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Sensor I® Expert User Manual
on a flat surface, selecting Angle Control and pressing the Reset button
until the front panel's FAULT light is extinguished and the green RUN
light appears. Then proceed as follows:
NOTE
If this calibration procedure takes longer than 10 minutes or the
wrench ambient temperature changes more than 5° Celsius, step 1
should be repeated.
2. Hold in the Reset button and select Custom Setup Mode #120. The
wrench display will read "0.0°".
3. Rotate the Mode Select switch to the Dynamic Audit position.
4. Press the Reset button and Window key simultaneously. A CAL legend
should appear on the wrench display. Calibration is now enabled.
Release Reset.
5. Set the external monitoring equipment's snug torque to match the
Torque Control Mode default snug torque of the wrench. The default
snug values for all models are listed in the TOOL DESCRIPTION Technical
Data table in Chapter 2.
6. Apply more than the snug torque to the wrench and rotate it through a
known angle at a rate of between 20 and 45 degrees/second (do NOT
ratchet the wrench). The wrench's displayed angle value will be the
same as that shown on the external monitoring equipment6 (±2°). If
not, turn the wrench's Parameter Adjustment Knob until they match.
7. Press the Reset button, and repeat step 6 to verify calibration.
8. Press the Display key to exit calibration.
9. Select Setup, hold in Reset and adjust the Mode below 20 to save.