Description
Dwyer 1223-36-D U-Tube Manometer Overview
The Dwyer 1223-36-D is a reliable, oil-filled U-tube manometer engineered for precise differential and static pressure measurement in HVAC, combustion, and industrial applications. With a symmetric 18-0-18″ w.c. range, this instrument allows technicians to measure both positive and negative pressures from a single zero-center scale — making it ideal for duct static pressure testing, burner combustion analysis, and gas appliance commissioning.
Key Features
- Oil-filled U-tube design for accurate, stable pressure readings
- Symmetric measurement range: 18-0-18″ water column (w.c.)
- Zero-center scale allows simultaneous positive and negative pressure measurement
- Durable transparent tube construction for clear fluid level visibility
- Compact and portable — ideal for field service and commissioning work
- Compatible with standard pressure fittings and tubing connections
- No batteries or power source required — purely mechanical operation
Typical Applications
- HVAC duct static pressure measurement
- Gas appliance and burner pressure testing
- Combustion air and flue draft measurement
- Filter differential pressure monitoring
- Low-pressure industrial process measurement
Why Choose the Dwyer 1223-36-D
Dwyer Instruments has been a trusted name in pressure and flow measurement for decades. The 1223-36-D U-tube manometer delivers straightforward, dependable readings without the complexity of electronic instrumentation. Its oil-fill medium provides greater accuracy at low pressures compared to water-filled alternatives, and the zero-center scale makes it exceptionally versatile for differential pressure diagnostics in the field.
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