Diesel Nitrogen Oxide (NOx) Sensors

Diesel Nitrogen Oxide (NOx) Sensors - Professional SCR System Solution

Xi'an Qintai Automotive Emission Technology brings you cutting-edge Diesel Nitrogen Oxide (NOx) Sensors engineered for precision and durability. As China's No. 1 OEM supplier since 2001, we deliver sensors featuring measurement ranges of 0-3000 ppm with ±10% accuracy and operating temperatures up to 800°C. Our advanced dual-chamber design with Yttria-stabilized Zirconia ceramic elements ensures fast light-off within 30-60 seconds and reliable SAE J1939 CAN bus communication. With an annual production capacity exceeding two million sensors, ISO9001, IATF16949 certifications, and 58 invention patents, Qintai serves as the core supplier to Weichai Power, Yuchai Power, and Quanchai Power. Our 86-member R&D team continuously innovates to meet Euro VI and EPA Tier 4 emission standards.

What Are Diesel Nitrogen Oxide (NOx) Sensors?

The items are advanced electrochemical gadgets that screen nitrogen oxide concentrations in your vehicle's deplete framework. These sensors give real-time information to your Motor Control Unit (ECU), empowering exact control of Specific Catalytic Lessening (SCR) systems.

The innovation fathoms a basic challenge you confront in advanced outflow compliance. By measuring NOx levels precisely, these sensors anticipate smelling salts slip, dodge administrative fines, and keep your vehicles running easily without activating limp mode restrictions.

Our sensors utilize ceramic-based detecting components that provide reliable execution in unforgiving deplete situations. They're basic for assembly today's rigid outflow benchmarks whereas keeping up your operational productivity.

Technical Specifications

Core Functions That Benefit Your Operations

Your SCR system depends on accurate NOx measurements for optimal performance. Our sensors continuously monitor exhaust gas levels and transmit data to your ECU or SCR control module in real-time.

The primary function is controlling urea (AdBlue) dosing with precision. This prevents waste while ensuring your emission reduction system works at peak efficiency. You'll see immediate benefits in reduced operational costs and extended catalyst life.

Our Diesel Nitrogen Oxide (NOx) Sensors also verify the emission reduction efficiency of your catalytic converter. This helps you maintain compliance documentation and catch potential issues before they become costly repairs. The integrated diagnostic capabilities detect sensor or catalyst faults early, triggering diagnostic codes (DTCs) when service is needed.

Advanced Component Architecture

The detecting component highlights a zirconia ceramic cell that gives extraordinary exactness and life span. This dual-chamber plan to begin with expels oxygen through a essential pumping cell, at that point breaks down NOx in a auxiliary cell for tall signal-to-noise ratios.

An coordinates radiator component keeps up ideal sensor temperature all through operation. This guarantees reliable readings notwithstanding of surrounding conditions or driving designs. The radiator brings the sensor to working temperature rapidly, minimizing cold-start emissions.

Our flag conditioning circuit forms information productively some time recently transmission. The coordinates control module interfacing consistently with your ECU through standardized conventions. Quality connectors and wiring tackles total the gathering, planned to withstand vibration and warm push.

Rigorous Quality Control Standards

We subject each sensor to comprehensive testing conventions that surpass industry guidelines. Helium spill testing guarantees the airtight seal of the detecting component lodging avoids gas bypass that might compromise accuracy.

Thermal cycling and stun tests recreate real-world conditions. Your sensors experience fast cycling between -40°C and 850°C to duplicate cold begins and extraordinary operation scenarios. This ensures dependable execution all through the item lifecycle.

Salt shower and erosion resistance testing per ISO 9227 confirms strength. We test stainless steel lodgings and wiring tackles against unforgiving natural presentation. Vibration and mechanical stun testing taking after ISO 16750-3 mimics engine-mounted conditions to guarantee steady flag output.

Gas seat calibration gives last confirmation. Each sensor is calibrated against laboratory-grade reference gasses to affirm direct yield and reaction time parameters meet determinations.

Our Partners

We gladly serve as the center provider to China's driving motor producers counting Weichai Control, Yuchai Control, and Quanchai Control. These associations reflect our commitment to quality and development in emanation control technology.

