AR813,数字式照度计,AR813 AR813,数字式照度计,AR813AR813|数字式照度计|光照计|照度仪|光度计 AR813的详细介绍 AR813|数字式照度计|光照计|照度仪|光度计|的详细介绍 GENERAL FEATURES & SPECIFICATIONS 一般功能和规格 AR-813 AR-833 AR-823 Measuring Range 1~100,000lux 0.01~50,000lux 1~100,000lux 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 Selection Lux Lux Lux/Fc 单位转换 Measure Level Seletion Auto Auto Auto/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 Change 0.1%/℃ 0.1%/℃ 0.1%/℃ 温度特性 Samping Frequency 1.5times/sec 1.5times/sec 1.5times/sec 取样率 Resolution 1Lux 0.01~1Lux 1Lux 解析度 Response Time 1s 1s 1s 响应时间 Over level Indication √ √ √ |