, FM.