Our No. 1 advertise share position in China illustrates the believe major OEMs put in our items. We work closely with accomplices to create customized arrangements that meet particular application prerequisites and execution targets.

Exhibition & Global Market Presence

Qintai routinely partakes in universal car presentations to grandstand our most recent sensor advances. Our worldwide nearness amplifies over Asia, Europe, and North America, serving clients who request solid outflow control solutions.

We keep up specialized bolster groups in key markets to give quick reaction to your request. Our universal certifications counting UL, CE, REACH, and RoHS empower consistent integration into worldwide supply chains.

Warehouse & Logistics

Our deliberately found distribution centers guarantee effective stock administration and quick fulfillment. With generation capacity surpassing two million sensors every year, we keep up stock levels that bolster both large-volume OEM orders and littler aftermarket requirements.

We utilize progressed coordinations frameworks to track shipments and give real-time overhauls. Our conveyance organize is optimized to minimize lead times whereas keeping up item astuteness all through the supply chain.

Packaging & Shipment

Each sensor receives protective packaging designed to prevent damage during transportation. Anti-static materials safeguard sensitive electronic components while moisture barriers protect against environmental exposure.

We offer customized packaging solutions for OEM customers who require branded or specialized packaging formats. Our shipping procedures comply with international standards for hazardous materials handling and transport documentation.

FAQ

Q: What is the work of a NOx sensor in your diesel vehicle?

A: The NOx sensor persistently measures debilitate gas NOx levels and sends information to your Motor Control Unit (ECU) or SCR control module. It screens and controls the SCR system's urea (AdBlue) dosing, confirms emanation lessening proficiency of the catalytic converter, guarantees your vehicle meets outflow guidelines like Euro VI and EPA, and identifies sensor or catalyst flaws activating demonstrative codes.

Q: What are the primary components of a NOx sensor?

A: The sensor incorporates a detecting component (zirconia ceramic cell), radiator component that keeps up sensor temperature, flag conditioning circuit, coordinates control module for ECU interface, and connector with wiring harness.

Q: How long does a NOx sensor ordinarily last?

A: With appropriate upkeep and quality fuel, our sensors ordinarily give dependable benefit for 100,000-160,000 kilometers. Life expectancy shifts based on working conditions, fuel quality, and upkeep practices.

Q: Can I supplant a NOx sensor myself?

A: Whereas mechanically competent clients can perform substitution, we prescribe proficient establishment. Appropriate establishment guarantees redress torque determinations, avoids deplete spills, and permits for vital ECU programming or adjustment procedures.

Q: Why does my vehicle require two NOx sensors?

A: Most advanced SCR frameworks utilize an upstream sensor some time recently the catalyst to degree approaching NOx and a downstream sensor after to confirm decrease effectiveness. This closed-loop setup guarantees ideal urea dosing and framework performance.

Independent R&D Drives Innovation

Our 86-member R&D group persistently creates progressed detecting innovations. We contribute intensely in inquire about to move forward item execution, unwavering quality, and compatibility with rising emanation standards.

This commitment to development has come about in 58 innovation licenses ensuring our exclusive advances. You advantage from sensors that join the most recent headways in materials science, flag preparing, and symptomatic capabilities.

Comprehensive OEM/ODM Services

We give end-to-end bolster from starting item plan through mass generation. Our OEM administrations permit you to use our fabricating mastery whereas keeping up your brand identity.

ODM capabilities empower us to create custom arrangements custom-made to your particular application prerequisites. Whether you require altered connectors, specialized calibrations, or special bundling, our group works collaboratively to provide precisely what you need.

Flexible Customization Support

Every application presents one of a kind challenges. We bolster adaptable item customization to address your particular working conditions, space imperatives, and execution requirements.

Our designing group assesses your details and suggests ideal sensor setups. From connector sorts to mounting courses of action, we adjust our standard items to fit consistently into your frameworks.

Contact Us

Ready to enhance your emission control systems with reliable Diesel Nitrogen Oxide (NOx) Sensors? Reach out today at info@qt-sensor.com for expert guidance and competitive quotations.