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MODEL 228 INSTALLATION
INSTALLATION
Keep at least 1 in. (2.5 cm) between the sensor and pipe walls. If the clearance is too small, calibrate the sensor
in place. Ensure that the sensor is completely submerged in liquid. Mounting the sensor in a vertical pipe run with
the flow from bottom to top is best. If the sensor must be mounted in a horizontal pipe run, orient the sensor in the
3 o’clock or 9 o’clock position.
WIRING
Keep sensor wiring away from ac conductors and high current demanding equipment. Do not cut cable.
Cutting the cable may void the warranty.
FIGURE 4. Wire Functions
FIGURE 1. Adapter PN 23242-02
use with 228-21 (3/4 in. MNPT)
FIGURE 3. Adapter PN 2001990
use with 228-21 (3/4 in. MNPT)
FIGURE 2. Adapter PN 23242-03
use with 228-20 (5/8-11 UNC threads)
2