Cleaning And Maintenance; Technical Specifications - Velleman DEM105 Bedienungsanleitung

9.8 Combination Lock
The DEM105 meter comes with a combination lock. To default security code
is 0000. To change the security code:
1. Press the button with a small screwdriver.
2. Set your security code by turning the code wheels.
3. Release the button.

10. 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.

11. Technical Specifications

relative humidity
overall range
accuracy
(0 % ~ 30 %
and 70 % ~ 100 %)
accuracy
(30 % ~ 70 %)
temperature
overall range
accuracy
(0° C ~ 70° C /
32° F ~ 158° F)
accuracy
(-40° C ~ 0° C /
-40° F ~ 32° F)
logging rate
power supply
V. 02 – 17/09/2015
DEM105
0 ~ 100 % RH
± 5.0 % RH
± 3.0 % RH
-40° C ~ 70° C (-40° F ~ 158° F)
± 1° C
± 1.5° C
selectable sampling interval: from 1 sec to
24 hours, operating temperature -35° C to 80° C
(-31° F to 176° F)
½ AA 3.6 V battery (incl.)
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