Campbell Scientific HMP50 Temperature and Relative Humidity Sensor - Manual (Page 6)

HMP50 Temperature and Relative Humidity Probe
2.1 Temperature Sensor
Sensor: 1000 Ω PRT, DIN 43760B
Temperature Measurement Range: -40 °C to +60°C
Temperature Output Signal range: 0 to 1.0 VDC
Temperature Accuracy:
0
0.4
0.8
1.2
1.6
-0.4
-0.8
-1.2
-1.6
-20 -40 0
Temperature ( C) o
( C)
Error
o
20 40 60
2.2 Relative Humidity Sensor
Sensor: INTERCAP ®
Relative Humidity Measurement Range: 0 to 98% non-condensing
RH Output Signal Range: 0 to 1.0 VDC
Accuracy at 20 °C
±3% RH (0 to 90% Relative Humidity)
±5% RH (90 to 98% Relative Humidity)
Temperature Dependence of Relative Humidity Measurement:
0
0.5
1.0
1.5
-0.5
-1.0
-1.5
10 20 30 40 50 60 70 80 90 100
RH (%)
( %RH/ )
Temper
ature Dependence
60 C o
-40 C o
C
o
Typical Long Term Stability: Better than 1% RH per year
Response Time (at 20 °C, 90% response to a steep change in humidity):
15 seconds with membrane filter
2