About this item

🌊 Water Turbidity Sensor STJF – 3.3–5V

The STJF turbidity sensor is designed to measure water clarity (turbidity) by detecting suspended particles in liquid.
It is ideal for Arduino, ESP32, Raspberry Pi projects, especially in water quality monitoring systems.

🛡️ Features & Advantages

• 🌊 Water turbidity measurement
• 📊 Analog output (and digital depending on version)
• ⚡ 3.3V and 5V compatible
• 🔦 Infrared optical sensing
• 🧰 Easy to integrate and use

📦 Technical Description

• 🧩 Type: optical turbidity sensor
• 🔌 Supply voltage: 3.3 – 5 V DC
• 📈 Output: analog (0–4.5 V typical) + digital (optional)
• 🎯 Principle: infrared light scattering
• 🌡️ Operating temperature: 5 °C to 90 °C
• 📏 Dimensions: approx. 40 × 30 mm (module)

🛠️ Applications

• 💧 Water quality monitoring
• 🏠 Aquariums and home systems
• 🤖 Arduino / ESP32 projects
• 🧪 Scientific experiments
• 🌿 Agriculture and hydroponics

⚠️ Usage Notes

• ❗ Clean the probe regularly for accuracy
• 🔧 Calibrate according to application
• 🛡️ Avoid air bubbles and deposits on sensor
• 🔌 Use a stable power supply

✨ Key Features

• 🌊 Turbidity measurement
• 📊 Analog (and digital) output
• ⚡ 3.3V / 5V compatible
• 🔦 Optical IR sensing
• 📦 Ideal for water quality