DVM8050
Rev. 01
21.01.2010
©Velleman
nv
5
4.
Features
•
6 digits LCD
•
auto power-off
•
comes with: storage box, wristlet, batteries, user manual
•
optional telescopic tripod (not incl.): CAMB17
5.
Use
Refer to the illustrations on pages
2
and
3
of this manual.
•
Remove the sensor cover
[1]
by releasing the screw at the back of the
device and sliding the cover upwards.
•
Press the
ON/OFF
button to switch the device on. Press and hold ±2s to
switch it off.
•
The device powers off automatically after ±20min. To disable auto-power
off, press and hold the
Unit
button and press the
ON/OFF
button. Press
the
Unit
button to toggle between
AP ON
and
AP OFF
and press the
ON/OFF
button. The setting is applied when the device is switched on
again. To re-enable auto-power off switch the device off and repeat this
procedure.
•
Press the
Unit
button to switch from lux to ftc (foot-candle) and back.
Note:
1ftc
≈
10.764 lux
•
For correct measurement hold the luxmeter horizontal with the light
sensor
[2]
facing upwards.
•
Press the
Func.
button to go into hold-mode
[A]
. The current
measurement remains on the display.
•
Press the
Func.
button again to show the maximum measured value
[B]
.
•
Press the
Func.
button again to show the minimum measured value
[C]
.
•
To reset the maximum and minimum values,
while in min-mode
, press
and hold the
Func.
button for ±2s.
•
Press and hold the
Unit
button for ±2s to switch on the backlight. Press
and hold again for ±2s to switch it off. The backlight will switch off
automatically after ±60s.
•
When the battery indicator
[G]
is shown, replace the batteries (see
§8
).
•
Always
place the sensor cover
[1]
back when the device is not in use.
6.
Operation tips
•
Keep the sensor
[2]
clean.
Do not
scratch it while doing so.
•
Do not
measure outside of the operating range (‘OL’ is displayed on the
LCD) and do not measure in places with high humidity. Refer to the
technical specifications for more details.
•
Consider mounting the device on a tripod (not incl.) for longer and more
stable measurements.
•
Make sure the device is at ambient temperature for accurate
measurements.
•
Remove the batteries when the device is not used for a long time.
