User Guide

6
2.3 Selecting pH/ORP Measurement Mode
You can set the appropriate pH/ORP measurement mode from
the jumper. See Appendix 1 for details on the jumper positions
for pH mode and Appendix 2 for jumper positions for ORP
mode.
2.4 Wiring
Connect the power supply to the GND (EARTH) - 13 or 14,
NEUTRAL - 15 and LIVE - 16 screw terminals. Make sure that
the power supply jumper setting matches the mains voltage
(110 VAC or 220 VAC). See Appendix 2 for the jumper setting
for the voltage selection.
Connect the pH electrode to the BNC connector at the back
panel. Wire up the PT 100 temperature probe to the PT 100
connections (see back panel connections).
Power on the controller and the display automatically shows the
pH/ORP reading. The pH/ORP annunciator lights up. Once the
reading is stable, the READY annunciator lights up. However, if
the PT 100 temperature probe is not connected, automatic
temperature compensation does not function. You can set the
temperature at a selected value. The temperature is set to
factory default at 25.0
o
C.
NOTE : Eutech Instruments will not be responsible for
incorrect application of the controller using improper
voltage sources or wrong jumper settings.