our brand portfolio

Located in San Diego USA, AMETEK Programmable Power boasts one of the industries' broadest portfolios of programmable power products under the well-known and respected Sorensen, Elgar, California Instruments and AMREL brands. AMETEK's programmable power supplies and power sources serve a wide range of stimulus (T&M) and process power needs in applications including semiconductor fabrication, commercial and defence ATE, oil exploration, solar array and battery string simulation, avionics, general R&D and EMC compliance testing.

AMREL boasts the award winning eLOAD line of Air and Water-cooled Electronic Loads up to 200kW+, 5000ADC and 1200VDC ratings. Electronic loads have found a variety of applications ranging from power converter testing to current modulation. A large range of power sources can be tested using an electronic load from converters, inverters and UPSs to electrochemical sources such as batteries and fuel cells. In 2010, American Reliance's Power Division (AMREL Power) was acquired by AMETEK Programmable Power.

California Instruments manufactures class leading AC programmable power sources, AC power supplies, AC power sources and AC compliance testing ranging from 800VA to 480kVA. The voltage ranges from 0V to 600V and the current ranges from 0A to 1,500A. California Instrument AC power sources are used for compliance test systems, rack-mounted industrial power subsystems, R&D, test and measurement, avionics testing, inverter testing, arbitrary waveform generation, bulk power and power conditioning applications across a wide variety of industrial segments. California Instruments was acquired by AMETEK Programmable Power in 2007.

Established in 1965, Elgar manufactures class leading AC programmable power sources, AC power supplies, AC power sources and AC compliance testing ranging from 800VA to 480kVA. The voltage ranges from 0V to 600V and the current ranges from 0A to 1500A. AC power supplies are used in R&D, test and measurement, avionics and inverter testing, arbitrary waveform generation, bulk power and power conditioning applications across a wide variety of industrial segments. Elgar Electronics Corporation was acquired by AMETEK Programmable Power in 2008.

Enjoying a global reputation for reliability & affordability, GW Instek has been dedicated to the development of cost-effective solutions for the electronics test and measurement industry since 1975 and are sold to more than 80 countries worldwide. GW Instek have more than 300 product lines, ranging from oscilloscopes, spectrum analysers, signal sources, basic test & measurement instruments to other safety & monitoring systems. With durable quality, affordable prices and great performance, GW Instek has become one of the most trusted brands in the world.

Sorensen manufactures class leading DC programmable power supplies, DC linear power supplies, DC benchtop power supplies and DC modular power supplies ranging from 30W to 150kW. The voltage range is 5V to 1,000V and the current range is 1A to 8,000A. Sorensen DC power sources are used in R&D, test and measurement, process control, power bus simulation, power conditioning applications, avionics testing, inverter testing, arbitrary waveform generation, bulk power and power conditioning applications across a wide variety of industrial segments. Sorensen was acquired by AMETEK Programmable Power in 2006.

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When purchasing a power supply, the first choice to be made is linear supply or switching supply. Linear power supplies offer low ripple and noise specifications and have fast transient behavior. However they are inefficient and generate a lot of heat. They are also quite heavy. As a result most engineers prefer linear power supplies for low power applications. Using switching power supplies is a better choice for higher output power or multichannel applications. They provide higher power density. Switching power supplies are easier to control than linear supplies and cost about the same per channel.

DC output voltage slew rate is a rise or fall time. DC programmable power supplies have output filters that use large capacitors that store a lot of energy. It’s mainly the charge and discharge time of this filter, combined with the current demand of the DUT, which determine a supply’s voltage slew rate. The voltage slew rate is mostly independent of the connected EUT.

Stability is a measure of a supply’s long term output voltage or current drift. Stability is primarily specified in parts per million or ppm.

If more output current is required then paralleling power supply outputs is generally the solution. Ametek Programmable Power uses a dedicated control bus to connect its power supplies in parallel. The system configures itself automatically, identifying which unit is the master and which units are the slaves.

If more output voltage is required then connecting power supplies outputs in series is generally the solution. All you have to do is to connect the positive terminal of one supply to the negative of another. The limitation is that when operated in series, there are no master and slave units. Individual power supplies has to be programmed.

Upgrading to the Asterion power supply system has given us significant more testing capability and flexibility. It has been a wise investment. Thank you for your advice and support.

Margaret Smith

TEST LABORATORY SENIOR ANALYST AT UNIVERSITY OF NSW

Buying the MX45 California Instruments power source has given us enhanced testing capabilities. We have the SNK option, which is a bidirectional sink option. We are now able to simulate all grid conditions in our lab environment up to 45kVA. For me, reliability is important and I’m happy to say that we have been using this device for many years without any issues.

Keith Boydell

RESEARCH FELLOW AT UNIVERSITY OF WOLLONGONG

We have several Sorensen power supplies in our lab and they are the lowest output noise power supply we have experienced. For any critical research project where output noise and line/load regulations are important, we use only Sorensen power supplies.

Annette Eskdale

TEST LABORATORY MANAGER AT MONASH UNIVERSITY

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