Test unit for fluke T6 tester

Fluke PRV240FS – portable proving unit

The Fluke PRV240FS (item no. 4910310) is a portable proving unit designed to verify the functionality of T6 electrical testers, including FieldSense measurements. The unit provides both AC and DC steady-state voltage up to 240 V and features simple operation with a single toggle switch and LED indicators showing active output and selected mode (AC, DC, FieldSense).

Function and construction

The unit is battery-powered and designed as a pocket-sized device for quick verification of test equipment before and after measurements. The LED indicators illuminate when output voltage is present, and voltage is delivered either via a central hub for FieldSense "open fork" testing or via encapsulated contacts that are activated by inserted test probes to reduce the risk of accidental contact.

Typical applications

• Verify operation of T6 electrical testers, including the FieldSense measurement function.
• Provide a known AC or DC voltage source (up to 240 V) for HiZ multimeters or current clamps during functional testing.
• Perform "Test Before Touch" (TBT) sequences by checking test tools against a known voltage source before and after actual live testing.

Documentation

See manufacturer's datasheet

Specifications

• Product name: Fluke PRV240FS (item no. 4910310)
• Output voltage: 240 V ac rms or dc ± 10 % (with load ≥ 1 MΩ)
• LED indicators: Illuminates when output voltage is present
• Battery: 4 x AA alkaline (NEDA 15 A / IEC LR6)
• Battery life: 2000 tests per set of batteries (10-second average test)
• Dimensions: 11.7 cm x 7.4 cm x 4.5 cm
• Weight: 0.32 kg (incl. batteries)
• Safety requirements: IEC61010-1, IEC61010-2-030
• Operating conditions: Temperature -10 °C to +50 °C; humidity limits as stated in manufacturer's datasheet
• EMC: IEC 61326-1; CISPR 11 Group 1, Class A
• Included: TPAK magnetic hanging strap, four AA batteries, instruction sheet
• Warranty: One-year (according to manufacturer's documentation)

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