Velleman DEM900 User Manual

DEM900
V. 01 – 07/05/2015 4 ©Velleman nv
4. Features
 display: lux, °C, °F, % RH, dB-A, dB-C, dB-low and dB-high, m/s, km/h,
ft/min, knots, mph
 large 4-digit backlit LCD display
 data hold and maximum hold
 auto power-off and low-battery indication
 comes with: 9V-battery, tripod, temperature and humidity probe, photo
detector , anemometer probe, carry case and coloured box
5. Overview
Refer to the illustrations on page 2 of this manual.
1
windscreen
10
MIN/MAX button
2
microphone
11
°C/°F selection button
3
LCD display
12
sound level calibration
4
temp./humidity button
13
probe socket
5
backlight
14
sensor socket
6
data-hold button
15
external power supply
7
unit selection button
16
tripod socket
8
power switch
17
battery compartment
9
function selection button
18
screw
Display
1
temp/humidity reading
7
sound level unit
2
battery level
8
light unit
3
temperature unit
9
MIN/MAX value
4
humidity icon
10
data hold
5
air velocity unit
11
power off timer
6
reading
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.

Velleman DEM900 Specifications

General

Brand	Velleman
Model	DEM900
Category	Measuring Instruments
Language	English