At Xi'an Qintai Automotive Emission Technology Co. Ltd., we deliver enterprise-grade level transmitter solutions backed by over 20 years of manufacturing excellence since 2001. As China's No.1 market leader and core supplier to Weichai Power, Yuchai Power, and Quanchai Power, our facility produces over two million sensors annually with precision engineering.
Our product systems feature measurement accuracy up to ±0.5%, temperature resistance from -40°C to 125°C, and pressure ratings up to 40MPa. With 86 dedicated R&D technicians and 58 invention patents, we've earned ISO9001, IATF16949, CE, UL, and REACH certifications. Whether you need liquid, solid, or gas level monitoring, our transmitters deliver reliable performance in the most demanding industrial environments.

We keep up a specialized R&D group centered on persistent advancement. Our engineers work energetically to improve item execution and unwavering quality through progressed testing protocols.
Each item experiences thorough quality control methods. This guarantees you get hardware that meets the most elevated industry standards.
As a proficient OEM provider, we've built solid associations with worldwide brands. Our fabricating ability permits us to handle ventures from introductory plan concepts to full-scale production.
We get it that each application has interesting prerequisites. That's why we back adaptable customization alternatives custom-made to your particular operational needs.
Our generation office works beneath strict IATF16949 car quality administration frameworks. With an yearly capacity surpassing two million sensors, we keep up steady quality over each unit.
You can believe our transmitters in chemical handling, petroleum refining, water treatment, and control era applications. They perform dependably in temperatures extending from extraordinary cold to tall warm situations.
| Parameter | Specification |
|---|---|
| Measurement Range | 0–0.5 m to 0–200 m H₂O (customizable) |
| Output Signal | 4–20 mA, 0–5 V, 0–10 V, RS485 (Modbus RTU optional) |
| Power Supply | 12–36 V DC (typically 24 V DC) |
| Accuracy | ±0.25% FS, ±0.5% FS, or ±1.0% FS (selectable) |
| Resolution | ≤0.1% FS |
| Stability | ≤0.1% FS/year |
| Operating Temperature | -40°C to +85°C (liquid and ambient) |
| Process Temperature | -20°C to +80°C (standard), up to 150°C (optional) |
| Sensor Material | Stainless Steel 316L, Titanium, or PVDF |
| Housing Material | Stainless Steel / Aluminum alloy |
| Protection Class | IP65, IP67, or IP68 (for submersible types) |
| Response Time | ≤200 ms |
| Medium Compatibility | Water, diesel, oil, urea, chemical liquids |
| Explosion-proof Option | Ex ia IIC T6 Ga / ATEX / IECEx optional |
Our transmitters excel in monitoring storage tanks, reactors, and mixing vessels. They handle corrosive liquids, viscous materials, and foamy substances with consistent accuracy.
You'll find them essential for deionization tanks, neutralization processes, and crude oil drilling operations. The non-contact design prevents contamination in sensitive pharmaceutical applications.
From fuel oil storage to cooling tower management, our equipment provides critical data for energy dispatching. Nuclear facilities trust our level transmitter technology for spent fuel pools and emergency coolant tanks.
Hydroelectric plants depend on our sensors for admissions checking, store administration, and dam drainage location. The strong development withstands unforgiving conditions whereas keeping up exact measurements.
Municipal water treatment offices utilize our transmitters for clarifier level control, slime checking, and lift station computerization. This makes a difference avoid natural contamination through exact prepare adjustments.
Wastewater treatment forms advantage from real-time level information in digesters, settling tanks, and profluent frameworks. Our arrangements bolster economical water asset administration.

We've set up long-term associations with industry pioneers over car, mechanical robotization, and natural divisions. Our collaboration with Weichai Control, Yuchai Control, and Quanchai Control illustrates our commitment to excellence.
These organizations drive development and offer assistance us get it advancing advertise requests. Together, we create cutting-edge arrangements that address real-world challenges.

Qintai effectively partakes in universal exchange appears counting Bauma China, Automechanika, and Mechanical Robotization presentations. These occasions exhibit our most recent sensor innovations to worldwide audiences.
Our items reach markets over Asia, Europe, North America, and the Center East. We're growing our impression through key dispersion systems and specialized back centers.

Our modern warehouse facility spans 8,000 square meters with climate-controlled storage zones. We maintain substantial inventory levels to ensure rapid order fulfillment.
Advanced logistics systems track every shipment from our facility to your doorstep. We partner with reliable carriers to guarantee timely delivery worldwide.

Each item gets defensive bundling planned for universal shipping. We utilize shock-resistant materials and dampness obstructions to anticipate harm amid transit.
Standard conveyance incorporates nitty gritty documentation, calibration certificates, and establishment guides. Bulk orders are palletized and containerized agreeing to universal shipping guidelines.

Q: How do I select the right item for my application?
A: Consider your estimation medium (fluid, strong, or gas), required precision, establishment environment, and support inclinations. Our specialized group can offer assistance you assess temperature, weight, and chemical compatibility variables to select the ideal solution.
Q: What's the commonplace establishment process?
A: Mount the sensor on your vessel guaranteeing clear flag way without hindrances. Interface the control supply (regularly 12-36V DC) and wire the yield flag to your control framework. Set working parameters concurring to your tank measurements and calibrate utilizing our clear procedures.
Q: How precise are your products?
A: Our standard models accomplish ±0.5% full-scale exactness. For applications requiring higher exactness, we offer improved models with ±0.25% exactness. Execution remains steady over the full working temperature range.
Q: Can you customize transmitters for extraordinary applications?
A: Completely! We give comprehensive customization counting prepare associations, cable lengths, yield conventions, and fabric determinations. Our building group works with you from plan through generation to meet your correct specifications.
Q: What upkeep is required?
A: Our transmitters are planned for negligible upkeep. Normal review of mounting security and electrical associations is suggested. The non-contact plan kills wear parts, and the vigorous development stands up to fouling in most applications.
Q: Do you give specialized bolster after purchase?
A: Yes, we offer total after-sales benefit counting establishment direction, investigating help, and substitution parts. Our specialized bolster group reacts rapidly to guarantee your operations run easily.
Ready to enhance your level measurement capabilities with Level transmitter? Reach out today at info@qt-sensor.com to get started!
Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.