The Tekpower Model TP1503C DC Power Supply is high quality,linear general-purpose DC Power sources. The power supply provides 0-15 volts dc output. The current output of Model TP1503C is 0-3 amps with excellent current stability and meter resolution. Input Voltage: 110/60Hz; Power effect: CV<0.01%+1mV, CC<0.2% + 1mA; Overload effect: CV<0.01% +3mV, CC<0.2% +3mA; Waves and noises: CV<0.5mV r.m.s, CC 3mA, r.m.s; Ripple & Noise: <1mV rms(I>3A), CV<0.5mV rms(I <3A); Environmental: 0 - 102 F (0 -40 C), relative humidity: <90%.