The Keysight (formerly Agilent / HP) 6813A is a high-performance programmable AC power source and analyzer designed for applications requiring precise AC/DC power generation and detailed measurement capabilities. It provides a complete AC test solution with a built-in arbitrary waveform generator, precise power analyzer, and transient generation system, making it ideal for testing consumer electronics, power supplies, and avionics.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488.2), RS-232
DisplayVacuum Fluorescent Display (VFD)

Physical

ParameterValue
Power Supply200 to 240 VAC, single-phase, 47 to 63 Hz
Operating Temperature0 to 40 °C
Dimensions (W×H×D)425.5 mm × 177.8 mm × 647.9 mm
Weight48.2

AC Output Specifications

ParameterValue
Maximum AC Power Rating1750 VA
Output Phase ConfigurationSingle-phase
AC Voltage Range (Low Range)0 to 135 Vrms
AC Voltage Range (High Range)0 to 270 Vrms
AC Voltage Resolution100 mV
AC Voltage Accuracy (Low Range)±(0.15% of output + 0.3 V) at 45 to 100 Hz
AC Voltage Accuracy (High Range)±(0.15% of output + 0.6 V) at 45 to 100 Hz
Maximum RMS Current (Low Range)13 A
Maximum RMS Current (High Range)6.5 A
Maximum Peak Current (Low Range)80 A
Maximum Peak Current (High Range)40 A
Frequency Range45 Hz to 1000 Hz
Frequency Resolution10 mHz (45.00 to 80.00 Hz), 100 mHz (80.1 to 1000.0 Hz)
Frequency Accuracy±0.01%
Total Harmonic Distortion (THD)< 1% (45 to 100 Hz), < 2% (100 to 1000 Hz)
Voltage Line Regulation0.1% of full scale
Voltage Load Regulation0.5% (45 to 100 Hz)

DC Output Specifications

ParameterValue
Maximum DC Power Rating1350 W
DC Voltage Range (Low Range)0 to ±180 V
DC Voltage Range (High Range)0 to ±360 V
DC Voltage Resolution100 mV
DC Voltage Accuracy (Low Range)±(0.1% of output + 0.5 V)
DC Voltage Accuracy (High Range)±(0.1% of output + 1.0 V)
Maximum DC Current (Low Range)10 A
Maximum DC Current (High Range)5 A
DC Ripple and Noise (RMS)2 Vrms (20 Hz to 10 MHz)

Measurement & Readback

ParameterValue
Voltage Measurement Range (Low Range)0 to 135 Vrms
Voltage Measurement Range (High Range)0 to 270 Vrms
Voltage Measurement Accuracy (Low Range)±(0.15% of reading + 0.3 V)
Voltage Measurement Accuracy (High Range)±(0.15% of reading + 0.6 V)
Current Measurement Range (Low Range)0 to 13 A (RMS)
Current Measurement Range (High Range)0 to 6.5 A (RMS)
Current Measurement Accuracy (Low Range)±(0.5% of reading + 0.03 A)
Current Measurement Accuracy (High Range)±(0.5% of reading + 0.02 A)
Active Power (W) Measurement Accuracy (Low Range)±(1.5% of reading + 5 W)
Active Power (W) Measurement Accuracy (High Range)±(1.5% of reading + 24 W)
Apparent Power (VA) Measurement Accuracy (Low Range)±(1.5% of reading + 5 VA)
Apparent Power (VA) Measurement Accuracy (High Range)±(1.5% of reading + 24 VA)
Power Factor Measurement Accuracy±0.05 (for current > 1 A)
Crest Factor Measurement Accuracy±5% (for current > 1 A)
Harmonic Analysis Capabilities1st to 50th harmonic of fundamental (45 to 75 Hz)

Transient & Waveform Generation

ParameterValue
Output Waveform TypesSine, Square, Clipped-Sine, Arbitrary
Transient Generation ModesStep, Pulse, List modes

Protection Features

ParameterValue
Overcurrent Protection (OCP) RangeProgrammable limit (shutdown or constant current)
Overtemperature Protection (OTP)Yes
Remote Sense Maximum Cable DropUp to 2 V drop per lead

Input Power Requirements

ParameterValue
Maximum Input Power3600 VA

System Interfaces & Software

ParameterValue
Command LanguageSCPI (Standard Commands for Programmable Instruments)

Physical & Environmental Specifications

ParameterValue
Rack Height Units (U)4U
Storage Temperature Range-40 °C to 75 °C
Cooling MethodForced-air cooling via internal fan

Input Power

ParameterValue
Input AC Voltage Options100 VAC / 120 VAC / 200 VAC / 208 VAC / 230 VAC / 240 VAC (option dependent)
Input Frequency Range48 Hz to 63 Hz

Output Isolation

ParameterValue
Maximum Float Voltage450 V peak (output terminals to chassis)

Analog Programming & Modulation

ParameterValue
External Analog Input Range±10 V peak full scale
External Analog Input Impedance100 kΩ nominal

Arbitrary Waveform Generation

ParameterValue
User-Defined Waveform Points1024 points
Arbitrary Waveform DAC Resolution12-bit

Measurements

ParameterValue
Peak Current Measurement Resolution0.1 A
RMS Voltage Measurement Resolution0.01 V
RMS Current Measurement Resolution0.001 A (low range), 0.01 A (high range)
Crest Factor Measurement Resolution0.1
Power Factor Measurement Range0.00 to 1.00
Power Factor Measurement Resolution0.01

Environmental

ParameterValue
Operating Humidity RangeUp to 95% RH (non-condensing)
Maximum Operating Altitude2000 m

System Settings

ParameterValue
Store/Recall States10 states (0 to 9)

Power Input

ParameterValue
Input Power Factor0.99 typical at full load

Measurement

ParameterValue
Total Harmonic Distortion (THD) Measurement Resolution0.1%
Phase Angle Measurement Range-180.0° to +180.0°
Phase Angle Measurement Resolution0.1°
Phase Angle Measurement Accuracy±1.5° (for fundamental frequency 45 Hz to 65 Hz)
Harmonic Analysis Range1st to 50th harmonic
Harmonic Amplitude Resolution0.01% of full scale
Harmonic Voltage Measurement Accuracy±(0.03% of full scale + 0.1% of reading) for 1st to 25th harmonic (with 45 Hz to 65 Hz fundamental)
Harmonic Current Measurement Accuracy±(0.3% of full scale + 0.6% of reading) for 1st to 25th harmonic (with 45 Hz to 65 Hz fundamental)
Reactive Power (var) Measurement Range1750 var

Output Specifications

ParameterValue
AC Output Voltage Temperature Coefficient0.04% / °C

I/O Ports

ParameterValue
Trigger Input Connector15-pin D-sub, TTL compatible
Trigger Output Connector15-pin D-sub, TTL compatible

Technology

Programmable Linear/Switching Hybrid AC Source

Applications

AC Power Testing, Power Supply Testing, Harmonic Analysis, Avionics Testing