Dwyer Digital Manometer In Stock Now

Velocity and Flow of Differential pressure. 0-1.0" WC

Product Applications

Field calibrationMonitoring or trouble shooting HVAC systems.

Clean room checks

Air velocity monitoring with Dwyer® Pitot tube

Natural gas appliance line pressure

Air FlowDuct

Static Pressure

- Pressure, flow, and velocity measurements
- Measures positive, negative, and differential pressure
- Operates up to 100 hours on a single 9 volt battery
- Numerous selectable English and metric units
- Stores up to 40 readings
- Menu structure detailed on the back of aluminum casing

For operating instructions, go to the following link:


Complete Kit Includes:

Series 477AV Handheld Digital Manometer
Model 166T, 36" Telescoping Stainless Steel Pitot Tube
Two No. A-303 Static Pressure Tips with Magnetic Mounting
Two 4-1/2 Ft. Lengths 3/16" I.D. Rubber Tubing
No. A-397 Step Drill for 3/16" - 1/2" Holes in 1/16" Increments
No. A-532 AV Slide Chart
9 V Alkaline Battery
Fitted Polyethylene Case