DEM200
V. 02
–
09/10/2018
4
©Velleman nv
4.
Features
max / min function
auto ranging: 30 ~ 130 dB
auto backlight on/off
resolution: 0.1 dB
auto power off
windscreen, battery, user manual
5.
Overview
Refer to the illustrations on page 2 of this manual.
1
windscreen
5
MIN/MAX button
2
microphone
6
tripod socket
3
LCD display
7
battery compartment
4
on-off button
Display
MAX
maximum value
MIN
minimum value
dBC
C frequency weighing
dBA
A frequency weighing
HOLD
data hold
battery level
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 for 1 second to switch on the meter.
2.
Briefly press the on-off button to switch on the backlight.
3.
Aim the microphone to the sound source at a distance of 1 to 1.5 m.
The sound level appears on the display.
