Import Current Transformer Field Calibrator — Buy in wholesale FOB from Supplier in China
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Current Transformer Field Calibrator
The Current Transformer Field Calibrator from Wuhan GDMK Electric Co., Ltd. is a portable instrument designed for on-site verification of current transformers in substations and power plants. It operates without external standard transformers, using an internal equivalent voltage transformer with 0.05 level accuracy to measure ratio and no-load error. The device employs recursive error calculation to combine impedance and admittance measurements into a complete transformer error profile.
The calibrator uses multi-frequency excitation (45 - 65 Hz) to minimize interference from power frequency harmonics, a critical feature for reliable field use. It supports input ranges from 5A/5A to 25000A/5A and 5A/1A to 6300A/1A, covering most industrial and utility applications. The instrument is built for rugged environments with a protective housing and internal battery backup, though no IP rating is specified in the listing.
This device is used by utility inspection teams, electrical contractors, and calibration labs that require compliance with DL/T 448-2000. Buyers typically need units with documented calibration certificates and software export capability. Packaging is a padded transport case. Delivery is FOB Wuhan Port. Lead time and MOQ are not stated; buyers must request these directly from the supplier.
| Measurement Range | 5A/5A to 25000A/5A or 5A/1A to 6300A/1A |
| Accuracy Class | 0.05 level for equivalent voltage transformer |
| Excitation Frequency | 45 Hz to 65 Hz, multi-frequency mode to avoid grid interference |
| Input Current | Up to 25000A primary, 5A or 1A secondary |
| Power Supply | AC 220V ±10%, 50/60 Hz, optional internal rechargeable battery |
| Error Calculation Method | Recursive algorithm combining ratio, impedance, and admittance measurements |
| Display Resolution | 0.001% for error, 0.01 mΩ for impedance, 0.1 μS for admittance |
| Weight | Approximately 12 kg including case |
| Operating Temperature | Typical range: -10°C to 50°C |
| Humidity Tolerance | Typical: up to 90% RH non-condensing |
Wuhan GDMK Electric Co., Ltd. is based in the Jiangxia District Economic Development Zone in Wuhan, China. The supplier is registered and operates in the field of electrical measurement equipment, but the listing provides no details on company history, workforce size, revenue, or export volume. Their trust tier is listed as 'harbor', and response rate data is unavailable.
No certifications such as ISO 9001, CE, or IEC 61010 are referenced in the product documentation. The company does not publish client lists, project references, or years of operation. All technical claims are derived from the product description and must be verified directly with the supplier before purchase. Buyers should request a signed statement of compliance with DL/T 448-2000.
| 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 Current Transformer Field Calibrator from Wuhan GDMK Electric Co., Ltd. - China Import Guide
Before ordering, verify the device complies with DL/T 448-2000 and SD109 for field calibration. Request the calibration certificate and confirm traceability to a national metrology institute. Ensure the device supports your local power frequency and that the internal voltage transformer matches your current transformer’s ratio range. Do not accept units without documented compliance evidence.
Confirm Incoterms - likely FOB Wuhan Port - and whether export documents are included. Lead time is not stated; request a written estimate of 15 to 30 days after payment. Payment terms are typically 30% advance and 70% against shipping documents. Ensure the commercial invoice includes HS code 9030.33 for accurate customs classification.
Upon delivery, inspect the unit for physical damage and test it with a known transformer to verify accuracy within 0.05%. Request the user manual, calibration software, and any firmware updates. Retain all documentation for audit purposes, as utilities require proof of calibration traceability. For orders over five units, consider a third-party inspection to validate performance before final payment.
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30 suppliersBuy Current Transformer Field in Bulk — Verified Supplier in China
When sourcing Current Transformer Field Calibrator 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.
Current Transformer Field Specifications, Trade Terms & Pricing
Importing Current Transformer Field 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 global 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 Current Transformer Field 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 import export marketplace. Start your sourcing journey today.
Import Current Transformer Field — Shipping, Logistics & Customs
Importing Current Transformer Field 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 Current Transformer Field
What is the wholesale price of Current Transformer Field Calibrator?
The current listed wholesale price for Current Transformer Field Calibrator 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 Current Transformer Field?
The supplier, Wuhan GDMK Electric Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Current Transformer Field. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Current Transformer Field Calibrator?
The HS Code classification for Current Transformer Field Calibrator 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 Current Transformer Field from China?
To import Current Transformer Field 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 Current Transformer Field Calibrator?
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 Current Transformer Field?
Wuhan GDMK Electric Co., Ltd. offers Current Transformer Field with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Current Transformer Field the most?
Current Transformer Field 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 Current Transformer Field supplier hold?
Wuhan GDMK Electric Co., Ltd. maintains international quality certifications. These ensure that the Current Transformer Field meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Current Transformer Field Calibrator 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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