Checkline ETMPB - Manual (Page 5)

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8.3 Restoring Factory Calibration
You can restore the factory calibration at any time with the following procedure:
1. Switch off the tension meter.
2. Press and hold the MEM and POWER keys until the Display shows E-0 cN .
3. Release irst the POWER key and then the MEM key.
4. Press and hold the DAMP and RECALL keys, then additionally
press and hold MEM until the Display shows - - - -cN .
The factory calibration is restored.
5. Release the DAMP, RECALL and MEM keys.
6. Press the POWER key. The instrument switches off.
E-0
D cN
----
D cN
2.6 Zero Adjustment of the Measuring Position (Auto Zero)
A Zero Adjustment is automatically carried out for the current measuring postion.
A Zero Adjustment must be carried out whenever the tension meter
does not display “0” in measuring position. The process material must
not yet be inserted!
Procedure:
1. Switch on the tension meter as described in Sec 2.3.
2. Select the unit of measure as described in Sec 2.5.
Do not insert the process material.
3. Hold the tension meter in the desired measuring position. Be careful to hold the
instrument absolutely steady.
4. Press the POWER key.
The DISPLAY momentarily shows and then switches to .
The tension meter is now adjusted for the new material path and is ready to measure.