Vaisala HMD50 User Manual
Installing the cable seal

ø2
2 m
in.
ø3
.2
Ta
pp
ing
sc
rew
DI
N
79
81
DR
ILL
ING
DI
ME
NS
ION
S
Installing the cable seal
lock it in position.
3. Pull the cable back to
cable or a screwdriver.
2. Pierce the seal with the
in the hole.
1. Press the rubber seal
ST2.9x19-C-Z DIN 7981
ST4.2x16-C-Z DIN 7981
4 pcs
ST2.9x13-C-Z DIN 7981
4 pcs
Spare part sensor
INTERCAP 15778 HM
ELECTRICAL CONNECTIONS
For cable diameter
7...10 mm.
10...28VDC
1
2
3
4-20mA
HMD 40 U
+RH
-RH
mA
+
POWER
SUPPLY
10...28VDC
10...28VDC
15...35VDC
POWER
SUPPLY
12...24VAC
HMD 40 Y
HMD 50 Y
1
3
2
5
4
1
2
3
6
5
4
7
+
4-20mA
+RH
-RH
mA
POWER
SUPPLY
-
4-20mA
+T
-T
Us
GND
mA
0-10V
0-1V
RH
GND
RH
T
POWER
SUPPLY
-
+
+
-
V
V
V
15...35VDC
12...24VAC
SUPPLY
POWER
HMD 50 U
2
1
4
3
5
6
Us
GND
GND
+
-
0-1V
0-10V
RH
RH
V
V
42
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