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The HI76x9829 can support 3 different sensors: Connector 1: pH, pH/ORP or ISE (Ammonium,
Chloride, Nitrate), Connector 2: D.O., Connector 3: EC or EC/Turbidity.
To make installation easier, the sensors have color‑coded caps and the sockets are identified with
colored triangles.
Note: The EC/Turbidity sensor with 9 pin connector does not have a color-coded cap. It is
always installed into the socket with three blue triangles.
SENSOR INSTALLATION