The DAFM3B Anemometer/Psychrometer meter is designed with 6 HVAC/R must have parameters in 1 instrument. These are included in a portable battery operated instrument for measuring humidity， air temperature， dew point and calculating wet bulb， air velocity and air volume. The sensor is built into the remote fan and is specially protected by a twist cap. While in operation， open the cap for accurate temperature and humidity readings.
Up to 1-hour accumulative average
English/metric scales
Auto power off selectable
Low battery indication
Professional remote vane
Protective twist cap for temperature/humidity sensor
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