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TUNKIA TD1450 Simulated Standard Resistor for Loop Resistance Tester Calibration

06-17 2025

TD1450 is an instrument that can accurately simulate DC or AC standard resistance. It is suitable for calibrating loop resistance testers, DC resistance testers, ground bond resistance testers and other AC and DC low resistance instruments.

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Introduction of TUNKIA Resistance Standards Series

06-05 2025

Today, we are excited to introduce TUNKIA’s Resistance Standards Series—a comprehensive portfolio covering three major categories: resistance measurement instruments, standard resistors, and simulated standard resistors. Whether you're a resistor manufacturer or a metrology engineer seeking ultra-pr

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Tunkia TD7200 Electrosurgical (ESU) Analyzer Calibrator: Ensuring Accuracy and Medical Safety

05-29 2025

To meet the calibration needs of ESU analyzers, TUNKIA has developed the TD7200 Calibrator, a high-precision solution designed specifically for the verification and calibration of commercial high-frequency electrosurgical analyzer devices.

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World Metrology Day Special | The Hidden Power Behind Everyday Accuracy

05-20 2025

Today (May 20) is World Metrology Day, commemorating the signing of the Metre Convention and raising global awareness of measurement’s role in science, industry, and everyday life. This article explores how metrology touches our daily routines and showcases TUNKIA’s innovations in electromagnetic measurement and calibration.

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Solution for Current Sensor Calibration-TA1200 High Frequency Transconductance Amplifier

05-08 2025

TA1200 is a constant current source that can output a maximum frequency of 1 MHz. It also has a transconductance working mode to achieve linear current output. It can be used to calibrate high-frequency current sensors or test the frequency response bandwidth characteristics of current sensors.

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How Current Coils Work in Calibration

04-23 2025

A current coil is a component made by winding a conductive wire through which electric current flows. While TD1020 is a series of multi-turn current coils designed based on the ampere-turn equivalence principle. It is used together with the TD18 series standard current sources to calibrate clamp meters with accuracy class 1 or lower.

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TUNKIA | Technical Experts from Kazakhstan and Uzbekistan Participate in EV Charger Metrology Training at Tunkia - Advancing the Belt and Road Initiative

04-03 2025

From March 9 to 15, under the guidance and support of the State Administration for Market Regulation and the National Institute of Metrology, China (NIM), the EV Charger Verification and Metrological Traceability Training was successfully conducted at Tunkia Co., Ltd. in Changsha.

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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.

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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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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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