Wrindu-Rui Du M&E Shanghai Co., Ltd

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Wrindu-Rui Du M&E Shanghai Co., Ltd Wrindu Power Test -Committed to delivering high-quality power test equipment and Professional Services in the worldwide.

01/09/2026

Welcome to visit us at Booth SA.H69, Middle East Energy 2026 Dubai!

10/08/2026

RDJJD-100kV Insulating Oil Dielectric Strength Tester is a high-precision digital testing device for power, railway, petrochemical and mining industries. Controlled by single-chip microcomputer, it complies with IEC156 standards with adjustable boosting speed (0.5–5.0kV/s) and 0–100kV output. Equipped with multi-protection circuits, bilingual display and built-in data analysis, it delivers accurate, interference-resistant test results. Its leak-proof oil cup and crash-proof watchdog ensure stable, safe routine insulation oil breakdown tests for all electrical equipment.
Grammar & Word Revision Notes
1、Fixed original run-on sentences (removed redundant "due to..., so" conflicting structure)
2、Replaced repetitive "high accuracy" with standard industrial term high-precision
3、Standardized technical wording: breakdown test (professional for dielectric strength test),
single-chip microcomputer (unified noun form)
4、Eliminated fragmented list expressions, integrated core advantages concisely
5、Corrected non-standard parameter descriptions to conform to electrical equipment copy norms
6、Removed redundant repetitive modifiers to hit the 80-word limit precisely

10/08/2026

The RDYDG-5kVA/100kV AC Withstand Voltage Test Device is a high-performance, portable high-voltage testing solution engineered with a compact structure, lightweight design, and comprehensive functional configuration. Featuring strong versatility and user-friendly operation, this device is widely applied in power systems, industrial and mining enterprises, and scientific research institutions. It is specially designed for power-frequency AC high-voltage insulation strength tests on various high-voltage electrical equipment, electrical components and insulating materials, serving as indispensable core equipment for high-voltage testing work.
Equipped with a dedicated supporting console, the device can work in tandem with the high-voltage test transformer to efficiently complete integrated withstand voltage and leakage current tests, ensuring coordinated and stable test operation.
Product Performance Features
1. Adopting dry-type transformer design, the device features an integrated compact structure, zero maintenance requirements and eco-friendly performance, supporting long-term continuous testing operation.
2. Miniaturized and lightweight overall structure with simple and clear wiring layout, realizing intuitive operation and convenient on-site deployment and use.
3. It delivers excellent insulation stability and high operational safety, paired with a streamlined and elegant overall appearance, meeting professional industrial testing standards.

11/07/2026

The RD3215E Insulation Resistance Tester is a high-performance professional device designed for high-voltage insulation detection. Boasting strong anti-interference capability, it works stably in substations and high-electromagnetic-interference environments for testing high-voltage electrical equipment and transmission lines. Equipped with a color touch screen and simple dual controls, it supports customizable test voltage and duration, PI and DAR calculation. It features multi-monitoring, automatic discharge, 1000-set data storage, USB and Bluetooth data upload, delivering accurate, safe and efficient testing for power, telecommunication and industrial fields.

08/07/2026

DC Resistance Tester,Tan Delta Tester

02/07/2026

RDZHF-709B SF6 Comprehensive Tester

26/06/2026

The RDHG-E Frequency Conversion Transformer Comprehensive Characteristics Tester is a professional high-precision tester for CT and PT detection in the power industry. Equipped with advanced DSP and FPGA technologies, it features stable operation and high automation efficiency. It conducts full-parameter tests of excitation characteristics, transformation ratio, polarity and secondary winding parameters, fully compliant with mainstream IEC and IEEE standards. Integrated with one-click testing, power-off data storage, USB data export and built-in printing, this lightweight, portable tester ensures accurate measurements for various field tests.

17/06/2026

RDVLF-Z80Y Very Low Frequency HV Test Set Introduction
The RDVLF-Z80Y is a professional variable-frequency VLF high-voltage test set for AC withstand voltage testing. It generates standard pure sine waves via high-precision HV-side sampling and is equipped with comprehensive safety protection. With a color touchscreen and built-in printer, its rugged portable design enables stable and reliable on-site tests.

12/06/2026

The RDRB-V Sweep Frequency Response Analyzer professionally detects winding deformation for 6kV and above power transformers in compliance with DL/T911-2016 and IEC 60076-18 standards. It finishes single-winding tests within 2 minutes, boasting 0.001% ultra-high frequency accuracy and stable digital frequency synthesis. Equipped with 5000V isolation safety protection, it supports 10Hz-2MHz linear and logarithmic frequency sweeping. The Windows-compatible intelligent software allows one-click testing, automatic data analysis and report export, and delivers efficient, accurate and user-friendly transformer winding defect detection.

05/06/2026

Heading back home after business travel

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No. 500 Jianyun Road, Pudong New Area, Shanghai
Pudong
201300

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