Description
Dwyer 475-3-FM Handheld Digital Manometer Overview
The Dwyer 475-3-FM is a rugged, intrinsically safe handheld digital manometer engineered for accurate pressure measurement in demanding HVAC, combustion, and industrial environments. Rated for use with air and compatible combustible gases, this instrument is purpose-built for technicians who work in potentially hazardous locations where safety-rated equipment is required.
Key Features
- Intrinsically safe design — safe for use in hazardous locations with combustible gases
- Measurement range: 0 to 200.00 inches water column (” w.c.)
- Metric range: 0 to 49.82 kPa
- Maximum allowable pressure: 30 Psig
- Compatible media: air and compatible combustible gases
- Large 4-digit LCD display with 0.042″ digit height for clear readability
- Powered by a standard 9V battery for convenient field use
- Compact handheld form factor for portability on the job
Specifications
- SKU: 475-3-FM
- Brand: Dwyer
- Measurement Range: 0 to 200.00″ w.c.
- Metric Range: 0 to 49.82 kPa
- Maximum Pressure: 30 Psig
- Display: 4-digit LCD, 0.042″ digit height
- Power Source: 9V battery
- Compatible Media: Air and compatible combustible gases
- Safety Rating: Intrinsically Safe
Applications
- HVAC system commissioning and troubleshooting
- Combustion air pressure testing
- Gas appliance pressure verification
- Duct static pressure measurement
- Hazardous location pressure diagnostics
Why Choose the Dwyer 475-3-FM?
When accuracy and safety both matter, the Dwyer 475-3-FM delivers. Its intrinsically safe certification makes it the right choice for environments where combustible gases may be present, while its wide 0–200″ w.c. range and dual-unit readout (imperial and metric) provide the versatility technicians need. The bright 4-digit LCD ensures readings are easy to capture in the field, and the standard 9V battery keeps operating costs low.
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