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©2018 Johnson Level & Tool
6. Calibrating the Product
IMPORTANT:
Although this product is factory calibrated, there a
few environmental factors that can affects its accuracy. It is a
recommended practice, as with any high precision measuring
instrument, to check your level for accuracy.
Verifying the Product Accuracy
1. Position the tool on a fairly level surface, such as a countertop,
floor or table, with the top read LCD display facing up and the
main display facing you.
2. Record the displayed value as well as direction of level indicators.
3. Rotate the level 180°, with the top read display still facing up and
the main display facing away from you.
4. If the displayed valued is less than or equal to ±0.05° of the value
recorded in step 2, this product meets the stated accuracy and
calibration is not required.
5. If the displayed valued is greater than ±0.05° of the value recorded
in step 2, this product DOES NOT meet the stated accuracy and
calibration is required. Proceed to “Calibrating the Product”.
6. After “Calibrating the Product”, steps 1 through 5 should be
repeated. If the product fails to meet stated accuracy after
calibration has been completed, please reference section 11 of
this instruction manual.
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