Vaisala HMM30C User Manual

HMM30C MODULE HMM30C
U312en-1.3 Operating Manual
99-11-29
HMM30C humidity module
GENERAL
The HMM30C humidity module is an open print, which is connected with two screws. Its
small sensor head is separated from the circuit board with a cable. Mounting dimensions
are shown in Figure 1.
215 (8.46)
ø12
1500 (59.05)
49 (1.93)
24 (0.94)
55 (2.16)
(0.47)
42.5 (1.67)
Figure 1 Mounting dimensions in mm (in inches)
ELECTRICAL CONNECTIONS
Make connections according to Figure 2.
+
OUT
-
2
1
3
DC/AC
POWER
SUPPLY
V/mA
Figure 2 Electrical connections

Vaisala HMM30C Specifications

General

Measurement Range (Humidity)	0 ... 100 %RH
Protection Class	IP65
Accuracy (Humidity)	±2 %RH (0 to 90 %RH), ±3 %RH (90 to 100 %RH)
Temperature Range	-40 to +60 °C
Current Consumption (at 25 °C)	< 20 mA
Output Signal	4...20 mA, 0...1 V, 0...5 V, 0...10 V