Read the nominal value of the lighting from the display.
If the instrument displays only "OL" symbol, it means that the input signal is too strong and you
need to set a higher measuring range.
After completing the measurement cover the photodetector with its cover and turn the meter OFF.
4
Special Features
4.1
DATA HOLD mode for holding displayed data
Press HOLD button to select the Data Hold mode. When HOLD mode is selected, the meter stops
the currently displayed result and shows it as numbers, whereas the bar graph continues to show
actual indications.
Press again HOLD again to exit Data Hold mode, the meter returns to normal operation.
4.2
PEAK HOLD function for read-out of peak values
PEAK HOLD function enables the user to measure the peak signal of light pulse longer than 0.1
s (0.4 s for LXP-2 with probe LP-1) and shorter than 1 s. The bar graph shows current result continu-
ously.
Press PEAK to enter Pmax data logging mode and place the device in the light measuring area.
Press PEAK button again to enter Pmin data logging mode.
Press PEAK button again to exit Peak Hold mode and return to normal operation.
4.3
Maximum and minimum value mode
Press MAX/MIN button to read the maximum value (MAX).
Press MAX/MIN button again to read the minimum value (MIN).
Press MAX/MIN button again exit this mode and return to normal operation mode.
The bar graph shows current result continuously.
4.4
Relative mode measurement
Press REL button to start the relative mode measurement. The displayed result is the difference
between the currently measured value and the reference value saved in the moment of pressing
REL button. If the new reading is identical to the reference value, then the display will show zero.
The bar graph shows current result continuously.
Press REL again to exit the relative measurement.
4.5
USB Mode
Connect the device to your computer via the USB port.
Start the program „SONEL READER" on your computer.
The meter operates in data reading mode.
To read the data stored in memory, use the appropriate commands in the software. The software
enables the user to select the type of the read memory: measurement memory or data logger
memory.
LXP-2 ● LXP-10B ● LXP-10A – USER MANUAL
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