Import 4-20ma To Rs485 Converter,Ad Converter — Buy in wholesale FOB from Supplier in China
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Shenzhen WAYJUN Industrial Automation’s 4-20mA to RS485 converter is part of its WJ21 series, a line of analog signal acquisition modules designed for industrial data conversion. The WJ21-A4-485 model specifically accepts a 4-20mA current input and outputs a digital RS485 signal, enabling integration with PLCs, HMIs or other serial devices. The module features 12-bit AD conversion, delivering a testing accuracy greater than 0.1 percent, a standard precision for industrial applications.
The converter supports a wide input range, including 0-5V, 0-10V, 0-12V voltage signals and 0-20mA, ±20mA current signals, in addition to the 4-20mA standard. It operates on an 8-32 VDC power supply, a broader range than typical converters, allowing flexibility in various industrial environments. The unit is housed in a slim-line plastic case with integral 35mm DIN rail mounting, a standard form factor for panel installation.
This converter is used in applications such as factory automation for real-time monitoring, environmental data acquisition and process control systems. Buyers in industries like manufacturing, energy and water treatment use these modules to bridge analog sensors with digital control systems. The WJ21 series also supports Modbus RTU protocol, a typical industrial communication standard, and allows programming of module address and baud rate via the RS485/232 interface.
| Model Series | WJ21 |
| Input Signal Range | 4-20mA, 0-20mA, 0-5V, 0-10V, 0-12V, ±5V, ±10V, ±100mV |
| Output Interface | RS485, RS232 |
| AD Conversion Resolution | 12-bit |
| Accuracy | > 0.1% |
| Isolation Rating | 3000 VDC |
| Power Supply | 8-32 VDC |
| Protocol Support | Modbus RTU |
| Mounting | DIN 35mm rail |
| Dimensions | 106.7 x 79.0 x 25.0 mm |
Shenzhen WAYJUN Industrial Automation is based in Minzhi, Longhua District, Shenzhen, Guangdong, with its office located on the 10th floor of Taojing Building. The company specializes in industrial automation products, particularly analog signal acquisition and conversion modules. Its profile indicates it operates as a harbor-tier supplier, suggesting a focus on export-oriented trade.
The supplier’s description highlights its WJ21 series as a core product line, offering a variety of input and output configurations for industrial applications. However, the profile does not provide details on certifications, production capacity, or client base. Buyers should directly confirm technical support, lead times and after-sales service, as no response rate or average response time is available in the profile.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Sourcing 4-20mA to RS485 Converter from Shenzhen WAYJUN Industrial Automation - China Import Guide
Before placing an order, confirm the specific model variant (e.g., WJ21-A4-485) and its input/output configuration to ensure compatibility with your sensors and communication network. Verify whether the converter’s 12-bit resolution and >0.1 percent accuracy meet your application’s precision requirements. Check if the 8-32 VDC power supply range aligns with your system’s capabilities.
Discuss logistics with Shenzhen WAYJUN Industrial Automation, including lead time, which typically ranges from 10 to 30 days for industrial electronics. Clarify Incoterms, as FOB Shenzhen is common, and confirm whether the supplier offers DDP or other terms if needed. Payment terms usually involve a 30-50 percent deposit, with the balance due before shipment, but this should be negotiated directly.
For quality control, request a calibration certificate to validate the converter’s accuracy and a test report to confirm isolation and signal integrity. Inspect the unit for physical defects upon delivery and perform a functional test with a known input signal. Ensure the supplier provides a warranty and technical support, as industrial automation systems often require long-term reliability and troubleshooting assistance.
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30 suppliersBuy 4-20ma To Rs485 Converter in Bulk — Verified Supplier in China
When sourcing 4-20ma To Rs485 Converter,Ad Converter for your business, securing the right balance of quality and cost is essential. Shenzhen WAYJUN Industrial Automation, 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 $55.38/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Converters & Switches sector with strong demand from importing countries worldwide.
4-20ma To Rs485 Converter Specifications, Trade Terms & Pricing
Importing 4-20ma To Rs485 Converter requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shenzhen WAYJUN Industrial Automation 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 Shenzhen WAYJUN Industrial Automation — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this 4-20ma To Rs485 Converter 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 Converters & Switches category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import 4-20ma To Rs485 Converter — Shipping, Logistics & Customs
Importing 4-20ma To Rs485 Converter 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 4-20ma To Rs485 Converter
What is the wholesale price of 4-20ma To Rs485 Converter,Ad Converter?
The current listed wholesale price for 4-20ma To Rs485 Converter,Ad Converter from Shenzhen WAYJUN Industrial Automation is $55.38/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 Shenzhen WAYJUN Industrial Automation through EximNext.
What is the Minimum Order Quantity (MOQ) for 4-20ma To Rs485 Converter?
The supplier, Shenzhen WAYJUN Industrial Automation, has set a Minimum Order Quantity (MOQ) of 1 Bags for 4-20ma To Rs485 Converter. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for 4-20ma To Rs485 Converter,Ad Converter?
The HS Code classification for 4-20ma To Rs485 Converter,Ad Converter depends on the specific grade and form. Contact Shenzhen WAYJUN Industrial Automation through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import 4-20ma To Rs485 Converter from China?
To import 4-20ma To Rs485 Converter from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shenzhen WAYJUN Industrial Automation. Ensure you have the necessary import licenses for Converters & Switches products in your destination country.
Is Shenzhen WAYJUN Industrial Automation a verified supplier?
Yes, Shenzhen WAYJUN Industrial Automation 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 4-20ma To Rs485 Converter,Ad Converter?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Shenzhen WAYJUN Industrial Automation through EximNext.
What packaging options are available for bulk orders of 4-20ma To Rs485 Converter?
Shenzhen WAYJUN Industrial Automation offers 4-20ma To Rs485 Converter with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import 4-20ma To Rs485 Converter the most?
4-20ma To Rs485 Converter is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shenzhen WAYJUN Industrial Automation through our platform.
What certifications does this 4-20ma To Rs485 Converter supplier hold?
Shenzhen WAYJUN Industrial Automation maintains international quality certifications. These ensure that the 4-20ma To Rs485 Converter meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for 4-20ma To Rs485 Converter,Ad Converter on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shenzhen WAYJUN Industrial Automation 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 Shenzhen WAYJUN Industrial Automation.
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