AR-813AR-833AR-823 Measuring Range1～100,000lux0.01～50,000lux1～100,000lux 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 Unit SelectionLuxLuxLux/Fc 单位转换 Measure Level SeletionAutoAutoAuto/MANUAL 测量档位选择 Data Hold Function√√√ 数据保持显示功能 Auto Power Shut Off√√√ 自动关机功能 Low Battery Indication√√√ 低电显示功能 LCD Back Light Selection____________√ 背光显示选择功能 Repeatability±2%±2%±2% 重复性 The Change As Temperature Change0.1%/℃0.1%/℃0.1%/℃ 温度特性 Samping Frequency1.5times/sec1.5times/sec1.5times/sec 取样率 Resolution1Lux0.01～1Lux1Lux 解析度 Response Time1s1s1s 响应时间 Over level Indication√√√ 过载提示 Max And MinReading Hold Function________√ 、***小值锁定功能 

AR833香港希玛亮度计红外测温仪