capacitance type pressure transducer

Capacitance Type Pressure Transducer – Precision Sensing for Critical Applications

At Xi'an Qintai Automotive Emission Technology Co. Ltd., we bring you enterprise-grade capacitance type pressure transducer solutions backed by over two decades of engineering excellence. Our sensors feature exceptional sensitivity starting from pF/bar levels and ultra-low hysteresis of <0.05% FS, ensuring measurement accuracy you can rely on. Constructed with high-purity Alumina ceramic (96%-99.9%) and stainless steel diaphragms, these transducers deliver outstanding chemical compatibility and thermal stability. With certifications including IEC 61298, CE/EMC, and IP65-IP68 ingress protection ratings, our products meet the most stringent industrial standards. As China's No.1 OEM supplier to Weichai Power, Yuchai Power, and Quanchai Power, we manufacture over two million sensors annually from our ISO9001 and IATF16949 certified facilities.

What Is a Capacitance Type Pressure Transducer?

A item changes over mechanical weight into exact electrical signals through an exquisite non-contact detecting instrument. The innovation depends on two conductive plates: a adaptable detecting stomach and a settled terminal isolated by a dielectric gap.

When weight is connected to your framework, the stomach avoids marginally. This avoidance modifies the remove between the plates, specifically changing the electrical capacitance. The capacitance variety is at that point measured and changed over into a solid electrical yield flag comparing to the connected pressure.

This non-contact plan understands basic challenges you might confront with conventional sensors. It disposes of mechanical weakness common in piezoresistive sensors, diminishes flag float in high-temperature situations, and gives uncommon precision for low-pressure estimations down to fair a few pascals.

Core Technical Advantages

Unmatched Soundness and Sensitivity

Your estimation precision shouldn't vacillate with surrounding conditions. Our capacitive detecting innovation conveys uncommon moo warm zero move, making these transducers your perfect choice for situations with temperature varieties. The inborn tall affectability empowers exact location of miniature weight changes.

Built-In Overpressure Protection

We've designed an brilliantly 'overpressure stop' highlight into each unit. When extraordinary weight happens, the stomach securely contacts the settled cathode without mechanical disappointment. This plan ensures your venture and avoids expensive downtime.

Long-Term Reliability

The non-contact detecting rule implies negligible wear and tear. You'll encounter prevalent long-term solidness compared to contact-based advances. Our sensors keep up calibration exactness over amplified operational periods, diminishing support recurrence and add up to fetched of possession.

Technical Specifications

Parameter	Specification
Model	QS-P105F
Pressure Range	-1/0bar to 600bar (multiple options available)
Sensitivity	2...4.0 mV/V
Non-linearity	0.3% FS
Zero Temperature Drift	<0.03% FS/°C (2-50 bar range)
Supply Voltage	2...30VDC
Zero Output	±0.2 mV/V at 23°C
Safety Overload	200% FS
Comprehensive Accuracy	≤±0.5% FS
Material	96% Al2O3 ceramic
Bridge Resistance	11±30% kΩ
Operating Temperature	-40°C to 135°C

Industry Applications

Semiconductor and Vacuum Processing

In your ALD and CVD gear, chamber weight control is basic. Our item withstands destructive handle gasses whereas keeping up vacuum astuteness. You get the extraordinary precision fundamental for reliable testimony comes about and prepare repeatability.

HVAC and Cleanroom Management

Maintaining differential weight between clean zones anticipates defilement. Our sensors degree ultra-low weights from 0-25 Dad with remarkable exactness. The long-term steadiness guarantees your cleanroom works inside determination for a long time without drift-related calibration issues.

Aerospace and Motor Testing

Your turbine test cells request sensors that perform beneath extraordinary conditions. We've planned our transducers to handle tall vibration and recurrence commotion situations. The vigorous mechanical development guarantees flag judgment indeed when measuring discuss admissions and debilitate weights amid energetic motor testing.

