FC2500A 手持式頻率計(jì)顯示器13mm(0.5 )LCD，8位數(shù)液晶顯示器測(cè)量功能頻率、讀值鎖定，比較值，記憶(最大值、最小值、平均值)週期測(cè)量範(fàn)圍2500MHz50MHz～2500MHz(typicalmax.2600MHz)500MHz10MHz～500MHz.10MHz10Hz～10MHzPeriod10Hz～10MHz靈敏度(rms)2500MHz(range)50MHz～75MHz≦100mV76MHz～2500MHz≦50mV500MHz(range)10MHz～35MHz≦120mV36MHz～350MHz≦50mV351MHz～450MHz≦120mV10MHz≦50mVPeriod≦50mV精確度 (4PPM+1d)-23 5℃,aftercalibration.時(shí)基線路4.194MHzquartzcrystal.時(shí)基溫度係數(shù)0.1PPM/per℃(typical,23 5℃).過(guò)載輸入2500MHz 500MHzrangeMax.5Vpeaktopeak.10MHz PeriodrangeMax.250Vpeaktopeak輸入接頭BNC,female.BNC母座外殼堅(jiān)固的ABS塑膠外殼工作溫度0℃～50℃(32℃～122℃).工作濕度Max.90%RH(0℃～35℃).電源供應(yīng)4 1.5VAA(UM-3)battery.消耗電流2500MHz 500MHzrangeApprox.DC105mA.10MHz PeriodrangeApprox.DC45mA.交流電壓轉(zhuǎn)換器Optional,9VDC,300to500mArating,centralpositiveforsocket.自動(dòng)關(guān)機(jī)自動(dòng)關(guān)機(jī)及手動(dòng)關(guān)機(jī)功能.尺寸173 80 35mm(6.8 3.1 1.4inch).重量340g/0.75LB(includingbattery).標(biāo)準(zhǔn)附件InstructionManual.......1PC.選購(gòu)附件AT-20......TelescopingRFpick-upantennawithBNCconnector.PB-21......DirectprobewithBNCconnector alligatorclippairs.(Beusedonlyforthemeasuringfrequency≧500MHz)CA-03皮套 TableforResolution SampleTime測(cè)量範(fàn)圍時(shí)間選擇解析度取樣時(shí)間2500MHzFAST快速1000Hz0.5SECSLOW慢速100Hz2.75SECSLOW(select1)200Hz1.5SECSLOW(select2)500Hz0.75SEC500MHzFAST100Hz0.75SECSLOW10Hz6SECSLOW(select1)慢速(選擇1)20Hz5SECSLOW(select2)慢速(選擇2)50Hz1.5SEC10MHzFAST10Hz0.5SECSLOW1Hz1.25SECSLOW(select1)0.2Hz6SECSLOW(select2)0.1Hz11SEC