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-Measurement range: 40 cd to 400000 cd (spectral), 0.2 cd to 250000 cd (integral) at a measurement distance of one meter, 360 nm to 830 nm.
-Typical applications: Inspection of incoming products (LED lamps), quality assurance in production processes, design
-Calibration: Factory calibration. Traceable to international standards
-Typical applications: Light meter for the luminous flux, spectral radiant power, luminous intensity distribution and luminous color. Calculation of the luminous intensity from the illuminance and the measurement distance.
-Calibration uncertainty: Luminous flux calibration ±8%
Illuminance ±4%
-Sensor: Bi-Technology sensor with a photometric broadband detector and a array spectrometer. Integrated aperture for automatic dark signal adjustment.
-Input optics: Bayonet adapter with diffuser window. 20 mm diameter of the diffuser window. ± 30° cosine corrected field of view. 5% cosine correction within the specified range.
-Typical measurement time:
Max. luminous flux BTS256-LED: typ. 1100lm. Meas. time ≤ 5m
Min. luminous flux BTS256-LED: typ. 10mlm. Meas. time ≤ 30s
Max. illuminance BTS256-LED-DA: typ. 4000000lx. Meas. time ≤ 5ms
Min. illuminance BTS256-LED-DA: typ. 40lx. Meas. time ≤ 30s
Max. luminous intensity BTS256-LED-DA: typ. 4000000cd in 1m distance. Meas. time ≤ 5ms
Min. luminous intensity BTS256-LED-DA: typ. 40cd in 1m distance. Meas. time ≤ 30s
(Note: Measured by white light)
-Optical Bandwidth: 5 nm
-Spectral range: (360 - 830) nm
-Measurement range:
Max. measurable luminous flux BTS256-LED: typ. 70000 lm
Noise equivalent luminous flux BTS256-LED: typ. 0.05 mlm
Max. measurable illuminance BTS256-LED-DA: typ. 250000 klx
Noise equivalent illuminance BTS256-LED-DA: typ. 0.2 lx
Max. measurable luminous intensity BTS256-LED-DA: typ. 250000 kcd in 1 m distance
Noise equivalent luminous intensity BTS256-LED-DA typ. 0.2 cd in 1 m distance
(Note: White Light)
