The Agilent/HP 34903A is a 20-channel actuator and general-purpose switch module engineered for the 34970A and 34972A Data Acquisition/Switch Units. It delivers independent SPDT latching relay control with contacts rated to 300 V and 1 A, handling up to 50 W per channel. This module enables remote actuation of relays, solenoids, and external devices in automated test environments, offering fast switching at 120 channels/sec across all 20 channels.
Technical Specifications
• Channels: 20 independent SPDT latching relays (Form C)
• Switching Voltage (Max.): 300 V
• Switching Current (Max.): 1 A
• Power Handling (Max.): 50 W
• Bandwidth: 10 MHz
• Scanning Speed: 120 channels/sec
• Form Factor: Plug-in module for 34970A/34972A mainframe
– Key Features
• 20 Form C latching relay channels for stable hold without continuous power
• High-speed scanning enables rapid multi-channel sequencing
• Wide voltage and current rating suitable for power line and industrial switching
• Bandwidth support to 10 MHz accommodates RF and signal-level switching
• Direct integration with industry-standard 34970A/34972A platforms
– Typical Applications
• Automated relay and solenoid control in manufacturing test stands
• Power distribution and load switching in multi-channel systems
• Remote actuation of external devices in data acquisition workflows
• Signal routing and device sequencing in complex test setups
– Compatibility & Integration
Designed exclusively for Agilent/HP 34970A and 34972A mainframes. Ships with functional test certificate.
