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The PLZ-3W Series are composed of system electronic loads used either in characteristic or lifetime tests of a variety of DC voltage sources such as switching power supplies and primary and secondary batteries, or as burn in loads. Instruments in the PLZ Series have four operation modes: "constant current", "constant resistance", "constant voltage", and "constant power". They are also available in four different power ratings, 150 W, 300 W, 600 W, and 1000 W, with a total of eight models available overall. Incorporating a high-performance current control circuit, all instruments provide highly stable, high-speed operation and offer improved operability and multi-functionality through the use of CPU control. These features allow them to simulate actual load tests of power supply units having large transitional changes in their output currents, such as printers and motors. In the constant power mode, these instruments deliver performance in carrying out load tests on alkaline and other types of batteries.
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Constant power mode useful for battery discharge tests
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Setting of various conditions Variable rise/fall time function
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Sequence function that allows complicated current simulations
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Setup function and backup memories
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Remote sensing that compensates precisely for set values
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Trigger signal output useful for waveform monitoring
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Three-memory function and switching function
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Soft-start function that suppresses output voltage distortion
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Short-circuit function that allows instantaneous setting of the maximum current
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Parallel operations that offer increased current and power capacities
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