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Calibration
Calibration
• Screwdriver with blade width approx. 3 mm
• Screwdriver with blade width approx. 4 mm
The rotary switches and adjusting elements for calibration are on the
electronic insert in the housing.
Directly beside these calibration elements are the power connections with
voltages up to 250 V.
Use a screwdriver which has insulation as far as the blade only or else tape
over the terminals with insulating tape before calibration.
Turn on the power supply.
Set the switching delay to between approx. 0.5 s and 20 s. Refer to Fig. 15.
The time interval is the same for the probe whether covered or uncovered.
Select the optimum time for your particular application.
Scalar calibration can only be approximate as the function is not quite linear.
Exact calibration is possible by touching the uncovered probe (connection
and calibration in the factory).
Tools Required for Calibration
Switching Delay
Fig. 15
Selecting the switching delay.
19
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