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

LowBatteryIndication

√

√

√

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

√

√

√

过载提示

Max And MinReading Hold Function

____

____

√

、小值锁定功能