Main test parameters: color temperature (K), illuminance lx, color tolerance SDCM, color rendering index Ra, color coordinates, wavelength nm, color purity (Purity), color saturation (Rg), color fidelity (Rf), color quality Index (CQS), light/dark visual ratio (S/P), transmittance.

Product advantages
1. Communication method: USB, wireless Bluetooth
2. Multiple display methods: computer, small program
3. Online testing, scheduled testing, and data issuance
3. Support secondary development
4. Multi-platform operation: computer PC software control operation, mobile phone control operation, IPS touch screen control operation

Test advantages
1. Comparison test, transmittance test, parameter comparison (rolling and locking modes)
2. Regular testing and regular saving (light attenuation test verification can be performed)
3. The wavelength is adjustable for easy query (a single band is more convenient for viewing and analysis)
4. Test result correction (test result coefficient correction for different scenarios and environmental changes)
2. Optical path characteristics (fiber spectrometer structure)
1. Multiple optical inputs: direct cosine correction into the slit or through SM905 optical fiber (with cosine correction)
2. Wavelength range: 380-780nm
3. Spectral resolution: ±0.2nm, wavelength resolution:
4. Photometric linearity ±0.3%
<;0.1%
6. Photometric probe cosine correction: error 5%, nonlinearity 1%
7. Absolute value of fatigue error: 2%
8. Long wave response error: 15%
9. Relative indication error: ±5%
10. Zero value error: ±1% (FS)
11. Signal-to-noise ratio: 300:1
12. Measuring range: automatic error ±1%
13. High-speed data collection, integration time: millisecond level
14. Focal length 42.5mm, symmetrical non-crossed H-T optical path
15. Communication method: USB communication, Bluetooth
16. Overall dimensions: 156mm*81mm*21.8
17. Usin