Diesel pressure transmitter

QS-P202A
• Inflammable and explosive media and environment
• ATEX II 2G IIC T6, ATEX II 1G IIC T6,
• ATEX II 3G IIA T3,
• Certain stock for shortening delivery time
• High accuracy measuring
• compact dimension design
• pulse-snubber against cavitations and liquid hammer
Digital CAN bus / LIN output version

Integrated temperature sensor (dual-output: pressure + temperature)

High-pressure version up to 250 MPa for modern diesel common rail systems

Explosion-proof and EMC-hardened designs

Customized connectors for Bosch, Denso, or Continental ECU compatibility

OEM logo & part number laser engraving
Product Description

High-Performance Diesel Pressure Transmitter for Reliable Fuel System Monitoring

Xi'an Qintai Automotive Emission Technology Co. Ltd., a national high-tech enterprise established in 2001, proudly presents the QS-P202A Diesel pressure transmitter—a precision-engineered sensor designed for your most demanding fuel monitoring applications. With ATEX II 2G IIC T6 and ATEX II 1G IIC T6 certifications for inflammable and explosive environments, our transmitter delivers high accuracy measuring through its compact dimension design and advanced pulse-snubber technology against cavitations and liquid hammer. Our annual production capacity exceeds two million sensors, backed by 58 invention patents and certifications including ISO9001, IATF16949, and RoHS, making us the No. 1 ranked core supplier to China's leading power manufacturers including Weichai, Yuchai, and Quanchai.

Qintai sensor factory production line

Why Choose Qintai as Your Sensor Partner?

Autonomous R&D Capability: Our group persistently innovates to progress item execution and unwavering quality. We do not fair manufacture—we build arrangements custom fitted to advancing industry requirements.

China's No. 1 OEM Provider: As the center provider to Weichai Control, Yuchai Control, and Quanchai Control, we hold the biggest showcase share in China. This position reflects our commitment to quality and client satisfaction.

Flexible Customization: We back customized connectors for Bosch, Denso, or Mainland ECU compatibility. Require OEM symbol and portion number laser etching? We handle that too.

Comprehensive OEM/ODM Administrations: From item plan to mass generation, we offer total bolster to meet your particular prerequisites. Our group works closely with yours to guarantee consistent integration.

Ready Stock Accessibility: We keep up certain stock levels to abbreviate conveyance time, so your generation plan remains on track.

Technical Specifications

Parameter Specification
Measuring Principle Piezoresistive silicon strain gauge
Pressure Range 0-2 MPa to 200 MPa (customizable)
Accuracy ±0.5% FS (typical), ±1.0% FS (max)
Response Time ≤1 ms
Operating Temperature -40°C to +150°C
Output Signal 0.5-4.5V, 4-20mA, CAN/LIN digital
Supply Voltage 5V DC (automotive), 9-36V DC (industrial)
Protection Class IP65/IP67/IP69K
Housing Material Stainless steel 304/316L
Process Connection M12×1.5, M14×1.5, M10×1, custom
Electrical Connection Bosch EV1/Delphi/AMP Superseal/M12
Vibration Resistance 20g (10-2000 Hz)
Long-term Stability ≤0.2% FS/year

Key Applications Where Performance Matters

Heavy-Duty Common Rail Frameworks: Your truck and tractor motors require exact fuel infusion timing. Our transmitter screens rail weight ceaselessly, guaranteeing ideal infusion volume and combustion proficiency for most extreme control yield and fuel economy.

Industrial Control Era: Information centers and basic offices can't bear downtime. Our sensor controls fuel conveyance in standby diesel generators, alarming your framework to any weight drop some time recently it triggers a shutdown.

Marine Impetus: Large-scale vessels confront salt-mist erosion and steady body vibrations. The QS-P202A stands up to these challenges whereas keeping up extraordinary exactness, keeping your marine diesel motors running easily through amplified voyages.

Off-Highway Hardware: Development and mining gear work in extraordinary conditions. Our explosion-proof plan and vigorous development withstand the mechanical stretch and vibrations your overwhelming apparatus experiences daily.

Quality Control You Can Depend On

We get it that unwavering quality isn't debatable in your operations. That's why each item experiences thorough multi-stage approval some time recently coming to your facility.

Our cyclic weight testing subjects each unit to over 10 million cycles, guaranteeing stomach weakness resistance all through its operational lifetime. Warm stun approval affirms flag steadiness amid fast temperature moves you might experience in real-world applications.

Helium spill discovery ensures the airtight seal of each detecting component. Electromagnetic compatibility testing avoids flag impedances from adjacent alternators and electrical frameworks. Vibration profile testing agreeing to MIL-STD-810G recreates the cruel environment of off-road diesel powertrains.

