3.1 Probe Body Dimensions and Pinout
136 [5.35]
Probe cable
2000 [78.74]
Ø 25
[0.98]
M12/5
1
5
3
4
2
M12/5
Male Connector
mm
[in]
Figure 10 Probe Body
Pin #
Function
Notes
Wire Colors in Vaisala
Cables
1
Power supply
Supply voltage:
• HMP7: 18 ... 30 VDC
• Other models: 15 ... 30 VDC
Typical current 10 mA, max. 500 mA.
Brown
2
RS-485-
White
3
Power GND
Blue
4
RS-485+
Black
5
Not connected
Gray
Recommended maximum length of the RS-485 line is 30 m (98 ft).
HMP4, HMP5, HMP7, HMP8, TMP1 User Guide
M212022EN-A
14
Summary of Contents for HUMICAP HMP4
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