High Temperature Pressure Transducer

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

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

CategoryModelPower Supply / OutputDetection RangeAccuracy / NonlinearityPressure ReferenceOperating TemperatureShell MaterialRemarks
Diffused Silicon Pressure SensorWPAK701.5mA / mV-100kPa ~ 0 ~ 10kPa…10MPa≤±0.3%FSGauge / Absolute / Sealed Gauge-40℃ ~ 120℃High versatility, compact design
WPAK691.5mA / mV-100kPa ~ 0 ~ 10kPa…10MPa≤±0.3%FSGauge / Absolute / Sealed Gauge-40℃ ~ 120℃Similar to WPAK70
WPAK681.5mA / mV-100kPa ~ 0 ~ 10kPa…100MPa≤±0.3%FSGauge / Absolute / Sealed Gauge-40℃ ~ 120℃Extended range version
WPAK671.5mA / mV0 ~ 10kPa…2.5MPa≤±0.3%FSDifferential Pressure-40℃ ~ 120℃For differential applications
WPAK661.5mA or 10V / mV6MPa…60MPa≤±0.3%FSSealed Gauge-40℃ ~ 120℃Sealed design for higher ranges
WPAK651.5mA or 10V / mV-100kPa ~ 0 ~ 10kPa…16MPa≤±0.3%FSGauge / Absolute / Sealed Gauge-40℃ ~ 120℃General-purpose sensor
WPAK641.5mA or 10V / mV-100kPa ~ 0 ~ 10kPa…25MPa≤±0.3%FSGauge / Absolute / Sealed Gauge-40℃ ~ 120℃Moderate range coverage
WPAK63J1.5mA / mV-100kPa ~ 0 ~ 10kPa…100MPa≤±0.3%FSGauge / Absolute / Sealed Gauge-40℃ ~ 120℃J-type version for special mounting
WPAK631.5mA or 10V / mV-100kPa ~ 0 ~ 10kPa…100MPa≤±0.3%FSGauge / Absolute / Sealed Gauge-40℃ ~ 120℃Versatile with wide range
Ceramic Pressure SensorWPAH012–20V / mV0 ~ 200kPa…40MPa≤±0.3%FS-40℃ ~ 125℃High chemical resistance
Plastic Sealed Pressure SensorWPAS12Digital and analog15–115kPa-40℃ ~ 125℃Cost-effective, compact
WPAS02Digital and analog10kPa ~ 100kPa-20℃ ~ 80℃Basic sensor for air/gas
WPAS01Digital and analog10kPa ~ 100kPa-40℃ ~ 125℃Robust high-temp tolerance
Diffused Silicon Pressure TransmitterWPCK814–20mA, RS4850 ~ 1m…200mH₂O±0.5%FS / ±1%FSGauge PressureStainless steelFor deep-level and tank level measurements
WPCK624–20mA (Optional)0 ~ 35kPa…25MPa±0.5%FSGauge / Absolute / Sealed GaugeStainless steelWidely compatible, thread options
WPCK084–20mA, RS4850 ~ 200mH₂O±0.5%FSGauge PressureStainless steelExplosion-proof version
WPCK074–20mA, 0.5–4.5V, 0–5V, 1–5V, 0–10V, 1–10V-100kPa ~ 0 ~ 10kPa…100MPa±0.5%FSGauge / Absolute / Sealed GaugeStainless steelFull-range output types
WPCK050.5–4.5V, 0–5V, 1–5V, 0–10V, 1–10V-100kPa ~ 0 ~ 10kPa…100MPa±0.5%FSGauge / Absolute / Sealed GaugeStainless steelVoltage output options
WPCK03I²C, 4–20mA, 0.5–4.5V and more-100kPa ~ 0 ~ 10kPa…100MPa±0.2%FS, ±0.5%FS (custom)Gauge / Absolute / Sealed GaugeStainless steelFlexible signal types, high accuracy
Ceramic Pressure TransmitterWPCH040.5–4.5V (Customizable)0.2MPa…40MPa0.1%FS (Default)Stainless steelHigh precision ceramic core
WPCH014–20mA, 0/1–5/10V, 0.5–4.5V0.2–5MPa0.1% ~ 5.0%FS (Default 2.0%)Stainless steelCustomizable, versatile outputs
WPBH01Proportional voltage (0.5–4.5V)2–400 bar (Customizable)0.5%, 1%, 2% (Default), 3%Stainless steelBroad pressure range
Glass Micro-Fusing TransmitterWPCK89Digital and analog0 ~ 100 / 150 / 250 / 500 psig±1%FSStainless steelExtremely 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.

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    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

    1. Measurement & range (Gauge/Absolute/ΔP)
    2. Output type (4–20 mA, 0–10 V, ratiometric 0.5–4.5 V)
    3. Temperature range (−40°C to +400°C)
    4. Thread type (G1/4, NPT, custom)
    5. Connector options (M12, DIN, pigtail)
    6. 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

    DeviceOutputTypical UseProsConsiderations
    ΔP Sensor (board/compact)Ratiometric / I²C / SPIEmbedded devices, instrumentsSmall, low-power, cost-effectiveRequires host electronics and enclosure
    ΔP Transducer0–10 V / 4–20 mAPLC/DAQ measurementSimple wiring, long cable runsExternal display/relays not included
    ΔP TransmitterConditioned + enclosure (often display/relays)Field installation, panel mountRugged, installer-friendlyLargest 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.

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