Description
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Dwyer 400-23-GAGE
- Air velocity meter, 0-23″
- Red figures display velocity in FPM
- Black figures display air pressure in inch w.c
- No conversion tables are needed for air at standard conditions
Air Velocity Meter, 0-23″ w.c.
The Series 400 Air Velocity Meter offers the convenience of a dual-purpose instrument with high accuracy and easy-to-read scales. It can be used to balance air conditioning systems, measure the pressure drop across filters, and test fan and blower discharge and inlet pressures. Series 400 kits include a manometer, Pitot tube, necessary tubing and connectors, red gauge fluid, and a carrying case.
Measure Both Pressure and Air Velocity
Read the red figures directly in feet per minute of velocity – from 400 to 10,000 fpm No conversion tables needed for air at standard conditions. Read the black figures in inches of water column air pressure – from 0 to 10″ w.c.
Our most popular precision air velocity instrument, the No. 400 is used to balance air conditioning systems, measure the pressure drop across filters, and test fan and blower discharge and inlet pressures, as well as air velocity in ducts. It offers the convenience of a dual-purpose instrument – plus high accuracy on easy-to-read scales. The Series 400 includes “leveling” adjustment and glass bubble level, which makes it a versatile, all-around manometer for the air conditioning and balancing contractor or industrial plant.
Environmental Testers / Physical Property/Anemometer / Air Flow Template | |
|---|---|
| Air Velocity Max | 19200 ft/min |
| Air Velocity Min | 400 ft/min |
Product General Attributes | |
| Unique Features | • 0-23″ w.c. • 400-19200 FPM velocity |
| Warranty | 1 YEARS |
| Warranty Details | The Seller warrants all Dwyer Instruments and equipment to be free from defects in workmanship or material under normal use and service for a period of one year from date of shipment. Liability under this warranty is limited to repair or replacement EXW Ex Works Dwyer Instruments, Inc. of any parts which prove to be defective within that time or repayment of the purchase price at the Seller’s option provided the instruments have been returned, transportation prepaid, within one year from date of purchase. All technical advice, recommendations and services are based on technical data and information which the Seller believes to be reliable and are intended for use by persons having skill and knowledge of the business, at their own discretion. In no case is Seller liable beyond replacement of equipment EXW Ex Works Dwyer Instruments, Inc. or the full purchase price. This warranty does not apply if the maximum ratings label is removed or if the instrument or equipment is abused/altered. |
| Country of Origin | United States |




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