Wireless Pressure Sensor | LoRaWAN / NB-IoT / LTE-M & Battery Powered
Winsen‘s high-temperature pressure transducers offer industry-leading performance for extreme industrial, automotive, aerospace, and power generation applications. Operating at temperatures up to 400°C, these sensors provide reliable and precise pressure measurements in demanding environments.
OEM/ODM • Private labeling • Fast lead time
- 0–1000 bar pressure ranges
- ±0.25% FS accuracy
- -40°C to 400°C operating temperature
- 4–20 mA / 0–10 V standard outputs









Overview & Working Principle
Winsen’s high-temperature pressure transducers use advanced piezoresistive technology and durable materials such as SS316L stainless steel and ceramic to deliver reliable pressure measurements in extreme environments. These sensors are ideal for industries requiring high durability under high temperature and high-pressure conditions, such as automotive engines, industrial boilers, and aerospace.
Measurement modes: Gauge, Absolute, Differential
Temperature range: −40°C to 400°C
Outputs: 4–20 mA, 0–10 V, ratiometric 0.5–4.5 V
Accuracy: ±0.25% full scale
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 |
Applications & Industries
Automotive
For engine monitoring, tire pressure, and fluid systems in high-temperature automotive environments.
Industrial
Used in compressors, turbines, boilers, and other industrial systems requiring durable, high-precision pressure monitoring in extreme heat.
Aerospace
Monitoring hydraulic, fuel, and environmental pressures in aircraft and spacecraft, with high reliability in extreme conditions.
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.
10% R&D Input
The average annual R&D input exceeds 10% of the annual revenue.
5+ R&D Layout
With Zhengzhou headquarters as the core, a nationwide R&D and innovation system is being established, encompassing cities of Shanghai, Wuhan, Shenzhen, and Taiyuan.
180+ R&D Team
There are over 180 R&D personnel, including more than 10 with doctoral degrees and over 50 with master's degrees, who have an average of more than 8 years of experience in sensor development.
20+ Experiment Types
Gas-related, Climatic Environment, EMC, Electrical Performance, Mechanical Performance, etc.
10+ Advanced Laboratories
CNAS Laboratory, MEMS Laboratory, UL Laboratory, Nanocomposite Materials Laboratory, etc.
400+ sets Leading R&D Equipment
Cube Storage, Die Bonder, Lithography Machine, Coating Machine, SMT Placement Machine, Automatic Probe Station, etc.
Integration & Data
Analog Outputs: 4–20 mA for long-distance transmission and integration with PLCs or SCADA. 0–10 V output is also available for industrial applications.
Customization: Choose from a wide range of pressure ranges, outputs, and temperature tolerances. Custom threads, seals, and calibrations are available for specific industrial or automotive needs.
- Consider external protection for applications with high vibration or shock.
- Verify wiring and process connection compatibility before integration.
- Use appropriate snubbers to reduce pressure surges in dynamic systems.
Ordering & Bulk Purchasing
How to Specify
- Measurement & range (Gauge/Absolute/ΔP)
- Output type (4–20 mA, 0–10 V, ratiometric 0.5–4.5 V)
- Temperature range (−40°C to +400°C)
- Thread type (G1/4, NPT, custom)
- Connector options (M12, DIN, pigtail)
- Process environment (vibration, humidity, chemicals)
Program Terms
- Pilot orders available for testing & validation
- Volume discounts available
- Private labeling & custom packaging options
- Documentation: datasheets, test reports, calibration certs
Differential Pressure Sensor vs Transducer vs Transmitter
| Device | Output | Typical Use | Pros | Considerations |
|---|---|---|---|---|
| ΔP Sensor (board/compact) | Ratiometric / I²C / SPI | Embedded devices, instruments | Small, low-power, cost-effective | Requires host electronics and enclosure |
| ΔP Transducer | 0–10 V / 4–20 mA | PLC/DAQ measurement | Simple wiring, long cable runs | External display/relays not included |
| ΔP Transmitter | Conditioned + enclosure (often display/relays) | Field installation, panel mount | Rugged, installer-friendly | Largest size and highest cost |
Not sure which to choose? Share your controller model and mounting location—we’ll recommend the right package.
Frequently Asked Questions (FAQ)
What is a high-temperature pressure transducer?
A high-temperature pressure transducer is a sensor designed to measure pressure in environments where temperatures exceed typical limits, up to 400°C.
What temperature ranges are available?
Our sensors support a wide range of temperatures, from −40°C to +400°C, suitable for automotive, industrial, and aerospace applications.
Can I use high-temperature pressure transducers for low-pressure applications?
Yes, these sensors can be configured for low-pressure measurements (e.g., <1 bar) as well as high-pressure ranges (up to 1000 bar and beyond).
Do these sensors support remote integration?
Yes, our sensors feature standard outputs such as 4–20 mA and 0–10 V for easy integration with PLCs, SCADA systems, and BMS platforms.
Are these sensors available with private labeling?
Yes, Winsen offers private labeling and custom packaging options for large orders or specific OEM needs.
How accurate are high-temperature pressure sensors?
Our high-temperature pressure transducers typically offer an accuracy of ±0.25% FS, providing reliable measurements in extreme environments.
























