Calibration Natural sunlight Electric lamps (8% difference)
Absolute accuracy ± 5% ± 5%
Uniformity ± 3% ± 3%
Repeatability ± 1% ± 1%
Application Measuring Photosynthetic Photon Flux
2.5 V option Output 0 to 2.5 V (2.0 V = full sunlight 2,000 μmol m-2 s-1)
Input power 2.5 to 5.5 VDC
Sensitivity Custom calibrated to exactly 1.00 μmol m-2 s-1 / mV
5.0 V option Output 0 to 5 V (4.0 V = full sunlight 2,000 μmol m-2 s-1)
Input power 5 to 5.5 VDC
Sensitivity Custom calibrated to exactly 0.50 μmol m-2 s-1 / mV
Current draw 285 μA
Operating environment - 40 to 55 °C; 0 to 100% relative humidity. Designed
for continuous outdoor use. Can be submerged
under water (with or without mounting screw).
Materials Anodized aluminum with acrylic lens
Cable 3 m of shielded, twisted-pair wire with
Santoprene casing, ending in pigtail leads.
Additional cable $1.95/m
Dimensions 2.4 cm diameter x 2.75 cm