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First simulator to emulate battery performance from full charge to total discharge

Tektronix has released the Keithley 2281S Battery Simulator and Precision DC Power Supply. The Keithley battery simulator is claimed to offer the industry’s first emulation of battery performance from full charge to total discharge using a battery model that includes state of charge, amp-hour capacity, equivalent series resistance, and open circuit voltage.

In contrast to battery simulators intended for manufacturing applications, the 2281S incorporates a 4.3in TFT display that shows voltage, current, amp-hour readings, source settings, and many additional settings. An icon-based main menu provides access to source setup, measurement setup, display formats, trigger options, and system settings.

The 2281S also functions as a high performance power supply with a maximum output of 20V and 6A. It is said to deliver measurement accuracies of 0.02% for voltage and 0.05% for current. Resolution of current measurements is as low as 10nA to measure very low sleep mode currents.

Tom Austin-Morgan

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Tektronix UK

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