Calibration - Stanley Compulevel User Manual

47855 CompuLevel

Calibration

CAL
COMPULEVEL TM
temperature change of 36°F (20°C) or greater since the last calibration.
COMPULEVEL
TM
word 'CAL' in the measurement module display window. Calibration is
done by the user, in the field, in minutes, as described below.
To calibrate COMPULEVEL
1) Place the base unit on its back on a level, flat surface and turn it on.
2) Place the measurement module on its bottom or back side next to the
base unit. Press and hold the CAL key for two seconds.
3) When the display flashes [0] press the CAL key momentarily.
4) When [48] flashes on the display, raise the measurement module to 48"
above the base unit and momentarily press the CAL key again while
holding the measurement module steady. Note: The fully extended,
calibrated unipod, a plywood sheet, or a tape rule mark on a wall can
be used as a calibration standard.
5) When the display stops flashing and shows "48", the unit is calibrated.
Notes: You may exit without calibrating at any time during the procedure
by pressing and holding the CAL key for two seconds.
At any time, you may quickly check calibration by first zeroing beside the
base unit and then checking for a 48" reading at an appropriate location
above the zero benchmark. CAL may flash on the display indicating that
re-calibration is required.
CALIBRATION IS CRITICAL FOR ACCURATE VERTICAL MEASUREMENTS.
It is not required for levelling operations.
11 • Compulevel TM Measurement system
6/11/07 11:14
will need to be calibrated when there has been a
signals the user that it requires calibration by flashing the
TM :
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