This listing is for a Fluke Model 412B High Voltage Power Supply. This unit has been tested and is operational. It’s capable of delivering adjustable output voltage from 0 to 21,000 volts and includes both positive and negative polarity settings.

This is a tube-based high voltage power supply, as seen through the ventilation slots (glow visible when in use). It was manufactured by John Fluke Mfg. Co. Inc. and is wired for 115 VAC input.

Features:

• Adjustable output voltage: 0 to 21kV

• Polarity selector (+ / -)

• 3-stage voltage adjustment dials (coarse, medium, fine)

• Standby/Reset and High Voltage toggle switches

• Analog kilovolt meter display

• Built-in indicator lights (Power On, Standby)

• Tube-based design

• Rear HV output connector

• Rackmount or benchtop form factor

Condition:

• Used, in good working condition

• Lights up and delivers high voltage

• Front panel, knobs, and indicators in solid condition

• Rear has a “Wired for 115 VAC” label and HV output terminal

• Some cosmetic wear from age and use (see photos)

• Marked “MEYER” on one side

• Tubes glow when powered on (see photos)

CAUTION: This is a high-voltage device capable of producing lethal voltages. Operate only if you are qualified to work with high-voltage electronics.

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Specifications:

• Model: 412B

• Manufacturer: John Fluke Mfg. Co. Inc.

• Output Voltage: 0–21 kV (adjustable)

• Input Voltage: 115 VAC

• Output Polarity: Switchable (+/-)

• Weight: Approx. 30 lbs

• Dimensions: 19" wide x 5.25" high x 13" deep (3U rackmount size)

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Shipping:
Will be securely packed and shipped via UPS Ground, USPS, or FedEx. Local pickup in Seattle is also available.