Bird4412A型通过式功率计|4412A功率计Multipower,&plu***n;5%ReadingAccuracyTheModel4412Ausesthebasicprinciplesand“lookandfeel”oftheModel43buttransformsitintoahighlyaccuratehighdynamicrangeinstrument.Themirrored-scalelinearrangemeterhas2switchableranges,0-1and0-3.Powerisreadasamultipleofthevalueindicatedbythepointer,thedecimalpointlocationdependingupontherangeswitchpositionandthefactorprintedontheplug-inelement.Powerrangescoveredbyindividualelementsare2mWto10W,20mWto100W,200mWto1KWand2Wto10KW,fullscale.Formostelements,accuracyis+/-5%anywhereabove20%offullscale.Thecircuitryoperatesfromarechargeablebattery.Temperature-compensatedaccurateCWandFMpowermeasurementsfrom200kHzto2.3GHzand2mWto10KW·Usesspecial4410-serieswide-rangeelements·Wide-rangeaccuracyovera37dBdynamicrange·QuickChange(QC)connectorstominimizetheneedforadaptorswhenmakingcriticalmeasurementsPowerRange2mW-10W,20mW-100W,200mW-1kWor2W-10kWfullscaleinonesinglePlug-inElementFrequencyRange200kHz-2.3GHzCWorFMInsertionVSWRNConnectors1.25max.to2300MHzConnectorsQCType(FemaleNnormallysupplied)AmbientTempRange[°C(°F)]To120%ofnominalfullscale(i.e.12W,120W,1200W,or12,000W).Nodamageordegradationtotheunitwillresult,regardlessoftheRangeSelectorSwitchposition.FinishGrayPowderCoatNominalSize[inches(mm)]6-7/8"x5-1/8"x3-5/8",includingconnectors(HxWxD)175x130x92mmWeight4lbs.(1.8kg))