Triode MiniBayard-AlpertHotIonizationGaugesTheseETIMiniBayard-AlpertstyleandETI8138/29D20Triodestylehotionizationgaugetubesmeasureawidevacuumrange.SmallerthanstandardglassBayard-Alpertgaugestheyareidealforuseinanalyticalinstrumentation.Accidentalexposuretoatmosphereatnormaloperatingtemperatureswillnotdamagethegaugebecauseoftheuseofthethoria-coatediridiumfilaments. Part#Description3103-8332-118138/29D20TriodeMiniGlasswith3/4 KovarTubeEndConnection3103-8330-11MiniBayard-AlpertGlasswith3/4 KovarTubeEndConnection SpecificationsTriode:Lessthan5x10-7to5x10-2TorrMiniBA:5X10-8to5X10-3TorrTriode:+/-15%MiniBA:-15%to+30%None0.75in.KovarThoriaCoatedIridiumSpecificationsareforairorNitrogen0-50DegreesC,non-condensingTriode:6.2/TorrMiniBA:5.2/Torr1.5to3.5Volts1.75to2.25A120to250VDC-20to 50V2mA3to4W.0855in.maxOD2.8in.max,includingpins0.040in.0.275in.