What technical standards does this tester meet?

The technical indicators fully meet the DL/T624-1997 'microcomputer relay protection test device technology' standard issued by the Ministry of Electric Power.

What is the minimum order quantity?

The minimum order quantity is 1 set.

What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Instrument

Name: Microcomputer Secondary Current Injection Protection Relay Calibration Tester/Test Set/Instrument
Brand: Kiyu Power Wuhan Co., Ltd
SKU: 941946785

Hubei, ChinaKiyu Power Wuhan Co., Ltd

US$1,000.00-3,000.00

1 Piece

Product profile

Customization

Available

After-sales Service

Lifetime Service

Warranty

12 Months

Model NO.

CYJB-421

Application

Microcomputer Relay Protection Tester

Certification

ISO9001, ISO14001,OHSAS18001

Customized

Non-Customized

AC Current

3 X (0~40A/Phase)

DC Current

3 X (0~±10A/Phase)

AC Voltage

4 X (0~120V/Phase)

DC Voltage

4 X (0~±160V/Phase)

Accuracy

0.2%

Switch Quantity

8 Pairs of Input, 4 Pairs of Output

Transport Package

Wooden Box with Wrapping Film

Trademark

United Electrical

Origin

Wuhan, China

HS Code

9030820000

Key features

High Precision Output: 0.2% accuracy with 16-bit DAC and high-density sine wave generation.

GPS Synchronous Testing: Built-in GPS card allows synchronized testing of devices in different locations.

Windows XP System: Features recovery function to prevent crashes from illegal shutdowns or misuse.

High Fidelity Amplifier: Ensures accuracy for small currents and stability for large currents.

Comprehensive Standards: Fully meets DL/T624-1997 technical standards for microcomputer relay protection.

Auxiliary DC Source: Automatically outputs 220VDC/110VDC for protection power supply without software adjustment.

Lifetime Service: Provides lifetime after-sales service support for the equipment.

12 Months Warranty: Covers mechanical defects and performance issues for one year.

Company profile

Importers and ExportersCooperated with Fortune 500Patents AwardedQuality Assurance

Kiyu Power Wuhan Co., Ltd

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤9.20h

AI-Powered supplier vetting

SummaryThe supplier demonstrates established manufacturing and product-development capabilities, with four production lines, more than 160 electrical testing products, 17 years of experience, and stated high-tech enterprise and ISO9001 certifications. It offers full customization, ODM, OEM for known brands, and SDK support. Service procedures for supplier assessment, corrective actions, and complaint handling are documented and followed. Export activity is established, with Europe and North America listed among its markets and typical lead times within 15 working days. However, it reports no overseas warehouses, showrooms, agents or branches, and no participation in offline trade shows. Financial information is incomplete and internally inconsistent in the provided records, so financial credibility cannot be reliably assessed. Manufacturing quantity reconciliation is not continuously performed, and export-trade staffing appears limited to one experienced staff member.

Supplier typeThe supplier manufactures electrical testing products and operates four production lines. Its description states that it has developed more than 160 electrical test products and serves domestic, European, and North American markets, indicating a product manufacturer with export capability.

CertificationsThe company description explicitly states that it has high-tech enterprise certification and ISO9001 quality management system certification, as well as recognition from the Electrical Measuring & Testing Association of Hubei Province. These stated certifications and industry recognition support a positive assessment.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective and preventive actions. However, it reports no overseas warehouse, showroom, agent or branch, and no overseas service countries, so its international after-sales infrastructure is limited.

R&D capabilityThe supplier reports new products within the past year, ODM capability, an available SDK, and more than 160 developed electrical testing products. Its stated 17 years of experience and strong R&D support further indicate established innovation capability.

Production capacityThe supplier operates four production lines, has standardized instructions for finished-product inspection, and reports peak- and off-season lead times within 15 working days. A limitation is that the factory does not continuously reconcile quantities for every batch or volume production, but the available evidence still supports production capability.

Customization capabilityBoth records explicitly list full customization, customization from designs, minor customization, and flexible customization. The supplier also reports ODM service availability, providing direct evidence of broad customization support.

Client casesThe company states that its products have been recognized by diverse industrial sectors and that it provides OEM services for known brands. These statements indicate customer and brand-service experience, although no specific customer names, projects, or case details are provided.

Product Q&A

Q:What is the warranty period for this tester?

We provide a 12-month warranty for the product.

Q:Does the device support GPS synchronous testing?

Yes, the device can be equipped with a built-in GPS synchronous card to achieve synchronous testing of two test sets in different places via RS232 interface.

Q:What operating system does the tester use?

The device uses the Windows XP system with a recovery function to avoid system crashes caused by illegal shutdowns or misuse.

Q:What is the accuracy of the AC and DC current output?

The accuracy is 0.2% for the CYJB-421 model and 0.5% for the CYJB-426 model.

Q:Is this product customizable?

No, the product is listed as Non-Customized.