Agilent/Keysight 34506B

The Keysight U3606B is a dual-function benchtop instrument that combines a 5.5-digit digital multimeter with a 30 W DC power supply in a single compact unit. It delivers 120,000-count resolution and up to 0.025% basic DC voltage accuracy, enabling simultaneous measurement and power delivery for R&D, manufacturing, and service environments.

Technical Specifications

• Resolution: 120,000 counts (5.5 digits)


• Basic DC Voltage Accuracy: Up to 0.025%


• DC Voltage ranges: 1.00000 V, 10.0000 V, 100.000 V, 750.00 V


• AC Voltage ranges: 1.00000 V, 10.0000 V, 100.000 V, 750.00 V (reads to 847 V on 750 V range)


• AC Voltage accuracy specified for input > 5% of range (> 10% on 100 mV range); 0.003% of full scale per kHz for inputs < 10% of range


• Current ranges: 10.0000 mA, 100.000 mA, 1.00000 A, 3.0000 A


• AC/DC current measurements with frequency range 50 Hz (5½ digit resolution) and 225 Hz (4½ digit resolution)


• 2-wire and 4-wire resistance (4-wire milliohm measurement: 0.001 mΩ resolution)


• Frequency, continuity, diode test, and capacitance measurement


• Eight built-in math functions


• 20% over-range on all ranges except 750 Vac


• Operating temperature: 18 to 28 °C


• Calibration cycle: One year at 23 °C ± 2 °C


• Specifications valid after 60 minutes warm-up DC Power Supply


• Output power: 30 W maximum


• Voltage/current outputs: 30 V / 1 A; 8 V / 3 A; 1000 mV / 3 A; 100 mA / 30 V


• Line/load regulation: Up to 0.01% + 3 mV


• Over-voltage and over-current protection


• Sweep functions: Up to 100 scan steps, up to 10,000 ramp steps (programmable to 105% of full scale)


• Square-wave output: Selectable frequencies to 4.8 kHz with variable duty cycle and amplitude

Key Features

• Compact one-box form factor - lightweight and portable


• USB 2.0 and GPIB connectivity for remote operation


• Kensington security lock slot


• Multi-level DC bias testing via programmable sweep functions


• PWM and synchronous clock generation via square-wave output

Typical Applications

• Component and circuit characterization in R&D environments


• Production test and burn-in operations


• Field service and troubleshooting


• Precision DC power delivery with simultaneous monitoring

Compatibility & Integration USB 2.0 and GPIB interfaces enable integration into automated test systems and direct connection to host computers.