Velleman DEM702 Manual Del Usuario página 13

11. Cleaning and Maintenance
Wipe the device regularly with a moist, lint-free cloth. Do not use
•
alcohol or solvents. DO NOT submerge the device in any liquid.
Store the meter in a dry place away from humidity and vibrations.
•
Remove the battery when the meter is to be stored for long periods of
•
time.
12. Information display
All the information icon, or "Error" is displayed. The information
shown below can be corrected:
Message
203
402
301
302
101
102
201
401
13. Technical Specifications
Laser protection class
Measuring length range
Automatic power-off function
Measuring accuracy
V. 01 – 23/01/2024
DEM702
Cause
Low Battery
Calculation error
Temperature is too
high
Temperature is too
low
Reflected signal is too
weak
Reflected signal is too
strong
Ambient light is too
strong
Hardware error
13
Solution
Replace batteries
Make measurements
in correct succession
Cool down the
product
Warm up the product
Use reflecting plate
Use reflecting plate
Make measurements
in less illuminated
zone
Switch on/off the
instrument several
times. If the symbol
still appears, then
your instrument may
be defective.
Class 2
0.05-50 m
OK
± 2 mm
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