詳細資料：http://www.simpsonelectric.com/pdf/test/TS113.pdf TheSimpsonTS-113Volt-Ohm-MilliammeterRailroadTestSetisarugged,reliableinstrumentthathasbeendesignedforusebytrainedandqualifiedtechniciansassociatedwiththeRailroadSignalingandCommunicationsField.Inconstructionandgeneralprinciple,itfollowscloselytheprovenSimpsonpatternbasedonexperienceofmanyyearsofsuccessfulmultimetermanufacture.MultimeterforRailroadServicing ThefollowingstandardfeaturesareexclusiveonlytotheTS113RailroadTester:?ACcurrenttransformerfacilitatesminimalvoltagedrop?Ontimemeasurementatanyrateinexcessof30pulsesperminute?AnadjustablePointerStopforobservationofpeakreadingstabilization?Acurrent-limitingdiodepreventsoverloaddamage?IncludesblackpaddednylonCarryingCaseandTestLeadSet