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1. Keysight Technologies
Keysight Technologies is a trusted global company that started from Hewlett-Packard more than 80 years ago. They make advanced testing tools, including precise Source measure unit(SMUs) that can supply and measure voltage and current at the same time. Their products are known for very low noise, high accuracy, and strong performance in laboratories and production testing.
Why choose them:They are known for stable and reliable instruments that give exact and repeatable measurements for serious research and industry use.
Address: eNGN Technologies, Rua Fernando Namora 4, 3A, Colinas do Cruzeiro, Odivelas 2675-487, Portugal
2. Keithley Instruments (Tektronix)
Keithley is an American company with over 70 years of experience making precision measuring equipment. They created the famous “SourceMeter” units that combine voltage and current sourcing with fine measurement. Their SMUs are designed for testing electronics, dc electronic loads, semiconductors, and materials that need accurate, low-level readings.
Why choose them:Keithley’s SMUs are trusted worldwide for their accuracy and simple operation, making them a top choice for lab testing and product development.
Address: Farnell Portugal (element14 Distributor), Lisbon Region, Portugal
3. Rohde & Schwarz Portugal Lda.
Rohde & Schwarz is a German company with almost 90 years of history in electronic testing and measuring tools. Their SMUs are made with strong German engineering and deliver stable output with very low electrical noise. The company’s Lisbon branch provides local support and calibration to ensure top product performance.
Why choose them:They offer long-lasting and carefully built equipment that works perfectly for sensitive measurements and research testing.
Address: Rohde & Schwarz Portugal Lda, Linda-a-Velha, Lisbon Region, Portugal
4. Yokogawa Electric Corporation
Yokogawa is a Japanese company with more than 100 years of experience in producing electrical high voltage dc power supply and industrial instruments. Their SMUs are known for their excellent stability and accurate performance even during long testing hours. Yokogawa products are built with strong materials and are made to last for many years of daily use.
Why choose them:They make reliable and durable instruments that deliver consistent readings, perfect for laboratories and production lines.
Address: MRA Instrumentação / Grupo Álava, Taguspark, Porto Salvo, Oeiras, Portugal
5. Chroma ATE Inc.
Chroma ATE is a Taiwanese company founded in 1984 that makes high-quality testing systems for power, battery simulator, and semiconductor applications. Their SMUs and power testers are built with modern designs, giving accurate current and voltage control for both high- and low-power tests. Each product is tested carefully to ensure safety, precision, and reliability in any lab or factory.
Why choose them:They offer powerful and flexible testing equipment with advanced control features, perfect for research and industrial use.
Address: eNGN Technologies, Rua Fernando Namora 4, 3A, Odivelas 2675-487, Portugal
