×

Leave Your Message

           
China Transformer Test and Resistance Tester Manufacturer- Run Test
  • RUN-RP630A SIX PHASE

    RELAY PROTECTION TEST

    Multi-functional and CE Certified

    6 voltage and current output channels can test not only traditional relays and protection devices, but also modern microprocessor protection devices, especially suitable for transformer differential protection and backup automatic switching devices. This tool is often used for on-site commissioning and maintenance of complex electrical systems, including transformers, generators or multi-phase distribution networks. We provide six phase relay test kit, three phase relay test kit and other models to meet your needs

    Protection Relay Tester
  • RUN-WD800A SFRA

    SWEEP FREQUENCY RESPONSE ANALYZER

    Measures The Frequency Response

    SFRA stands for Swept Frequency Response Analysis, which is a diagnostic test used primarily for transformer condition monitoring. SFRA helps assess the mechanical integrity and winding condition of a transformer by analyzing its frequency response at different frequencies.
    sweep frequency response analyzer

MAKE YOUR TEST EASIER

ELECTRIC TEST EQUIPMENT

Selecting and configuring the right test instrument,ensure the safe and stable operation of power system.

Leading Electric Test Equipment Manufacturer

RUN-TEST electric company has the most professional technicians to answer your questions about the test equipment. Certified certificate to give you trust. 24-hour online service to meet your needs. Our goal is to use our electric testing equipment to make your work more effective and safer.

How to Test Resistance in a Wire: The Complete 2026 Guide for Electrical Testing Professionals & Buyers

LATEST

NEWS

How to Test Resistance in a Wire: The Complete 2026 Guide for Electrical Testing Professionals & Buyers

What Does 'Resistance in a Wire' Mean? In the simplest terms, resistance in a wire refers to the opposition that the conductive material presents to the flow of electric current. Every wire, whether it is a tiny copper trace on a printed circuit board or…

CAT III vs. CAT IV Safety Ratings for Voltage Testers: Insulation Standards and Transient Voltage Protection – A Practical 2026 Guide for Industrial Test Equipment Buyers

LATEST

NEWS

CAT III vs. CAT IV Safety Ratings for Voltage Testers: Insulation Standards and Transient Voltage Protection – A Practical 2026 Guide for Industrial Test Equipment Buyers

How Do CAT III and CAT IV Safety Ratings Differ for Voltage Testers? If you work with electrical systems in industrial or utility environments, you have likely seen CAT III and CAT IV symbols on your voltage testers. These ratings, derived from the IEC 61010-1…

How to Test Resistance in a Circuit: 2026 Professional Guide, Equipment Reviews & Cost Analysis

LATEST

NEWS

How to Test Resistance in a Circuit: 2026 Professional Guide, Equipment Reviews & Cost Analysis

How to Test Resistance in a Circuit Safely and Accurately? Step-by-Step Guide to Using a Digital Multimeter for Resistance Testing A digital multimeter (DMM) is the most common tool for measuring resistance in low-voltage circuits, electronic components, and control wiring. The process is straightforward, but…