国产精品视频一区二区三区四,亚洲av美洲av综合av,99国内精品久久久久久久,欧美电影一区二区三区电影

AR813|數(shù)字式照度計|光照計|照度儀|光度計 AR813的詳細介紹
AR813|數(shù)字式照度計|光照計|照度儀|光度計|的詳細介紹
GENERAL FEATURES & SPECIFICATIONS 一般功能和規(guī)格

 
AR-813 AR-833 AR-823  
Measuring Range 1～100,000lux 0.01～50,000lux 1～100,000lux  
測量范圍  
Accuracy <4%rgd±0.5%f.s <3%rgd±0.5%f.s <3%rgd±0.5%f.s  
測量度  
Unit Selection Lux Lux Lux/Fc  
單位轉(zhuǎn)換  
Measure Level Seletion Auto Auto Auto/MANUAL  
測量檔位選擇  
Data Hold Function √ √ √  
數(shù)據(jù)保持顯示功能  
Auto Power Shut Off √ √ √  
自動關(guān)機功能  
Low Battery Indication √ √ √  
低電顯示功能  
LCD Back Light Selection  _______ _____ √  
背光顯示選擇功能  
Repeatability ±2% ±2% ±2%  
重復性  
The Change As Temperature Change 0.1%/℃ 0.1%/℃ 0.1%/℃  
溫度特性  
Samping Frequency 1.5times/sec 1.5times/sec 1.5times/sec  
取樣率  
Resolution 1Lux 0.01～1Lux 1Lux  
解析度  
Response Time 1s 1s 1s  
響應時間  
Over level Indication √ √ √