What interfaces are supported for data transfer and connectivity?

The device supports RS232, USB, Bluetooth, and RJ45 network ports, allowing for computer data printing, APP uploads, and firmware updates.

Is customization available for this product?

Yes, customization options include full customization, minor customization, flexible customization, and customization from samples or designs.

What is the warranty period for this equipment?

We provide a one-year warranty for this current transformer field tester.

Current Transformer Field Tester for Winding Resistance Check Made in Refine on Factory

Name: Current Transformer Field Tester for Winding Resistance Check Made in Refine on Factory
Brand: Refine On (Hebei) Electric Power Technology Co., Ltd.
SKU: 2146858592

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

US$5,910.00

1 Piece

Product profile

Customization

Available

After-sales Service

Provided

Warranty

One-Year

Model NO.

NRH70C

Accuracy Grade

0.05

Load Way

Electronic Load

Display

Digital

Control

Computer Control

Weight

9.9kg

Power Source

Built-in Rechargeable Lithium Battery, Charger out

Output Mode

Simulation/Extrapolation

Output Frequency

45Hz ~ 55Hz

Output Power

20va

Direct Connection Output Voltage

< 24V

Display Mode

LCD Touch Screen

Operation Mode

Touch Screen & Manual Control

Other Functions

PT Testing

Working Time

≥ 12h

Communication Interface

USB, Bluetooth, RS232, RJ45 (Ethernet)

Transport Package

Wooden Box with Foam Inside

Trademark

Refine On

Origin

China

HS Code

9030390000

Production Capacity

100 Set Per Week

Key features

0.05 Class Accuracy: Features standard voltage and current transformers with 0.05 class precision for precise ratio and error measurement.

No Standard CT Needed: Eliminates the need for standard current transformers, boosters, and load boxes, simplifying on-site verification.

Wide Measurement Range: Covers 5A/5A to 31500A/5A or 5A/1A to 6300/1A, suitable for various transformer sizes.

Intelligent Error Detection: Automatically detects wiring errors, incorrect ratios, or polarity issues with clear visual alerts.

Long Battery Life: High-capacity lithium battery enables continuous operation for over 12 hours on a full charge.

Large Data Storage: Stores up to 5,000 pieces of field test data for easy record keeping and analysis.

Multi-Interface Connectivity: Supports RS232, USB, Bluetooth, and RJ45 for data upload, download, and firmware updates.

Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs.

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 accuracy grade of this current transformer tester?

The device features a 0.05 class accuracy grade, utilizing standard voltage and current transformers with the same ratio as the tested unit for precise measurement.

Q:Does this instrument require standard current transformers for calibration?

No, it eliminates the need for standard current transformers, current boosters, load boxes, and high-current conductors, significantly simplifying on-site verification.

Q:What is the maximum measurement range for current transformers?

The measurement range covers 5A/5A to 31500A/5A or 5A/1A to 6300A/1A, accommodating a wide variety of transformer specifications.

Q:How long can the device operate on a single charge?

The device features a high-capacity lithium battery that enables continuous operation for over 12 hours on a full charge.

Q:Can the device store test data, and how much can it hold?

Yes, the large-scale storage device can store up to 5,000 pieces of field test data for future reference and analysis.