Velleman DVM1300, Руководство пользователя, Страница: 4 / 18

DVM1300 Rev. 01
13.01.2011 ©Velleman nv
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4. Front Panel Description
1. LCD display : 3 ½-digit LCD display with low-battery
indication (“BAT”)
2. Power/Function/range switch : Turns the power ON/OFF and selects the
measurement function and the range
3. Photo detector : Long-life silicon photo diode is built in
5. Operating Instructions
1. Select the desired scale with the operating switch and select the desired range
(“lux”, “lux x 10” or “lux x 100”).
1. Hold the photodetector at a horizontal angle to the light source to be
measured.
2. Read the nominal measured value from the LCD display.
3. Overrange indication: if the instrument only display one “1” in the LCD, the
input signal is too strong for the selected range.
4. Replace the photo detector when the measurement is completed.
5. The spectral sensitivity of this device is very similar to the ICE curve
(International Commission on Illumination) depicted below on page 2:
6. Recommended illumination: see table below
ENGLISH NEDERLANDS FRANCAIS LUX
At the Office Op kantoor Au bureau
conference room,
reception area
vergaderzaal,
receptie,
salle de réunion, la
réception,
200 – 750
clerical work administratief werk activités
administratives
700 – 1500
typing typist dactylo 1000 – 2000
In a Factory In een fabriek A l’usine
packing work inpakwerk emballage 150 – 300
production lines bandwerk travail à la chaîne 300 – 750
inspection work inspectiewerk travail d’inspection 750 – 1500
electronic parts
assembly line
montageband voor
elektronische
onderdelen
chaîne de montage
pour composants
électroniques
1500 – 3000
In a Hotel In een hotel Dans un hôtel
public room,
cloakroom
vergaderruimte,
vestiaire
salle de réunion,
vestiaire
100 – 200
reception receptie réception 200 – 1000