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3.2.2.8
Measure the sensor offset
This section applies to ULS-02 and ULS-06 level sensors only. If you are using another type of level sensor, please
refer to the instructions of the leveling device used.
The sensor offset is the distance from the tip of the level sensor to the bottom of the pipe or channel. This distance
will be entered into the software and is necessary for accurate flow calculations.
Figure 13: Sensor offset
1
Distance from crown of pipe to tip of level sensor
2
Pipe diameter
Prerequisites
Rod
Tape measure
Procedure
1.
Put the rod in the bottom of the pipe or channel and align it vertically with the level sensor (Figure 13).
2.
Make a mark on the rod to identify where the top of the sensor frame is.
Sensor offset
2
1
