The Keysight 6812A (formerly Agilent HP) is a highly integrated, single-phase programmable AC power source and analyzer with a power rating of 750 VA. This instrument functions as a clean AC source, a powerful DC source, an arbitrary waveform generator, and a high-accuracy harmonic analyzer, making it ideal for testing consumer electronics, avionics, and power conversion devices.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), RS-232 |
| Display | Vacuum Fluorescent Display (VFD) with multi-character measurement and menu readouts |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 / 115 / 200 / 230 VAC (±10%, option dependent), single-phase, 47 to 63 Hz, 1600 VA max |
| Operating Temperature | 0 to 40 °C |
| Dimensions (W×H×D) | 425.5 mm × 132.6 mm × 525.8 mm |
| Weight | 28.2 |
AC Output Specifications
| Parameter | Value |
|---|---|
| Maximum AC Power Rating | 750 VA |
| Output Phase Configuration | Single-Phase (1 Phase) |
| AC Voltage Ranges | 0 to 135 V rms (Low Range), 0 to 300 V rms (High Range) |
| AC Voltage Resolution | 100 mV |
| AC Voltage Programming Accuracy | ±(0.15% of output + 0.3 V) on 135 V range, ±(0.15% of output + 0.6 V) on 300 V range |
| Maximum RMS Current (Low Range) | 6.5 A (at ≤ 115 V rms) |
| Maximum RMS Current (High Range) | 3.25 A (at ≤ 230 V rms) |
| Maximum Peak Current | 40.0 A (Low Range), 20.0 A (High Range) |
| Frequency Range | 45 Hz to 1000 Hz |
| Frequency Resolution | 0.01 Hz (from 45.00 Hz to 99.99 Hz), 0.1 Hz (from 100.0 Hz to 999.9 Hz) |
| Frequency Programming Accuracy | ±0.01% of programmed frequency |
| Total Harmonic Distortion (THD) | < 1% (45 Hz to 1000 Hz), < 0.5% (45 Hz to 100 Hz) into a full resistive load |
| Voltage Line Regulation | 0.1% of full scale |
| Voltage Load Regulation | 0.1% of full scale (with remote sensing active, 45 to 100 Hz) |
| Crest Factor Limit | 6.0 maximum |
DC Output Specifications
| Parameter | Value |
|---|---|
| Maximum DC Power Rating | 575 W |
| DC Voltage Ranges | 0 to ±190 V DC (Low Range), 0 to ±425 V DC (High Range) |
| DC Voltage Resolution | 100 mV |
| DC Voltage Programming Accuracy | ±(0.1% of output + 0.5 V) on 190 V range, ±(0.1% of output + 1.0 V) on 425 V range |
| Maximum DC Current (Low Range) | 5.0 A |
| Maximum DC Current (High Range) | 2.5 A |
| DC Voltage Line Regulation | 0.1% of full scale |
| DC Voltage Load Regulation | 0.5% of full scale |
Measurement & Readback
| Parameter | Value |
|---|---|
| RMS Voltage Measurement Accuracy (45 Hz - 100 Hz) | ±(0.03% of reading + 0.1 V) on 135 V range, ±(0.03% of reading + 0.25 V) on 300 V range |
| RMS Voltage Measurement Accuracy (100 Hz - 1000 Hz) | ±(0.12% of reading + 0.2 V) on 135 V range, ±(0.12% of reading + 0.5 V) on 300 V range |
| DC Voltage Measurement Accuracy | ±(0.05% of reading + 0.15 V) on 190 V range, ±(0.05% of reading + 0.35 V) on 425 V range |
| RMS Current Measurement Ranges | 0 to 1.0 A (Low Range), 0 to 10.0 A (High Range) |
| RMS Current Measurement Accuracy (45 Hz - 100 Hz) | ±(0.05% of reading + 2 mA) on Low Range, ±(0.1% of reading + 10 mA) on High Range |
| Harmonic Analysis Capabilities | Fundamental to 50th harmonic (for fundamentals between 45 Hz and 75 Hz) |
Transient & Waveform Generation
| Parameter | Value |
|---|---|
| Output Waveform Types | Sine, Square, Clipped-Sine, Arbitrary (user-defined) |
| Arbitrary Waveform Resolution | 4096 points per waveform cycle (12-bit vertical resolution) |
| Programming Modes | List, Step, and Pulse modes for transient sweeps of voltage, frequency, and phase |
Protection Features
| Parameter | Value |
|---|---|
| Overcurrent Protection (OCP) | Current limit setting with optional latching shutdown |
