11
User Manual HTP201 Humidity and Temperature Probe with Analogue Outputs
7 Technical Data
Measurands
Relative humidity (RH)
Measuring range
0...100 %RH
Accuracy
1)
@ 24 V DC, air velocity >0.2 m/s (>39 ft/min),
incl. hysteresis, non-linearity and repeatability,
current version R
L
=250 Ω
23 °C (0…100 %RH)
0…40 °C (0…100 %RH)
-20…80 °C (0…100 %RH)
-40…-20 °C (0…100 %RH)
±2.5 %RH
±3 %RH
±4 %RH
±5 %RH
1) Traceable to international standards, administrated by NIST, PTB, BEV,...
The accuracy statement includes the uncertainty of the factory calibration with an enhancement factor k=2 (2-times standard deviation).
The accuracy was calculated in accordance with EA-4/02 and with regard to GUM (Guide to the Expression of Uncertainty in Measurement).
Temperature (T)
Measuring range
-40...+80 °C (-40...+176 °F)
Accuracy
Incl. hysteresis, non-linearity and repeatability
0.5
0.6
0.4
0.3
0.2
0.1
±
∆
T [°C]
T [°C]
Outputs
Analogue
RH 0...100 %
T -40...+60/80 °C
(see ordering guide)
Output
Output
Output
Output
0 - 1 V
(-0.1 mA < I
L
< 0.1 mA)
0 - 5 V
(-0.2 mA < I
L
< 0.2 mA)
0 - 10 V
(-1.0 mA < I
L
< 1.0 mA)
I
L
= load current
4 - 20 mA (2-wire)
R
L
≤ 500 Ω
R
L
= load resistance
T Sensor Passive
With Model M6 only (RH + T passive)
4-wire-connection, T sensor according to ordering guide
