The Agilent/Keysight 34703A is a plug-in measurement module for the 34970A and 34972A data acquisition/switch mainframes. It delivers core electrical and temperature measurements with 6½ digits of resolution and 0.004% basic DCV accuracy, supporting automated test and data logging workflows that require precision and repeatability.
– Technical Specifications
Measurement Functions
• DC Voltage (DCV)
• AC Voltage (ACV)
• DC Current (DCA)
• AC Current (ACA)
• Resistance (2-wire and 4-wire)
• Frequency
• Temperature (thermocouples, RTDs, thermistors)
Measurement Ranges
• DC Voltage: 100 mV to 1000 V
• DC Current: 1 mA to 10 A
• Resistance: 100 Ω to 100 MΩ
Resolution & Accuracy
• 6½ digits (22 bits) of resolution with ultra-low reading noise
• Basic DCV accuracy: 0.004%
Scan Performance
• Up to 250 channels per second (via host mainframe)
– Key Features
The 34703A plugs directly into any of three available slots in the 34970A or 34972A mainframe, enabling mixed-function configurations. Its measurement suite covers voltage, current, resistance, frequency, and temperature sensing across industrial and laboratory ranges. Both hosting mainframes are SCPI-compliant and support multiple interface options: the 34970A provides GPIB (IEEE-488) and RS-232; the 34972A offers LAN, USB, and a Java-enabled web interface for remote control and monitoring.
– Typical Applications
Automated test systems, environmental chamber monitoring, component characterization, production data logging, and multi-point temperature acquisition where precise DC/AC measurements and flexible thermocouple/RTD support are required.
– Compatibility & Integration
The 34703A is fully interchangeable across both the 34970A and 34972A mainframes, maintaining measurement and wiring consistency. System configuration combines the 34703A with multiplexers, matrix switches, general-purpose switches, and other multifunction modules to build tailored data acquisition and switching solutions. Three plug-in slots per mainframe allow simultaneous deployment of multiple measurement and switching modules.
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