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Ensure sufficient safety distance with hot light sources (e.g. halo-
gen lamps). The radiated heat might involve measuring errors (see
Technical Data "Temperature for guaranteed accuracy").
Maintenance
Except from a battery replacement and occasional cleaning, the measuring instru-
ment is maintenance-free. In case of unauthorized conversion, modification or repair
works of the measuring instrument, all guarantees become invalid.
To clean the device or the display window, please take a clean, lint-free, anti-static
and dry cleaning cloth.
Note!
Do not use carbon-containing cleansing agents, benzenes, alcohols or the like as
they attack the surface. Furthermore, fumes produced are detrimental to health and
are explosive.
Do not use sharp tools, screwdrivers, metallic brushes, etc. for cleaning.
Repair works must be carried out by an expert familiar with the involved dangers and
the relevant statutory requirements.
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Proceed as follows:
- Connect the connector (11) of the light sensor with
the jack (8) of the measuring instrument.
- Switch the measuring range selector switch (5) to
position "lux".
- Remove the black protective cap from the light
sensor and position the light sensor in the area to
be measured.
The best measurement results can be obtained, if
you position the light sensor directly to the light
source.
- The display indicates the measured illuminance in
"lux".
- If the display shows "OVER", the value is higher or
lower than the selected measuring range. In this
case, press the "SELECT" key to switch to the next
measuring range.
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