Keysight 34902A 16 Channel Reed Multiplexer Module

The Keysight 34902A Reed Multiplexer Module is a reliable and high-performance accessory designed for use with the Keysight 34970A Data Acquisition/Switch Unit. Featuring 16 channels that support both 2-wire and 4-wire measurements, this module delivers fast, low-resistance switching ideal for precision signal routing in a wide range of data acquisition tasks.

Equipped with high-quality reed relays, the 34902A offers excellent channel isolation and low contact resistance, ensuring accurate and repeatable measurements. Its compact form factor allows for easy integration into test setups in laboratories, industrial automation, or educational environments.

Key Specifications

• Measurement Types: Supports 2-wire and 4-wire configurations
• Channel Count: 16 channels
• Relay Type: Reed relays for fast and low-noise switching
• Max Switching Voltage: 300 VDC / 220 VAC
• Max Carry Current: 1 A
• Max Carry Power: 60 W
• Switching Speed: <10 ms (typical)
• Channel Isolation: >1000 VDC
• Temperature Measurement Support: Built-in thermocouple reference junction compensation
• Cold Junction Compensation: Included
• Modular Expansion: Stack multiple modules to increase channel count
• Compatibility: Fully compatible with the Keysight 34970A DAQ/Switch Unit

Features and Benefits

• Flexible Measurement Options: Ideal for resistance, voltage, temperature, and low-level current measurements
• Exceptional Accuracy: Low-contact resistance and high isolation prevent signal interference
• Compact & Scalable: Easily expand your measurement system without increasing footprint
• Reliable Performance: Rugged reed relays ensure long operational life and consistency
• Ease of Integration: Quick and simple setup into existing test environments