Digital Light Meter /Luminous Flux Meter/Light Meter AR813 Measuring Range 1100,000 lux Accuracy<4% rgd±0.5%f.s Unit Selection Lux Measure Level Seletion Auto Data Hold Digital Light Meter /Luminous Flux Meter/ Light Meter AR813 Specification: GENERAL FEATURES & SPECIFICATIONS AR-813 Measuring Range 1100,000lux Accuracy <4%rgd±0.5%f.s Unit Selection Lux Measure Level Seletion Auto Data Hold Function √ Auto Power Shut Off √ Low Battery Indication √ LCD Back Light Selection _______ Repeatability ±2% The Change As Temperature Change 0.1%/ Samping Frequency 1.5times/sec Resolution 1Lux Response Time 1s Over level Indication √ Max And MinReading Hold Function ____ GENERAL CHARACTERISTICS Power 9v Battery LCD size 48*31.8mm Product Color Dark gray+black Product Net Weight 116.5g Product Size 166.2*64.0*30.5mm AR-813 AR813 Light meter Lux meter SMART SENSOR เครื่องวัดความเข้มแสง เครื่องวัดแสง