多功能轉(zhuǎn)速記錄儀SM8238測(cè)試范圍：2.5~99,999RPM分辨率： 0.01RPM(3~999.99RPM) 0.1RPM(1,000~9,999.9RPM) 1RPM(10,000RPM以上)準(zhǔn)確度： (0.05%+1個(gè)字)采樣時(shí)間： 1,000RPM時(shí)，0.2秒 1,000RPM時(shí)，0.5秒記憶：?jiǎn)未文Ｊ阶詣?dòng)記憶最大值、最小值、最后測(cè)量值， 連續(xù)模式可記錄15000組數(shù)據(jù)接口：MINI型USB接口帶濾光的透鏡，只接收特定波長(zhǎng)的紅光，有效濾除雜光干擾。可測(cè)量轉(zhuǎn)速(RPM)，頻率(Hz)，具有數(shù)據(jù)累計(jì)功能。 白色背光液晶顯示屏，機(jī)身小巧高貴 MULTI-FUNCTIONALRECORDINGTACHOMETERMODEL:SM8238MeasureRange:2.5~99,999RPMResolution:0.01RPM(3~999.99RPM) 0.1RPM(1,000~9,999.9RPM) 1RPM(over10,000RPM)Accuracy: (0.05%+1digit)ResponesTime: 1,000RPM,0.2second 1,000RPM,0.5secondMemoryFunction:Single-modeautomaticmemorymaximum,minimun,thelastmeasurement,continuousmodecanrecord15000measuringvalues.Interface:MINI-USBinterfaceThelenswithfilter,onlyreceivetheredlightwithspecificwavelengthandfiltertheotherlighteffectively.Measurablespeed(RPM),frequency(Hz),withtheaccumulateddatefunction.WhitebacklightLCD.Compaltvaluablebody.