Operation
Testboy
®
TV 333
27
ENGL
ISH
Carrying out Measurements
Before commissioning, please observe the instructions
concerning the Prescribed Use as well as the Safety In-
structions and the Technical Data.
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Turn the ON/OFF switch (2) to ON.
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Remove the protective cap from the light sensor and hold it
horizontally ensuring that the light hits
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the light sensor vertically. Avoid shadows of your own body in
direction of the sensor.
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Read the value (1) indicated on the display. In the measuring
range 2000 lux, the indicated value corresponds to the inten-
sity of light in lux.
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In the measuring range of 20000 lux, you have to multiply the
indicated value on the display by 10; in the measuring range
of 100000 lux, you have to multiply it by 100 to determine the
correct light intensity.
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In case of overflow indication ("1" is indicated on the display),
please switch to the next measuring range (3) to determine
the correct light intensity.
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After the measuring process, please switch off the device
(On/Off switch to "OFF") and put the
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protective cap back onto the sensor.
