Does the device support frequency selective voltage measurement?

Yes, when used with the dedicated frequency selective voltmeter, it can measure step voltage, transfer potential, and contact voltage with high accuracy.

5A Large Ground Network Earth Grid Resistance Testing Device

Name: 5A Large Ground Network Earth Grid Resistance Testing Device
Brand: Wuhan Hertz Power Equipment Co., Ltd
SKU: 2170721475

Hubei, ChinaWuhan Hertz Power Equipment Co., Ltd

US$2,999.00-18,999.00

1 Piece

Product profile

Customization

Available

After-sales Service

24-Hour Online Service

Warranty

One Year

Model NO.

HZDW-F

Display Type

Digital Only

Certification

Customized

Model No.

Hzdw-F

Power Supply

AC180~270V,.50/60Hz

Loading Method

Static Load

Control

Manual Control

Operating Temperature

-10ºC~55ºC

Resistance Range

0.01-5000ω

Current Range

0.00mA-20.0A

Max. Output Voltage

400V

Instrument Weight

18kg

Dimension

370*285*285mm

Transport Package

Wooden Box with Foam

Specification

355*335*340mm

Trademark

HZRTZ POWER

Origin

Wuhan, China

HS Code

9030339000

Production Capacity

500sets/Month

Key features

Anti-Interference Technology: Uses frequency conversion tech to get accurate 50Hz data in strong interference environments.

Multi-Function Testing: Measures grounding resistance, impedance, soil resistivity, step voltage, and contact voltage.

Customizable Design: Supports OEM/ODM/OBM and custom built-in software according to special requirements.

User-Friendly Operation: Features full English menu, large LCD display, and built-in micro printer for results.

Low Wiring Labor: No need for large current lines, simplifying setup and reducing labor costs.

Comprehensive Warranty: Provides one-year warranty for quality issues and lifetime technical support.

Professional Packaging: Includes professional internal/external packaging and extra fragile parts for safe transport.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExhibition ExperienceManagement Certification

Wuhan Hertz Power Equipment Co., Ltd

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples CertifiedNearest Port: Wuhan Port, Shenzhen Port, Shanghai PortAverage Response Time: ≤2.66h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryWuhan Hertz Power Equipment Co., Ltd. is an electrical and power equipment manufacturer, seller, repair provider, and technical service supplier based in Wuhan, China. It holds ISO9001:2015 and ISO14001:2015 certificates, reports available SDK capability, design-based customization, four production lines, inventory capability, and documented finished-product inspection instructions. Its stated product output includes cable fault locators, transformer oil hipot testers, relay protection testers, power frequency test devices, and series resonance AC test sets. The supplier exports primarily to North America, with exports representing 51%–70% of total sales and seven years of export experience. However, it reports no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, no outsourcing SOP, and no continuous quantity reconciliation for each batch. Evidence of customer cases and after-sales execution is insufficient.

Supplier typeThe supplier is identified as a China-based manufacturer and seller of instruments, electrical and power equipment, and mechanical equipment, with repair, research and development, software, and technical service activities. Its registered and physical addresses are the same Wuhan location, supporting classification as an equipment manufacturer and technical-service provider.

CertificationsThe supplier reports holding ISO9001:2015 and ISO14001:2015 certificates. These explicitly demonstrate quality-management and environmental-management certification, although no certificate scope or validity dates are provided.

R&D capabilityThe supplier reports available SDK capability and includes equipment research and development, software development, technology development, consultation, and technical exchange in its scope. These facts support technical-development capability, but no R&D investment, patent, product-development record, or engineering-team scale is provided.

Production capacityThe supplier reports four production lines, inventory capability, and stated annual product outputs across five categories, including 500 cable fault locators, 1,000 transformer oil hipot testers, 1,000 relay protection testers, 800 power frequency test devices, and 500 series resonance AC test sets. Capacity controls have weaknesses: there is no valid manufacturing-capacity contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityThe supplier explicitly reports customization from customer designs. This is direct evidence of design-based customization capability, although the available information does not specify engineering scope, tooling capability, lead times, or customization limitations.