https://membercenter.made-in-china.com/, http://www.transformer-test.com/

Refine On Electric, 河北省保定市, Baoding (2026)

15/10/2026

Looking for a Reliable Multifunction Insulation Resistance Tester? ⚡
Meet our Multifunction Insulation Resistance Tester — designed to support electrical testing, equipment maintenance, and field diagnostics.
✅ Adjustable Test Voltage: 50–5500V
✅ Multiple Test Modes: IR, DAR, PI, Step Voltage (SV), MOA Auto-Test, and Breakdown Mode
✅ Integrated Multimeter: Measures AC/DC voltage, DC current, capacitance, resistance, inductance, and frequency
✅ Intelligent Testing: Automatic filtering and real-time test parameter display
✅ Automatic Discharge: Helps discharge the tested equipment after testing
✅ Data Management: Stores up to 200 groups of test data, with USB data export
✅ Field-Ready Design: 5-inch touchscreen, rotary encoder display, and rechargeable lithium battery
Suitable for electrical maintenance teams, power utilities, testing laboratories, and electrical equipment service providers.
💬 Need technical specifications or a quotation? Send us a message! Tell us your application and testing requirements, and our team will help you find the right solution.
📩 Contact us today for product details and export inquiries.
Refine On (Hebei) Electric Power Technology Co., Ltd.
Address: Room 101, Building 13, Liandong U Valley, No. 64, Jing SAN South Street, Economic Development Zone, Mancheng District, Baoding City
Mobile: +8616630271406
Web: www.transformer-test.com
Email: [email protected]

14/10/2026

This fully automatic closed-cup flash point tester is primarily used to determine the closed-cup flash point of petroleum products. It utilizes ARM microprocessor technology, a color LCD, resistive touchscreen technology, and a Chinese-language menu for enhanced human-machine interaction. The instrument features data storage in the event of power loss, as well as automatic ignition, display, result locking and printing, and automatic cooling functions. It offers high measurement accuracy, excellent repeatability, stable and reliable performance, and ease of operation. Widely used in sectors such as electric power, petroleum, chemicals, commodity inspection, and scientific research, the instrument complies with the requirements of ASTM D93 and GB/T 261-2008 standards.

13/10/2026

⚡NRJS600 Transformer Capacitance & Tan Delta Tester | Accurate Insulation Diagnostics
Looking for a reliable solution to evaluate transformer insulation condition?
The NRJS600 Transformer Capacitance & Tan Delta Tester is designed for on-site dielectric loss testing and precision measurements in electrical testing laboratories.
✅ Why Choose the NRJS600?
🔹 Advanced Anti-Interference Technology
Frequency-conversion technology helps maintain measurement accuracy even under interference levels of up to 200%, according to the specified test conditions.
🔹 High-Precision Measurement
Capacitance resolution down to 0.001 pF and dielectric loss factor (tan δ) resolution of 0.001%.
🔹 Built-in High-Voltage Source
Adjustable test voltage from 0.5 kV to 10 kV for applicable measurement modes.
🔹 CVT Self-Excitation Measurement
Supports C1 and C2 measurements in one connection, helping simplify testing procedures.
🔹 Convenient Data Management
Built-in thermal printer and storage for up to 100 sets of measurement data.
🔹 Multiple Protection Functions
Includes high-voltage, low-voltage, grounding, and misoperation protection features.
Applications include:
✔ Transformer insulation testing
✔ Capacitance and dielectric loss measurement
✔ CVT testing
✔ Electrical maintenance and testing laboratories
📩 **Need specifications or a quotation?**
Send us a message with your application, required test functions, and destination country. We’ll help you review the technical details and find the right solution for your testing needs.
Refine On Electric — Your Partner in Electrical Testing Solutions.
Refine On (Hebei) Electric Power Technology Co., Ltd.
Address: Room 101, Building 13, Liandong U Valley, No. 64, Jing SAN South Street, Economic Development Zone, Mancheng District, Baoding City
Mobile: +8616630271406
Web: www.transformer-test.com
Email: [email protected]