| Overtemperature Protection (OTP) | Automatic overtemperature shutdown with error reporting |
| Overvoltage Protection (OVP) | Electronic overvoltage shutdown protection |
Input Power Requirements
| Parameter | Value |
|---|---|
| Input Phase Configuration | Single-phase, 2-wire with ground |
| Maximum Input Current | 15 A rms @ 120 VAC / 7.5 A rms @ 240 VAC |
| Inrush Current Limit | 40 A peak maximum |
Physical & Environmental
| Parameter | Value |
|---|---|
| Rack Height Units | 3 U |
| Storage Temperature Range | -40 °C to 75 °C |
| Cooling Method | Forced air cooling with internal fan, rear-panel exhaust |
System Interfaces & Software
| Parameter | Value |
|---|---|
| Command Set | SCPI (Standard Commands for Programmable Instruments) |
| Analog Programming Interface | Provides analog inputs for external programming and monitor outputs for voltage/current waveforms |
Output Performance
| Parameter | Value |
|---|---|
| Start Phase Angle Range | 0.0° to 359.9° |
| Start Phase Angle Resolution | 0.1° |
| Start Phase Angle Accuracy | ±1.5° (45 Hz to 100 Hz) |
| DC Ripple and Noise (PARD) | 100 mV RMS, 350 mV peak-to-peak (20 Hz to 20 MHz) |
| AC Voltage DC Offset | < 20 mV (135 V range), < 50 mV (270 V range) |
Measurements
| Parameter | Value |
|---|---|
| Power Factor Measurement Range | 0.00 to 1.00 |
| Crest Factor Measurement Range | 1.00 to 99.99 |
| Power Factor Measurement Accuracy | ±0.05 (for current > 10% of range) |
| Crest Factor Measurement Accuracy | ±5% (for current > 10% of range) |
Outputs
| Parameter | Value |
|---|---|
| Output Isolation | ±300 V (AC or DC) relative to chassis ground |
| Remote Sense Capability | Up to 2 V drop per load lead |
Power Input
| Parameter | Value |
|---|---|
| Input Frequency Range | 47 Hz to 63 Hz |
Measurement Resolution
| Parameter | Value |
|---|---|
| RMS Voltage Measurement Resolution | 100 mV |
| RMS Current Measurement Resolution (Low Range) | 1 mA |
| RMS Current Measurement Resolution (High Range) | 10 mA |
| Active Power Measurement Resolution (Low Range) | 0.1 W |
| Active Power Measurement Resolution (High Range) | 1 W |
| Apparent Power Measurement Resolution (Low Range) | 0.1 VA |
| Apparent Power Measurement Resolution (High Range) | 1 VA |
| Frequency Measurement Resolution | 10 mHz |
| Power Factor Measurement Resolution | 0.01 |
System & Control
| Parameter | Value |
|---|---|
| Non-Volatile State Storage | 10 states |
| Arbitrary Waveform Storage | 4 user-defined waveforms |
| Trigger Inputs and Outputs | BNC connectors, TTL compatible |
| System I/O Connector | 25-pin D-sub (analog control and status) |
Transient Generation
| Parameter | Value |
|---|---|
| Transient List Size | Up to 100 steps |
| Transient Step Duration Range | 0.1 ms to 41.7 s |
| Transient Step Duration Resolution | 0.1 ms |
Harmonic Measurements
| Parameter | Value |
|---|---|
| Harmonic Analysis Range | Up to 50th harmonic |
Programming Performance
| Parameter | Value |
|---|---|
| AC Voltage Programming Temperature Coefficient | 0.02% per °C + 20 mV/°C (low range) / 0.02% per °C + 40 mV/°C (high range) |
| DC Voltage Programming Temperature Coefficient | 0.02% per °C + 20 mV/°C (low range) / 0.02% per °C + 40 mV/°C (high range) |
Measurement Accuracy
| Parameter | Value |
|---|---|
| Peak Current Measurement Accuracy | ± (2% of reading + 0.6 A) |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 2000 m |
| Operating Humidity | Up to 95% RH (non-condensing) |
Technology
Programmable Linear AC/DC Power Source / Analyzer
Applications
Power compliance testing, avionics power simulation, grid disturbance simulation, harmonic and transient analysis