Import Contact Resistance Test Set — Buy in Bulk from Supplier in China
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Contact resistance test set
The Contact Resistance Test Set from Wuhan Dotek Electric Co., Ltd. is a four-terminal measurement instrument designed to detect micro-ohm level resistance in electrical joints, busbar connections, and switchgear contacts. It operates with a switching current source of 10 A to 100 A DC and includes a digital display with resolution down to 0.1 micro-ohm. The device is calibrated to comply with IEC 60258 and IEEE 1459 standards for contact resistance testing.
The instrument uses a four-wire Kelvin measurement method to eliminate lead resistance error, ensuring accuracy even with long test leads. It incorporates a smoothing filter to reduce ripple from the internal current source and operates with a measurement range of 0.1 µΩ to 199.9 mΩ. The device is not battery-powered; it requires a 220 V AC input. No internal calibration is user-accessible, and the unit must be returned to the manufacturer for recalibration.
This test set is used by electrical maintenance teams in power substations, automotive assembly plants, and industrial control labs to verify the integrity of high-current connections. Buyers typically require units for quality control departments or field service teams. Delivery includes test leads, calibration certificate, and protective case. Lead time is 20 to 30 days. Payment terms include T/T and L/C. Incoterms available are FOB Wuhan or CIF port of destination.
| Measurement range | 0.1 µΩ to 199.9 mΩ |
| Test current | 10 A, 25 A, 50 A, 100 A DC (switchable) |
| Resolution | 0.1 µΩ |
| Accuracy | ±(0.5% of reading + 2 digits) |
| Measurement method | Four-terminal (Kelvin) method |
| Current source type | Switching DC source with smoothing filter |
| Display | Digital LCD, 4.5-digit |
| Power supply | 220 V AC, 50/60 Hz |
| Operating temperature | 0°C to 40°C |
| Compliance | Typical reference to IEC 60258 and IEEE 1459 standards |
Wuhan Dotek Electric Co., Ltd. is a manufacturer based in Wuhan, Hubei, producing electrical testing equipment for industrial applications. The company is classified as a harbor-tier supplier with verified business registration. It does not publish company history, employee count, or annual revenue. The listing confirms no certifications such as ISO or CE are held or claimed. No client names, case studies, or export references are provided.
The supplier designs and assembles test instruments in-house but does not disclose details about its R&D capacity or component sourcing. It does not manufacture its own current sensors or digital controllers; these are sourced from third-party electronics suppliers. Response rate and average response time are not available, indicating no active customer support channel on the platform. Buyers must confirm technical specifications directly with the supplier before purchase.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Contact Resistance Test Set from Wuhan Dotek Electric Co., Ltd. - China Import Guide
Before ordering this test set, verify the calibration certificate, measurement range, and current output accuracy. Confirm the device supports the required test current levels for your applications, such as 100 A for high-current busbars. Do not assume compliance with IEC standards unless documented. The supplier does not provide certification on the platform, so request direct proof.
Lead time is typically 20 to 30 days. Payment terms are T/T or L/C. Incoterms available are FOB Wuhan or CIF port of destination. The device must be shipped in a rigid, shock-absorbing case with desiccant. Buyers must confirm the voltage input is compatible with their local supply (220 V AC, 50/60 Hz). Ensure the packaging includes test leads, manuals, and calibration documents.
Quality checks should include verifying the display resolution, testing with a known shunt resistor, and confirming the four-wire connection integrity. Buyers should perform a functional test upon receipt and compare results with the calibration certificate. Document all test conditions and results. Retain the calibration certificate for audit purposes. If used in regulated industries, ensure traceability to national standards.
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30 suppliersBuy & Import Contact Resistance Test S — Wholesale Supply from China
Securing a reliable supply chain for Contact Resistance Test Set is critical for maintaining your business operations. Wuhan Dotek Electric Co., Ltd., a verified supplier located in China, provides high-quality Contact Resistance Test S ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Products industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Contact Resistance Test S from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Wuhan Dotek Electric Co., Ltd.. This seamless communication is powered by EximNext, a premier global B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Wuhan Dotek Electric Co., Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Wuhan Dotek Electric Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Related category or discover new suppliers across the Products sector. Expand your sourcing capabilities through our trusted import export marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Contact Resistance Test S
When importing Contact Resistance Test S from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Contact Resistance Test S
How can I get the wholesale price for Contact Resistance Test Set?
Click the "Request Quotation" button to contact Wuhan Dotek Electric Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Contact Resistance Test S in bulk from China?
Yes, Wuhan Dotek Electric Co., Ltd. provides Contact Resistance Test S for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Wuhan Dotek Electric Co., Ltd.. Contact the supplier to discuss the best logistics options for importing Contact Resistance Test S to your country.
How do I request a sample of Contact Resistance Test Set?
Send a direct message to Wuhan Dotek Electric Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Wuhan Dotek Electric Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Contact Resistance Test S?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Wuhan Dotek Electric Co., Ltd..
Does Wuhan Dotek Electric Co., Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Wuhan Dotek Electric Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Products suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Related manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Wuhan Dotek Electric Co., Ltd. for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our global B2B marketplace.
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