Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : KYOHRITSU BulletPoint1 : ■LIGHT METER KEW 5204, Wide Range Illuminance Measurement 0.0 lx to 199900 lx BulletPoint2 : ■Lux Meter KEW 5204, Detachable & Rotatable Light Sensor, Data Hold Function MAX/MIN Function BulletPoint3 : ■ Large LCD with Backlight, LED illuminance can be measured BulletPoint4 : ■High precision, Photometer Luxmeter Lux Accuracy ±4%rdg±5dgt(23℃±2℃) BulletPoint5 : ■Measuring Range 0.0~199900 lx, Range 199.9/1999/19990/199900 lx Color : Blue Hazmat1 : un1993 IncludedComponents : EC-KEW-5204 ItemName : Japan Quality KYORITSU Lux Meter KEW 5204 Digital Illuminometer 0~19900lux LCD Pocket Light Meter Lux/FC Measure Tester Sensor Photometer Luxmeter Digital Light Meter ItemPackageDimensions_Height : 120 millimeters ItemPackageDimensions_Length : 160 millimeters ItemPackageDimensions_Width : 200 millimeters ItemPackageQuantity : 1 ItemTypeKeyword : photographic-light-meters LowerTemperatureRating : -20 degrees_celsius Manufacturer : KYORITSU Japan Material : acrylonitrile_butadiene_styrene MeasurementAccuracy : +-0.1% ModelNumber : EC-KEW-5204 NumberOfItems : 1 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 PackageLevel : unit PartNumber : EC-KEW-5204 PowerSourceType : Battery Powered ProductDescription : Japan Quality KYORITSU Lux Meter KEW 5204 Digital Illuminometer 0~19900lux LCD Pocket Light Meter Lux/FC Measure Tester Sensor Photometer Luxmeter Digital Light Meter(5204) Detachable & Rotatable Light Sensor Data Hold Function MAX/MIN Function Large LCD with Backlight LED illuminance can be measured *LED illuminance measurements are verified by testing only the typical illuminance, frequency, and duty ratio of pulsed white LED. Measuring Range 0.0~199900 lx Range 199.9/1999/19990/199900 lx Resolution 0.1 lx Light detector Silicon photo diode Accuracy ±4%rdg±5dgt(23℃±2℃) Angle deviation from cosine characteristics 10°±1.5% 30°±3% 60°±10% 80°±30% Relative spectral sensitivity characteristics Deviation from spectral luminous efficiency:9% Response time Auto-ranging:5s or less Manual ranging:2s or less Power source R6/LR6(AA)(1.5V) x 2 Auto power off 30 min. Operating temperature and humidity range 0 - 40°C,relative humidity 80% or less(no condensation) Storage temperature and humidity range -10 - 60℃,relative humidity 70% or less(no condensation) Dimension / Weight 169(L)x63(W)x37(D)mm / Approx. 210g Applicable Standards IEC 61326 , JIS C 1609-1:2006 Accessories 9195(Carrying case) Instruction Manual LR6(AA)×2