Thermo Fisher Scientific pH/ORP/Conductivity Field Monitors - Manual (Page 5)

2
3 CONNECTING THE PROBE
The pH or ORP monitor uses any standard pH or ORP electrode with a BNC
connector. The probe for the Conductivity monitor is hard-wired into the unit, no
connection is necessary.
NOTE: Keep connector dry and clean. Do not touch connector with soiled hands.
3.1 To connect the pH or ORP probe:
Slide the BNC connector of the probe over the BNC connector socket on the monitor.
Make sure the slots of the connector are in line with the posts of the socket. Rotate
and push the connector clockwise until it locks. See Figure 1.
pH FM1
Continuous Monitor
CAL ENTER
7.0
Push in the BNC
connector and turn
to tighten it.
Push in the power
adapter plug to
connect the power supply
pH Electrode
Protection bottle for pH electrode
Power
Adapter
Figure 1 - Connection diagram for Field Monitor
To remove probe, push and rotate the connector counter-clockwise. While holding
onto the metal part of the connector, pull probe away from the meter.
CAUTION: Do not pull on the probe cord or the probe wires might disconnect.