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 |
√ |
√ |
√ |
|
过载提示 |
|
Max And MinReading Hold Function |
____ |
____ |
√ |
|
最大、最小值锁定功能 |
| |
|
GENERAL CHARACTERISTICS |
一般特征 |
Power |
9v Battery |
9v Battery |
9v Battery |
供电 |
9v电池 |
9v电池 |
9v电池 |
LCD size |
48*31.8mm |
48*31.8mm | | |