UniSource UNI PS-3030DU dual output dc power supply features: Noise free output for servicing RF equipment; Energy saver design allows cooler operation at all output levels for better stability and operating life; Excellent line and load regulation characteristics; Fully isolated outputs for series or parallel operation; Coarse and Fine voltage controls; Each output has two 3 digit LED read-outs for monitoring voltage and current; Front Panel LEDs indicate constant voltage or constant current operation and overload condition. Supplied by Unisource Corporation