8
3.3 Measuring with the Tension Meter
- Push the SPECIAL LEVER as far as it will go in the direction of the arrow (see fig. 3.2b)
to extend the GUIDE ROLLERS.
- Keeping the GUIDE ROLLERS extended, bring the instrument behind or under the
filament and move it so that the GUIDE ROLLERS contact the process material
(see fig. 3.3).
-
Slowly
release pressure on the SPECIAL LEVER until the GUIDE ROLLERS return to
their original position.
It is important to assure that the PROCESS MATERIAL lies smoothly between the
GUIDE ROLLERS and the MEASURING ROLLER.
The scale pointer will now show the line tension directly.
Inserting:
Removing:
- Push the SPECIAL LEVER as far as it will go in the direction of the arrow (see fig. 3.2b).
- With the GUIDE ROLLERS extended, move the instrument away from the PROCESS
MATERIAL.
- Slowly release pressure on the Thumb piece until the GUIDE ROLLERS return to their
original position.
It is essential that the SPECIAL LEVER returns slowly to its initial position.
Any uncontrolled snap-back may affect calibration and may also damage
the instrument.
fig. 3.3
SPECIAL LEVER
GUIDE ROLLERS
MEASURING
ROLLER
PROCESS
MATERIAL
GUIDE ROLLER
