8424400
12 IN. PROFESSIONAL SAE/METRIC
V3.05
DIGITAL SURVEYOR'S WHEEL
For technical questions call 1-800-665-8685
OPERATION
WALL-TO-WALL MEASUREMENT
1. Place the measuring wheel on
the ground with the back of
the wheel against the wall.
2. Drive the wheel in a straight
line towards the opposite wall.
3. Stop the wheel against
the wall.
4. Record the reading on
the counter.
5. Add the reading to the diameter of the wheel.
WALL-TO-POINT MEASUREMENT
1. Place measuring the wheel on
the ground with the back of
the wheel against the wall.
2. Drive the wheel in a straight
line towards the endpoint.
3. Stop the wheel with the lowest
point over the mark.
4. Record the reading on
the counter.
5. Add the reading to the radius of the wheel.