| | 希玛 SMARTSENSOR数字光度计AR823 | | GENERAL FEATUR* & 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&plu*n;0.5%f.s | <3%rgd&plu*n;0.5%f.s | <3%rgd&plu*n;0.5%f.s | | | 测量*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 | &plu*n;2% | &plu*n;2% | &plu*n;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 | √ | √ | √ | | | 过载提示 | | | Max And MinReading Hold Function | ____ | ____ | √ | | | *大、*小值锁定功能 | |
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