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Compact bench DC power supply with 1–300V and 1–400mA output, suitable for precision lab applications.
ATTO AE-8135 My Power II 300 is a compact benchtop DC power supply designed for precise laboratory voltage and current regulation. Featuring constant voltage, constant current, and crossover functionality, it delivers outputs from 1–300 V with up to 400 mA current and a maximum power of 50 W. The unit employs a high-frequency switching crossover circuit for stable performance. Settings are input via a rotary encoder with fine resolution: 1 V steps for voltage and 1 mA steps for current adjustment, supporting a versatile range needed in biotechnology equipment testing, molecular diagnostics research, and bioprocessing instrumentation calibration.
Equipped with a programmable timer (1–999 min) and selectable end alarm, the device allows for controlled experimental workflows. The LED display panel shows real-time voltage, current, and timer data alongside mode and output status indicators, critical for accurate monitoring. Safety features include effective output short/open detection with automatic shutdown and error signaling. An automatic power failure recovery system retains continuity in timed operations. Designed for use in controlled environments (1–35°C, humidity below 90%), it connects via an AC 100–115 V input consuming 70 VA.
Its compact size (7.4 × 17 × 17 cm) and lightweight (0.74 kg) build make it ideal for space-limited labs involved in synthetic biology, gene editing instrument development, and biomanufacturing quality control. This used unit is sold as-is and may not perform at new-product specifications but remains a reliable bench power source for precision applications requiring stable, adjustable DC supply.
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With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 19 October 2026
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