Vaisala HMP46 - Manual (Page 47)

HMI41 AND PROBES
M210316EN-A Operating Manual
43
11.3 HMP46 probe
11.3.1 Relative humidity
Measurement range 0...100 %RH non-condensing
Accuracy (at +20 °C); maximum achievable accuracy
when calibrated against high quality,
certified humidity standards
±
1 %RH (0...90 %RH)
±
2 %RH (90...100 %RH)
when calibrated against
salt solutions (ASTM E104-85):
±
2 %RH (0...90 %RH)
±
3 %RH (90...100 %RH)
Temperature dependence:
-40 0 40 160 80 120
2
1
0
-1
-2
-20 20 60 100 140 180
1.5
0.5
-0.5
-1.5
error %RH
T/°C
for temporary
use only
Typical long-term stability better than 1 %RH/ year
Response time (90%) at 20
°
C
in still air with sintered filter 15 s
Humidity sensor HUMICAP ® 180
11.3.2 Temperature
Measurement range (sensor head) -40...+100
°
C (temporarily +180
°
C)
Temperature sensor Pt100 IEC 751 1/3 Class B
Accuracy at +20
°
C
±
0.2
°
C
Accuracy over the whole temperature range:
°C
-40 -20 0 20 40 60 80 100 120 140 160
T/°C
0.6
0.4
0.2
-0.2
-0.4
-0.6
0
180
Temperature dependence
of electronics
0.005
°
C/
°
C