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GDWR-30A Earth Resistance Tester for Ground Grid
US$9,600.00-15,000.00
1 Piece
Product profile
Customization
AvailablePower supply
AC 220V±10%Measuring output current
1A~50A adjustableModel NO.
GDWR-30AMeasuring output voltage
0V~800VRated output power
12kWMeasure output voltage
0V~800VUse condition
-15℃~40℃Transport Package
Wooden CaseSpecification
ISO, SGSTrademark
HV HipotOrigin
Wuhan, ChinaProduction Capacity
5000PCS/YearKey features
Strong Anti-Interference: Variable frequency 45Hz/55Hz with digital filtering avoids power frequency interference.
Full Touch LCD Display: Large graphical interface allows simple, single-touch operation without professional training.
Intelligent Auto-Control: Automatically adjusts output current (up to 50A) and completes calculations without intervention.
DSP High-Speed Processing: Professional DSP core ensures fast, accurate data processing and improved operational ability.
Mass Data Storage: Stores 100 groups chronologically; supports U-disk export and PC data management.
Adjustable Output Power: Output current 1A-50A adjustable; voltage 0V-800V; rated power 12kW.
Compact and Portable: Small volume, light weight, and integrated structure for convenient carrying and use.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service AvailableExport Year: 2011-07-01 CertifiedNearest Port: Wuhan PortAverage Response Time: ≤3.80h CertifiedTerms of Payment: LC, T/T
AI-Powered supplier vetting
SummaryHV Hipot Electric Co., Ltd. is a China-based factory and limited company in Wuhan, Hubei, established in 2006 according to the company profile, while another description states operations began in 2003. It manufactures high-voltage testing and related electrical measurement equipment, including AC/DC hipot testers, partial-discharge testers, and circuit-breaker testers. The supplier reports ISO9001:2015 and ISO14001:2015 certifications, three production lines, 6–10 quality-control staff, and eight years of R&D-engineer experience; another statement reports 18 technicians in its R&D team. It serves multiple overseas markets and accepts LC and T/T payment terms, with stated one-month lead times in both peak and off-peak seasons. Evidence supports established technical and manufacturing capabilities, but after-sales service, customization, and specific customer cases are not sufficiently documented.
Supplier typeThe supplier is identified as a limited company, a factory, and a manufacturing enterprise located in Wuhan, China. Its business focuses on instruments, meters, electrical and electronic products, particularly high-voltage testing equipment.
CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates, while another company description confirms ISO9001 quality management certification and high-tech enterprise qualifications. These statements provide direct evidence of formal quality and environmental management credentials.
R&D capabilityThe supplier reports successive development of multiple high-voltage testing products, participation in high-voltage and energy-saving projects with State Grid-related organizations, research institutions, and Wuhan University, and an R&D team described as 18 technicians. These are explicit indicators of product-development and technical innovation capability.
Production capacityThe supplier operates as a factory with three production lines, 6–10 quality-control staff, a 2,712 m² manufacturing plant, and stated one-month order fulfillment in both peak and off-peak seasons. It also reports self-operated import and export rights and serves several overseas markets, supporting a positive assessment of production and delivery capability.
Product Q&A
Q:How does the device handle strong electromagnetic interference?
A:
It uses variable frequency technology (45Hz or 55Hz) and high-end digital filtering to effectively avoid power frequency interference signals.
Q:What is the maximum output current of the tester?
A:
The output current is adjustable from 1A to 50A. Specifically, max 50A at 200V, 30A at 400V, and 15A at 800V.
Q:Can the device store and export test data?
A:
Yes, it stores 100 groups of data chronologically and supports export via U-disk for PC management.
Q:Is professional training required to operate the device?
A:
No, the full-touch large LCD and graphical interface allow for simple, single-touch operation without additional professional training.
Q:What parameters can this tester measure?
A:
It measures Soil Resistivity, Ground Grid Impedance, Earth Surface Potential, Step Voltage, and related parameters including pure resistance and inductance components.
Send Inquiry
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HV Hipot Electric Co., Ltd.
HV Hipot Electric Co., Ltd.*Content:
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