DC 3.3/5V 0-40KPa Liquid Level Pressure Sensor Module Arduino
DC 3.3/5V 0-40KPa Liquid Level Pressure Sensor Module Arduino
DC 3.3V/5V 0–40KPa Barometric Pressure Liquid Level Sensor Module for Arduino
Take your Arduino projects to the next level with this compact, high-precision barometric pressure and liquid level sensor module. Designed for makers, engineers, and hobbyists, this module uses a high-accuracy AD sampling chip paired with a 0–40KPa pressure sensor to deliver reliable digital readings for gas flow monitoring, liquid level detection, and more. Simply connect a 2.5mm soft tube and integrate it into your circuit — it's that easy.
Key Features
- Wide Measurement Range: Measures pressure changes from 0 to 40KPa, making it ideal for low-pressure monitoring applications such as gas flow and liquid level sensing.
- High Accuracy: Built-in high-precision AD sampling chip ensures consistent, accurate digital output for dependable monitoring systems.
- Ultra-Compact Design: Measuring just 19 × 18 × 11 mm (0.74 × 0.70 × 0.43 in), this miniature module integrates seamlessly into tight project enclosures and breadboard setups.
- Low Power Consumption: Supports intermittent operation mode to minimize energy use — perfect for battery-powered or long-term continuous monitoring applications.
- Reliable & Stable: The 5kΩ resistance bridge sensor provides excellent stability and repeatability under varying conditions, making it a dependable choice for critical projects.
- Broad Compatibility: Works with Arduino, Raspberry Pi, and other 3.3V/5V microcontroller platforms straight out of the box.
Specifications
| Operating Voltage | DC 3.3V – 5V |
| Pressure Range | 0 – 40 KPa |
| Tube Connection | 2.5mm Soft Tube |
| Dimensions | 19 × 18 × 11 mm / 0.74 × 0.70 × 0.43 in |
| Color | Red |
| Sensor Type | 5kΩ Resistance Bridge |
| Output | Digital |
What's in the Box
- 1 × Digital Barometric Air Pressure / Liquid Level Sensor Module
Made in Mainland China.
Note: Due to differences in monitor settings and lighting conditions, the actual product color may vary slightly from images. Please allow ±1–2 cm deviation due to manual measurement.
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Frequently Asked Questions
Q: What voltage does the liquid level sensor module support?
A: This barometric pressure and liquid level sensor module supports both 3.3V and 5V DC operating voltages, making it compatible with a wide range of Arduino boards, Raspberry Pi, and other popular microcontrollers.
Q: What size tube connects to this sensor module?
A: The module is designed to connect with a 2.5mm soft tube, which attaches easily for liquid level or gas pressure monitoring in your project setup.
Q: What is the measurement range of this Arduino pressure sensor?
A: The sensor module measures pressure in the range of 0 to 40KPa, making it well-suited for low-pressure applications such as water level detection, air flow monitoring, and similar Arduino-based projects.
Q: Is this module ready to use with Arduino right away?
A: Yes — the module outputs a digital signal and is designed for straightforward integration with Arduino and other 3.3V/5V microcontroller platforms. Attach a 2.5mm soft tube, connect the pins, and you're ready to start coding your monitoring logic.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.