手持频率计的详细信息

FC2500A 手持式频率计顯示器13mm(0.5")LCD，8位數液晶顯示器測量功能頻率、讀值鎖定，比較值，記憶(值、小值、平均值)週期測量範圍2500MHz50MHz～2500MHz(typical max. 2600MHz)500MHz10MHz～500MHz.10MHz10Hz～10 MHzPeriod10Hz～10 MHz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℃,after calibration.時基線路4.194 MHz quartz crystal.時基溫度係數0.1PPM/per℃(typical,23±5℃).過載輸入2500MHz & 500MHz rangeMax.5 V peak to peak.10MHz & Period rangeMax.250 V peak to peak輸入接頭BNC,female. BNC母座外殼堅固的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4×1.5 V AA(UM-3)battery.消耗電流2500MHz & 500MHz rangeApprox. DC 105mA.10MHz & Period rangeApprox. DC 45mA.交流電壓轉換器Optional, 9V DC,300 to 500 mA rating, central positive for socket.自動關機自動關機及手動關機功能.尺寸173×80×35 mm (6.8×3.1×1.4inch).重量340 g/0.75 LB (including battery).標準附件Instruction Manual.......1PC.選購附件AT-20......Telescoping RF pick-up antenna with BNC connector.PB-21......Direct probe with BNC connector & alligator clip pairs.
(Be used only for the measuring frequency≧500 MHz)CA-03皮套Table for Resolution & Sample Time測量範圍時間選擇解析度取樣時間2500MHzFAST快速1000Hz0.5 SECSLOW慢速100Hz2.75 SECSLOW(select 1)200Hz1.5 SECSLOW(select 2)500Hz0.75 SEC500MHzFAST100Hz0.75 SECSLOW10Hz6 SECSLOW(select 1)慢速(選擇1)20Hz5 SECSLOW(select 2)慢速(選擇2)50Hz1.5 SEC10MHzFAST10Hz0.5 SECSLOW1Hz1.25 SECSLOW(select 1)0.2Hz6 SECSLOW(select 2)0.1Hz11 SEC