Features * light level measurements: from 0.01lux to 50000lux * easy to use with single function switch, light pocket-sized device * 3 1/2 digit LCD display with low-battery & overrange indication Specifications * light: * measuring range: 200, 2000, 20000lux (20000lux range reading x10) and 50000lux (50000lux range reading x100) * accuracy: * < 10000lux: ± 5% of rdg + 10 digits * > 10000lux: ± 10% of rdg + 10 digits * repeatability: ± 2% * temperature characteristics: ± 0.1%/°C * photo detector: one silicon photo diode with filter * power supply: 1 12V A23 battery (included) * measurement rate: 1.5 times per second, nominal * storage temperature: 14°F to 140°F * photo detector dimensions: 4.5" x 2.4" x 1.1" * dimensions: 7.4" x 2.5" x 1.0" * weight: 5.6 oz.
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