Three-Phase DC Resistance Tester for Transformer Testing

Name: Three-Phase DC Resistance Tester for Transformer Testing
Brand: Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd.
SKU: 1987597711

Hebei, ChinaHebei Dual Canopy Mechanic Electrical Engineering Co., Ltd.

US$990.00-4,570.00

1 Piece

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

SG3310S/20S/40S

Display Type

Analogue and Digital

Certification

Customized

Work Power

110V-400V Adjustable

Environment Humidity

≤85%Rh

Measurement Accuracy

± (0.2%+2)

Work Temperature

-10°C~ 50°C

Power Frequency

50±1Hz

Transport Package

Wooden Box with Foam Inside

Specification

350*216*226mm

Trademark

Dualcanpy

Origin

Hebei, China

HS Code

9030332000

Key features

Three-Phase Simultaneous Testing: Tests three phases at once to greatly shorten measurement time and improve efficiency.

Adjustable Power Supply: Work power range of 110V-400V adjustable to suit various power environments.

Multi-Function Integration: Combines simultaneous testing, magnetic augment, and degauss functions in one unit.

Wide Current Range Options: Supports multiple current levels from 20mA to 10A for different transformer sizes.

1-Year Warranty Coverage: Includes 1-year warranty for mechanical defects and manufacturing issues.

Customized Display Options: Available with both analogue and digital display types based on requirements.

CE Certified Safety: Meets CE certification standards for safety and quality compliance.

Company profile

Customization from SamplesManagement CertificationQuality AssuranceProduct Certification

Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.20h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier appears to be a sample-customization manufacturer with identified production equipment and a stated annual productivity figure of 5,000 sets. It holds an ISO9001:2015 certificate and reports conducting regular fire drills, but no additional certification detail is provided. The supplier lacks stated 3D software design, ODM, SDK, popular-brand OEM, overseas agent, overseas warehouse, overseas showroom, and in-stock service capabilities. Financial credibility cannot be confirmed because the supplied financial indicators are all reported as zero. Quality control appears limited to one inspector, with finished products checked by packing staff. Customer cases and documented service procedures are not sufficiently evidenced.

Supplier typeThe supplier explicitly states that it is not a professional technical supplier and provides no 3D software design, ODM, SDK, or popular-brand OEM services. Its stated design approach is customization from samples, while production equipment and a 5,000-set productivity figure indicate a manufacturing orientation.

CertificationsThe supplier reports holding an ISO9001:2015 certificate for management systems. Product compliance certification is listed only as “Others,” without a specific standard or certificate being identified, so certification coverage beyond ISO9001 cannot be confirmed.

After-Sales capabilityThe supplier reports no in-stock service, overseas warehouse, overseas showroom, overseas agent, or overseas branch capability, and has not participated in offline trade shows. It provides quotation and payment terms and lists some supplier names, but no clear after-sales service system or documented procedures is shown.

R&D capabilityThe supplier reports no new products during the past year, no professional technical R&D capability, no 3D software design, no ODM service, and no available SDK. These explicit limitations indicate weak evidence of independent innovation capability.

Customization capabilityCustomization from samples is explicitly listed as both an R&D-related design service and a general design capability. This directly supports the supplier’s ability to perform sample-based customization, although no broader engineering or software-design capability is evidenced.

Product Q&A

Q:What is a three-phase DC resistance tester mainly used for?

It is primarily designed to measure the DC resistance of windings in three-phase transformers, motors, and other electrical equipment, helping to detect faults like poor contact, winding short circuits, or uneven turns.

Q:What are the advantages of a three-phase DC resistance tester over a single-phase one?

Compared with single-phase testers, it can test three phases simultaneously, greatly reducing test time, improving work efficiency, and ensuring the consistency of test conditions for more accurate comparison results.

Q:Can the three-phase DC resistance tester be used for different voltage levels of transformers?

Yes, most three-phase DC resistance testers have adjustable current ranges and voltage adaptability, which can be applied to transformers of various voltage levels such as distribution transformers and power transformers, with specific parameters subject to the product manual.

Q:How to ensure the accuracy of test results when using a three-phase DC resistance tester?

First, ensure the tested equipment is completely powered off and discharged; second, connect the test leads firmly to avoid poor contact; third, wait for the test data to stabilize before recording, and perform multiple tests for verification if necessary.

Q:Is the three-phase DC resistance tester easy to operate on site?

Most models are designed with a portable structure, equipped with a user-friendly interface and one-key test function, which is suitable for field operations in substations, power plants, and other industrial sites without complex debugging.