照度計(jì)Model:BK8731 產(chǎn)品特色:■CE認(rèn)證合格■攜帶方便、單手可操作■精密式1光學(xué)補(bǔ)償濾波鏡片■CIE( ):f1 2%,f 3%,f 5%,f 8%,符合V( )■Cosine校正:f2 2%■讀值及峰值鎖定功能■口袋掛鉤設(shè)計(jì)使用場所:■室內(nèi)■辦公室■實(shí)驗(yàn)室■環(huán)境研究一般規(guī)格:顯示:3 位數(shù)字液晶顯示,最大1999讀值。電池電壓不足顯示:當(dāng)電池電壓低於操作電壓時(shí), 顯示。取樣率:2.5次/秒。操作環(huán)境:0 C至50 C,相對(duì)濕度 70%R.H.。儲(chǔ)存環(huán)境:-20 C至60 C,0至80%R.H.(電池移除後)。精確度測試環(huán)境:23 C 5 C,相對(duì)濕度 75%R.H.。尺寸:155mm(高)x48mm(寬)x24mm(厚)。電池:4顆1.5V四號(hào)電池。重量:約81.2公克(含電池)。Lux規(guī)格:感測器:矽質(zhì)光二極體感測器範(fàn)圍:20lux,200lux,2000lux,20000lux,20fc,200fc,2000fc,20000fc解析度:0.01lux,0.01fc精確度: (NOreading NOdigits)精確度: (NOreading NOdigits)機(jī)種8731-28731-38731-58731-88731SpectralResponseCIEPhotopicCIEPhotopicCIEPhotopicCIEPhotopicWhiteLightSpectralAccuracyf1 2%f1 3%f1 5%f1 8%NOspec.CosineResponsef2 2%f2 2%f2 2%f2 2%f2 2%TotalAccuracyForAllCommonLightSource (5%+2) (6%+2) (8%+2) (11%+2)NOspec.TotalAccuracyForSourceA2856KStandardLightSource (1%+2) (1%+2) (1%+2) (1%+2) (3%+10)