


Dwyer Instruments M400-250-GAGE | Metric air velocity meter | 0-250 mm w.c. | 2-64 mps | Gage only.
The Series 400 Air Velocity Meter is a convenient dual-purpose instrument featuring easy-to-read scales and good accuracy. It can be used to evaluate the entrance and discharge pressures of fans and blowers, balance air conditioning systems, and measure the pressure drop across filters. A manometer, Pitot tube, required tubing and connectors, red gage fluid, and a carrying box are all included in Series 400 kits.

Free UAE shipping available
- Specifications
- Features
- Downloads
Brand | Dwyer |
Measuring speed | 2-64 mps |
Range | 0-250 mm w.c. |
Series | Family: Dwyer Instruments Miscellaneous |
Type | Manometer |
- Black figures show air pressure in inches W.C. while red figures show velocity in feet per minute.
- For air under normal circumstances, conversion charts are not required.
- Pitot tubes and a carrying bag are included.
Related Products

Dwyer Instruments 160E-05 | Ellipsoidal tip Pitot tube | 1.22 meter insertion length

Dwyer Instruments 160E-05 | Ellipsoidal tip Pitot tube | 1.22 meter insertion length

Dwyer Instruments HTDL-30 | High temperature data logger with 24" flexible probe

Dwyer Instruments HTDL-30 | High temperature data logger with 24" flexible probe

Dwyer Instruments HTDL-20 | High temperature data logger with 2" rigid probe

Dwyer Instruments HTDL-20 | High temperature data logger with 2" rigid probe

Dwyer Instruments WTDL-20 | Temperature data logger with humidity output

Dwyer Instruments WTDL-20 | Temperature data logger with humidity output

Dwyer Instruments WTDL-30 | Temperature data logger with probe attachment

Dwyer Instruments WTDL-30 | Temperature data logger with probe attachment

Dwyer Instruments 472A-1 | Digital input thermocouple thermometer

Dwyer Instruments 472A-1 | Digital input thermocouple thermometer

Dwyer Instruments DL-8T | 8-channel temperature logger

Dwyer Instruments DL-8T | 8-channel temperature logger

Dwyer Instruments UDL-114 | Universal data logger with internal temperature and RH sensors | Four universal inputs | LCD display

Dwyer Instruments UDL-114 | Universal data logger with internal temperature and RH sensors | Four universal inputs | LCD display