Manual
4
5 Operation
1. Connect the device to the light sensor.
2. Press the on/off key to turn on the Lux-measuring device.
3. Remove the cover of the light sensor and hold it horizontally to the light source.
4. Select the desired unit, lux or fc.
5. The light intensity value is displayed on the screen. If “OL” appears, then the measurement value
is outside of the measurement range. Please select a higher measurement range.
6. The measurement range is selected by pressing the RANGE key (e.g. 400.0/4000 lux).
7. Switch between the measuring modules Lux and Footcandle (1 fc= 10.76 lux) by pressing the
UNITS key.
8. To freeze the current value on the screen, press the HOLD key. Press the key again to continue
with the measurement.
9. To record the peak value, press the PEAK key. By briefly pressing the PEAK key, the maximum
and minimum peak values can now be recorded.
10. Maximum and minimum values can be selected by pressing the MAX/MIN key.
11. To set the display to “0”, press the REL key. The device will now deduct the current
measurement value from the final value.
12. To turn the backlight on or off, press the LOAD key.
13. When the measurement procedure has been completed, put the cover back on the light sensor
and turn off the device
6 Set time and sampling rate
1. Press the REC and UNITS keys simultaneously. The first digit of the time will begin to flash.
2. By pressing the PEAK ◄ or REL ► key the appropriate selection may be selected (hour, minute,
second, sampling rate, month, day, week, year).
3. The value of the range selected can be changed by pressing the MAX/MIN ▲ key or the HOLD
▼ key.
4. To exit, press the REC key and UNITS key simultaneously.
7 Manual save
1. Press the REC/Setup key to save manually.
2. The saved values can be viewed by pressing the LOAD key for approx. 3 seconds.
3. The memory locations can be viewed by pressing MAX/MIN ▲ and HOLD ▼ key.
4. To switch back to the standard mode, press the LOAD key for approx. 3 seconds.
8 Data log storage
1. Set the sampling rate as described in point 6.
2. Press the REC/Setup for approx.3 seconds, until the MEM display begins to flash.
3. Press the REC/Setup for approx.3 seconds and the saving will be complete.
4. Connect the light intensity meter to a USB port and the data log will be selected using the
included software.
9 Delete saved data
Delete the manually saved data as follows:
Press the LOAD key and the REC/Setup key simultaneously until the symbol MEM CL appears on the
screen to delete the saved data.
Delete the automatically saved data as follows:
Press the REC/Setup key whilst the device is turned off and keep it pressed whilst turning on the
device until DEL-MEM appears on the screen.