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E1345A 16-Channel Low-Offset Relay Multiplexer

Product Status: Obsolete
This product is no longer available

A replacement for this product is available:

Key Features & Specifications

  • 1-Slot, B-size, register based
  • General purpose, low-offset relay multiplexer
  • Low thermal offset reed relays, < 4 µ V
  • 16-channel 3-wire or 8-channel 4-wire multiplexer
  • Shunt/series signal conditioning elements
  • Channel scanning with Keysight DMMs


The Keysight E1345A General-Purpose Reed Relay Multiplexer is a B-size, 1-slot, register-based VXI module that switches 16 channels of high, low, and guard each. The multiplexer has low thermal offset performance. This module consists of a B-size component card (labeled E1345-66201) and a screw terminal block that plugs onto the component card. The E1345A is functionally similar to the E1347A.

The E1345A multiplexer is arranged into two banks of eight switches, each having its own common high, low, and guard screw terminals accessible on the terminal block. Tree-switched common high, low, and guard screw terminals and analog bus connections provide access to all 16 channels. The module may be programmed as either a single 1 x 16 three-wire multiplexer, two independent 1 x 8 three-wire multiplexers (for four-wire &omega) or a 1 x 8 six-wire multiplexer.