Velleman DEM800 Mode D'emploi page 4

4. Features
 for use in:
sawn timber
o
cardboard, paper
o
plaster, concrete and mortar
o
 average humidity value of European woods based on a temperature of
20° C
 hold data freezes the displayed readings
5. Overview
Refer to the illustrations on page 2 of this manual.
1 protection cap
2 measurement probes
3 LCD display
6. Battery
1. To replace the battery, make sure the device is switched off.
2. Open the battery compartment at the back using an appropriate
screwdriver.
3. Take out the old battery and replace with a new and identical 9 V
battery following the polarity markings inside the compartment.
4. Close the battery compartment.
Warning: Do not puncture batteries or throw them in fire as they
may explode. Do not attempt to recharge non-rechargeable
batteries (alkaline). Dispose of batteries in accordance with local
regulations. Keep batteries away from children.
7. Operation
1. Press the on-off button to switch on the meter.
2. Push the measurement probes about 5 mm deep into the material to
be measured. The display shows the measured value.
3. Briefly press the data-hold button to freeze the reading on the display.
Press again to unfreeze.
4. Press the on-off button to switch off the meter. Place the protection
cap over the measurement probes.
V. 01 – 08/05/2015
DEM800
4 reading/data-hold button
5 power switch
6 battery compartment
4 ©Velleman nv