Best Pressure Sensor Manufacturer & Supplier in China
Pressure sensors are critical devices used to measure and monitor the pressure of gases and liquids in a wide range of applications. In Brazil, a country with a growing industrial base, energy sector, automotive production, and agricultural innovation, the demand for high-quality pressure sensors has been increasing steadily. From oil & gas exploration in offshore basins to smart irrigation systems in large-scale farming, pressure sensors play a key role in safety, efficiency, and automation.
China, as a global leader in sensor technology, has become a major supplier of advanced pressure sensor solutions to the Brazilian market. Winsen, a professional sensor manufacturer with more than 30 years of experience, provides a comprehensive range of sensors tailored for industries across Brazil.
- High accuracy and repeatability
- Wide pressure range
- Robust and corrosion-resistant materials
- Compact and lightweight design
- Analog and digital output options
- Overpressure protection
- Long-term stability and low drift
- Easy integration with control systems
Pressure Sensors - Factory Wholesale Available Worldwide
Zhengzhou Winsen Electronics Technology Co., Ltd., a Chinese stock market listed company since 2009, is a professional manufacturer with 30+ years of experience in gas sensing technology. We provide the most complete sensing solutions with 7 categories and 200+ series, covering gas sensors, pressure, flow, humidity sensors, and related instruments. Our products are widely applied in household, automotive, medical, industrial safety, fire prevention, smart city, and environmental monitoring, trusted by global partners for reliability, innovation, and quality.
Pressure Sensor and Transmitter Comparison Overview
| Category | Model | Power Supply / Output | Detection Range | Accuracy / Nonlinearity | Pressure Reference | Operating Temperature | Shell Material | Remarks |
| Diffused Silicon Pressure Sensor | WPAK70 | 1.5mA / mV | -100kPa ~ 0 ~ 10kPa…10MPa | ≤±0.3%FS | Gauge / Absolute / Sealed Gauge | -40℃ ~ 120℃ | – | High versatility, compact design |
| WPAK69 | 1.5mA / mV | -100kPa ~ 0 ~ 10kPa…10MPa | ≤±0.3%FS | Gauge / Absolute / Sealed Gauge | -40℃ ~ 120℃ | – | Similar to WPAK70 | |
| WPAK68 | 1.5mA / mV | -100kPa ~ 0 ~ 10kPa…100MPa | ≤±0.3%FS | Gauge / Absolute / Sealed Gauge | -40℃ ~ 120℃ | – | Extended range version | |
| WPAK67 | 1.5mA / mV | 0 ~ 10kPa…2.5MPa | ≤±0.3%FS | Differential Pressure | -40℃ ~ 120℃ | – | For differential applications | |
| WPAK66 | 1.5mA or 10V / mV | 6MPa…60MPa | ≤±0.3%FS | Sealed Gauge | -40℃ ~ 120℃ | – | Sealed design for higher ranges | |
| WPAK65 | 1.5mA or 10V / mV | -100kPa ~ 0 ~ 10kPa…16MPa | ≤±0.3%FS | Gauge / Absolute / Sealed Gauge | -40℃ ~ 120℃ | – | General-purpose sensor | |
| WPAK64 | 1.5mA or 10V / mV | -100kPa ~ 0 ~ 10kPa…25MPa | ≤±0.3%FS | Gauge / Absolute / Sealed Gauge | -40℃ ~ 120℃ | – | Moderate range coverage | |
| WPAK63J | 1.5mA / mV | -100kPa ~ 0 ~ 10kPa…100MPa | ≤±0.3%FS | Gauge / Absolute / Sealed Gauge | -40℃ ~ 120℃ | – | J-type version for special mounting | |
| WPAK63 | 1.5mA or 10V / mV | -100kPa ~ 0 ~ 10kPa…100MPa | ≤±0.3%FS | Gauge / Absolute / Sealed Gauge | -40℃ ~ 120℃ | – | Versatile with wide range | |
| Ceramic Pressure Sensor | WPAH01 | 2–20V / mV | 0 ~ 200kPa…40MPa | ≤±0.3%FS | – | -40℃ ~ 125℃ | – | High chemical resistance |
| Plastic Sealed Pressure Sensor | WPAS12 | Digital and analog | 15–115kPa | – | – | -40℃ ~ 125℃ | – | Cost-effective, compact |
| WPAS02 | Digital and analog | 10kPa ~ 100kPa | – | – | -20℃ ~ 80℃ | – | Basic sensor for air/gas | |
