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Gravity: Analog Turbidity Sensor

Gravity: Analog Turbidity Sensor

Sensor de turbidez de de agua, con salidas analógica y digital.

COD: DFSEN0189

Peso: 0.030 Kg

Disponibilidad: En Stock

Su correo electrónico:

ARS 426.00

Cantidad:

El producto no está disponible para la venta en este momento

Características

The turbidity sensor detects water quality by measuring level of turbidity. It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water. As the TTS increases, the liquid turbidity level increases.

This sensor have both analog and digital signal output modes. You can select the mode according to the MCU as threshold is adjustable in digital signal mode.

Turbidity sensors can be used in measurement of water quality in rivers and streams, wastewater and effluent measurements, sediment transport research and laboratory measurements.

Please note that the top of probe is not waterproof!
 

Specification

  • Operating Voltage: 5V DC
  • Operating Current: 40mA (MAX)
  • Response Time  : <500ms
  • Insulation Resistance: 100M (Min)
  • Output Method:
    • Analog output: 0-4.5V
    • Digital Output: High/Low level signal (you can adjust the threshold value by adjusting the potentiometer)
  • Operating Temperature: 5℃~90℃
  • Storage Temperature: -10℃~90℃
  • Weight: 30g
  • Adapter Dimensions: 38mm*28mm*10mm/1.5inches *1.1inches*0.4inches

DOCUMENTS

SHIPPING LIST

  • Turbidity sensor adapter x1
  • Turbidity sensor probe x1
  • Turbidity sensor cable x1
  • Gravity analog sensor cable x1

Connection Diagram

SEN0189 connection.png

Interface Description:


  1. "D/A" Output Signal Switch
    1. "A": Analog Signal Output, the output value will decrease when in liquids with a high turbidity
    2. "D": Digital Signal Output, high and low levels, which can be adjusted by the threshold potentiometer
  2. Threshold Potentiometer: you can change the trigger condition by adjusting the threshold potentiometer in digital signal mode.

 

Examples

Here are two examples: 
Example 1 uses Analog output mode 
Example 2 uses Digital output mode 

Example 1

void setup() {
  Serial.begin(9600); //Baud rate: 9600
}
void loop() {
  int sensorValue = analogRead(A0);// read the input on analog pin 0:
// Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V):
float voltage = sensorValue * (5.0 / 1024.0); Serial.println(voltage);
// print out the value you read: Delay(500); }


Example 2

int ledPin = 13;                // Connect an LED on pin 13, or use the onboard one
int sensor_in = 2;                 // Connect turbidity sensor to Digital Pin 2

void setup(){
  pinMode(ledPin, OUTPUT);      // Set ledPin to output mode
  pinMode(sensor_in, INPUT);       //Set the turbidity sensor pin to input mode
}

void loop(){
   if(digitalRead(sensor_in)==LOW){       //read sensor signal 
        digitalWrite(ledPin, HIGH);   // if sensor is LOW, then turn on
     }else{
        digitalWrite(ledPin, LOW);    // if sensor is HIGH, then turn off the led
     }
}


This is a reference chart for the mapping from the output voltage to the NTU according to different temperature. e.g. If you leave the sensor in the pure water, that is NTU < 0.5, it should output “4.1±0.3V” when temperature is 10~50℃.

 

characteristic curve “Voltage ----Temperature

 

Note: In the diagram, the unit measuring turbidity is shown as NTU, also it is known as JTU (Jackson Turbidity Unit), 1JTU = 1NTU = 1 mg/L. Refer to Turbidity wikipedia

 

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