Digital Light Lux Meter Illuminometer Luminometer 400000Lux Temp Detector HP881D
≤10,000Lux: ±4%rdg+1.0%f.s. ≥10,000Lux:±5%rdg+1.5%f.s. ≥200,000Lux:±10%rdg+2.0%f.s. Photo detector: one silicon photo diode with filter. Temperature : ±1℃. It is fully cosine corrected for the angular incidence of light.