26
Unplug the instrument from the power
supply before replacing the fuse.
7
5
6
1. Fuse Holder
2. Power supply
3. Connections for dosing pump for acid
4. Connections for dosing pump for base
5. Recorder output
6. Connections for PT100 temperature sensor
7. BNC socket for pH electrode.
REAR PANEL HI 931501
FUSE
FUSE
ELECTRODE
INPUT
PT100
mA OUT
+
-
BASE
ACID
220
110
L
3
4
1
2
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