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The Necessity of EV Charger Metrological Testing: Ensuring Fair, Safe, and Reliable EV Charging:

06-05 2026

The rapid global adoption of electric vehicles (EVs) is driving demand for charging infrastructure. This article explains why metrological testing of EV chargers—verifying the precision of built‑in energy meters—is essential.

How to Test the DC Magnetic Properties of Electrical Steel?

05-15 2026

TS1000 DC Magnetic Properties Measuring System for Electrical Steel is a complete solution for measuring the DC magnetic properties of electrical steel. Whether you're testing grain-oriented or non-oriented electrical steel, the TS1000 gives you a reliable, repeatable, and standards‑compliant way to obtain the full DC magnetic profile – including B, H, μ, the DC magnetization curve, and the hysteresis loop.

TUNKIA News | TUNKIA Visited Azerbaijan Metrology Institute for Technical Exchange

04-29 2026

On April 15, 2026, the TUNKIA team visited the Azerbaijan Metrology Institute (AzMİ) and held in-depth discussions with the institute’s leadership.

TUNKIA’s Electromagnetic Measurement Solution for NEV Three-Electric Systems and EV Charger Testing

04-27 2026

This paper focuses on the engineering applications of electromagnetic measurement technologies in the new energy sector, with an emphasis on analyzing the testing requirements, technical challenges, and solutions for electric vehicle.

How to Test the Accuracy of EV Charging Piles Using TUNKIA TK4830(TE1100)

04-02 2026

The purpose of EV chargers metrological testing is to ensure fair charging fees, protect the legal rights of users and operators, and maintain high precision and reliability of charging infrastructure over its long-term operation. This essay will introduce TUNKIA TK4830 Portable Tester for AC&DC EV Chargers, along with its operation process of testing EV charging stations.

A Configurable Calibration System for Electrical Safety Testers

03-26 2026

A configurable system built on dedicated instruments—such as TD1220, TD1230, and TD1240—offers an effective way to address these needs, particularly in scenarios that require adaptability, higher performance ranges, or system scalability.

Accelerate Stator Core Quality Control with TS2500 Intelligent Magnetic Testing System

03-05 2026

TS2500 is an intelligent testing system specifically designed for rapid testing of the magnetic properties of laminated stators in motors and related equipment. It enables automatic measurement of magnetic parameters such as core loss of motor stator cores or other types of electrical steel cores within a specified frequency range.

Automating Magnetic Property Testing for Electrical Steel

12-25 2025

The automatic magnetic property testing solution for electrical steel is built around a dedicated core manufacturing system: an Automatic Magnetic Property Testing Device, combined with proprietary system software developed in-house.

Key Advantages of TUNKIA EV Charger Tester Solution

02-19 2025

In our previous article, we explored the importance of EV charger metrological testing. Now, let's dive into the key advantages and technical strengths of TUNKIA's portable EV charger testers.

How To Calibrate Clamp Meter

09-15 2023

This article provides an introduction to the working principle, classification, and typical calibration methods of Clamp Meter. The convenience of measuring current without the need for power interruption has made Clamp Meter widely used in power maintenance, industrial testing, and other fields. By analyzing various calibration methods in detail, the accuracy and response time of Clamp Meter can be improved, providing reliable measurement solutions for the metrology calibration industry. Click to learn more about our products and services tailored for the metrology calibration industry.

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