capacitive pressure transducer

Capacitive Pressure Transducer - High-Precision Industrial Sensor Solution

Xi'an Qintai Automotive Emission Technology Co. Ltd brings you enterprise-grade capacitive pressure transducer solutions engineered for mission-critical applications. Established in 2001 as a national high-tech enterprise, we manufacture sensors with ±0.05% to ±0.25% full-scale accuracy, featuring ceramic or 316L stainless steel diaphragms for superior chemical resistance. Our sensors deliver response times under 1 millisecond with exceptional thermal stability across extreme conditions. With an annual production capacity exceeding two million sensors, IATF16949 certification, and 58 invention patents, we serve as the No. 1 core supplier to China's leading power brands including Weichai, Yuchai, and Quanchai. Our ISO9001-certified manufacturing ensures every unit meets NIST traceable calibration standards.

What Makes Our Capacitive Pressure Transducer Different?

Understanding your require for unwavering quality things to us. Our item employments a adaptable stomach that acts as one capacitor plate whereas a stationary substrate shapes the other. When weight changes happen, the stomach avoids, modifying the crevice remove and capacitance proportionally.

This innovation understands your hardest challenges. You won't encounter flag float in high-temperature situations. You'll get steady estimations indeed at ultra-low weight ranges where other sensors fail.

Unlike piezoresistive choices, our sensors stand up to warm hysteresis. This makes them your gold standard for long-term solidness and tall affectability applications.

Technical Specifications

Parameter	Specification
Model	QS-P105F
Pressure Range	-1/0bar, 2bar, 5bar, 10bar, 20bar, 30bar, 40bar, 50bar, 80bar, 100bar, 200bar, 400bar, 600bar
Sensitivity	2...4.0mv/V
Non-linearity	0.3% FS
Zero Temperature Drift	<0.03% FS/°C (2bar~50bar, 0°C-85°C) <0.04% FS/°C (-40°C-0°C/85°C-135°C) <0.04% FS/°C (50bar~600bar, 0°C-85°C) <0.05% FS/°C (-40°C-0°C/85°C-135°C)
Zero Shift	<0.2 mV/V
Supply Voltage	2...30VDC
Zero Output	±0.2mv/V (23℃)
Safety Overload	200% FS
Comprehensive Accuracy	≤±0.5% FS
Material	96% Al2O3 Ceramic
Bridge Resistance	11±30% kΩ
Working Temperature	-40°C to 135°C

Key Technical Advantages

Predominant Warm Performance

You can depend on our sensors in extraordinary conditions. The capacitor-based plan minimizes warm hysteresis, guaranteeing steady readings from -40°C to +125°C.

Exceptional Sensitivity

Your low-pressure applications request exactness. Our capacitive innovation recognizes sub-millibar varieties that conventional sensors miss entirely.

Chemical Resistance

Corrosive media won't compromise your estimations. Ceramic and specialized amalgam stomachs ensure against forceful chemicals and gasses in cruel mechanical environments.

Low Control Consumption

Your farther IoT observing gets to be down to earth. Tall input impedance plan implies negligible control draw, idealize for battery-operated frameworks requiring long arrangement cycles.

Where You'll Use Our Sensors?

Semiconductor Manufacturing

Your cleanroom forms require outright accuracy. Our variable capacitance weight sensor gives ultra-high determination for vacuum testimony, carving frameworks, and gas conveyance observing in controlled environments.

Medical Equipment

Patient security drives your ventilator plan. Our capacitive weight sensors provide high-speed reaction and sub-millibar precision for breath discovery, oxygen stream control, and respiratory care applications.

Aerospace Systems

Your altimeters can't endure disappointment. These sensors keep up execution in spite of extraordinary temperature variances and vibration, conveying solid barometrical checking where warm float would compromise flight security.

HVAC and Building Management

Energy efficiency depends on accurate duct pressure monitoring. Our capacitive pressure transducer ensures optimal system performance in high-efficiency building automation.

