Hioki LR8402-20 - 3.2 Configuring Measurement Settings

2.4 Making Connections
38
<Connecting to the terminals of the Universal Unit>
Required items: phillips screwdriver (for M3 screws), flat-blade screwdriver (tip width 2.6
mm), Hioki Z2000 Humidity Sensor
1 With a Phillips screwdriver,
loosen the screws in the termi-
nal block cover of the Univer-
sal Unit, and lift the cover.
2 Pull up the cover on the exter-
nal control terminal block.
3 Loosen the external I/O termi-
nal block screws, insert the
bare ends of the leads, and
tighten the screws.
5 With the button held in, insert
the cable into the cable con-
nection hole.
6 Release the button.
The cable is locked.
7 Connect to the measurement
object.
2
1
Connect the wires as follows.
8 Replace the terminal block
cover on the Universal Unit,
and tighten the screws.
Torque screws to no more than
0.6 Nm.
9 Replace the cover on the exter-
nal control terminal block.
4 Push in the button on the uni-
versal unit's connector with a
flatblade screwdriver.
Red
(12 V)
Black
(GND)
Green(-)
Yellow(+)
4
5
6
button
7
3
7