Air Water Pressure Sensor Module 0-40KPa Analog 3.3-5V Liquid Level Arduino

🔧 0-40KPa Air & Water Pressure Sensor Module | AuscomTech

This compact pressure sensor module is designed for measuring both air pressure and liquid levels using a high-precision ADC sampling chip.

It provides an analog voltage output proportional to pressure, making it easy to interface with Arduino, ESP32, and other microcontrollers.

Ideal for water level detection, fluid monitoring, and air pressure sensing in embedded and DIY electronics projects.

⭐ Key Features

• Dual Use Design – Suitable for both air pressure and liquid level measurement
• 0–40KPa Range – Optimised for low-pressure sensing applications
• Analog Output – Direct connection to ADC inputs on microcontrollers
• 3.3V–5V Operation – Compatible with common development boards
• High-Precision ADC Chip – Stable and consistent signal sampling
• Compact Size – Ideal for embedded and space-limited designs
• 2.5mm Hose Interface – Easy tubing connection for pressure input

📊 Technical Specifications

• Pressure Range: 0–40KPa
• Operating Voltage: 3.3V–5V
• Output Type: Analog voltage
• Sensor Type: Resistive bridge
• Board Size: 18.7 × 13.4 mm
• Mounting Hole: 2 mm
• Hose Interface: 2.5 mm
• Weight: approx. 2.6 g

🧩 Typical Applications

• Water tank level monitoring
• Liquid level detection systems
• Air pressure measurement
• Arduino and ESP32 projects
• DIY automation systems
• Environmental sensing

⚠️ Important Notes

• Outputs raw analog signal – calibration required for accurate readings
• Pressure-to-level conversion depends on setup and fluid properties
• Ensure secure tubing connection for stable operation
• Module is not waterproof – protect electronics from moisture

📦 Package Includes

• 1 × 0-40KPa Pressure Sensor Module

🔗 Recommended Accessories (Not Included)

• Silicone tubing – for pressure input connection
• Arduino or ESP32 board – for processing data
• Jumper wires – for connections
• Breadboard – for prototyping