Dwyer® 477AV Handheld Digital Manometer, 477AV-3, 0-200\ wc, Air Velocity/Flow Modes
- Pressure Limits: 30 psig. Temperature Limits: 0 to 140°F (-17.8 to 60°C)..
- Compensated Temp Limits: 32 to 104°F (0 to 40°C).
- Storage Temp Limits: -4 to 176°F (-20 to 80°C)..
- Power Requirements: 9 V Alkaline battery, installed non-functional, user replaceable..