Description LS108H spectrum transmission meter is suitable for measuring the optical transmittance of various uniform transparent materials. It adopts three-in-one optical path design, providing simultaneous measurements of visible light, infrared, and ultraviolet transmittance. It uses parallel light sources, has 1mm test aperture, and delivers accurate data for materials of various sizes and thicknesses. It offers simple operation—just place and measure. With CE certification, it ensures its capability to pass authoritative metrology institute inspection. It is suitable for measuring materials such as glass, PC, plastics, lenses, and more.
| Specification |
Details |
| UV Peak Wavelength |
365 nm |
| IR Peak Wavelength |
940 nm |
| Visible Light Range |
380 nm - 760 nm, full wavelength, in line with CIE photopic luminosity function |
| Resolution |
0.1% |
| Measurement Accuracy |
± 2% (colorless uniform transparent material, 0-90% transmittance) |
| Minimum Test Sample Size |
¢ 1 mm |
| Dimension (L×W×H) |
170 mm × 180 mm × 144 mm |
| Weight |
About 1570 g |
| Display |
480px × 272px color LCD |
| Power Supply |
DC 5V / 1A |

1. Simultaneous measurement of visible light, infrared, and ultraviolet transmittance with three-in-one optical path
2. Parallel light design for precise measurements on 20mm thick materials.
3. With 1mm test aperture, it can measure small-sized materials.
4. It offers simple operation—just place and measure.
5. The instrument dynamically self-calibrates upon startup to ensure 100% transmittance.
6. With CE certification, it ensures its capability to pass authoritative metrology institute inspection.
7. Operates on 5V power supply via Type-C interface, facilitating connection to portable chargers.
It adopts three-in-one optical path design, providing simultaneous measurements of visible light, infrared, and ultraviolet transmittance.
It is suitable for measuring materials such as glass, PC, plastics, lenses, and more.
Parallel light design for precise measurements on 20mm thick materials.
With 1mm test aperture, it can measure small-sized materials.
It offers simple operation—just place and measure.
The instrument dynamically self-calibrates upon startup to ensure 100% transmittance.
With CE certification, it ensures its capability to pass authoritative metrology institute inspection.
Operates on 5V power supply via Type-C interface, facilitating connection to portable chargers.



1. LS108H Spectrum Transmission Meter*1
2. DC5V Adapter*1
3. User Manual*1
4. Certificate / warranty card*1
5. Packing box dimension 231*241*161 cm(L*W*H)*1
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
Please allow 1-2cm measuring deviation due to manual measurement.