Industrial Handle Control

Hydraulic frameworks, liquid weight observing, and prepare robotization require solid estimation. The chemical compatibility of our ceramic and stainless steel development ensures against destructive media. You advantage from reliable execution over assorted mechanical applications.

Automotive Systems

From motor control to fuel weight observing, car applications request solidness. Our sensors serve as center components for driving Chinese control producers, conveying the unwavering quality that OEM details require.

Our Manufacturing Excellence

Independent R&D Capabilities

Our 86-member R&D team continuously innovates to enhance product performance. With 58 invention patents applied, we don't just manufacture sensors—we advance the technology. This commitment ensures you receive cutting-edge solutions that address evolving industry challenges.

Quality Certifications

We maintain ISO9001 and IATF16949 certifications alongside CMC, Ex, UL, CE, REACH, and RoHS compliance. Every capacitance type pressure transducer leaving our facility meets international quality standards. Your procurement team can specify our products with confidence.

Production Capacity

With 420 dedicated employees and annual capacity exceeding two million sensors, we scale to meet your volume requirements. Whether you need prototype quantities or full production runs, we deliver on schedule.

Our Partners

We proudly serve as the primary sensor supplier to China's leading power manufacturers. Our partnership with Weichai Power, Yuchai Power, and Quanchai Power demonstrates the trust industry leaders place in our technology.

These relationships have elevated us to China's No.1 market position. We understand that you need suppliers who consistently deliver quality and innovation.

Exhibition & Global Market Presence

We actively participate in international industry exhibitions to showcase our latest sensor technologies. Our global footprint extends beyond China, serving customers across Asia, Europe, and North America.

This international exposure keeps us connected with emerging trends and customer needs worldwide. You benefit from solutions informed by global best practices.

Warehouse & Logistics

Our strategically located warehouses ensure prompt order fulfillment. We've optimized inventory management to maintain stock availability while minimizing lead times.

Our logistics partners provide reliable shipping options tailored to your delivery requirements. We understand that production schedules depend on timely component delivery.

Packaging & Shipment

Each sensor gets defensive bundling outlined to anticipate harm amid travel. We take after industry-standard hones for electrostatic release security and physical cushioning.

Documentation goes with each shipment, counting calibration certificates and compliance statements. Your getting groups get everything required for smooth integration into your forms.

OEM/ODM Services

We offer comprehensive customization from starting plan through mass generation. Share your particular application necessities, and our designing group will create a custom-made solution.

Whether you require adjusted mounting setups, custom weight ranges, or specialized yield signals, we back adaptable item customization. Your one of a kind challenges merit purpose-built answers.

Frequently Asked Questions

Q: What makes capacitive detecting prevalent to piezoresistive technology?

A: Capacitive detecting dispenses with the mechanical contact and fabric push that causes float in piezoresistive sensors. You get way better long-term steadiness, lower temperature affectability, and expanded operational life without recalibration.

Q: Can these transducers handle destructive prepare gases?

A: Completely. Our ceramic and stainless steel development gives fabulous chemical compatibility. We've particularly outlined these sensors for semiconductor and mechanical applications where destructive media introduction is common.

Q: What is the commonplace lead time for custom specifications?

A: Standard customizations regularly require 4-6 weeks from plan endorsement to to begin with articles. Complex adjustments may expand this timeline. Contact our group with your prerequisites for a point by point venture schedule.

Q: How do I guarantee appropriate establishment and calibration?

A: We give comprehensive establishment rules and calibration strategies with each arrange. Our specialized bolster group is accessible to help with integration questions and troubleshooting.

Q: What guarantee scope do you offer?

A: We stand behind our fabricating quality with guarantee terms that ensure your speculation. Particular scope subtle elements shift by application and volume. Reach out to examine guarantee choices for your project.

Q: Do you back small-volume orders for prototyping?

A: Yes, we oblige model amounts to offer assistance you approve plans some time recently committing to generation volumes. Our adaptable fabricating approach underpins your improvement timeline.

Contact Us

Ready to discuss your pressure sensing requirements with capacitance type pressure transducer? Reach us at info@qt-sensor.com to start the conversation today.