The 415B High Voltage Power Supply is an extremely stable source.
Output voltage 0 to 3100 VDC with output current of 0 to 30 mA
Voltage is set with four decade switches & a vernier potentiometer
Output polarity can be switched from the front panel
Stability is 0.005% per hour; 0.02% per day after warm-up
Ripple at full load is < 1 mV RMS
Adjustable over-current protection
