A floating high voltage power source useful for supplying charge for quantitative electrostatic experiments, gas discharge tubes needing a filament supply and spectrum tubes. Continuously variable output up to 5kV. Positive or negative terminal may be safely connected to earth and / or one side of the filament.

- 6V/1A AC or 12V/0.5A AC fi lament heating supply, insulated for EHT voltages.
- A rotary control knob provided on the front panel adjusts the EHT output. Non-hazardous maximum load capacity of 3mA (short circuit current). Analogue moving coil meter.
- All outputs via clearly marked 4mm shielded sockets.
- Both input and output fuse protected.
- Two part aluminium extrusion case with insulated plastic side supports.
- Indicator type ON/OFF switch supplied complete with detachable mains lead.