Fluke PRV240FS Proving Unit, 240 V AC/DC, CAT IV 600 V, Black Red Yellow 4910310

Electricians verifying the absence of voltage before maintenance on industrial control panels need a reliable way to confirm their testers are functioning correctly. The Fluke PRV240FS Proving Unit delivers a stable 240 V AC/DC source to validate two-pole voltage and continuity testers, as well as digital multimeters and clamp meters, ensuring compliance with safe work practices. Its compact, pocket-sized design with black, red, and yellow housing makes it easy to carry to any job site.

Key specifications

• Output voltage: 240 V AC/DC
• Output current: less than 3 mA for safe testing
• Safety rating: CAT IV 600 V, CAT III 1000 V
• Compliance: IEC/EN 61010-1, 61010-2-030, 61010-031
• Power source: 4 x AA batteries (included)
• Battery life: approximately 5,000 tests
• Operating temperature: -10 °C to 50 °C
• Storage temperature: -20 °C to 60 °C
• Operating humidity: 0% to 95% non-condensing
• Operating altitude: up to 2,000 m
• Auto-off: after 5 minutes of inactivity
• Test cycle duration: 1 second
• Indicators: LED voltage presence indicators
• Compatible with Fluke TPT/T/T+ series testers, DMMs, clamp meters

Why choose it

This proving unit is engineered for safety and reliability. It sources both AC and DC voltage, allowing you to verify the full functionality of your testers before and after measurements. The low output current ensures operator safety, while the rugged design withstands daily use in demanding environments. The auto-off feature conserves battery life, and the LED indicators provide clear visual confirmation of output status.

Ideal use cases

• Verifying voltage testers before and after absence-of-voltage testing
• Confirming operation of digital multimeters and clamp meters in the field
• Training and certification of electrical safety procedures
• Routine maintenance checks in industrial, commercial, and residential settings

Good to know

The PRV240FS is compatible with a wide range of Fluke testers and other instruments with standard input impedance. It is powered by four AA batteries, which are easily replaceable. The unit's compact dimensions and lightweight construction make it a convenient addition to any electrician's tool bag. For optimal performance, store in a dry environment within the specified temperature range.