| WPAS01 | Digital and analog | 10kPa ~ 100kPa | – | – | -40℃ ~ 125℃ | – | Robust high-temp tolerance | |
| Diffused Silicon Pressure Transmitter | WPCK81 | 4–20mA, RS485 | 0 ~ 1m…200mH₂O | ±0.5%FS / ±1%FS | Gauge Pressure | – | Stainless steel | For deep-level and tank level measurements |
| WPCK62 | 4–20mA (Optional) | 0 ~ 35kPa…25MPa | ±0.5%FS | Gauge / Absolute / Sealed Gauge | – | Stainless steel | Widely compatible, thread options | |
| WPCK08 | 4–20mA, RS485 | 0 ~ 200mH₂O | ±0.5%FS | Gauge Pressure | – | Stainless steel | Explosion-proof version | |
| WPCK07 | 4–20mA, 0.5–4.5V, 0–5V, 1–5V, 0–10V, 1–10V | -100kPa ~ 0 ~ 10kPa…100MPa | ±0.5%FS | Gauge / Absolute / Sealed Gauge | – | Stainless steel | Full-range output types | |
| WPCK05 | 0.5–4.5V, 0–5V, 1–5V, 0–10V, 1–10V | -100kPa ~ 0 ~ 10kPa…100MPa | ±0.5%FS | Gauge / Absolute / Sealed Gauge | – | Stainless steel | Voltage output options | |
| WPCK03 | I²C, 4–20mA, 0.5–4.5V and more | -100kPa ~ 0 ~ 10kPa…100MPa | ±0.2%FS, ±0.5%FS (custom) | Gauge / Absolute / Sealed Gauge | – | Stainless steel | Flexible signal types, high accuracy | |
| Ceramic Pressure Transmitter | WPCH04 | 0.5–4.5V (Customizable) | 0.2MPa…40MPa | 0.1%FS (Default) | – | – | Stainless steel | High precision ceramic core |
| WPCH01 | 4–20mA, 0/1–5/10V, 0.5–4.5V | 0.2–5MPa | 0.1% ~ 5.0%FS (Default 2.0%) | – | – | Stainless steel | Customizable, versatile outputs | |
| WPBH01 | Proportional voltage (0.5–4.5V) | 2–400 bar (Customizable) | 0.5%, 1%, 2% (Default), 3% | – | – | Stainless steel | Broad pressure range | |
| Glass Micro-Fusing Transmitter | WPCK89 | Digital and analog | 0 ~ 100 / 150 / 250 / 500 psig | ±1%FS | – | – | Stainless steel | Extremely robust and thermally stable |
Key Applications of Pressure Sensors in the USA
Why Global Clients Choose Us?
The company consistently adheres to the quality policy of “Fine Craftsmanship, Scientific Innovation, Pursuit of Excellence, and Value-Added Service.” By formulating production process control plans and work instructions, it has established a standardized, accountable, and regulated process management system. Additionally, the company has independently developed an MES production management system, enabling comprehensive and visual management across the entire workflow.
30+ YEARS OF EXPERIENCE
R&D, manufacture and sales of sensors and sensing solutions.
QUALITY GUARANTEE CONTINOUS IMPROVEMENT
Complete and rigid process flow control, coupled with significant improvements.
INTERNATIONAL MARKET
Deliver sensing products to more than 100 countries and regions.
STABLE SUPPLY CHAIN RELIABLE PRODUCTION
Core components not subject to constraints, advanced equipments for manufaturing and test.
R&D STRENGTH TECHNOLOGY INNOVATION
200+ patents, 180+ R&D team members, self-built labs for continous innovation.
ONE-STOP SERVICE
Professional consultation, fast delivery, 24 hours after-sales support.
Leading the Industry, Innovative & Controllable Technology
With robust R&D capabilities, we maintain sustained input in R&D and unwavering commitment to technological innovation. This not only ensures that we remain at the forefront of industry but also drives continuous innovation, leading the future trend of the sensing industry.
The Growing Market for Pressure Sensors in Brazil
1. Oil and Gas Industry
Brazil is one of the largest producers of crude oil in Latin America, with offshore drilling and deep-water oil fields requiring advanced monitoring systems. Pressure sensors are essential in drilling rigs, subsea equipment, and refinery processes to ensure safe and efficient operations.
