Hanna Instruments HI 8711 - Manual (Page 8)

8
1. BNC socket for ORP electrode
2. Input from amplified electrode
3. Power supply terminals
4. Fuse holder
5. Recorder output terminals
6. Connection to the transmitter
7. Power for amplified electrode
8. Connection for matching pin
9. Connection for reference electrode
REAR PANEL HI 8512
Unplug the instrument from the power supply before replacing the fuse.
Only one of BNC, AMP INPUT or INPUT TRANSMITTER connectors can be
used at a moment. Leave the other two inputs unconnected.
Only one of the two terminals 4-10 mA and 0-20 mA can be used
at one moment. Leave the other unconnected.