The California Instruments 1501L is a high-precision, linear programmable AC power source. Delivering up to 1500 VA of clean, low-distortion single-phase power over a wide frequency range from 45 Hz to 5000 Hz, this unit is designed for laboratory, aerospace, and ATE applications requiring exceptionally stable power stimulation with minimal electrical noise.

Specifications

General

ParameterValue
InterfacesGPIB / IEEE-488 (available with optional digital controller)
DisplayAnalog or digital meters (dependent on the installed oscillator/controller option)

Physical

ParameterValue
Power Supply115 VAC / 208 VAC / 230 VAC (±10%, factory configured), single-phase, 47 - 63 Hz
Operating Temperature0°C to 45°C
Dimensions (W×H×D)483 mm × 178 mm × 559 mm
Weight52.2 kg

AC Output Specifications

ParameterValue
Maximum AC Power Rating1500 VA
Output Phase ConfigurationSingle-phase
AC Voltage Ranges0 - 135 V RMS / 0 - 270 V RMS
Maximum RMS Current (Low Range)11.1 A RMS
Maximum RMS Current (High Range)5.5 A RMS
Frequency Range45 Hz - 5000 Hz
Total Harmonic Distortion (THD)< 0.5% (from 45 Hz to 2000 Hz)
Voltage Line Regulation±0.1% of full scale for a ±10% line change
Voltage Load Regulation±0.25% from no load to full load (with external sensing)
Amplitude Stability±0.05% over 24 hours at constant load and temperature

Protection Features

ParameterValue
Current Protection FeaturesAutomatic current limiting protection
Thermal ProtectionAutomatic over-temperature shutdown
Output Isolation VoltageFully isolated floating output

Input Power Requirements

ParameterValue
Input Phase ConfigurationSingle-phase
Input Frequency Range47 Hz - 63 Hz

Physical & Environmental Specifications

ParameterValue
Rack Height Units (U)4U

Output Ratings

ParameterValue
Maximum Peak Current (Low Range)36 A
Maximum Peak Current (High Range)18 A
Load Power Factor Range0 to 1 (leading or lagging)

Output Specifications

ParameterValue
Output TypeAC (DC output available with option -DC)

Control & Input

ParameterValue
External Input Sensitivity5 Vrms (for full rated output)
External Input Impedance10 kΩ

Amplifier Specifications

ParameterValue
Small Signal Bandwidth10 Hz - 50 kHz

Output Performance

ParameterValue
Voltage Programming Resolution0.1 V
Voltage Programming Accuracy±0.5 V (135 V range), ±1.0 V (270 V range)
Frequency Programming Accuracy±0.1%

Sense

ParameterValue
Remote Sense Line Drop CompensationUp to 5 V RMS per line

Environmental

ParameterValue
Operating Humidity0 to 95% non-condensing

Technology

Linear AC Power Source

Applications

Avionics testing, frequency conversion, high-precision laboratory utility power, and automated test equipment (ATE)