HP / Agilent 6920B METER CALIBRATOR

The HP/Agilent 6920B Meter Calibrator is a precision feedback-regulated power source engineered to deliver calibrated AC and DC voltage and current outputs for verification and calibration of analog and digital meters. Designed for deployment in calibration laboratories, quality control departments, and electronic repair facilities, this portable instrument provides traceable measurement standards without requiring permanent installation.

Technical Specifications

• Ten continuously variable DC voltage ranges: 1 V to 1000 V


• Ten continuously variable DC current ranges: 100 µA to 5 A full scale


• Ten continuously variable AC voltage ranges: 1 V to 1000 V


• Ten continuously variable AC current ranges: 100 µA to 5 A full scale (100 µA AC range not calibrated) Accuracy


• DC: 0.2% of output + 1 digit


• AC: 0.4% of output + 1 digit


• Line regulation maintained across 105 to 125 VAC input


• Specifications achieved after 1-hour warm-up in static environments Output Impedance


• DC 1 V range: <0.0005 Ω


• AC 1 V range: 500 MΩ


• Other DC ranges: accuracy maintained across rated load capability Power Delivery


• AC power output: 2.5 W to 10 W depending on range


• Load power factor (AC): 0.9 to 1.0

Key Features

• Dual-polarity output terminals; negative terminal grounded to chassis in voltage ranges


• Current ranges operate with floating loads (neither terminal internally grounded)


• Voltage ranges short-circuit protected; current ranges open-circuit protected


• Operating temperature range: 0° to 50°C


• Input: 105–125 VAC, single-phase, 58–62 Hz

Typical Applications Multimeter and analog instrument calibration; meter verification in quality assurance; precision current and voltage standard applications; maintenance calibration in service facilities.

Compatibility & Integration Output connectors accommodate standard meter leads. Historical documentation available from service archives; original operating and service manuals date to 1965–1967.