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Fluke PQ400/B Electrical Measurement Window

Fluke | Electrical Tester

Fluke PQ400/B Electrical Measurement Window

MPN / Part No: PQ400/B
Price updated: Sep 24, 2026

The Fluke PQ400/B portable scope meter is a voltage and current measurement window designed for permanent installation in electrical panels. This tool allows for quick and safe access to power quality and energy data without the need to open the panel door or use additional protective equipment.

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The Fluke PQ400/B measurement window is intended for connecting three-phase measurement devices to energized electrical panels. This window is permanently installed in the panel and provides access to voltage and current inputs through its covered door.

Using this window, power quality and energy measurements can be performed without opening the panel door and without the need for additional protective equipment. This feature reduces the risks associated with arc flash and electrical shock, as well as decreases maintenance time and costs.

The PQ400/B window allows for connection to measurement devices such as Fluke 1730 and 1740 series analyzers using safe standard 4mm cables.

This window has a protective rating of CAT IV 600V and CAT III 1000V in accordance with IEC61010-2-30 standards and is suitable for use in industrial environments.


🔹 Key Features of Fluke PQ400/B

  • Permanent installation in electrical panels

  • Quick and safe access to voltage and current inputs

  • Reduction of risks related to arc flash and electrical shock

  • Reduction of maintenance time and costs

  • Compatible with Fluke 1730 and 1740 measurement devices

  • Protective rating of CAT IV 600V and CAT III 1000V


🔹 Technical Specifications of Fluke PQ400/B

Feature Value
Installation Type Permanent in electrical panel
Input Type Three-phase voltage, neutral and ground
Protective Rating CAT IV 600V / CAT III 1000V
Device Compatibility Fluke 1730, Fluke 1740
Input Cable Type Safe standard 4mm cables
Window Dimensions 148 × 187 × 23 mm
Weight 2.1 kg
Environmental Protective Rating IP67 with door closed, IP50 with door open and connections attached

❓ Frequently Asked Questions (FAQ)

Q: Is the PQ400/B window suitable for use in industrial environments?
A: Yes, this window is suitable for industrial environments with a protective rating of CAT IV 600V and CAT III 1000V in accordance with IEC61010-2-30 standard.

Q: Can this window be used with other measurement devices?
A: This window is specifically designed for use with Fluke 1730 and 1740 series analyzers.

Q: Is the installation of this window complicated?
A: The installation of this window can be easily performed using a standard step drill and electric hydraulic punch.


🔚 Conclusion

The Fluke PQ400/B measurement window, with its precise engineering design and advanced capabilities, is an ideal tool for quick and safe access to power quality and energy data in electrical panels.

This window reduces hazards related to arc flash and electrical shock, minimizes maintenance time and costs, and ensures optimal performance of electrical systems.

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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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