GE pH/C-900 Operating Instructions Manual page 23

Main unit, backpanel
Figure 3.2: Backpanel of Monitor pH/c-900, main unit
Part
1
2
3
4
5
6
7
8
Monitor pH/C-900 Operating Instructions 29-0549-25 AB
pH
pH
Probe
Ground
Analogue out 0-1V
pH Cond
Conductivity
Flow Cell
1 2 3 4
Function
Conductivity Flow Cell. Connection to conductivity flow cell, 9 pole D-sub
connector
pH Ground. pH signal ground
pH Probe. Connection to pH electrode, standard BNC socket
Analog out 0–1V pH. Separate recorder output for pH, recorder output
0–1 V
Analog out 0–1V Cond. Separate recorder output for conductivity, recorder
output 0–1 V
UniNet-1. Computer network
Mains. Supply voltage, grounded
On/off. Instrument power switch
Mains
UniNet -1
5 6
3 System description
3.1 Illustrations
On/off
7 8
23