Vaisala HM45 User Manual

57
Humidity measurement response time
HM41, HM45
(90%) with plastic grid filter
17 s
HM42
(90 %) with membrane filter and
steel grid
26 s
HM46
(90 %) with brass sintered filter
40 s
Stability
±2 %RH over 2 years
Humidity sensor
HM41, HM45, HM46
HUMICAP® 180R
HM42
HUMICAP® 100R-Mini
Temperature
Measurement range
HM41
-10 ... +60 °C (+14 ...+140 °F)
HM42
-40 ... +100 °C (-40 ... +212 °F)
HM45
-40 ... +60 °C (-40 ... +140 °F)
HM46
-40 ... +100 °C (-40 ... +212 °F),
short-term up to +180 °C
(+356 °F)
Accuracy over temperature range
at 0 ... +40 °C (+32 ... +104°F)
±0.2 °C (0.36 °F)
at -40 ... 0 °C and +40 ... +100 °C
(-40 ... +32 °F and +104 ... +212 °F)
±0.4 °C (0.72 °F)
Temperature Sensor
HM41, HM45, HM46
Pt1000 RTD Class F0.1
IEC 60751
HM42
Pt1000 RTD Class F0.3
IEC 60751

Vaisala HM45 Specifications

General

Brand	Vaisala
Model	HM45
Category	Measuring Instruments
Language	English