The HP/Agilent 3497A is a modular data acquisition and control unit engineered for automated test systems and precision measurement applications. It accepts up to five plug-in assemblies in the mainframe, expandable to fifteen total slots with the optional HP 3498A Extender chassis. The unit features a front-panel keyboard and display, HP-IB (IEEE-488) interface for ATE integration, and a quartz-referenced non-volatile real-time clock supporting timing, elapsed time measurement, presettable interrupts, and programmable pulse train output.
Technical Specifications
• Mainframe Capacity: 5 plug-in assemblies
• Extender Capacity: 10 additional assemblies via HP 3498A (optional)
• Optional DVM: 5.5-digit integrating digital voltmeter and current source assembly
• DVM Measurement Resolution: 1 microvolt minimum
• Current Source: Programmable, supports four-terminal resistance measurements
• Multiplexer Assemblies: 3-wire (Hi, Lo, Guard) switching with thermal offset < 2 microvolts
• Real-Time Clock: Quartz-referenced, non-volatile; supports timing, elapsed time, presettable interrupts, and programmable pulse output
• Operating Temperature: 0°C to 55°C
• Non-Operating Temperature: -40°C to 75°C
• Humidity: Up to 95% at 40°C
• Power Input: 110, 120, 220, or 240 volts ±10%, 48–66 Hz, 150 VA (switch selectable)
• Dimensions (Mainframe): 190.5 mm H × 428.6 mm W × 520.7 mm D
• Net Weight (Mainframe): 20.4 kg with assemblies installed
• Shipping Weight (Mainframe): Up to 26.3 kg maximum
– Key Features
• HP-IB (IEEE-488) standard interface for seamless ATE integration
• Optional RS-232C interface availability
• Modular plug-in architecture for application-specific customization
• Thermocouple and strain gauge measurement capability via optional DVM
• Relay multiplexer assemblies with optional thermocouple compensation
– Typical Applications
• Automated data logging systems
• Multi-channel transducer measurement (thermocouples, strain gauges)
• Precision resistance measurement via four-terminal methodology
• Complex control and switching operations requiring multiple relay channels
– Compatibility & Integration
The 3497A integrates into automated test environments via HP-IB. Optional RS-232C connectivity supports serial communication. Modular design accommodates diverse measurement types through interchangeable plug-in assemblies.


















