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:
          o measuring range: 200, 2000, 20000lux (20000lux range reading x10) and 50000lux (50000lux range reading x100)
          o accuracy:
                + < 10000lux: ± 5% of rdg + 10 digits
                + > 10000lux: ± 10% of rdg + 10 digits
          o repeatability: ± 2%
          o temperature characteristics: ± 0.1%/°C
          o 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.