Specification Min. Typ. Max. Unit
Relative Humidity Measurement range 0   100 %RH
Internal resolution   ±0.1   %RH
Accuracy (overall error)   ±1.8* ±4.0 %RH
Repeatability   0.1   %RH
Long term stability   <0.5   %RH/Year
Temperature Measurement range -30 (-22)   80 ( 176) °C (°F)
Internal resolution   0.1 (0.1)   °C (°F)
Accuracy (overall error)   ±0.2 (±0.4) ±0.8 (±1.6) °C (°F)
Repeatability   ±0.1 (±0.2)   °C (°F)
Dew Point Accuracy (overall error)   ±1.1 (±2.0)**   °C (°F)
Logging rate Every 10 seconds   Every 1 hour Time
Operating Temperature Range*** 30 (-22)   80 ( 176) °C (°F)
2 x ½AA 3.6V Lithium Battery Life   4 †   Months