The Handheld Test Instruments are versatile and
compact units that quickly and easily measure a variety of air quality standards
in imperial or metric units. Model 471B-1 is provided with the Dwyer AP1 thermoanemometer probe and is able to measure air velocity or volumetric air flow, as well
as air temperature. Model 473B-1 is provided with Dwyer VP1 100 mm vane thermoanemometer probe and is able to measure air velocity or volumetric air flow, as well
as air temperature and humidity. Model 485B-1 is provided with Dwyer RP1 thermohygrometer probe and is able to measure relative humidity and air temperature
Features:- Universal base handheld compatible with Dwyer AP1 thermo-anemometer, RP1 thermo-hygrometer, and VP1 100 mm thermoanemometer wired probes (sold separately)
- Visible in any condition due to high contrast and backlit LCD display
- Able to store up to 99 readings for later evaluation
- Easy to transport when paired with the rugged aluminum case or protective soft case