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Fluke i800 AC Current Clamp Probe

Fluke | Probe and Test Cable

Fluke i800 AC Current Clamp Probe

MPN / Part No: i800
Price updated: Sep 24, 2026

The Fluke i800 clamp probe is a rugged single-range AC clamp designed for measuring alternating currents up to 800 amperes. This clamp, with a current output and a transformation ratio of 1000:1, easily connects to all digital multimeters, significantly enhancing measurement accuracy in industrial electrical systems. The ergonomic design and wide jaw of the i800 make it an ideal tool for troubleshooting distribution panels and large electric motors.

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In the world of power electricals, having a tool that can measure high currents without interrupting the circuit and with complete safety is essential. Fluke Model i800, categorized under Digital Multimeter accessories, is designed to meet the needs of technicians in low and medium voltage environments.

This clamp can accurately read AC currents in the range of 1 ampere to 800 amperes.

One of the main advantages of the i800 is its transformation ratio of 1mA per Amp; meaning for every 1 ampere in the cable, it outputs 1 milliampere to the multimeter, allowing users to see the precise value on the display without complex calculations.

The jaw of this clamp is designed to comfortably accommodate cables up to 54 millimeters in diameter. Additionally, the lack of battery requirement in this model (due to the use of pure inductive properties) ensures that the i800 is always ready to use and never lets you down in the most critical moments of your project.


Features and Benefits of Fluke Model i800

  • Accurate measurement of AC current from 1 ampere to 800 amperes
  • Current output with a ratio of 1000:1 (1 milliampere per ampere)
  • Large 54mm (2.13 inches) jaw for accommodating thick cables and busbars
  • Battery-free operation (Passive Probe) for continuous reliability
  • Non-slip jaw design for secure connection to conductors
  • CAT III 600V safety standard for complete user and device protection

Technical Specifications

FeatureValue / Description
AC Current Range1A to 800A
Output Ratio1 mA/A
Basic Accuracy2% + 0.5A (45Hz to 65Hz)
Frequency Response30Hz to 10kHz
Maximum Conductor Diameter54mm (2.13 inches)
Output ConnectorSafety Shrouded Banana Plugs
Safety StandardCAT III 600V

Frequently Asked Questions about Fluke Model i800

Can the i800 be used to measure DC current?

No, this model operates based on current transformer technology and is only capable of measuring alternating currents (AC).

Is the i800 compatible with all brands of multimeters?

Yes, this probe is compatible with any multimeter that has a standard AC milliampere (mA AC) input and is not exclusive to the Fluke brand.

What is the difference between the i800 and the i200 model?

The i800 model can measure up to 800 amperes and has a significantly wider jaw (54mm) compared to the i200, which covers up to 200 amperes with a smaller jaw (20mm).


Conclusion

The Fluke i800 is Fluke's leading device for AC current measurements. If your customers are looking for a rugged, battery-free tool with a large jaw for heavy industrial projects, the i800 is the best and most reliable option for them in your marketplace.

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Fluke

Fluke

United States

Fluke Corporation is an American brand that specializes in measurement, testing, and monitoring tool...

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