12/10/2026

⚡ NRCJ-400kV/20kJ Automatic Impulse Voltage Generator
Reliable High-Voltage Impulse Testing for Power Equipment!
Looking for a professional impulse voltage testing solution for your high-voltage laboratory or electrical equipment manufacturing facility?
Our NRCJ-400kV/20kJ Automatic Impulse Voltage Generator is designed for lightning impulse voltage testing of electrical equipment, including switchgear rated up to 36kV, and other applicable products.
✅ Key Features:
🔹 400kV Peak Voltage | 20kJ Rated Energy
Designed for high-voltage impulse testing applications.
🔹 Automatic Control System
PLC-based control supports manual, automatic, and programmed operation for a more efficient testing workflow.
🔹 Accurate Waveform Measurement
Digital impulse measurement system with waveform analysis, comparison, storage, and retrieval functions.
🔹 Advanced Safety Protection
Overvoltage, overcurrent, abnormal charging, grounding interlocks, and other protective functions.
🔹 Integrated Testing Solution
Includes the impulse voltage generator, DC charging source, voltage divider, control system, digital measurement system, and test wires.
🔹 Technical Support Available
Installation and commissioning assistance, operator training, and after-sales technical support are available according to the project requirements.
Ideal for:
✔ High-voltage testing laboratories
✔ Electrical equipment manufacturers
✔ Switchgear and power equipment testing
✔ Transformer-related impulse testing applications
✔ Power engineering and research facilities
📩 Need a customized high-voltage testing solution?
Contact us today for the technical proposal, detailed specifications, and quotation.
💬 Send us your required test voltage, test object, and application.** Our team will help you identify a suitable configuration for your project.
Refine On Electric — Your Partner in Electrical Testing Solutions.

10/10/2026

⚡ NRG30C / NRG50C / NRG80C VLF HIPOT TESTER
Reliable High-Voltage Testing. Smarter Field Operations.
🔌 Need an efficient solution for AC withstand voltage testing of power cables and other high-capacitance electrical equipment?
Meet our 0.1Hz Very Low Frequency (VLF) Hipot Tester — designed to help power utilities, electrical contractors, and maintenance teams perform insulation withstand voltage tests with a compact, easy-to-operate system.
✅ Why Choose Our VLF Hipot Tester?
🔹 0.1Hz VLF Testing Technology
A practical alternative to power-frequency AC withstand testing for suitable high-capacitance test objects.
🔹 Multiple Frequency Options
Select 0.1Hz, 0.05Hz, or 0.02Hz according to your testing requirements and equipment specifications.
🔹 Automated Testing Process
Microcomputer control supports automatic voltage boosting, constant-amplitude output, timed shutdown, and automatic discharge.
🔹 Multiple Safety Protections
Overvoltage and overcurrent protection help safeguard the instrument and test process.
🔹 Touchscreen Operation
A 7-inch touch display makes parameter setting and test monitoring convenient.
🔹 Test Data Management
Automatically stores up to 64 sets of historical test data and supports test report printing.
🔹 Portable for Field Work
A two-part controller and booster design supports outdoor testing and on-site maintenance.
🎯 Typical Applications
✔️ Power cable withstand voltage testing
✔️ XLPE-insulated cable testing
✔️ Generator and motor insulation testing
✔️ Power utility and substation maintenance
✔️ Electrical installation and preventive testing
📩 Looking for the right VLF tester for your project?
Send us a message with:
• Required test voltage
• Cable or equipment type
• Application and country of use
Our team can help you identify a suitable model and provide the technical datasheet and quotation.
👉 Message us today to discuss your testing requirements!

09/10/2026

⚡ NR-100Z Vacuum Transformer Oil Filtration Machine | 6000 L/H
Cleaner Transformer Oil. More Reliable Power Equipment.
💡 Is moisture, gas, or contamination affecting your transformer oil quality?
The NR-100Z Vacuum Transformer Oil Filtration Machine is designed to remove moisture, gases, and mechanical impurities from transformer oil—helping restore oil performance and support reliable transformer operation.
✅ Why Choose the NR-100Z?
🔹 High Processing Capacity
Rated flow rate of 6,000 L/H for efficient oil purification.
🔹 Vacuum Dehydration & Degassing
Advanced vacuum separation helps remove moisture and dissolved gases from transformer oil.
🔹 Multi-Stage Filtration
Progressive filtration helps remove mechanical impurities, with filter precision up to 10 μm according to the technical description.
🔹 Automatic Temperature Control
Adjustable oil temperature from 20°C to 80°C for controlled heating during purification.
🔹 Safety Protection System
Interlocked heating, oil pumping, and vacuum systems, with alarms and automatic shutdown protection for abnormal operating conditions.
🔹 Designed for Field Applications
Suitable for transformer installation, maintenance, oil purification, vacuum oil filling, and transformer evacuation operations.
🔹 Customizable Configuration
Power supply and optional accessories can be configured according to your project requirements.
🏭 Ideal for:
• Power utilities and substations
• Transformer manufacturers
• Electrical maintenance contractors
• Power plants and industrial facilities
• Transformer oil treatment service providers
📩 Looking for a reliable transformer oil purification solution?
Send us a message with your required capacity, power supply, and application. We can help you check whether the NR-100Z is suitable for your project.
👉 Contact us today for the technical datasheet, quotation, and customization options.

