HACH LANGE POLYMETRON 8350 Series User Manual page 8

•
VIA THE 08350=A=8000 PRE-AMPLIFIER UNIT
It is impossible to connect the liquid earth in this case.
•
USING THE 08350=A=8500 JUNCTION BOX
2654
yellow / green
Shielding
For pH probes only:
Temperature measurement.
- Impedance measurement (the blue wire from the transmitter's "liquid earth"): programme the control frequency and the upper and lower
limits (refer to the instructions for the 9135 transmitter):
Glass impedance:
Reference impedance:
2666 cable
Ext.
EMC
Shielding
protection
Temp + (Pt 100)
white
Temp - (Pt 100)
pink
yellow Ref. (Reference)
brown + V
grey
- V
green
Input (pH/rH)
08350=A=8500 Junction box
Input (pH/rH)
Core
Schielding Ref. (Reference)
white Temp + (Pt 100)
violet Temp - (Pt 100)
Liquid earth (contact)
EMC
Ext.
protection
50 Mohm - 500 Mohm
1...100 kohm
08350=A=8000 Pre-amplifier
Temp + (Pt 100)
Temp - (Pt 100)
Ref. (Reference)
Input (pH/rH)
EMC
protection
Probe
EMC
Ext.
protection Shielding
Input (pH/rH)
Clear
Ref. (Reference) black
Temp + (Pt 100)
red
Temp - (Pt 100) white
Liquid earth (contact)
blue
Probe
white
red
black
Clear
Ext.
Shielding