Application standards: GB 40070-2021, JJG_ Various lighting fixture standards such as 245-2018, GB55016-2021, GB/T 5702-2019, GB/T 5702-2019, GB/T 5699-2017, GBT 5700-2008, GBT 24824-2009, GB30734-2014, GBT 9473-2017, etc

Main test parameters: color temperature (K), illuminance lx, color tolerance SDCM, color rendering index Ra, color coordinates, wavelength nm, color purity (Purity), light to dark visual ratio (S/P), photosynthetic photon flux density PPFD, photosynthetic effective radiation illuminance PAR w/, effective photosynthetic photon flux density YPFD, photosynthetic available radiation PUR (w/m) ²), Transmission ratio and other parameters
Test functions: 3A multi-point test for eye protection lamp (desk lamp), illumination test for plant growth lamp, multi-point test, and uniformity test for illumination and color temperature.
Wavelength ran: 380-780nm
3. Spectral resolution: ± 0.2nm, wavelength resolution:
4. Photometric linearity ± 0.3%
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. Value error: ± 1% (FS)
11. Ran: Automatic error ± 1%
12. High speed data acquisition, integration time: millisecond level
13. Symmetric non intersecting H-T optical path with a focal length of 42.5mm
14. Communication methods: USB communication, , 485, 232 (HP250 open communication protocol)
15. External dimensions: 145mm * 58mm * 18
16. Adopting advanced micro spectrometer technology, the testing accuracy is higher than that of traditional probes;
17. Can connect to e phones, connect to computers for testing and printing reports;
18. Color LCD display with good graphic and text interface, capable of displaying spectral waveforms and color tolerance ellipses;
19. 3.5-inch IPS touch screen
20. Built in 2500Am lithium battery for over 12 hours of exten