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Why is EV Chargers Metrological Testing Necessary

02-13 2025

Why is EV chargers metrological testing necessary? What is EV charger metrological testing? What are the differences between EV chargers metrological testing and functional testing? What is the practical solution to test the accuracy of EV chargers? Find the answer to these questions in this one article.

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Introduction of TH0520 Precision Current and Voltage Measurement Standard

02-06 2025

TH0520 Precision Current & Voltage Measurement Standard is a precision electrical measurement instrument, primarily designed for on-site high-accuracy measurement of AC/DC current and voltage, calibration of AC/DC current standard sources and meters, and calibration of AC/DC voltage standard sources

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How to Test the AC Magnetic Properties of Electrical Steel with Tunkia TS1200

11-28 2024

TS1200 is a special instrument for measuring the AC magnetic properties of electrical steel.It is suitable for comprehensive analysis of AC magnetic characteristics of electrical steel or core. It can measure the AC magnetic properties of grain-oriented or non-oriented electrical steel, as well as transformer or motor cores.

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Tunkia 2024 Annual Report: A Year of Innovation, Excellence, and Global Growth

01-01 2025

TUNKIA's 2024: This year, our efforts have been recognized with prestigious awards and honors, underscoring our commitment to quality, reliability, and continuous improvement.

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How to Use a Multimeter Calibrator

12-27 2024

TD1855 Multifunction Calibrator is designed for 3.5 digit multimeter calibration. With a detailed operation video, this article can help you learn more about the functions and operations of TD1855.

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TK4850E DC EV Charging Station Testing Device for DC EV Charge Pile Onsite Testing

12-11 2024

TK4850E is a portable all-in-one device specifically designed for on-site testing of DC EV chargers. The accuracy is class 0.1 and class 0.05. The device is equipped with a built-in 8kW DC load, and the load can be cascaded up to 240kW.

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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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TUNKIA TK4830 EV Chargers Tester-Strength And Advantages

12-04 2023

TK4830 is an AC and DC integrated charging station calibration device. The accuracy of AC and DC power measurement of the device reaches Class 0.05.It supports European standard CCS2 DC charging interface, European standard Mennekes (Type2) AC charging interface and Japanese standard CHAdeMO DC charging interface. It can complete the working error and clock time error test of AC and DC charging stations. Read more about its strength and advantages.

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Precision EV Charger Tester for Metering Professionals: TUNKIA's Tailored Solutions

08-12 2023

"Elevate EV Charging Infrastructure with TUNKIA's Precision Charger Testers. Customized solutions for metering institutions and charging station manufacturers."

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TD3250 Portable Three-Phase Energy Meter Tester Product Update

01-14 2025

TUNKIA TD3250 Portable Three-Phase Energy Meter Tester Product Update: The voltage range has now been upgraded to 120V, 240V, and 480V, with the addition of optional 200A and 1000A clamp meters.

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