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DFRobot Gravity Analog Water Pressure Sensor Module

DFRobot Gravity Analog Water Pressure Sensor Module

₹1,859.00Price

💧 DFRobot Gravity Analog Water Pressure Sensor

🧩 Overview

  • Analog water pressure measurement sensor

  • Part of DFRobot Gravity series (plug-and-play)

  • Designed for liquid pressure detection in pipes, tanks, and systems

  • Compatible with Arduino, ESP32, Raspberry Pi

⚙️ Working Principle

  • Uses piezoresistive pressure sensing element

  • Water pressure applies force on internal diaphragm

  • Causes change in electrical resistance

  • Internal circuit converts it into analog voltage output (linear)

👉 Works like a pressure-to-voltage converter

📊 Key Specifications

  • 🔹 Pressure Range: 0 – 1.6 MPa (≈ 0–16 bar)

  • 🔹 Operating Voltage: 5V DC

  • 🔹 Output Voltage: 0.5V – 4.5V (linear)

  • 🔹 Accuracy: ±0.5% – 1% FS

  • 🔹 Response Time: < 2 ms

  • 🔹 Current Consumption: ~2.8 mA

  • 🔹 Thread Size: G1/4 (with G1/2 adapter)

  • 🔹 Waterproof Rating: IP68

  • 🔹 Operating Temp: -20°C to 85°C

  • 🔹 Lifetime: ≥ 10 million cycles

🔌 Pin Configuration (Gravity 3-Pin)

  • 🟡 Signal → Analog output (0.5–4.5V)

  • 🔴 VCC → 5V

  • GND → Ground

🔄 Features

  • Linear analog output (easy calibration)

  • Plug-and-play Gravity interface

  • Fully waterproof (IP68)

  • High durability & long life

  • Fast and stable readings

🛠️ Applications

  • Smart water systems 💧

  • Pipeline pressure monitoring

  • Water tank level estimation

  • Agriculture irrigation systems 🌱

  • IoT-based fluid monitoring systems

⚠️ Usage Tips

  • Use only with non-corrosive liquids

  • Add filtering/averaging in code for stable readings

  • For ESP32 (3.3V ADC), use voltage divider

  • Ensure proper thread sealing (Teflon tape)

  • Avoid exceeding 2 MPa operating pressure

✅ Advantages

  • High accuracy and reliability

  • Waterproof and rugged design

  • Easy integration with microcontrollers

  • Suitable for both indoor & outdoor use

⚠️ Limitations

  • Requires calibration for precise readings

  • Analog output → needs ADC processing

  • Not suitable for corrosive liquids

  • Needs proper mechanical installation

🔍 Summary

  • A high-precision analog water pressure sensor (0–1.6 MPa)

  • Outputs linear voltage (0.5–4.5V)

  • Ideal for IoT, automation, and water monitoring systems

  • Durable, waterproof, and easy to integrate

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