Import Earth Ground Resistance Tester — Buy in wholesale FOB from Supplier in China
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Earth Ground Resistance Tester
This earth ground resistance tester is a portable, digital instrument designed to measure grounding system impedance under high electromagnetic interference. It operates using a frequency conversion method to generate test signals at 45Hz, 50Hz, 55Hz, 60Hz, or 65Hz, or in automatic dual-frequency mode (45-55Hz or 47.5-52.5Hz), allowing accurate readings even in substations with strong power frequency noise. The device outputs adjustable test currents from 1A to 5A and voltages up to 100V, with a maximum output power of 500W.
The instrument uses a high-speed processor and digital filtering to suppress interference from ambient 50/60Hz fields, achieving a resolution of 0.0001 ohms for impedance and 0.0001 degrees for phase angle. Its measurement range spans from 0.001 ohms to 5 ohms, suitable for low-resistance grounding systems in industrial, utility, and telecom installations. The device is rated for operation between 15°C and 40°C with humidity up to 80% RH and runs on standard AC 220V ±10% input, including generator compatibility.
The device is purchased by electrical contractors, utility maintenance teams, and industrial safety inspectors who require precise grounding validation in high-noise environments. Units are shipped in protective cases with test leads, auxiliary electrodes, and a calibration certificate. Trade terms are FOB Wuhan Port, with lead times of 20 to 30 days. No certifications are listed; buyers must request IEC 61557 compliance documentation and calibration traceability directly from the supplier.
| Measurement principle | Frequency conversion method |
| Test current range | 1A to 5A, adjustable |
| Test voltage range | Up to 100V |
| Output power | 500W |
| Test frequencies | 45Hz, 50Hz, 55Hz, 60Hz, 65Hz; automatic dual-frequency (45-55Hz, 47.5-52.5Hz) |
| Impedance measurement range | 0.001 ohm to 5 ohms |
| Impedance accuracy | 1% of reading + 0.002 ohm |
| Phase angle accuracy | 1% of reading + 0.02 degrees |
| Typical operating temperature | 15°C to 40°C (standard for industrial test equipment) |
| Typical humidity tolerance | Up to 80% RH non-condensing (standard for field instruments) |
Wuhan GDMK Electric Co., Ltd. is located in the Jiangxia District Economic Development Zone, Wuhan, Hubei Province, China. The company is verified as a harbor-level supplier with no public details on factory size, production capacity, or engineering staff. The listing does not mention certifications, ISO status, or export history. There is no indication of R&D capability or product design ownership; the device appears to be manufactured to a standard specification without proprietary innovation disclosed.
The supplier has no response rate or average response time recorded, suggesting limited customer service engagement. No product manuals, test reports, or compliance certificates are referenced in the listing. Buyers should assume this is a production-based exporter of generic electrical test equipment, not a branded manufacturer. All technical claims must be verified through independent testing and certification prior to import.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Earth Ground Resistance Tester from Wuhan GDMK Electric Co., Ltd. - China Import Guide
Verify the instrument’s accuracy by requesting a calibration certificate traceable to a national standard, such as NIST or PTB. Confirm the test leads and electrodes meet the required voltage and current ratings for 5A output. Inspect packaging for moisture protection, as internal electronics are sensitive to humidity. Do not accept units without a serial number or model label matching the specification sheet.
Lead time is estimated at 20 to 30 days but is unconfirmed. Confirm Incoterms are FOB Wuhan Port and request container loading details. Payment terms are not stated; assume 30% advance with balance against copy of bill of lading unless otherwise agreed. Request a commercial invoice with HS code 9030.89 for electrical measuring instruments. Ensure the device is labeled with CE, RoHS, and voltage input details as required by your country’s electrical safety regulations.
Perform a functional test on arrival using a known low-resistance standard or calibrated ground rod. Record readings across multiple frequencies and compare them to the stated accuracy. Check for consistent output current under load and verify that the display remains stable under ambient interference. Retain the original packaging and calibration documents for audit purposes. If the device fails initial tests, initiate a claim with the supplier before installation.
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30 suppliersBuy Earth Ground Resistance T in Bulk — Verified Supplier in China
When sourcing Earth Ground Resistance Tester for your business, securing the right balance of quality and cost is essential. Wuhan GDMK Electric Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $77015397/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Tools & Instruments sector with strong demand from importing countries worldwide.
Earth Ground Resistance T Specifications, Trade Terms & Pricing
Importing Earth Ground Resistance T requires careful attention to shipping logistics, customs compliance, and secure payment terms. Wuhan GDMK Electric Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Wuhan GDMK Electric Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Earth Ground Resistance T has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Tools & Instruments category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Earth Ground Resistance T — Shipping, Logistics & Customs
Importing Earth Ground Resistance T requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Earth Ground Resistance T
What is the wholesale price of Earth Ground Resistance Tester?
The current listed wholesale price for Earth Ground Resistance Tester from Wuhan GDMK Electric Co., Ltd. is $77015397/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Wuhan GDMK Electric Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Earth Ground Resistance T?
The supplier, Wuhan GDMK Electric Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Earth Ground Resistance T. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Earth Ground Resistance Tester?
The HS Code classification for Earth Ground Resistance Tester depends on the specific grade and form. Contact Wuhan GDMK Electric Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Earth Ground Resistance T from China?
To import Earth Ground Resistance T from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wuhan GDMK Electric Co., Ltd.. Ensure you have the necessary import licenses for Tools & Instruments products in your destination country.
Is Wuhan GDMK Electric Co., Ltd. a verified supplier?
Yes, Wuhan GDMK Electric Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Earth Ground Resistance Tester?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Wuhan GDMK Electric Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Earth Ground Resistance T?
Wuhan GDMK Electric Co., Ltd. offers Earth Ground Resistance T with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Earth Ground Resistance T the most?
Earth Ground Resistance T is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Wuhan GDMK Electric Co., Ltd. through our platform.
What certifications does this Earth Ground Resistance T supplier hold?
Wuhan GDMK Electric Co., Ltd. maintains international quality certifications. These ensure that the Earth Ground Resistance T meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Earth Ground Resistance Tester on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Wuhan GDMK Electric Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Wuhan GDMK Electric Co., Ltd..
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