Pfisterer
EPV 2 Electronic Phase Comparator

PFISTERER Electronic Phase Comparator EPV 2

The EPV 2 from PFISTERER is a high-performance phase comparator and voltage detector designed for medium-voltage switchgear applications. Built for accuracy and safety, it enables engineers to carry out reliable phase comparison, confirm voltage presence, and test system interfaces with confidence.

Suitable for both HR and LRM systems, the EPV 2 phase comparator offers a flexible and efficient solution for routine maintenance, commissioning, and operational safety checks. Its compact design and clear visual indicators make it especially useful in demanding field environments.

Reliable Phase Comparison for Critical Systems

Accurate phase alignment is essential for safe electrical operation. This phase comparator provides dependable results through intuitive LED indicators and straightforward handling. The EPV 2 allows users to quickly determine phase equality, detect voltage, and identify rotary field direction, helping to reduce downtime and improve safety standards.

Its ergonomic build ensures that technicians can work efficiently, even in confined switchgear spaces.

PFISTERER EPV 2 Key Features

• Compliant with IEC / EN 62271-215:2023-08
• Designed for HR and LRM interface compatibility
• Bright LED display for voltage indication
• Two-colour LED system for phase comparison results
• Rotary field direction indication (left/right)
• Integrated safety and interface control functions
• Battery monitoring with early warning display
• Manual and automatic power-off options
• Compact, portable design with included adapters

Measurement Functions

The EPV 2 supports a range of essential diagnostic tasks:

• Phase comparison (equal or unequal phases)
• Voltage detection in accordance with IEC standards
• Interface condition testing
• Rotary field direction identification

These features make it a versatile phase comparator for engineers working across various medium-voltage applications.

Built-In Safety and Self-Test

Safety is central to the design of the EPV 2 phase comparator. The unit includes an integrated self-test function that checks the device, measuring leads, and battery status before use. Clear LED indicators confirm readiness, while early battery warnings help prevent unexpected interruptions.

A touch-safe construction further enhances user protection, making this phase comparator suitable for high-demand environments where safety cannot be compromised.

Simple and Efficient Operation

Ease of use is a key advantage of the EPV 2. The device features a clear, intuitive interface and straightforward connections, reducing the risk of user error. Its lightweight and compact form factor allows for convenient transport and flexible use across different testing points.

What comes with the PFISTERER EPV 2?

• 1 × EPV 2 Electronic Phase Comparator
• 2 × LRM / HR adapters
• 1 × Carrying case

Applications

This phase comparator is ideal for:

• Medium-voltage switchgear testing
• Electrical maintenance and inspections
• Commissioning and installation verification
• Utility and industrial power systems

Enquire About the EPV 2

If you need a dependable phase comparator for accurate testing and enhanced safety, the EPV 2 is a proven choice. Get in touch today to request further information or a competitive quote.