08/10/2026

⚡ NRG2705 Insulation Resistance Tester | Up to 15kV
Reliable insulation testing for transformers, cables, motors and electrical equipment.
When insulation condition matters, accurate testing is the first step toward preventing unexpected electrical failures.
The **NRG2705 Digital Insulation Resistance Tester** is designed for professional insulation testing, combining high-voltage output, multiple measurement functions and convenient data management in one portable instrument.
🔥 Why Choose NRG2705
🔹 Up to 15kV Test Voltage
Selectable test voltages from 100V to 15kV, suitable for different insulation testing requirements.
🔹 Ultra-Wide Insulation Resistance Range
Depending on the model configuration, insulation resistance measurement can reach up to 50TΩ, with resolution down to 0.01MΩ.
🔹 More Than an Insulation Tester
In addition to insulation resistance, it supports:
• DC Voltage Measurement
• AC Voltage Measurement
• DC Current Measurement
• Capacitance Measurement
• Polarization Index (PI)
• Absorption Ratio (DAR)
🔹 PI & DAR Testing
Automatically calculates PI and DAR values to help evaluate insulation condition and moisture-related insulation deterioration.
🔹 RAMP & Filter Functions
Supports step-up voltage testing and filter testing to improve measurement flexibility in different field conditions.
🔹 Data Storage & USB Communication
Store up to 500 groups of test data and transfer data to a computer through USB for monitoring, storage and printing.
🔹 Portable & Field-Ready Design
Powered by a rechargeable lithium battery, with a compact design and shockproof, dustproof and moisture-resistant structure.
⚙️ Typical Applications
✔ Power Transformers
✔ Motors & Generators
✔ Power Cables
✔ Electrical Equipment
✔ Insulation Materials
✔ Substations & Power Utilities
✔ Electrical Installation & Maintenance
High Voltage. Wide Range. Multiple Functions. Field Ready.
Looking for a reliable insulation resistance tester for your market or project
📩 Contact us for the datasheet, technical specifications, quotation and OEM/ODM options.
💬 Tell us your required test voltage and application — we can recommend the suitable configuration for you.

30/09/2026

⚡10A Transformer DC Resistance Tester | NRB200
Looking for a reliable solution for transformer winding resistance testing?
The NRB200 10A Transformer DC Resistance Tester is designed for fast and accurate DC resistance measurement during transformer manufacturing, installation, maintenance, commissioning and preventive testing.
🔧 Key Features
✅ Up to 10A Test Current
Multiple current ranges with automatic current selection according to the load.
✅ High Measurement Accuracy
Resolution down to 0.1μΩ with accuracy up to ≤0.2% ±2 digits.
✅ Fast & Easy Operation
32-bit ARM control system enables highly automated testing and simple operation.
✅ Automatic Discharge & Safety Alarm
Automatically discharges the test object after testing, with audible and on-screen discharge indications.
✅ Temperature Conversion
Supports winding material, winding temperature and conversion temperature settings for resistance conversion.
✅ Built-in Data Management
Save, review, print and export test results directly from the instrument.
✅ USB & RS232 Communication
Convenient data transfer for further analysis and record keeping.
⚡ Typical Applications
• Transformer winding resistance testing
• Transformer manufacturing & factory testing
• Installation & commissioning
• Transformer maintenance and overhaul
• Tap changer testing
• Preventive testing
• Checking winding connections and contact conditions
Compact. Accurate. Automated. Reliable.
Looking for a transformer testing solution for your projects?
📩 Send us a message for the datasheet, technical specifications, price and quotation.

Refine On Electric

15/10/2026

14/10/2026

13/10/2026

12/10/2026

10/10/2026

09/10/2026

08/10/2026

30/09/2026

Address

Website

Alerts

Shortcuts

Share

Category

Listing takedown request