What interfaces are available for data transfer and printing?

The device supports RS232, USB, Bluetooth, and RJ45 network ports. It also includes a built-in printer for instant data printing and supports mouse operation via USB.

How much data can the device store?

The large-scale storage device can store up to 5,000 pieces of field test data, ensuring ample space for extensive testing records.

Is customization available for this product?

Yes, the manufacturer offers various customization options including customization from samples, designs, full customization, minor customization, and flexible customization.

Current Transformer Field Tester with Blind Ratio Testing Function Made in Refine on Factory

Name: Current Transformer Field Tester with Blind Ratio Testing Function Made in Refine on Factory
Brand: Refine On (Hebei) Electric Power Technology Co., Ltd.
SKU: 2146854332

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

Blind Ratio Testing: First-of-its-kind technology for blind ratio testing and simultaneous voltage transformer ratio/polarity measurement.

High Precision Accuracy: Achieves 0.05 class accuracy with built-in standard transformers for precise ratio and no-load error measurement.

Wide Measurement Range: Covers 5A/5A to 31500A/5A and 5A/1A to 6300A/1A, suitable for diverse current transformer specifications.

Intelligent Error Detection: Automatically detects wiring errors, incorrect ratios, polarity issues, and data deviations with visual alerts.

User-Friendly Interface: Features an 8-inch high-resolution color LCD touchscreen for intuitive operation and effortless data visualization.

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

Extensive Data Storage: Large-scale storage device capable of storing up to 5,000 pieces of field test data for easy retrieval.

Multiple Connectivity Options: Supports RS232, USB, Bluetooth, and RJ45 interfaces for data transfer, printing, and firmware updates.

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: ≤1.72h

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 instrument features an accuracy grade of 0.05, utilizing built-in standard voltage and current transformers to ensure precise measurement of ratio and no-load error.

Q:Does the device support blind ratio testing?

Yes, it is the first-of-its-kind domestic technology capable of performing blind ratio testing of the transformer and calculating the estimated ratio value without needing standard transformers.

Q:What is the 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 does the battery last 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 detect wiring errors or polarity issues?

Yes, it features intelligent detection of external wiring conditions, providing alerts for connection errors, incorrect transformer ratios, or polarity issues.