Shenzhen Linshang Technology Co., Ltd.
9-7-2020 Page 4 of 6
Select “550nm/940nm”, the measurement interface display 550nm visible light transmittance,
the 940nm infrared transmission;
Short press the "
" button to confirm the setting and return to select the setting item.
C.
Select "Exit", short press the "
" button to exit the setting mode and enters into the
measurement mode.
3. Measurement and operation
After powering on, the meter enters into the measurement interface, all transmission data is displayed as
100%. The test sample is placed on the test hole, the LCD screen displays the visible light of 550nm,
infrared light of 940nm and 850nm of the test sample;
As shown in the figure below: The infrared transmission of 850nm is 69.5%, the visible light
transmittance of 550nm is 18.6% and the infrared transmission of 940nm is 74.4%.
