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| Item | Handheld Digital Manometer |
|---|---|
| Accuracy | -0.5% to +0.5% |
| Auto Power Off | Yes |
| Batteries Required | Yes |
| Battery Type | 9V |
| Connection Size | 1/8", 3/16" |
| Connection Type | Hose Barb |
| Connections | 1/8" Hose Barb, 3/16" Hose Barb |
| Digital Display Features | 4 Digit LED |
| Display Digits | 4 Digits |
| Display Type | LCD |
| For Tubing Diameter | 1/8", 3/16" |
| For Use With | Air |
| Housing Height | 5 7/8" |
| Housing Length | 2.812" |
| Housing Material | Aluminum |
| Intrinsically Safe | Yes |
| Intrinsically Safe Safety Rating | Class I DIV. 2 Group A, B, C, D |
| Length | 0.906" |
| Low-battery Indicator | Yes |
| Manometer Type | Intrinsically Safe Manometer Unit |
| Manufacturers Warranty Length | 1 yr. |
| Max. Operating Pressure | 10 psi |
| Max. Pressure | 10 psig |
| Maximum Operating Temperature | 140°F |
| Maximum Pressure | 20 in. wc |
|---|---|
| Minimum Operating Temperature | 0°F |
| Minimum Pressure | 0 in. wc |
| Nist Traceable Certificate | No |
| Number Of Connections | 2 |
| Number Of Pressures Measured | 1, 2 |
| Operating Pressure Range | 0 in. wc to 20 in. wc |
| Operating Range | 0 kPa to 5 kPa |
| Operating Temp. Range | 0°F to +140°F |
| Overall Height | 6 1/2" |
| Overall Length | 0.906" |
| Overall Width | 2.812" |
| Pressure Accuracy | -0.5% to +0.5% |
| Pressure Range | 0 in. wc to 20 in. wc |
| Pressure Resolution | 0.01 in. wc |
| Pressure Type | Differential, Negative, Positive |
| Pressure Units | In Wc |
| Process Connection Size | 1/8", 3/16" |
| Process Connection Type | Hose Barb |
| Resolution | 0.01 in. wc |
| Series | 475 Series |
| Storage Temperature Range | -4°F to +176°F |
| Type | Intrinsically Safe Manometer Unit |
| Zero Button | Yes |
| standard | CLASS I, DIV 1, GROUP A, B, C, D, T4 |
Dwyer 475-1-FM handheld manometer is suitable for air & gas differential pressure measurement in boilers, combustion equipment and HVAC system operations. It measures positive, negative or differential pressures of air and natural gases.
| Height (cm) | 3.3 |
|---|---|
| Length (cm) | 25.4 |
| Width (cm) | 12.7 |
| HS Code | 9026208000 |
|---|---|
| Country Of Origin | US |
| Weight (kg) | 0.3285 |
The most common fluids are alcohol, water and mercury.
Because of its low density, alcohol allows for a longer column than other fluids in manometers. It also gives the inclined tube a proper meniscus.
Manometers are used to measure pressure which is defined as the force produced by a gas or liquid per unit of surface area due to the effects of gravity on the weight of that gas or liquid.
| Style | Model | Pressure Range | Max. Pressure | Resolution | Accuracy | Connection Size | Display Type | Operating Temp. Range | Battery Type | Price (ex. VAT) | Cart |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 475-2-FM | 0 in. wc to 40 in. wc | 10 psig | 0.01 in. wc | -0.5% to +0.5% | 1/8", 3/16" | LCD | 0°F to +140°F | 9V | $440.01 | |
| A | 475-3-FM | 0 in. wc to 200 in. wc | 30 psig | 0.1 in. wc | -0.5% to +0.5% | 1/8", 3/16" | LCD | 0°F to +140°F | 9V | $451.34 |
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