Isolation Voltages

Channel-to-channel

 

Continuous .................................

600 Vrms,

 

Measurement Category II,

 

(Basic insulation)

Withstand....................................

2,300 Vrms, verified by a 5 s

 

dielectric withstand test

Channel-to-earth ground

 

Continuous .................................

300 Vrms,

 

Measurement Category II,

 

(Double insulation)

Withstand....................................

2,300 Vrms, verified by a 5 s

 

dielectric withstand test

Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system. This category refers to local-level electrical distribution, such as that 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 for measurements within Measurement Categories III or IV.

© National Instruments Corp.

19 NI 9225E Operating Instructions and Specifications