Velleman DEM301, Руководство пользователя

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DEM301
V. 01
–
07/05/2015 4 ©Velleman nv
4. Features

max / min function

analogue bar-graph indication

selectable measuring units: LUX / FC

4-level selectable measurement ranges

automatic measurement and peak value hold

4-digit LCD display with low-battery and overrange indication

automatically revise parameters for non-standard illumination
5. Overview
Refer to the illustrations on page 2 of this manual.
1 light receptor 5 range level button
2 LCD display 6 backlight/data hold button
3 fc/lux button 7 on-off button
4 MIN/MAX button 8 battery compartment
Display
1 low range 8 battery level
2 MAX value 9 auto range
3 MIN value 10 data hold
4 over-range 11 lux
5 range display 12 fc
6 analogue bar graph 13 auto power off
7 current 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.
7. Operation
1. Remove the protective cap from the light receptor.
2. Press the on-off button for 1 second to switch on the meter.
3. Briefly press the backlight/data hold button to switch on the backlight.