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Handheld Device for Testing and Calibrating Overcurrent Earth Fault Directional Protection Relays
US$3,710.00
1-9 sets
US$3,650.00
10+ sets
Sample price:US$3710.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1 YearModel NO.
KDJB-S30Type
Electric Testing MachineAccuracy Grade
TbdDisplay
DigitalControl
Manual ControlWeight
2.6kgPower Source
AC220VProduct Name
Handheld Relay Protection TesterAC Voltage Output
4 Channels: 0-130VAC Current Output
3 Channels: 0-10AOutput Frequency
10-500HzDigital Inputs & Outputs
2 ChannelsAdapter
DC16.8V 5ABuilt-in Battery & Battery Life
Built-in Lithium Battery; 8 Hours of Normal UsTransport Package
Wooden PackageSpecification
255x210x78mmTrademark
KDZDOrigin
Hubei, ChinaHS Code
9030332000Production Capacity
500 Set/Sets Per MonthKey features
Comprehensive Protection Testing: Supports manual, state sequence, low-frequency load shedding, synchronization, and harmonic unit tests.
High Precision Output: AC voltage 0-130V with 0.1% accuracy; AC current 0-10A with 0.1% accuracy and 1mA resolution.
Portable Handheld Design: Weighs only 2.6kg with dimensions 255x210x78mm for easy on-site operation.
Long Battery Life: Built-in lithium battery provides 8 hours of normal use for continuous field testing.
Fast Response Time: Voltage and current rise/fall times are less than 100 microseconds for high-speed testing.
Flexible Frequency Simulation: Output frequency ranges from 10-500Hz, capable of simulating up to the 10th harmonic.
Precise Time Measurement: Telesignaling test offers 1ms resolution; digital outputs provide 0.1ms time resolution.
Customization Support: ODM and OEM services available with customization options from samples or designs.
Company profile
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: ≤1.89h
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 is the warranty period for this device?
A:
The device comes with a 1-year warranty.
Q:Does the device support AC voltage and current output?
A:
Yes, it features 4 channels of AC voltage output (0-130V) and 3 channels of AC current output (0-10A).
Q:How long does the battery last?
A:
The built-in lithium battery provides 8 hours of normal use.
Q:Can this tester perform harmonic tests?
A:
Yes, it can perform second harmonic inrush current lockout tests on transformer differential protection.
Q:Is the device customizable?
A:
Yes, ODM and OEM services are available, allowing customization from samples or designs.
Send Inquiry
*To:
Wuhan Kaidi Zhengda Electric Co., Ltd.
Wuhan Kaidi Zhengda Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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