The Dwyer 477AV series is available with pressure, flow, and velocity measurements along with a number of other convenient features. The built-in air velocity and flow calculations provide accuracy and conserve time and error associated with manual calculations.
- Range: 0 - 1.00 Inches of Water
- Maximum Pressure: 5 psig
- Accuracy: +/- 0.5% FS, 60 to 78 F; +\- 1.5% FS from 32 to 60 F and 78 to 104 F