The Keysight (formerly Agilent HP) 6038A is a reliable 240W autoranging system DC power supply designed for test system integrators who require a space-efficient and responsive power solution. Operating on the GPIB (HP-IB) interface, the 6038A offers precise voltage and current programing alongside full analog control capabilities in a compact 3U form factor.

Specifications

General

ParameterValue
InterfacesGPIB (IEEE-488), Analog/Resistance Control
DisplayDigital front-panel LED segment displays for voltage and current

Physical

ParameterValue
Power Supply120 VAC nominal (options for 100, 220, 240 VAC), 48-63 Hz, 450 VA max
Operating Temperature0°C to 55°C
Dimensions (W×H×D)425.5 mm × 132.6 mm × 503.7 mm
Weight9.6 kg
Cooling SystemForced-air cooling with internal fan (intake from front and sides, exhaust at rear)

Output Ratings

ParameterValue
Maximum Output Power240 W
Voltage Output Range0 to 60 V
Current Output Range0 to 10 A

Programming Accuracy

ParameterValue
Voltage Programming Accuracy0.035% + 40 mV
Current Programming Accuracy0.09% + 10 mA

Readback Accuracy

ParameterValue
Voltage Readback Accuracy0.07% + 50 mV
Current Readback Accuracy0.2% + 11 mA

Ripple & Noise

ParameterValue
Voltage Ripple and Noise (rms)3 mV
Voltage Ripple and Noise (peak-to-peak)30 mV
Current Ripple and Noise (rms)5 mA

Regulation (Load and Line)

ParameterValue
Voltage Load Regulation5 mV
Current Load Regulation10 mA
Voltage Line Regulation2 mV
Current Line Regulation5 mA

Programming Resolution

ParameterValue
Voltage Programming Resolution15 mV
Current Programming Resolution2.5 mA

Temperature Coefficient

ParameterValue
Voltage Temperature Coefficient0.007% + 0.4 mV per °C
Current Temperature Coefficient0.008% + 0.2 mA per °C

Transient Response

ParameterValue
Transient Recovery Time< 1 ms to recover to within 75 mV after a change from 90% to 100% (or 100% to 90%) of maximum rated current

Protection and Isolation Features

ParameterValue
Overvoltage Protection (OVP) Trip Range2 V to 64 V
Overvoltage Protection (OVP) Accuracy1.6 V
Maximum Isolation Voltage±240 VDC (output to ground)

Remote Sensing and Analog Programming

ParameterValue
Maximum Sense Compensation Voltage0.5 V per load lead
Analog Voltage Programming Range0 to 5 V or 0 to 10 V
Analog Resistance Programming Range0 to 4 kΩ or 0 to 8 kΩ

Physical Characteristics

ParameterValue
Rack Space3U
Shipping Weight11.4 kg

AC Input

ParameterValue
Input Voltage Options100 VAC / 120 VAC / 220 VAC / 240 VAC (factory configured or user switchable)
Input Frequency Range48 - 63 Hz
Maximum Input Current4.5 A @ 120 VAC / 5.0 A @ 100 VAC / 2.5 A @ 220 VAC / 2.2 A @ 240 VAC
Maximum Input Power450 VA / 350 W
Power Factor0.9 (typical)
Typical Efficiency70%

Programming Response Time

ParameterValue
Voltage Up-Programming Time (Full Load)15 ms
Voltage Up-Programming Time (No Load)15 ms
Voltage Down-Programming Time (Full Load)15 ms
Voltage Down-Programming Time (No Load)300 ms

Stability

ParameterValue
Voltage Drift (8 Hours)0.03% + 5 mV
Current Drift (8 Hours)0.03% + 3 mA

HP-IB (GPIB) Interface

ParameterValue
HP-IB IEEE-488 Interface CapabilitiesSH1, AH1, T6, L4, SR1, RL1, PP1, DC1, DT1, C0, E1

Environmental

ParameterValue
Storage Temperature Range-40 °C to +75 °C

Protection

ParameterValue
Overvoltage Protection (OVP) Resolution270 mV

Resolution

ParameterValue
Voltage Readback Resolution15 mV
Current Readback Resolution3.75 mA

Performance

ParameterValue
Command Processing Time15 ms (typical average time for output to begin to change after receipt of GPIB command)

Protection Features

ParameterValue
Overtemperature ProtectionAutomatic shutdown when internal temperature limits are exceeded
Reverse Voltage ProtectionProtected by internal diode across output terminals

Operational Capabilities

ParameterValue
Parallel OperationUp to 3 units in master/slave configuration
Series OperationUp to 2 units can be connected in series (within maximum isolation voltage limits)

Connectivity

ParameterValue
Rear Panel Output ConnectorsBarrier block with screw terminals

Technology

Autoranging DC Power Supply

Applications

Automated Test Equipment (ATE), laboratory bench power, design validation systems