The Agilent/Keysight E1345A is a 16-channel low-offset relay multiplexer for precision signal routing in VXI systems. This B-size, 1-slot register-based module uses reed relays with thermal offset below 4 µV, enabling accurate measurements across multiple configuration topologies. The E1345A can operate as a single 1×16 three-wire multiplexer, two independent 1×8 three-wire multiplexers for four-wire resistance measurements, or an 1×8 six-wire multiplexer. Each of two switch banks provides eight channels with common high, low, and guard screw terminals for flexible signal routing.
– Technical Specifications
• Module Type: VXI module, B-size, 1-slot
• Architecture: Register-based, two banks of eight switches
• Channels: 16 total
• Relay Type: Reed relay
• Thermal Offset: < 4 µV
• Signal Routing: Switches high, low, and guard signals
• Configuration Modes:
– 1×16 three-wire multiplexer
– Two independent 1×8 three-wire multiplexers (four-wire capable)
– 1×8 six-wire multiplexer
– Key Features
• Low thermal offset minimizes measurement error in precision applications
• Interchangeable terminal blocks compatible with E1343A, E1346A, E1347A, E1355A, and E1356A modules
• Shared switch card architecture enables flexible matrix topologies
• Supports shunt and series signal conditioning elements
• Analog bus connections available for all 16 channels
• SCPI command programming support
• Channel scanning integration with Keysight Digital Multimeters
– Typical Applications
• Precision data acquisition with multiple sensor inputs
• Four-wire resistance and temperature measurements
• Multi-point signal conditioning and routing
• Automated test systems requiring low-noise switching
– Compatibility & Integration
Designed for VXI chassis deployment. Compatible with Keysight DMMs for scanning functionality. Shares switch card architecture with five related multiplexer modules, enabling reconfigurable matrix systems through terminal block interchange. Programmable via SCPI commands.
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