When you require dependable weight observing for your warming, ventilation, and discuss conditioning frameworks, our QS-P201 HVAC pressure transducer conveys extraordinary execution and precision. As a driving producer with over 20 a long time of involvement, Xi'an Qintai Car Emanation Innovation gives cutting-edge transducer innovation that guarantees your frameworks work at top proficiency. Our progressed piezoresistive detecting innovation offers industry-leading exactness and toughness for requesting applications over private, commercial, and mechanical HVAC installations.

Your HVAC system's execution depends on precise weight observing. Our transducers give real-time information that makes a difference you keep up ideal framework effectiveness whereas lessening vitality costs and anticipating exorbitant breakdowns.
We utilize state-of-the-art MEMS detecting innovation with piezoresistive silicon strain gage standards. This guarantees reliable, solid estimations over shifting natural conditions. Our tough seal plan makes these transducers perfect for open air situations and challenging installations.
As China's No. 1 OEM provider, we serve major control companies counting Weichai Control, Yuchai Control, and Quanchai Control. With an yearly generation capacity surpassing two million transducers, our fabricating skill ensures reliable quality and dependable supply.
We get it that each application has one of a kind necessities. Qintai OEM and ODM administrations give adaptable customization alternatives counting connector sorts, weight ranges, yield signals, and specialized materials for particular refrigerants or situations.
| Parameter | Specification |
|---|---|
| Measuring Principle | Piezoresistive silicon strain gauge / Thin-film on stainless steel diaphragm |
| Pressure Range | 0–0.1 MPa to 0–5 MPa (standard); up to 10 MPa optional |
| Overload Pressure | 150% FS |
| Burst Pressure | ≥300% FS |
| Pressure Type | Gauge / Absolute |
| Compatible Media | Air, refrigerant gases (R134a, R410A, R32, R407C, R1234yf, CO₂), water, glycol |
| Output Signal | 0.5–4.5 V ratiometric (standard), 4–20 mA, 0–5 V, RS485 (Modbus RTU) |
| Supply Voltage | 5 V DC (automotive/HVAC units) or 9–36 V DC (industrial version) |
| Accuracy | ±0.5% FS (standard), ±0.25% FS (high precision option) |
| Operating Temperature | -40°C to +125°C |
| Response Time | ≤2 ms |
| Protection Class | IP65 / IP67 / IP69K |
| Life Cycle | >10 million pressure cycles |
Screen high-side and low-side weights in refrigeration frameworks for ideal cooling proficiency. Qintai transducers work with all major refrigerants counting present day eco-friendly alternatives like R1234yf and CO₂ systems.
Track differential weight over channels to decide substitution timing. This proactive approach avoids framework strain and keeps up indoor discuss quality whereas optimizing vitality consumption.
Ensure legitimate wind current dispersion all through your building. Exact channel weight estimation makes a difference adjust framework execution and distinguishes potential blockages or spills some time recently they gotten to be major issues.
Monitor weight in chilled water circles and warming frameworks. This information makes a difference keep up appropriate circulation and recognizes pump execution issues early.
Qintai HVAC pressure transducer consolidates a few inventive highlights that set it separated from ordinary solutions:
Digital Communication: RS485 and CAN Transport choices empower consistent integration with building administration frameworks and IoT platforms.
Dual Yield Capability: Concurrent weight and temperature estimation gives comprehensive framework observing from a single device.
Explosion-Proof Plan: Accessible for applications including CO₂ or combustible refrigerants, guaranteeing security in all environments.
Wireless Network: Discretionary LoRa and Bluetooth adaptations empower farther checking and diminish establishment complexity.
We keep up the most elevated quality measures through comprehensive certifications counting ISO9001, IATF16949, CE, UL, and RoHS compliance. Our 86-member R&D group persistently innovates to make strides item execution and unwavering quality, sponsored by 58 development patents.
Each transducer experiences thorough testing counting vibration resistance up to 20g, stun resistance to 100g, and broad EMC/ESD execution approval. This guarantees solid operation in the most requesting mechanical environments.





Qintai experienced designing group gives comprehensive specialized bolster from starting determination through establishment and continuous support.We offer point by point documentation, calibration administrations, and responsive client bolster to guarantee your success.
Ready to optimize your HVAC system performance with precision pressure monitoring? Contact our team at info@qt-sensor.com to discuss your specific requirements. We'll help you select the ideal HVAC pressure transducer configuration for your application and provide expert guidance throughout your project.
Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.