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B&K Precision 8502B

The 8500B Series programmable DC electronic loads improve upon all aspects of its predecessor while maintaining dependability at a value price. This series supports both SCPI and the backwards compatible legacy protocol, and includes a TTL to USB interface adapter for easy system integration.


With a transient mode speed of up to 10 kHz and multi-type input terminals for banana plug or spade connectors, these DC loads are suitable for testing and evaluating DC power supplies, DC-DC converters, batteries, battery chargers, and photovoltaic arrays.



  • Maximum input power up to 600 W

  • CC/CV/CR/CW operating modes

  • Transient mode up to 10 kHz in CC mode

  • 16-bit voltage and current measurement system with up to 0.1 mV / 0.1 mA resolution

  • List mode and adjustable slew rate in CC mode

  • Short circuit test

  • Built-in battery test function with voltage level, capacity level, and timer stop conditions

  • CR-LED mode to simulate the loading behavior of typical LEDs

  • Remote voltage sensing to compensate for the effect of voltage drop in wires

  • Analog current control and monitoring

  • TTL (DB9) interface, includes TTL to USB adapter

  • OVP/OCP/OPP/OTP and local/remote reverse voltage (LRV/RRV) protection

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