The Gravity Analog Water Pressure Sensor offers a linear 0.5–4.5V output and uses a DFRobot 3-pin interface, making it plug-and-play with Arduino and compatible microcontrollers. Measuring up to 1.6 MPa, this sensor is ideal for building smart irrigation, liquid level monitors, or DIY water diagnostics in tanks, pipes, and pumps.
Key Features
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0–1.6 MPa pressure sensing range
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Wide operating temperature: -20~85°C
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Fast response time under 2ms
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Compatible with liquid or gas (non-corrosive)
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Waterproof IP68 rated for outdoor and submerged applications
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Direct connection to Arduino via Gravity-3Pin (Signal–VCC–GND)
Applications
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Smart home plumbing monitoring (SCS)
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IoT water systems with real-time pressure tracking
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Aquaponics and hydroponic system integration
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Liquid tank level detection in varied environments
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Water flow diagnostics in farms, gardens, or rivers
Technical Specifications
| Parameter | Value |
|---|---|
| Medium | Non-corrosive liquid/gas |
| Pressure Range | 0–1.6 MPa |
| Output Voltage | 0.5–4.5 V |
| Input Voltage | 5V DC |
| Accuracy | ±0.5% F.S. (0~55°C) |
| Waterproof Level | IP68 |
| Thread | G1/4 |
| Adapter | G1/2 to G1/4 |
| Operating Temp | -20°C to 85°C |
| Response Time | <2.0 ms |
| Line Length | 1 meter |
| Service Life | 10 million cycles |
| Max Pressure | 3.0 MPa |
Example Project
Project: How to Play with a Water Pressure Sensor
Quick demo of detecting pressure and water flow using Arduino. Great for beginners to explore how analog sensors work in real-world systems.
Included in the Box
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Gravity: Analog Water Pressure Sensor ×1
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G1/2 to G1/4 Connector (pre-mounted) ×1
Why Choose This Sensor?
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Seamless Arduino compatibility, no coding headaches
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Industrial-grade waterproof and durable design
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High measurement accuracy and ultra-fast response
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Ready-to-go for both indoor automation and outdoor control setups