主要特性与技术指标Output RatingsLow-range volts, amps: 0 to 20 V, 0 to 4 AHigh range volts, amps: 0 to 50 V, 0 to 2 AProgramming AccuracyVoltage: 50 mV, + 0.06%Current: 40 mA, + 0.16%Ripple & NoiseConstant voltage rms: 500 μVPeak-to-peak: 3 mVConstant current rms: 1 mAReadback AccuracyVoltage: 50 mV, + 0...