Hach Flo-Dar Sensor Basic User Manual page 17

Figure 11 Wall installation
1 Distance from interior crown of pipe to top of frame
2 Anchor
5.1.2.3 Install the sensor on the frame
The sensor fits in the frame in only one direction and is held in position when the bail on the sensor is
turned. Refer to Figure
into the manhole when the optional retrieval pole is used.
1. Make sure that the cable is tightly connected to the sensor.
2. Turn the bail to retract the locking bars on the sensor.
3. Put the sensor on the frame. Make sure that the cable points toward the center of the manhole.
4. Turn the bail to hold the sensor on the frame. Refer to
12. The sensor can be removed from the frame and installed without entry
3 Washer
4 Nut
Figure 12.
English 17