FLUKE 412B Precision High Voltage Power Supply 2.1KV

( Brand: Fluke ), ( Part Type: Voltage Supply ), ( Manufacturer Part Number: 412B )

Review FLUKE Precision High Voltage Power Supply 2.1kv

The Fluke 412B is a vintage, high voltage power supply from Fluke, a leading manufacturer of precision test equipment. This particular model, with a production date dating back to the 1960s, showcases the exceptional craftsmanship and quality that Fluke is known for.

The Fluke 412B is designed to deliver precise and stable voltage outputs up to 2.1 kilovolts (kV), making it an ideal choice for a wide range of applications in the electronics industry, research labs, and educational institutions. Its heavy-duty construction includes a robust aluminum chassis, ensuring durability and reliability even under demanding conditions.

This power supply features a front panel with easily accessible voltage and current control knobs, providing quick and intuitive adjustments. The front panel also includes an ammeter and a voltmeter, allowing users to monitor the current and voltage outputs in real-time. These meters are calibrated with a high degree of precision, ensuring accurate readings.

The Fluke 412B also includes various safety features, including an interlock system that ensures the high voltage is only accessible when the protective doors are properly closed. It also features an output resistance of 50 ohms, which helps to minimize load disturbances and maintain stable output voltages.

The power supply's output is adjustable in both voltage and current, with a continuous output current rating of 100 milliamperes (mA) and a maximum output current of 2.5 amperes (A). It also includes a built-in overcurrent protection circuit, which automatically shuts off the output when the current limit is exceeded, ensuring the protection of both the power supply and the connected load.

In addition, the Fluke 412B offers various output waveforms, including DC, AC, and pulsed DC, providing versatility for different application requirements. The power supply also includes a remote control interface, allowing users to make adjustments from a distance, enhancing convenience and efficiency.

This vintage Fluke 412B power supply represents a unique and valuable addition to any test and measurement setup. Its precision, reliability, and durability, combined with its rich history and classic design, make it a highly sought-after piece of test equipment.

The Fluke 412B is a high voltage power supply from the 1960s with a maximum output voltage of 2.1kV. This vintage piece of equipment can be an attractive option for hobbyists, engineers, or technicians working on older electronic systems. Here are some pros and cons to help you decide if this power supply is a good purchase for your needs:

1. High Voltage Capability: The Fluke 412B can deliver up to 2.1kV, which is higher than many modern power supplies. This makes it suitable for working on high voltage circuits.

2. Durable Design: The power supply is built with high-quality components that were common in the 1960s. This means that it is robust and can withstand rough handling.

3. Retro Appeal: For collectors and vintage electronics enthusiasts, owning a piece of history like the Fluke 412B can be an exciting experience.

4. Cost-Effective: Compared to modern high voltage power supplies, the Fluke 412B can be a cost-effective option, especially if you can find it in good condition at a reasonable price.

1. Lack of Modern Features: The Fluke 412B does not have many of the features that are common in modern power supplies. For example, it does not have a digital display, and its controls are mostly manual.

2. Safety Concerns: Working with high voltage equipment can be dangerous, and the Fluke 412B is no exception. It is essential to take all necessary safety precautions when using this power supply.

3. Repair and Maintenance: The Fluke 412B is an older piece of equipment, which means that it may require more frequent maintenance and repair than a modern power supply.

4. Compatibility Issues: The Fluke 412B may not be compatible with modern test equipment or computers, which can limit its usefulness in a modern lab or workshop.

In conclusion, the Fluke 412B is a high voltage power supply with a rich history and unique appeal. It can be a cost-effective and durable option for those working on older electronic systems. However, it lacks modern features, and its use requires a good understanding of safety precautions and potential compatibility issues. Ultimately, whether or not the Fluke 412B is the right choice for you depends on your specific needs and budget. If you are comfortable working with older equipment and can address its limitations, then it may be a worthwhile investment. Otherwise, you may want to consider a modern high voltage power supply with more features and ease of use.

Details:

The unit was fully functional before being put safely away in storage. Ready for a new loving home.

part #: 412b prices

• $175.00-$320.00

specifications strialpower:

• brand: Fluke
• part type: Voltage Supply
• manufacturer part number: 412B

offer strialpower:

• availability: In Stock
• sold: 0
• best offers: True
• started: May 12, 2026
• options: Ship-to-home
• quantity: 1

returns strialpower:

• policy: No Returns

payments strialpower:

• credit card: Visa
• other
• wallet: Google-pay

seller strialpower:

• # reviews: 1396
• rating: 100.0%
• city: Mount Prospect, Illinois

shipping strialpower:

• carrier: FedEx
• class: Standard
• cost: $32.42
• type: Calculated
• transit: 3-8 Days
• service: FedEx Ground / FedEx Home Delivery

general strialpower:

• condition: For parts or not working
• Electrical Equipment Supplies > Power Supplies > Switching Mode Power Supplies

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