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Multi-Tracer Description: The Daystar Multi-Tracer is an electronic load that independently controls the operating point, and dissipates the power from connected PV modules Features include:

• Peak-power or preset voltage control of up to 16 PV modules
• Accurate I-V curve measurements
• Voltage, current, irradiance and temperature values are saved for each module
• Eight auxiliary analog voltage inputs
• Twenty-four thermocouples available; more may be ordered
• Mating connectors for module inputs and thermocouples are provided
• Connect with ethernet
• Use common browser software to control unit and access data
• Four wire voltage measurements
• Positive or negative module ground may be specified.

The customer may specify how the power is distributed between the channels of the Multi-Tracer. For example, the RD-3200 could be specified with sixteen 200 Watt channels, or eight 400 Watt channels, or other configurations as long as the total power is not exceeded.

The Multi-Tracers dissipate the total module power so they must be located in a well-ventilated or cooled enclosure. Fan noise may be an issue at full load. They should be located as close to the test modules as practical. The Multi-Tracer is a laboratory instrument designed to fit a standard 19-inch equipment rack. Complete documentation is provided with each unit. A copy of the manual may be downloaded here.


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