MPX4250DP Differential Pressure Sensor
The MPX4250DP Differential Pressure Sensor is a highly reliable sensor for measuring the difference in pressure between two points in gas or liquid systems. Its piezoresistive silicon condenser chip ensures high sensitivity, linear response, and temperature stability. The module outputs an analog voltage signal proportional to the pressure difference, suitable for microcontroller interfacing and precise monitoring systems.
This sensor is widely used in HVAC systems, industrial automation, fluid flow monitoring, medical devices, and laboratory instrumentation, providing engineers and hobbyists with a cost-effective solution for accurate differential pressure measurement.
⭐ Integration with Microcontrollers & DIY Projects
The analog output makes the MPX4250DP perfect for microcontroller applications. Compatible with Arduino, NodeMCU, ESP32, and Raspberry Pi for developing smart monitoring and automation systems:
🔗 Arduino Boards:
https://electroway.org/product-category/arduino-and-accessories/arduino-boards/
🔗 NodeMCU Modules:
https://electroway.org/product-category/iot-and-smart-solutions/iot-modules/nodemcu/
🔗 Electronics Components:
https://electroway.org/product-category/electronics-components/
It’s ideal for IoT flow measurement systems, air pressure monitoring, and environmental sensing projects.
⭐ Technical Specifications
| Feature | Details |
|---|---|
| Model | MPX4250DP |
| Pressure Range | 0 – 250 kPa Differential |
| Output Type | Analog Voltage (proportional) |
| Supply Voltage | 10V ±0.2V (typical) |
| Accuracy | ±1.5% Full Scale |
| Temperature Range | -40°C to +125°C |
| Technology | Silicon Piezoresistive Condenser Chip |
| Response Time | <1 ms |
| Applications | HVAC, industrial flow, lab instruments, Arduino/IoT projects |
The sensor provides high sensitivity, linearity, and reliability for industrial, laboratory, and DIY electronics projects.
⭐ Applications
🏭 Industrial & Automation
-
Fluid flow measurement
-
Air pressure monitoring
-
Process control
🌬️ HVAC Systems
-
Air duct differential pressure
-
Fan performance measurement
-
Filter monitoring
🧪 Laboratory & Research
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Gas pressure experiments
-
Fluid dynamics testing
🤖 DIY & Microcontroller Projects
-
Arduino/NodeMCU pressure monitoring
-
IoT-based environmental sensing
-
Robotics and automated systems
Explore more electronics:
🔗 ICs & Components:
https://electroway.org/product-category/ics/
🔗 Tools & Accessories:
https://electroway.org/product-category/tools-and-accessories/
⭐ Precautions
⚠ Operate within specified voltage to avoid sensor damage.
⚠ Avoid overpressure above 250 kPa.
⚠ Keep away from high humidity or condensation for long-term reliability.
⚠ Ensure proper wiring and grounding to reduce signal noise.
⚠ Avoid mechanical shocks or bending the sensor package.
⭐ YouTube Tutorial
📺 How to Interface MPX4250DP with Arduino
Watch Video:https://www.youtube.com/watch?v=OgcQtOfq3ZI
📌 Product Summary
The MPX4250DP Differential Pressure Sensor is a reliable 0–250 kPa silicon-based sensor with analog voltage output, ideal for HVAC, industrial automation, fluid flow monitoring, laboratory experiments, and Arduino/IoT projects. It combines high accuracy, linear response, and compact design for both professional and DIY applications.












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