Description
Dwyer 475-2-FM Handheld Digital Manometer Overview
The Dwyer 475-2-FM is a handheld digital manometer engineered for safe, accurate differential pressure measurement in demanding HVAC, industrial, and hazardous-location environments. Rated intrinsically safe, this instrument is approved for use with air and compatible combustible gases, making it an essential tool for technicians working in classified areas where explosive atmospheres may be present.
Key Features
- Intrinsically safe design — approved for use in hazardous locations with air and compatible combustible gases
- Measurement range: 0 to 40.00″ w.c. (inches water column)
- Metric range: 0 to 9.96 kPa
- Maximum overpressure: 10 Psig
- Large 0.042″ 4-digit LCD display for easy field reading
- Portable handheld form factor for convenient on-site use
- Powered by a standard 9V battery — no external power source required
Specifications
- Model: 475-2-FM
- Brand: Dwyer Instruments
- Measurement Type: Differential Pressure (Manometer)
- Range: 0 to 40.00″ w.c. / 0 to 9.96 kPa
- Maximum Pressure: 10 Psig
- Compatible Media: Air and compatible combustible gases
- Display: 4-digit LCD, 0.042″ digit height
- Power Source: 9V battery
- Safety Rating: Intrinsically Safe
Applications
The Dwyer 475-2-FM is ideal for measuring gas pressure, static pressure, and differential pressure across filters, fans, ducts, and burner systems. Its intrinsically safe certification makes it the go-to choice for combustible gas environments, including natural gas and other compatible fuel gas applications in commercial and industrial HVAC systems.
Why Choose the Dwyer 475-2-FM?
Dwyer Instruments has been a trusted name in sensing and instrumentation for decades. The 475-2-FM combines rugged portability with precision measurement and critical safety certifications — giving HVAC and facilities technicians the confidence to work safely and efficiently in the field.
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