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H-312 – Xylem H-312-22 User Manual

Page 13

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H-312

Installation 2-5

Figure 7 Dry Air Junction Box Wiring

Data Logger Connections

Wire

Name

Red

White

Black

Shield

+12Volt DC

SDI-12 Data

Ground
Ground

If the polyurethane cable between the H-312 sensor and the dry air junction box must be routed
thru a conduit or small hole, the polyurethane cable can be temporarily disconnected from the dry
air junction box as needed. Reconnect the sensor cable as shown below:

H-312 Sensor Connections

Wire

Name

Red

White

Black + Green

Shield

+12Volt DC

SDI-12 Data

GND

Shield

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