Photobiology spectroradiometer from 380 to 780 nm
Wavelength Sensitivity 380 to 780 nm
Wavelength Data Increment 1 nm
Spectral Bandwidth Approximately 12 nm (half bandwidth)
Wavelength Reproducibility ± 1 nm
Measurement Range PPFD: 0.1 to 3,500 µmol mˉ² sˉ¹; Lux: 5 to 190,000 lx
Illuminance Accuracy
Illuminant A @ 2,856 K at 20,000 lx
± 5 %
Color Accuracy ± 0.0025 in CIE 1931 x, y
Color Repeatability ± 0.0005 in CIE 1931 x, y
CCT Accuracy ± 2 %
CRI Accuracy @ Ra ± 1.5 %
Stray Light -25 dB max
Integration Time Range 6 to 1,000 ms
Operating Temperature 0 to 35˚C, relative humidity 70 % or less without condensation
Storage Temperature -10 to 40˚C, relative humidity 70 % or less without condensation
Operation Mode Standalone Mode/Bluetooth Mode/USB Mode (PC Connection)
Measurement Modes PPFD, ePPFD, YPFD, TPFD, PFD-UV, PFD-B, PFD-G, PFD-R, PFD-FR, FR F, PPE, iPPE, CFI, CRI, CCT,
Lux, fc, R F-R R, λp, λd, CIE 1931 x & y, CIE 1976 u’ & v’, Spectrum graphics
Display 0.96” 128x64 mono OLED
Maximum Files 1.2 million files @ 8 GB Micro-SD card (Excel)
Battery Operation Time Approximately 3 hours / fully charged
Battery Operation Power USB Power; 700 mAh/3.7 V Rechargeable Li-ion battery; Micro Card (SD 2.0, SDHC/up to 32 G)
Data Interface Mini USB port (USB 2.0); Bluetooth 3.0 and 4.0 compatible with iOS and Android
Software Apogee InSight (available for PC, iOS, and Android)