Measurement performance 1)

Relative humidity 

Measurement range 0 … 100 %RH

Accuracy 2) 3)

At 0 … +40 °C (+32 … +104 °F) ±1.5 %RH (0 … 90 %RH)

±2.5 %RH (90 … 100 %RH)

At −40 … 0 °C and +40 … +80 °C

(−40 … +32 °F and +104 … +176 °F)

±3.0 %RH (0 … 90 %RH)

±4.0 %RH (90 … 100 %RH)

Factory calibration uncertainty at

+20 °C (+68 °F)

±1.1 %RH (0 … 90 %RH)

±1.8 %RH (90 … 100 %RH)

Humidity sensor types HUMICAPâ 180R

HUMICAPâ 180V

Stability ±2 %RH over 2 years

Stability in typical HVAC applications ±0.5 %RH per year

Temperature

Measurement range −40 … +80 °C (−40 … +176 °F)

Accuracy over temperature range:

At +15 … +25 °C (+59 … +77 °F) ±0.1 °C (±0.18 °F)

At 0 … +15 °C and +25 … +40 °C

(+32 … +59 °F and +77 … +104 °F)

±0.15 °C (±0.27 °F)

At −40 … +0 °C and +40 … +80 °C

(−40 … +32 °F and +104 … +176 °F)

±0.4 °C (±0.72 °F)

Temperature sensor Pt1000 RTD Class F0.1 IEC 60751

Other output parameters (optional)

Dew point/frost point, wet bulb temperature, enthalpy, absolute humidity,

mixing ratio, vapor pressure, saturation vapor pressure

1) RH specifications excluding TMT120 and TMT130, which are T-only models.

2) Including non-linearity, hysteresis, and repeatability.

3) With HUMICAPâ 180V sensor, accuracy is specified only in operating temperature −20 ... +80 °C

(−4 ... +176 °F).