DC Power Supply 72V/1.5A. With 36 months manufacturer´s warranty. The Tektronix PWS2721 is a DC Power Supply of the PWS2000 series. PWS2000 series: Key performance specifications: Linear regulation Up to 72 V output voltage 0.05% basic voltage accuracy 0.2% basic current accuracy 10 mV / 10 mA programming resolution Less than 3 mVp-p ripple and noise Available functions and features: Display: bright, vacuum fluorescent Memory: 20 user-defined setups Direct parameter entry using numeric keypad Vary voltage or current in user-selectable steps PWS2721: DC output rates: Voltage: 0 to 72 V Current: 0 to 1.5 A Load regulation: Voltage: <= 0.02% + 4 mV Current: <= 0.1% + 2 mA typ. Line regulation: Voltage: <= 0.1% + 5 mV Current: <= 0.1% +2 mA typ. Ripple and noise (20 Hz to 7 MHz): Voltage: <= 1 mV rms / 3 mV pp Current: <= 5 mA rms Setting resolution: Voltage: 10 mV Current: 10 mA Setting accuracy: Voltage:<= 0.05% + 10 mV Current: <= 0.2% + 10 mA Memory: 20 setups Power source: 110 V AC setting: 99 V rms to 132 V rms 220 V AC setting: 198V rms to 264 V rms Frequency range: 47 Hz - 63 Hz Power consumption: 350 VA Dimension (HxWxD): 4.15 x 9.52 x 15.12 inch (with boots and handle) 3.57 x 8.55 x 14.24 inch (without boots and handle) Weight: 6.7 kg / 14.8 lb