National Instruments NI 9225E Operating Instructions Manual

Contents

National Instruments NI 9225E Operating Instructions Manual Manual pdf 19 page image

© National Instruments Corp. 19 NI 9225E Operating Instructions and SpecificationsIsolation VoltagesChannel-to-channelContinuous ................................. 600 Vrms,Measurement Category II,(Basic insulation)Withstand.................................... 2,300 V rms , verified by a 5 sdielectric withstand testChannel-to-earth groundContinuous ................................. 300 Vrms,Measurement Category II,(Double insulation)Withstand.................................... 2,300 V rms , verified by a 5 sdielectric withstand testMeasurement Category II is for measurements performed oncircuits directly connected to the electrical distribution system.This category refers to local-level electrical distribution, such asthat provided by a standard wall outlet, for example, 115 V for U.S.or 230 V for Europe.Caution Do not connect the NI 9225E to signals or use formeasurements within Measurement Categories III or IV.