NI9202 channel to channle isolation

[wlee87]

Hello, 

 We decided to upgrade our system using NI9202 but we are not sure the NI9202 has the channel to channel isolation. 

 - I mean, if we have 4 different voltage nodes (V1,V2,V3,V4) 

 can I connect NI9202 channel 1 to V1 and V2, and channel 2 to V3 and V4?

 Thanks,

[l.hovs]

Hi wlee87,

NI 9202 has channel-to-earth isolation (spring terminal). You can check that from NI 9202 Datasheet. 

Channel-to-Earth Isolation is the lowest protection level of isolation for an instrument. The voltages present at AI 1, AI 2, and AI Ground are not isolated from each other. 

So you can't connect 2 different voltages to 1 channel.

[algarcia]

Hi wlee87,

The 9202 does not have channel-to-channel isolation.

What are the 4 voltages you are trying to measure? 

Depending on what voltages you are measuring this may be possible.