ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 87)

3-28 IETG FlowHawk Manual
Notice how the elevated sensor provides a gap in which debris can collect
Notice how deterioration in the pipe surface creates a space for debris to
collect under the sensor
4. Expand the ring by turning the spreader mechanism nut
counter-clockwise with the crank handle or socket. However,
do not tighten the ring against the pipe completely at this point.
5. Mount the Surface Combo Sensor or Ultrasonic Depth Sensor
to the ring in the following way based on the sensor type:
 Surface Combo Sensor Mount this sensor by
inserting the studs on the back of the sensor into the
keyholes on the sensor mounting plate (at the top of the
ring) and sliding the sensor back (in a downstream
direction) until it is fully in place. The sensor cable should
exit the downstream edge of the ring. Orient the sensor