Our Independent R&D Capability

We invest continuously in innovation for you. Our team of 86 dedicated R&D technicians develops cutting-edge solutions that improve product performance and reliability with every generation.

You benefit from 58 invention patents protecting unique designs. This intellectual property translates directly into sensor advantages you won't find elsewhere in the market.

China's Leading OEM Supplier

Your brand merits the best fabricating accomplice. As the No. 1 OEM provider in China's showcase, we give center components to Weichai Control, Yuchai Control, and Quanchai Power.

Our yearly capacity surpasses two million sensors. This scale guarantees steady quality, competitive estimating, and solid conveyance plans for your generation needs.

OEM/ODM Services Tailored for You

Complete Plan Support

We direct you from starting concept through mass generation. Our comprehensive OEM and ODM administrations adjust to your particular specialized necessities and commerce constraints.

Flexible Customization

Your application may have interesting requests. We back custom stomach materials, weight ranges, electrical interfacing, and lodging arrangements to coordinate your correct specifications.

Quality Assurance

Every sensor experiences thorough testing. IATF16949-certified forms guarantee automotive-grade quality over all generation volumes, from model to millions of units.

Our Partners

We collaborate with global industry leaders who trust our capacitance type pressure sensor technology. Our partnership network spans automotive, industrial automation, medical device manufacturers, and aerospace suppliers across Asia, Europe, and North America.

Long-term relationships define our business approach. You'll work with a stable, financially sound partner committed to your success for decades, not just single orders.

Exhibition & Global Market Presence

You'll find us at major international trade shows. We regularly exhibit at Automechanika, Sensor Expo, and regional industrial automation events, showcasing our latest capacitor pressure sensor innovations.

Our global footprint serves you better. With distribution channels across 30+ countries, we provide local technical support and rapid response wherever your operations are located.

Warehouse & Logistics

Strategic Inventory Management

Your just-in-time production needs immediate fulfillment. We maintain substantial safety stock in regional warehouses to ensure 48-hour delivery for standard models.

Efficient Distribution Network

Global logistics partnerships streamline your supply chain. We work with leading freight forwarders to optimize customs clearance and reduce your landed costs.

Packaging & Shipment

Protective Packaging Standards

Your sensors arrive ready for installation. Anti-static foam inserts, moisture barrier bags, and shock-resistant cartons protect precision components throughout international transit.

Documentation Support

Complex exports become simple. We provide complete commercial invoices, certificates of origin, test reports, and technical documentation to expedite your customs processing.

Frequently Asked Questions

How does a item compare to a piezoresistive sensor?

Capacitive sensors offer superior warm solidness and higher affectability at moo weights. Piezoresistive sensors are more compact but inclined to warm float, making capacitive innovation predominant for applications requiring long-term accuracy.

Can these sensors handle destructive media?

Absolutely. When prepared with ceramic or specialized amalgam stomachs, our sensors stand up to forceful chemicals and gasses commonly found in mechanical forms, guaranteeing dependable execution in unforgiving environments.

What is the commonplace reaction time?

Most of our industrial-grade models offer reaction times beneath 1 millisecond. Genuine execution depends on your chosen flag conditioning gadgets and establishment configuration.

Are they influenced by introduction or mounting position?

While profoundly steady, ultra-low weight models may appear a slight position impact due to stomach mass. We compensate for this amid manufacturing plant calibration, and you'll get introduction rules with your order.

What yield signals are available?

We bolster standard mechanical interfacing that coordinated with your existing frameworks. Alternatives incorporate 4-20mA current circles, 0-5V/0-10V analog yields, and computerized conventions like I2C, SPI, or CANopen.

How exact are ceramic capacitive weight sensors?

Our ceramic models accomplish ±0.1% full-scale precision in most mechanical and car settings. Genuine exactness shifts based on your application prerequisites and natural conditions.

Contact Us

Ready to enhance your pressure measurement systems with capacitive pressure transducer? Reach out to us at info@qt-sensor.com and discover how our expertise can solve your toughest sensing challenges today.