Aquametrix 2200P pH Analyzer/Controller User Manual - Manual (Page 8)

Model 2200P Page 6
3.5 Probe Connections: DIFFERENTIAL PROBE (P60 SERIES)
3.5.1 Ensure that both J42 jumpers are in the up position, leaving the pins nearest to the
bottom exposed. Connect the 6 wires from the probe to the TB2 terminal strip on
the main circuit board. Match the colors of the probe wires to the terminals marked
on the circuit board. (Refer to Fig. 3)
3.6 Sensor Connections; Combination Probe (P500K Series) With Temperature Compensation
3.6.1 a) Both J42 jumpers located on the swing-out board must be in the down position
leaving the pin nearest to the top exposed. (Refer to Fig. 4)