Specifications:
The Dwyer Mark II Model 25 is a compact, molded plastic inclined-vertical manometer that measures differential pressure and air velocity from 0 to 3 inches of water column (0-3” w.c.).
Key Specifications
- Range: 0–3 ” w.c. (higher range with easy-to-read low-reading increments)
- Accuracy: ± 3% full scale
- Housing Material: Molded white styrene-acrylonitrile (virtually indestructible)
- Operating Fluid: Red gauge fluid (specific gravity 0.826)
- Temperature Limit: 140°F (60°C)
- Pressure Limit: 10 psi (70 kPa