The New Power NPEXA-C11V5 is an industrial safety barrier designed specifically for load cell bridge signal transmission in hazardous environments. This isolated safety barrier acts as a critical interface device, ensuring intrinsic safety by limiting the electrical energy transferred between control room equipment and field instrumentation. Engineers utilize this model to prevent ignition in explosive atmospheres, meeting stringent safety standards for process automation. The NPEXA-C11V5 maintains high signal integrity for strain gauge bridges, effectively isolating measurement circuits from potential high-voltage faults. This unit serves as a vital component for technicians managing maintenance requirements in petrochemical, mining, and high-precision weighing systems where reliable signal isolation is mandatory.
Product Type & Category Positioning
The NPEXA-C11V5 belongs to the category of isolated safety barriers, specifically engineered for bridge-circuit load cell applications. These devices function as intrinsically safe interfaces that decouple field-side hazardous area signals from non-hazardous area monitoring equipment. Unlike zener barriers that rely on fuse protection, this galvanic isolation type eliminates the need for a high-integrity safety ground.
Building on this classification, the NPEXA-C11V5 occupies a specialized segment within industrial electronics. It specifically supports bridge-type sensors, which require highly stable excitation voltage and precise mV-level signal amplification. The unit is typically mounted on standard DIN rails within control cabinets to streamline installation density. It serves as a bridge between the physical measurement layer and PLC/DCS systems in automated production environments.
Technical Specifications
Brand: New Power.
Model: NPEXA-C11V5.
Application: Load cell bridge circuits.
Input Signal: Strain gauge/bridge type sensors.
Excitation Voltage: 5 VDC to 10 VDC (selectable).
Isolation Type: Galvanic isolation.
Channel Configuration: Single channel.
Response Time: ≤ 20 ms.
Accuracy: ± 0.1% F.S.
Operating Temperature: -20 °C to +60 °C.
Storage Temperature: -40 °C to +80 °C.
Mounting: 35 mm DIN rail.
Protection Rating: IP20.
Housing Material: Flame-retardant polyamide.
Certification Standards: IECEx, ATEX.
Technical Highlights
The design of the NPEXA-C11V5 prioritizes high-precision signal transmission and robust galvanic isolation. By utilizing active isolation technology, the module effectively eliminates common-mode noise that often plagues bridge circuit measurements in industrial settings.
Furthermore, the unit incorporates an advanced excitation voltage regulation system. This circuit ensures that the load cell receives a constant voltage even if the input power supply fluctuates, thereby maintaining measurement stability. The integration of surge protection features prevents transient voltage spikes from damaging sensitive downstream PLC inputs or the load cell itself.
Application Scenarios
Petrochemical Weighing Systems: Facilitates continuous mass flow measurement in explosive zones with a signal stability deviation of less than 0.05% per 24 hours. The barrier prevents electrical arcing in gas-filled environments, ensuring operator safety during chemical processing. Automated Silo Inventory Management: Enables real-time load monitoring for bulk material storage tanks, reducing manual measurement errors by up to 15%. This implementation provides consistent data transmission over cable distances up to 500 meters without signal degradation. High-Precision Packaging Lines: Supports rapid-response weight verification in production environments requiring a response time of less than 20 ms. The galvanic isolation protects the central control unit from field-side electrical interference, ensuring consistent product batch consistency.
Selection Recommendations
Suitable Application: High-precision batching systems where signal repeatability is critical (bridge resistance ≥ 350 Ω, excitation current ≤ 50 mA, and environment temperature stability within ±5 °C). The NPEXA-C11V5 excels here due to its low thermal drift characteristics. Unsuitable Application: Heavy-duty structural stress testing in extreme environments where vibration levels exceed 5G or direct sunlight exposure causes internal component heating above 70 °C. For high-vibration scenarios, specialized shock-mounted enclosures are required instead of standard DIN rail barriers. Series Comparison: For applications requiring dual-channel monitoring or redundant bridge inputs, we suggest reviewing the NPEXA-C22V5 series. While the NPEXA-C11V5 is optimized for single-bridge sensitivity, the C22V5 version offers integrated logic for dual-load cell summing at the barrier level.
