Open Channel and Channel to Channel Isolation Resistance on NI 2571

Updated Aug 28, 2026

Reported In

Hardware

  • PXI-2571

Issue Details

Could you please provide the open-channel isolation resistance specification for the NI PXI-2571 when a relay channel is in the OFF state, as well as the channel-to-channel isolation resistance value?

Solution

The approximate isolation resistance is greater than 1 GΩ under the following conditions:

  • Open-channel isolation resistance: When the relay is OFF/open.
  • Channel-to-channel isolation resistance: Isolation measured between two relay channels.

Additional Information

Isolation resistance represents the level of electrical isolation between circuits. A higher isolation resistance indicates lower leakage current between the isolated paths.

Related Links

Other Support Options

Ask the NI Community

Collaborate with other users in our discussion forums



Request Support from an Engineer

A valid service agreement or active software subscription may be required, and support options vary by country.