With 86 committed R&D professionals and IATF16949 certification, we keep up strict quality benchmarks over our yearly generation of over two million sensors.

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What Makes Our Diesel Pressure Transmitter Different?

Your diesel fuel framework requests accuracy you can believe. Our item changes over mechanical fuel weight into solid electrical signals, guaranteeing your Motor Control Unit gets precise information for ideal combustion efficiency.

The QS-P202A highlights an coordinates temperature sensor giving dual-output capabilities—measuring both weight and temperature at the same time. This kills the require for partitioned sensors and diminishes establishment complexity for your team.

Our high-pressure adaptation underpins up to 250 MPa, particularly designed for advanced diesel common rail frameworks where extraordinary weights are standard. The explosion-proof and EMC-hardened plans ensure against electromagnetic obstructions up to 100V/m, keeping your readings steady indeed in cruel mechanical situations.

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Our Partners

We've built lasting relationships with leading diesel engine manufacturers and OEM brands worldwide. Our partnership approach focuses on understanding your specific challenges and delivering sensors that exceed your performance expectations.

As a trusted supplier to major Chinese power manufacturers, we bring enterprise-level quality to businesses of all sizes. Your success drives our innovation.

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Exhibition & Global Market Presence

Qintai actively participates in international automotive and industrial exhibitions, showcasing our latest sensor technologies and connecting with global partners. Our presence in key markets across Asia, Europe, and North America demonstrates our commitment to serving your needs wherever you operate.

We understand that choosing a sensor supplier means choosing a long-term partner. That's why we invest in face-to-face interactions at industry events, giving you the opportunity to experience our products firsthand.

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Warehouse & Logistics

Our strategically located warehouses ensure efficient distribution to your facilities. With annual production capacity exceeding two million sensors, we maintain inventory levels that support both large-volume orders and rapid fulfillment for urgent requirements.

Our logistics network is designed for reliability. We track every shipment to ensure your Diesel pressure transmitter arrives on schedule, properly protected, and ready for installation.

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Packaging & Shipment

Each sensor receives careful packaging to prevent damage during transit. We use protective materials suitable for international shipping, including shock-absorbing foam and moisture barriers for sea freight.

Our packaging includes clear labeling with part numbers and specifications, making inventory management easier for your team. Documentation accompanies each shipment, including calibration certificates and installation guidelines.

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Frequently Asked Questions

Q: What makes your diesel fuel weight sensor appropriate for unstable environments?

A: Our QS-P202A holds ATEX II 2G IIC T6 and ATEX II 1G IIC T6 certifications, particularly outlined for inflammable and dangerous media and situations. The explosion-proof plan anticipates start sources whereas keeping up exact measurements.

Q: Can your transmitter handle biodiesel mixes and ULSD?

A: Yes. The 316L stainless steel wetted parts give most extreme chemical resistance against biodiesel mixes, Ultra-Low Sulfur Diesel, and other fuel variations. This fabric choice guarantees long-term unwavering quality without erosion concerns.

Q: How do you guarantee compatibility with our existing ECU system?

A: We offer customized connectors for Bosch, Denso, or Mainland ECU compatibility. Our advanced CAN transport and LIN yield adaptations coordinated consistently with advanced motor control frameworks. Contact our specialized group to examine your particular requirements.

Q: What is the normal reaction time of your sensor?

A: Our transmitter highlights a reaction time of less than 1ms, giving real-time information to your control frameworks. This quick reaction empowers exact fuel infusion timing and prompt discovery of weight anomalies.

Q: Do you give specialized back after purchase?

A: Completely. Our after-service group gives continuous specialized back, investigating help, and substitution direction all through your sensor's operational life. We're committed to your long-term success.

Q: Can you customize the weight extend for our particular application?

A: Yes. We back adaptable item customization concurring to your particular applications and necessities. Our designing group can create sensors with custom weight ranges, yield signals, and mechanical arrangements to coordinate your correct specifications.

Q: How long is the lead time for custom orders?

A: Lead times shift based on customization complexity. Standard adjustments ordinarily require 4-6 weeks, whereas broad custom improvement may take 8-12 weeks. We keep up certain stock of standard models to abbreviate conveyance time for prompt needs.

Q: What guarantee scope do you offer?

A: We stand behind our quality with comprehensive guarantee scope. Contact us for particular guarantee terms based on your application and volume necessities.

Ready to Enhance Your Diesel System Reliability?

Contact our technical team at info@qt-sensor.com for specifications, pricing, or custom development inquiries regarding Diesel pressure transmitter. We're here to help.

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Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.