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Red Fluke voltage probe with BNC connector, 1.2 m cable and accessories

Fluke

Fluke VPS510-R 500 MHz 300 V Red voltage probe

SKU CH-SECV-JQ3FJ

A 500 MHz voltage probe rated for 300 V CAT III with 10:1 ratio and 1.2 m cable

  • TypeElectronic
  • 500 MHz bandwidth captures fast signals accurately
  • 10:1 attenuation ratio extends measurement range safely
  • 300 V CAT III rating protects against transient overvoltages
  • 2 m cable with included accessories enables flexible connections
  • 12 pF input capacitance minimises circuit loading effects

Fluke VPS510-R 500 MHz Voltage Probe

The Fluke VPS510-R is a 500 MHz voltage probe rated for 300 V CAT III safety. It suits engineers and technicians who need accurate signal acquisition on oscilloscopes for general-purpose electronic testing. The 10:1 attenuation ratio extends the measurement range while maintaining signal fidelity across the specified bandwidth. Its red insulation sleeve provides quick visual identification on a busy bench.

10 MΩ Input Impedance and 12 pF Capacitance

The probe presents a 10 MΩ input impedance and 12 pF capacitance to the circuit under test, minimising loading effects on high-impedance nodes. A 1.2 m cable connects to the oscilloscope via a standard BNC interface, while the included BNC-to-probe-tip adapter offers flexibility for different tip configurations. The compensation range of 10 to 22 pF allows precise matching to the oscilloscope input for optimal pulse response.

Adjustment Tool and Grounding Accessories Included

The package includes an adjustment tool for calibrating the probe compensation to the specific oscilloscope input. A black ground lead with a mini alligator clip, a black hook clip, and a ground spring provide multiple grounding options to suit different test-point geometries. These accessories help reduce ground-loop inductance and ensure stable measurements during troubleshooting sessions.

Highlights

  • 500 MHz bandwidth captures fast signals accurately
  • 10:1 attenuation ratio extends measurement range safely
  • 300 V CAT III rating protects against transient overvoltages
  • 2 m cable with included accessories enables flexible connections
  • 12 pF input capacitance minimises circuit loading effects

Specifications

BrandFLUKE
TypeElectronic

Questions about this item

At what bandwidth does the 500 MHz probe start to roll off under continuous measurement?

The probe is rated for 500 MHz bandwidth; beyond that frequency the response attenuates according to the 10:1 ratio and 12 pF capacitance.

How much does the 1.2 m cable heat up during an all-day session at 300 V CAT III?

The probe body and cable are passive; they do not generate measurable heat when used within the 300 V CAT III rating.

Which oscilloscope input impedance must I already have for the 10:1 probe ratio to read correctly?

A 10 MΩ oscilloscope input is required to match the probe 10 MΩ impedance and 10:1 division ratio.

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