FAQ
1. What are the weight and dimensions of the NPEXA-C11V5, and is it compatible with standard cabinets?
The NPEXA-C11V5 measures 110 mm by 12.5 mm by 115 mm and weighs approximately 150 grams. Its slim 12.5 mm width allows for high-density installation on standard 35 mm DIN rails. We recommend maintaining at least 10 mm of spacing between units to facilitate proper thermal dissipation. This design ensures full compatibility with standard industrial control panels used in global manufacturing.
2. What is the lead time for this unit, and do you have units in stock?
We maintain a steady inventory of the NPEXA-C11V5 to ensure rapid fulfillment for our clients. Standard orders are dispatched within 3 working days after payment clearance. For bulk orders exceeding 50 units, our logistics team coordinates a delivery timeline of 10 to 15 working days. Beijing Zhongping Technology prioritizes efficient shipping via international couriers to meet your project deadlines.
3. How much does it cost, and what are your payment terms?
The pricing for this model ranges from $180 to $330 USD per unit, depending on the order volume and shipping destination. Prices fluctuate due to exchange rates, tariffs, and factory adjustments. For an accurate, itemized quotation including freight, please contact Beijing Zhongping Technology directly. We accept wire transfers and major credit cards, with payment typically due in full prior to the dispatch of goods.
4. Is there a specific procedure for installing the NPEXA-C11V5 in a hazardous area?
Installation requires mounting the barrier within a non-hazardous area or an appropriately rated explosion-proof enclosure. Step 1: Secure the unit to a 35 mm DIN rail. Step 2: Connect the field-side load cell wires to the intrinsically safe terminals. Step 3: Wire the safe-area side to the PLC interface. We provide a detailed technical manual with every purchase to ensure compliance with local electrical safety regulations.
5. Does the NPEXA-C11V5 come with a warranty, and what is your return policy?
We offer a 12-month manufacturer warranty covering defects in materials and workmanship. If a unit fails under normal operating conditions, our support team will guide you through a troubleshooting protocol. Should the hardware be confirmed as faulty, we provide a replacement unit free of charge. For returns unrelated to defects, please contact us within 14 days of receipt for a return authorization.
6. Can this barrier be used with non-standard load cell bridge resistances?
The NPEXA-C11V5 is factory-calibrated for standard 350 Ω to 1000 Ω bridge resistances. It operates optimally within these parameters, ensuring the excitation voltage remains stable and accurate. If your specific sensor falls outside this range, our technical support team can assess the impedance mismatch. In such cases, we may offer customized impedance matching components for an additional fee.
7. What kind of technical support is available if I encounter signal fluctuations?
Our technical support department provides diagnostic assistance to isolate the source of signal interference. Step 1: Submit the serial number and a screenshot of the output readings. Step 2: Our engineers analyze the bridge excitation stability and grounding configuration. Step 3: We provide a diagnostic guide to verify if the issue stems from cable shielding or grounding loops. This service is included at no extra cost for all verified customers.
8. Does the price include the required terminal blocks and accessories?
Each NPEXA-C11V5 unit ships with the necessary pluggable screw-terminal connectors required for standard field wiring. These terminal blocks are color-coded to distinguish between hazardous and non-hazardous sides. If you require extra connector sets or specialized shielded cable glands for your installation, these items are available for an additional fee. Please request a full bill of materials when you finalize your order.
9. Are there specific maintenance requirements for this safety barrier?
The unit is designed as a maintenance-free device due to its solid-state construction and high-grade potting compounds. We recommend a visual inspection every 12 months to ensure that the terminals are tight and free from oxidation or dust accumulation. No internal calibration is required throughout the product service life. If the status LED indicates a fault, check the input voltage levels before contacting our support team.
10. What shipping options are available for international orders?
We offer air freight, ocean freight, and courier services depending on the urgency and size of your order. Our team handles all necessary export documentation, including certificates of origin and compliance declarations. For expedited shipping, we partner with reliable global carriers to deliver products within 5 to 7 business days. Contact our logistics department to discuss the most cost-effective shipping method for your location.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
+86 010-64225983
+8613811814778
Building 26, Liyuan Community, Chaoyang District, Beijing, China
