Velleman DEM401 Bedienungsanleitung Seite 4

4. Features
 dual display
 air velocity level indication
 4-digit LCD
 area setting units: cm², m², ft²
 air velocity units: m/s, km/h, ft/min, knots, mph
 air set: 0.001 ~ 9999 m² (0.001 ~ 9999 ft²)
 temperature units: °C, °F
 low-battery indication
 timing shut-off and auto power-off
 comes with: anemo probe, battery, user manual, screw driver, carry
pouch, coloured box
5. Overview
Refer to the illustrations on page 2 of this manual.
1 impeller
2 LCD display
3 °C/°F button
4 MIN/MAX/data hold button
Display
1 auto power-off
2 AVG value
3 MAX value
4 MIN value
5 data hold
6 battery level
7 temperature units
8 wind speed units
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.
V. 01 – 07/05/2015
DEM401
5 unit button
6 AVG/backlight button
7 on-off button
8 battery compartment
9 current reading
10 x100 reading
11 area units
12 air flow units
13 air velocity level
14 analogue bar graph
15 temperature reading
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