Precision Power Source
California Instruments, USA, designs and manufactures controllable precision AC & DC Power Sources (both Voltage and Current) for Test and Measurement applications. California Instruments offers a wide selection of AC & DC power products and test systems with different features and capabilities at various power levels.

AC Power Source Variable voltage and frequency controlled precision AC power source products with remote control capabilities for single and three phase applications.	Frequency Converters Fixed output frequency and voltage converters to simulate world power anywhere.
DC Power Supplies Voltage controlled DC power for test and test and measurement applications with front panel and / or remote control capabilities.	Current Sources Precision AC Current controlled power sources with current output up to 200 Amps and synchronized voltage outputs.
Compliance Test Systems Complete Harmonics Flicker Immunity test systems IEC 61000-3-2, IEC 61000-3-3, IEC 61000-4-11.	IEC Test Solutions AC power source products and test systems for harmonics and flicker emission and immunity test applications.
AC Loads Programmable AC Loads with variable crest factor and power factor capabilities and programmable ballast lamp loads.	Custom Power Systems Power cabinet systems designed specifically to meet your requirements

Heinzinger Electronic, Germany has been a synonym for high quality and highly precise high current and voltage power supplies for more than 45 years. A wide range of diverse standard power supplies, for currents up to >10,000 Ampere or Voltages up to A wide range of diverse standard power supplies, for currents up to >10,000 Ampere or Voltages up to >300,000 Volt, is our platform for a high precision and application-oriented product range.

TOELLNER, Germany since 1972 has been offering compact, high precision low voltage, single and multi output DC power supplies.