DIGITAL LUX METER

Description: Features * CE Approval * With Lux and fc rwo units select function * With PEAK/DATA HOLD function * Cosine corrected: f'2 <3% * Display with backlight Specifications * Display: 3 1/2 digit liquid display (LCD) with maximum reading of 1999 * Overrange: (OE) is displayed * Low battery indication: the is displayed when the battery voltage drops below the operating level * Measurement Range: 2.5 times per second, nominal * Operating Environment: 0°C to 50°C (32°F to 122°F) at < 70% relative humidity * Accuracy: Stated accuracy at 23°C ± 5°C (73°F ± 9°F) < 70% relative humidity * Battery: standard 9V battery (NEDA 1604, IEC 6F22 006P) * Battery life: 200 hours typical with carbon zinc battery * Dimensions: 190mm (H) x 65.5mm (W) x 35mm (D) * Weight: 210g including battery * Photometric Formulas: 10.764 footcandles = lux (lumens / meter2) 0.0929.lux = footcandles (lumens / foot2) * Range: 200lux, 2000lux, 20klux, 200klux, 200fc, 2000fc, 20kfc, 200kfc * Resolution: 0.1lux, 0.1fc * Spectral Response: Metravi photopic (The Metravi photopic curve is an international standard for the color response of the average human eye) * Acceptance Angle: f2 < 3% cosine corrected (150°) Total accuracy for Metravi standard illuminant A(2856K) ± (3% rdg + 10 dgts) The Metravi standard illumination A can be realized by means of Metravi standard source A, which is defined as : A gas-filled tungsten-filament lamp operating at a correlated colour temperature of 2856K * Temperature Coefficient: 0.1x (specified accuracy) / °C (<18°C or > 28°C), 0.056x (specified accuracy) / F° (<64.4°F or 82.4°F) * Peak hold response time: > 50mS pulse light