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Amazon.com : Light Meter Handheld Ambient Temperature Measures1-400,000 Lux/FC with 270° Rotatable Detector for All Visible Light, Industrial, Household, Plants and Photography - Calibration Certificate RQ-881D : Electronics
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Illuminance Meter Calibration Kit - Hoffman Engineering for LED Aircraft Lighting and Marine Lighting
REED INSTRUMENTS LIGHT METER, W CALIBRATION CERTIFICATE, ALL VISIBLE LIGHT, 2000-10000 LUX, CORD 3 FT - Light Meters - REER8100SD-NIST | R8100SD-NIST - Grainger, Canada
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