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Inserting a battery
To gain access to the battery compartment on the rear side of the device, remove the housing's elastic cover.
Then, use a fitting screwdriver to loosen the screw on the battery cover. Remove the battery cover and connect
the 9 V battery with the poles. Make sure that the poles are correct. Replace the battery cover and put the elastic
cover back on the housing.
Operation
1
Prior to each measurement, remove the protective cap and replace it after completing the measurement.
Switch on the device with the power on/off button. An indication is displayed. Four measuring ranges can be
2
selected [0-200 lx, 200-2,000 lx, 2,000-20,000 lx (measurand x 10), 20,000-200,000 lx (measurand x 100 with
the range button. If necessary, you can switch the display from lux to foot candle with the button LUX/FC. If [I]
is indicated on the display the measuring value is over the given range and must be adjusted to the next
higher range.
3
If the display indicates the battery symbol, the battery is exhausted and must be replaced.
4
To hold the current measurement press the button HOLD. The display indicates [H]. Now the value before
pressing HOLD will be held. To deactivate the function press hold again; the indication [H] disappears.
5
To determine the maximum measuring value, press the PEAK button. The display indicates [P-H]. Now the
highest value will be held. Press PEAK again to deactivate the function. The indication [P-H] disappears.
6
Always switch off the unit after operation to extend battery life. If the device will not be used for a longer period
of time, remove the battery in order to avoid battery leakage.
Battery:
Measuring ranges lux:
Accuracy:
Calibration:
Repeatability:
Temperature characteristic:
Sampling rate:
Measuring electrode:
Dimensions (LxWxH):
Specifications are subject to change without notice due to product improvements.
Spectrum for light sensor
SETUP
TECHNICAL SPECIFICATIONS
9 V
0-200 lx,
200-2,000 lx,
2,000-20,000 lx (measurand x 10),
20,000-200,000 lx (measurand x 100)
± 3 % rdg ± 5 % fs <= 20000 lux,
± 5 % rdg ± 10 digits = 20,000 lx)
Standard incandescent lamp at color temperature 2856 kelvin
± 2 %
± 0,1 %/°C
2 measurements per second
Silicon photodiode with filter
160 x 80 x 40 mm
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V ( )
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light meter
11 • EN
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