照度计AR833GENERALFEATURES&SPECIFICATIONS一般功能和规格AR-813AR-833AR-823MeasuringRange1～100,000lux0.01～50,000lux1～100,000lux测量范围Accuracy<4%rgd±0.5%f.s<3%rgd±0.5%f.s<3%rgd±0.5%f.s测量精确度UnitSelectionLuxLuxLux/Fc单位转换MeasureLevelSeletionAutoAutoAuto/MANUAL测量档位选择DataHoldFunction√√√数据保持显示功能AutoPowerShutOff√√√自动关机功能LowBatteryIndication√√√低电显示功能LCDBackLightSelection____________√背光显示选择功能Repeatability±2%±2%±2%重复性TheChangeAsTemperatureChange0.1%/℃0.1%/℃0.1%/℃温度特性SampingFrequency1.5times/sec1.5times/sec1.5times/sec取样率Resolution1Lux0.01～1Lux1Lux解析度ResponseTime1s1s1s响应时间OverlevelIndication√√√过载提示MaxAndMinReadingHoldFunction________√最大、最小值锁定功能GENERALCHARACTERISTICS一般特征