When your diesel engine demands precision thermal monitoring, our Exhaust Gas Temperature (EGT) Sensor delivers enterprise-grade reliability for critical emission control systems. As a national high-tech enterprise since 2001, Xi'an Qintai produces sensorscapable of measuring temperatures up to 850°Cwith exceptional accuracy. Our sensors feature simple, reliable construction that ensures easy installation across SCR, DPF, and EGR systems. With an annual production capacity exceeding two million sensors and ISO9001, IATF16949, CE, and RoHS certifications, we serve as theNo. 1 ranked core supplierfor China's leading power manufacturers including Weichai, Yuchai, and Quanchai. Our 86-strong R&D team continuously innovates to meet your evolving thermal management needs.

Your diesel aftertreatment frameworks work in brutal conditions. Our sensors withstand warm stun testing from -40°C to 900°C for over 500 cycles without compromising flag integrity.
We get it your torment focuses. Motor Control Units require millisecond-level reaction times to anticipate turbocharger harm and optimize DPF recovery cycles.
Our hermetically fixed sensor tips stand up to destructive deplete gasses and dampness penetration. Each unit experiences helium spillage testing to ensure long-term toughness in unforgiving car situations.
| Parameter | Specification |
|---|---|
| Electrical Characteristics | |
| Operating Voltage | 5V |
| Operating Current | 2.7mA~4.2mA |
| Temperature Measurement | |
| Accuracy (-40℃-300℃) | ±4.5℃ |
| Accuracy (300℃-850℃) | ±1.5℃ |
| Response Time | |
| Saltwater Test (27℃-420℃) | T63<4.5S |
| Insulation Resistance | |
| At 100℃ | 10MΩ |
| At 500℃ | 1MΩ |
| Environmental Conditions | |
| Operating Temperature Range | -40℃ to +850℃ |
| Operating Humidity | 0~95% Relative Humidity |
| Storage Temperature | -40℃ to +100℃ |
| Operating Pressure | 0-2 bar |
Your deplete gas temperature observing specifically impacts three basic zones. To begin with, our sensors avoid disastrous equipment disappointments by identifying over-temperature conditions some time recently they soften turbocharger turbines.
Second, you'll keep up compliance with Euro VI and Level 4 outflow guidelines. Real-time warm information empowers exact DPF recovery timing, lessening fuel utilization and particulate matter emissions.
Third, our sensors offer assistance your ECU alter fuel infusion and start timing powerfully. This shields against effectiveness misfortunes caused by dishonorable air-fuel proportions amid high-load operations like towing or slope climbing.
Independent R&D Team
Our 86 engineers continuously develop innovative sensing technologies. We hold 58 invention patents focused on thermal sensing accuracy and durability improvements.
Production Capacity
With 420 skilled employees, we manufacture over two million sensors annually. Our facilities maintain strict quality control through destructive and non-destructive testing protocols.
Quality Assurance
Every exhaust gas temperature (egt) sensor passes vibration durability testing that simulates millions of road kilometers. Insulation resistance testing at high temperatures ensures signal noise prevention throughout the sensor's lifespan.

We proudly serve as the primary sensor supplier to China's top diesel engine manufacturers. Our partnership with Weichai Power, Yuchai Power, and Quanchai Power reflects our market-leading position.
Global automotive brands trust our OEM capabilities for consistent quality and reliable delivery schedules.

Our technical team regularly participates in international automotive technology exhibitions across Europe, Asia, and North America. These engagements keep us aligned with evolving emission standards and customer requirements.
We maintain active presence in markets requiring advanced diesel aftertreatment solutions. Our products meet diverse regional regulatory frameworks from China VI to EPA Tier standards.

Our strategically located warehouses ensure rapid fulfillment for urgent replacement needs. We maintain optimal inventory levels to support both OEM production schedules and aftermarket demand.
Advanced logistics partnerships enable us to deliver sensors globally with full cold chain protection. Temperature-controlled shipping preserves sensor calibration accuracy during transit.

Each sensor ships in protective anti-static packaging with shock-absorbing materials. Our packaging design prevents physical damage and electromagnetic interference during transportation.
We provide complete traceability documentation including calibration certificates and test reports. Bulk orders receive customized packaging solutions tailored to your warehousing systems.

Your particular application may require adjusted mounting measurements or connector sorts. We offer comprehensive OEM and ODM administrations from starting plan interview through mass production.
Our building group collaborates with you to optimize sensor situation for your one of a kind debilitate framework design. Whether you require altered temperature ranges or specialized lodging materials, we back adaptable customization.
Prototype advancement ordinarily completes inside 4-6 weeks. Our fast emphasis handle guarantees your custom sensors meet correct determinations some time recently generation scaling.
What is the part of the debilitate temperature sensor in diesel engines?
The sensor measures debilitate gas temperatures as they exit the motor, giving basic information to your ECU. This data optimizes SCR catalyst effectiveness, triggers DPF recovery cycles, and controls EGR valve operation to adjust emanations and performance.
How frequently ought to I supplant deplete temperature sensors?
Typically, sensors require substitution each 100,000 to 150,000 kilometers depending on working conditions. Extreme obligation cycles like visit towing or dusty situations may abbreviate benefit interims. Normal symptomatic looks offer assistance distinguish sensor debasement early.
Do substitution sensors require calibration?
Most present day sensors come factory-calibrated and prepared to introduce. Be that as it may, your ECU may require reconstructing utilizing a symptomatic device to recognize the modern sensor appropriately. This guarantees precise temperature readings coordinated accurately with your emanation control algorithms.
How do I know if my sensor is failing?
Common indications incorporate check motor lights, destitute fuel economy, intemperate dark smoke, or DPF recovery disappointments. Symptomatic inconvenience codes related to deplete temperature readings regularly show sensor issues requiring proficient evaluation.
Can your sensors withstand extraordinary temperature fluctuations?
Absolutely. Our sensors experience thorough warm stun testing cycling between -40°C and 900°C for over 500 cycles. This approves their solidness in cold-start conditions and high-load operations where debilitate temperatures spike quickly.
Ready to upgrade your diesel engine's thermal monitoring system with an exhaust gas temperature (EGT) sensor? Email us at info@qt-sensor.com for product specifications, pricing, and delivery schedules.
Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.