TP-2303N, TP-2305N and TP-2503N are laboratory multi output linear DC power supply 30V 3A, 30V 5A and 50V 3A. They convert unregulated AC voltage from the mains by a toroidal transformer to regulated DC voltage at low noise and ripple, max 1mVrms and 3mArms.
The output voltage and current is adjustable by the course adjustment knob and fine adjustment knob on the front panel. The master output and the slave output can be operated in series or parallel tracking mode, where the output voltage is doubled in series mode and the output current is double in parallel mode.
The preset function allows users to set output voltage and current without open circuit or when output is OFF. After the laboratory multi output linear DC power supply is powered on, the DC output can be turned on or off conveniently by the output ON/OFF control switch without powering off the power supply.
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