Home > Dwyer Digital Manometer w/Air Velocity Kit, 0 to 40"H2O
Dwyer Instruments

Dwyer Digital Manometer w/Air Velocity Kit, 0 to 40"H2O

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Product code: 475-2-FM

Backorder Now, once ordered your item will dispatch before the 31st of May 2025, call 1300 737 871 (NZ 0800 737 871 to confirm).

The 475-2-FM-AV digital manometer provides positive, negative, and differential pressure measurements, and is used to perform field calibration, monitoring or troubleshooting HVAC systems, performing clean room inspections, air velocity monitoring, and natural gas appliance-line testing.

-FM-approved intrinsically safe for Class 1, Div. 1, Group A, B, C, D, T4 hazardous locations.

-Compensated for position sensitivity through the use of a unique patented dual sensor system.

-Provides 100 hours of operation with a standard 9V battery.

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$639.60 AUD + GST
 $703.56 AUD Inc. GST
The Series 475 Mark III is housed in a durable extruded aluminum case with its solid state circuitry mounted on a tough fiberglass epoxy circuit board. To meet the most demanding applications and to provide stability of instrument reading, the 1 in w.c. range is compensated for position sensitivity through the use of a unique patented dual sensor system.
A standard 9 V battery provides up to 100 hours of operation. Dual push pads on the front panel control on-off, auto zero, and pressure unit selection. No set-up or leveling.
The large 0.42 inch LCD display is easy to read, minimizing data collection errors. Units include a low battery indicator. The pressure sensor used is a highly stable silicon piezoresistive device. Standard connections are dual sized for 1/8 inch or 3/16 inch ID vinyl or rubber tubing.
Features:
- Measures Positive, Negative and Differential Pressures
- Rugged, Extruded Aluminum Case
- Lightweight, Fast and Easy to Use
- Selectable English/Metric Units
- Maximum pressure 10 psig

Specifications

- Range: 0 to 40.00 in w.c. (0 to 9.96 kPa)
- Service: Air and compatible gases.
- Wetted Materials: Consult factory.
- Accuracy: +/- 0.5% FS, 15.6 to 25.6 C; 1.5% FS from 0 to 15.6 C and 25.6 to 40 C
- Pressure Hysteresis: +/- 0.1% of FS.
- Pressure Limits: See chart.
- Temperature Limits: -17.8 to 60 C
- Compensated Temperature Limits: 0 to 40 C
- Storage Temperature Limits: -20 to 80 C
- Display: 4-digit LCD (.425 H x .234 W digits)
- Power Requirements: 9 volt alkaline battery
- Weight: 306 g
- Process Connections: Two barbed connections for use with 1/8 inch or 3/16 inch I.D. tubing. Two compression fittings for use with 1/8 inch I.D. x 1/4 inch O.D.
tubing (for 100 psi or higher pressure ranges)
- Agency Approvals: CE, FM approved to CLASS

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