Smart Lux Light Meter 3" x 1-3/8" x 5-1/2" high

Economically-priced light meter accurately measures light intensity in aquariumsEasy-to-use portable lux meter helps optimize aquarium lighting and set-upMultipurpose light meter essential for serious reef aquarium enthusiastsVerify light intensity in your aquarium like the pros. Easy-to-use, portable lux meter with waterproof sensor gives a precise reading of how much light your aquarium inhabitants actually receive. Accurately measures from 0.000 to 50,000 Lux with ?6 percent of reading ?1 digit. Use to determine light intensity in different areas in reef aquariums for ideal placement of corals with different light requirements. Also, a great way to monitor light fixtures to ensure optimum performance. 9V Alkaline Battery included. Measures 3" x 1-3/8" x 5-1/2" high.SpecificationsRange0.000-1999 Lux 2,000-19,999 Lux 20,000-50,000 LuxRange SettingManual through key buttonResolution ???0-1,999 Lux ???2,000-19,999 Lux ???20,000-50,000 Lux 1 Lux 10 Lux 100 LuxAccuracy?6 percent of reading ?1 digitPeak Wave Length560 nmSensor TypeSilicon PhotodiodeSensor Sensitivity100 scotopic LUXSensor Stability?2 percent change per year (In the first two years)Power Supply1 x 9V Alkaline BatteryBattery LifeApproximately 150 hours of continuous useAuto OffAfter about 5 minutes of non-useEnvironment0 to 50C or 32 to 122FWeight (meter with sensor)Approximately 270gDimensionsSensor/probe: 2" x 3/4" x 2-3/4" Meter: 3" x 1-3/8" x 5-1/2"Please click on "More Information" for instructions.