Hanna Instruments HI 9829 - Manual (Page 23)

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4.3 SENSOR INSTALLATION
The HI 76x9829 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
Note Note Note 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.