Photographic Light Meters Professional Industry Luxometer 200000LUX Precise Digital Luxometer Photography Photometer Light Meter Rotatable Probe for Plants Aquarium Light Tester

Product FunctionData holdAuto/Manual ranMAX/MIN functionRelative functionUnits of measure: Lux/FcSelecting light sourceSelf-defined light source coefficientSelecting light source1. Press and hold the button (2 seconds) to put the selecting light source mode. The "L.S.Ln" will appear on the display, and the "n" number will flicker.2. Press button to chan "n" number.3. After the selection is completed, press button to confirm, and exit selecting light source mode.Application180 Degree RotationAuto/Manual ranTesting Light Source StabilityProduct SpecificationRan LUX/FC:1000,10000,100000Accuracy:±(3%+5Lux) (at 2854°K incandescent lamps)±(6%+5Lux) othersCosine angle deviation characteristics30° ±2%; 60° ±6%; 80° ±25%Calibration: Calibrated to a standard incandescent lamp at color temperature 2854ºKResolution: 1LUX/1FCSensor: Sil photo-diode and spectral response filterOperating conditions:Temperature:0-40°C<;80%RH<;2000mStora conditions:Temperature:-10-50°C<;80%RHSampling rate: Approx. 2 times per secondSpectral ran: 320-730nmAuto power off: 10 minutesPower: 3 x 1.5VAAA batteries(NOT INCLUDE)

• Data hold
• Auto/Manual ran
• MAX/MIN function
• Relative function
• Units of measure: Lux/Fc