What is the warranty period for this product?

The product comes with a one-year warranty.

Does the company offer customization services?

Yes, the company offers OEM, ODM, and various levels of customization including from samples, designs, and full customization.

High-Performance Multi-Functional Transformer Turns Ratio Tester

Name: High-Performance Multi-Functional Transformer Turns Ratio Tester
Brand: Refine On (Hebei) Electric Power Technology Co., Ltd.
SKU: 2135411992

Hebei, ChinaRefine On (Hebei) Electric Power Technology Co., Ltd.

US$1,503.00

1 Piece

Product profile

Customization

Available

After-sales Service

Provided

Warranty

One-Year

Model NO.

NRB300

Accuracy Grade

Display

Digital

Control

Computer Control

Weight

6kg

Ratio Measurement Range

0.8—10000

Ratio Measurement Accuracy

0.1% (0.8—1000) 0.2% (1000—2000)

Test Voltage

AC20V—230V

Operating Temperature

-10℃—40℃

Environment Humidity

10%—85%

Operating Power

AC230V ± 10%

Transport Package

Wooden Box with Foam Inside

Specification

380×260×160mm

Trademark

Refine On

Origin

China

HS Code

903082000

Production Capacity

100 Set Per Week

Key features

Automatic Three-Phase Measurement: Automatically completes three-phase ratio, winding wiring, and group label measurement with one press.

High Precision Accuracy: Ratio measurement accuracy reaches 0.1% for ranges 0.8-1000 and 0.2% for 1000-2000.

Comprehensive Protection Functions: Features overload and over-voltage protection with automatic voltage reduction for large excitation currents.

On-Load Tap Tracking: Automatically tracks on-load tap positions without requiring repeated parameter input.

Data Storage and Printing: Built-in memory and micro-printer allow long-term preservation and immediate printing of results.

Computer Communication: Equipped with RS-232 interface for enhanced data management and computer communication.

Compact and Lightweight: Small size (380x260x160mm) and light weight (6kg) ensure portability and ease of use.

One-Year Warranty: Comes with a comprehensive one-year warranty for peace of mind and reliability.

Company profile

R&D Capabilities100% Finished Products InspectionODM ServicesProduction Process Visualization

Refine On (Hebei) Electric Power Technology Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.19h

AI-Powered supplier vetting

SummaryThe supplier is a technology-driven enterprise integrating R&D, production, sales, and after-sales service, offering electrical testing equipment, specialized tools, meters, and related products. It reports new products within the past year, ODM capability, broad customization options, and OEM service for well-known brands. Overseas service is stated for Vietnam and Russia, including installation, debugging, maintenance, repair, and training, but the supplier has no overseas warehouses, showrooms, agents, or branches and has not participated in offline trade shows. Quality assurance and raw-material traceability are reported, while several service-control procedures lack written records. Financial information is inconsistent and insufficient for assessment.

Supplier typeThe supplier identifies as a technology-driven enterprise integrating R&D, production, sales, and after-sales service. Its listed products include electrical tools, intelligent meters, energy measurement equipment, fault-location and cable-testing equipment, and specialized instruments, indicating a manufacturer-oriented technology supplier.

After-Sales capabilityThe supplier states that it provides after-sales service and offers installation, debugging, maintenance, repair, and training in Vietnam and Russia. However, it has no overseas warehouse, showroom, agent, or branch, has not participated in offline trade shows, and its complaint-handling and service corrective-action procedures have no written records, limiting evidence of formal service execution controls.

R&D capabilityThe supplier reports R&D capability, new products within the past year, ODM services, and integration of R&D with production and after-sales service. It does not have an available SDK, but the available evidence still explicitly supports product-development capability.

Production capacityThe supplier is described as integrating production with R&D, sales, and after-sales service, and it lists a broad product range including tools, meters, and testing equipment. Quality assurance and raw-material traceability are reported, but the slices do not provide production capacity, factory scale, or output data.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service, providing direct evidence of broad customization capability.

Product Q&A

Q:What is the main function of the NRB300 Transformer Turns Ratio Tester?

It performs automatic variable ratio measurements, including three-phase ratio, winding wiring, and group label measurement, with high accuracy and ease of operation.

Q:What is the ratio measurement range and accuracy?

The range is 0.8 to 10000. Accuracy is 0.1% for 0.8-1000, 0.2% for 1000-2000, and 0.5% for 2000-10000.

Q:Does the tester support on-load tap changer measurement?

Yes, it automatically tracks the on-load tap position without needing to re-input parameters.

Q:What protection features does the device have?

It includes quantitative output overload protection and over-voltage protection, with automatic voltage reduction for high excitation currents.

Q:Can the measurement results be stored or printed?

Yes, the instrument has built-in power-down memory and a micro-printer for long-term data preservation and printing.