2. Automotive Sector
Brazil is a major automotive manufacturing hub in South America. Vehicles increasingly rely on pressure sensors for ABS systems, tire pressure monitoring systems (TPMS), fuel injection, and air conditioning systems. High-precision ceramic and MEMS pressure sensors from China are widely adopted by OEMs and aftermarket suppliers.
3. Agriculture and Smart Irrigation
Brazil has one of the world’s largest agricultural economies. Precision farming and smart irrigation systems use pressure sensors to monitor water flow and soil conditions, ensuring efficient water management and boosting crop yield.
4. Industrial Applications
Pressure sensors are used in boilers, compressors, pneumatic systems, and industrial automation across Brazil’s factories and manufacturing plants. These devices improve safety and efficiency by providing accurate pressure monitoring.
5. Renewable Energy
With Brazil’s commitment to sustainability, renewable energy projects like biogas, hydrogen, and wind power require reliable pressure monitoring. Chinese suppliers offer innovative sensor solutions to support the country’s green transition.
Why Winsen is Trusted in Brazil
Rich Experience – Decades of R&D and manufacturing.
Global Network – Sensors exported to over 100 countries.
Quality Assurance – International certifications and rigorous testing.
Local Adaptation – Customized solutions for Brazilian industries.
Sustainable Development – Supporting Brazil’s goals in renewable energy and smart cities.
Frequently Asked Questions (FAQs) about Pressure Sensors
1. What is a pressure sensor?
A pressure sensor is a device that detects and converts physical pressure into an electrical signal. It is used to monitor and control pressure in gases or liquids, commonly applied in industrial, automotive, HVAC, and medical systems.
2. What are the main types of pressure sensors?
The most common types include:
Diffused Silicon Pressure Sensors
Ceramic Pressure Sensors
Plastic Sealed Pressure Sensors
Pressure Transmitters (Diffused Silicon, Ceramic, Glass Micro-Fusing)
Each type has its specific advantages in terms of durability, accuracy, and application environment.
3. What is the difference between a pressure sensor and a pressure transmitter?
A pressure sensor typically outputs a raw signal (e.g., mV), while a pressure transmitter amplifies and conditions the signal, often outputting a standard format like 4–20mA or 0–10V. Transmitters are better suited for long-distance signal transmission and industrial environments.
4. What is meant by gauge, absolute, and differential pressure?
Gauge pressure is measured relative to atmospheric pressure.
Absolute pressure is measured relative to a perfect vacuum.
Differential pressure measures the difference between two separate pressures.
5. What is the typical accuracy of a pressure sensor?
Accuracy varies by model and application. Most industrial pressure sensors offer accuracy from ±0.1%FS to ±1%FS. High-precision versions may go below ±0.1%FS.
6. How do I choose the right pressure sensor for my application?
Key factors to consider include:
Required pressure range
Type of pressure (gauge, absolute, differential)
Output signal (analog, digital, 4–20mA, etc.)
Accuracy requirements
Environmental conditions (temperature, humidity, media compatibility)
7. Can pressure sensors work with corrosive or high-temperature media?
Yes, but you must select the right sensor material. Ceramic and stainless steel sensors often handle corrosive fluids well. For high temperatures, sensors with extended operating temperature ranges (up to 125°C or higher) are preferred.
8. What is the typical output of a pressure sensor?
It can be:
Analog: mV, 0.5–4.5V, 0–5V, 0–10V, etc.
Current loop: 4–20mA
Digital: I²C, RS485, SPI
Transmitters usually provide conditioned and standardized outputs.
9. How do I install a pressure sensor?
Most sensors have threaded process connections (e.g., G1/4″, NPT). Ensure proper sealing (using PTFE tape or gaskets), avoid over-torquing, and mount them according to manufacturer instructions to avoid signal drift or mechanical damage.
10. What are typical applications of pressure sensors?
Pressure sensors are widely used in:
Industrial automation
Water level and pump control
HVAC systems
Automotive systems (e.g., engine, brake, and fuel monitoring)
Medical devices
Refrigeration and air conditioning systems
More Refrigerant Sensors Knowledge
Pressure Units: The Complete Guide (with Conversion Tables & Sensor Tips)
Learn the most common pressure units (Pa, kPa, MPa, bar, mbar, psi, atm, Torr/mmHg, inHg, inH₂O), when to use each one, and how to convert accurately using formulas, examples, and quick conversion tables—plus tips for specifying pressure sensors.
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