What is the maximum output current for DC resistance testing?

The maximum output current is 20A, suitable for testing low-voltage coils of distribution transformers.

Portable Multifunctional Transformer CT PT Polarity Characteristics Tester Turn Ratio Meter TTR

Name: Portable Multifunctional Transformer CT PT Polarity Characteristics Tester Turn Ratio Meter TTR
Brand: Wuhan Kaidi Zhengda Electric Co., Ltd.
SKU: 2250851775

Hubei, ChinaWuhan Kaidi Zhengda Electric Co., Ltd.

US$5,200.00

1-2 sets

US$5,000.00

3+ sets

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

KDRB-ZH

Type

Electric Testing Machine

Load Way

Electronic Load

Display

Digital

Weight

12kg

Power Source

AC220V

Current Test Accuracy

±(Reading*5%+0.2na)

Capacitance Discharge Rate

From 10000V to 10V, 0.5s/μf

Short Circuit Current

1mA~5mA Optional

Dimensions

438*318*190

Insulation Resistance Output Voltage

500V~5000V Optional

Customized Support

OEM, ODM, Obm, Software Reengineering

Capacity

30kVA~65000kVA

Capacity, No-Load Test

Voltage AC 50V~850V, Current AC 0.5A~100A

Capacitance Test Range

±(Reading*15%+0.03na)

Current Test Range

10mA

Transport Package

Wooden Box

Specification

438x318x190mm

Trademark

KDZD

Origin

Hubei, China

HS Code

9030841000

Key features

4-in-1 Comprehensive Testing: Integrates DC resistance, ratio, insulation, and capacity tests in one device.

Portable Design: Lightweight 12kg unit with built-in 11AH lithium battery for field use.

Advanced Operating System: Embedded Linux with A7+M4 dual-core for smooth, secure, and fast operation.

Energy Efficiency Compliance: Measures transformer energy efficiency grade per GB20052-2020 standard.

Flexible Customization: Supports OEM, ODM, and software reengineering for tailored solutions.

Adjustable Insulation Test: Output voltage 500V-5000V and short-circuit current 1mA-5mA are optional.

Multi-Interface Connectivity: Features various wired and wireless interfaces for easy function expansion.

Company profile

Importers and ExportersSelf-brandedQuality Assurance

Wuhan Kaidi Zhengda Electric Co., Ltd.

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Shenzhen Port.Wuhan Port.Shanghai Port.Guangzhou Port.Average Response Time: ≤1.07h

AI-Powered supplier vetting

SummaryThe supplier demonstrates documented quality, environmental, occupational-safety, service-management, and corrective-action practices. It offers OEM and ODM services, has reported new products within the past year, provides broad customization, and has valid manufacturing contracts with affiliated subcontractors. Export activity, self-operated import/export rights, multiple port options, and stated lead times indicate established international service capability. However, it does not provide 3D software design, has no in-stock service, overseas warehouse, or overseas showroom capability, and the evidence does not establish detailed production scale or financial strength. Customer references are limited to stated export destinations and general customer praise.

Supplier typeThe supplier provides manufacturing and assembling-related services, supports OEM and ODM arrangements, and maintains valid contracts with affiliated subcontractors. It also has self-operated import/export rights, while no evidence identifies it as a trading-only supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, covering quality management, occupational health and safety, and environmental management. These are explicit certifications relevant to supplier qualification.

After-Sales capabilityThe supplier states that it provides comprehensive pre-sale, in-sale, and after-sales service, and it has written procedures and records for service capability assessment, corrective and preventive action, and complaint handling. The evidence supports a documented after-sales process, although it does not quantify response or resolution performance.

R&D capabilityThe supplier reports new products within the past year, offers ODM services, and has an available SDK. These points provide explicit evidence of product-development capability, although the supplier does not provide 3D software design services.

Production capacityThe supplier has an assembling line, two quality assurance and quality control inspectors, standardized finished-product inspection instructions, valid manufacturing contracts with affiliated subcontractors, and stated lead times within 15 workdays in both peak and off-seasons. It lacks in-stock capacity, overseas warehouses, and overseas showrooms, but those limitations do not negate the evidenced manufacturing and delivery capabilities.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also offers OEM and ODM services. This indicates broad product customization capability; the separate lack of 3D software design services is a specific limitation rather than evidence against general customization.

Client casesThe supplier states that its products are exported to Australia, Russia, India, Pakistan, Vietnam, and other countries, and reports customer praise. These are evidence of international market exposure, but no named customer cases, project details, or independently verifiable references are supplied.

Product Q&A

Q:What tests does the KDRB-ZH 4 in 1 tester perform?

It performs DC resistance, ratio, polarity, insulation resistance, absorption ratio, polarization index, capacity, load, no-load, and zero-sequence impedance tests.

Q:What is the warranty period for this equipment?

The product comes with a 1-year warranty.

Q:Can this device be customized for specific needs?

Yes, we support OEM, ODM, and software reengineering. Customization from samples and designs is available.

Q:What is the power source and battery capacity?

It is powered by a built-in 11AH lithium battery with a charger, using AC220V input.

Q:Does the tester comply with energy efficiency standards?

Yes, it accurately measures and judges the energy efficiency grade of distribution transformers in accordance with the GB20052-2020 standard.