The analog turbidity sensor module is designed to measure water quality by detecting the level of suspended particles (TSS) in a liquid [citation:1][citation:5]. By measuring the light transmittance and scattering rate, the sensor's output changes with the turbidity level, making it ideal for environmental monitoring, wastewater treatment, and DIY water quality projects [citation:3][citation:9].
| Parameter | Value |
|---|---|
| Operating Voltage | 5V DC [citation:1][citation:2] |
| Operating Current | ≤40mA [citation:1] |
| Response Time | <500ms [citation:1] |
| Analog Output | 0-4.5V [citation:1][citation:9] |
| Digital Output | High/Low (adjustable threshold via potentiometer) [citation:1] |
| Operating Temperature | -10°C to +90°C (depends on model) [citation:1][citation:2] |
= Key Features =
+Optical Detection Principle - IR LED and photodiode measure transmitted light intensity [citation:3]
+Fast Measurement Response time under 500ms for realtime monitoring [citation:1]
+Versatile Interface - Direct connection to Arduino analog and digital pins [citation:1][citation:9]
+Adjustable Threshold - Onboard potentiometer for digital output sensitivity [citation:1]
√ Compatible with Arduino Uno, Nano, and other 5V microcontrollers [citation:3]
√ Includes adapter board, sensor probe, and cable in many kits [citation:1]
√ Sensors calibrated to respond to turbidity changes with analog voltage output
Sensor always reads 0% or no output:
Unstable readings: