Velleman DVM8050 Manual de usuario descargar pdf (Pagina 5)

DVM8050 Rev. 01

23.11.2010 ©Velleman nv

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.

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Velleman DVM8050 Manual de usuario Pagina 5

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