Battery Replacement; Front Panel Description - Velleman DTO6234N Manual Del Usuario

Three values are stored in the memory:
• Press the MEM button to display the maximum value, the minimum value and the last measured value
respectively.
Fig. 1
displayed reading
weergegeven waarde
valeur affichée

4. Battery Replacement

a. the battery symbol (
b. open the battery compartment and remove the old batteries.
c. insert 1 x 9V battery. Faulty installation can permanently damage the device.
d. remove the batteries if the device is not to be used for some time.

5. Front Panel Description

1. reflecting tape strip
2. laser beam
3. display
4. MODE button
5. MEAS button
6. 6VDC input
7. MEM button
8. battery compartment
6. Use
Attach a small strip of tape to the target surface. Press the MEAS to switch on the tachometer. Select whether to
measure the RPMs (RPM) or the revolutions (REV) with the MODE button. Point the tachometer at the strip of tape
and hold the MEAS button pressed. The
strip of tape.
7. Measuring Tips
Reflective Tape
Cut a square of tape of ± 1cm² and attach it to the target surface.
• the piece of tape should never cover more than half of the target area.
• a target surface that is reflective of its own accord should be painted black or covered with black tape prior to
applying the tape.
• make sure the target surface is smooth and clean when you apply the tape.
DTO6234N_v2
max. value
max. waarde
valeur max.
measuring time = meetduur = durée de mesurage
) is displayed when the batteries need to be replaced (battery voltage < ± 5V).
indicator should appear on the display when you point the beam at the
last value = laatst gemeten waarde =
min. value = min. waarde =
valeur min.
Fig. 2
- 4 -
dernière valeur mesurée
VELLEMAN