{"product_id":"gravity-arduino-turbidity-sensor-in-pakistan","title":"Gravity Arduino Analog Turbidity Sensor","description":"\u003cp\u003eThe \u003cb\u003egravity arduino turbidity sensor\u003c\/b\u003e detects water quality by measuring the levels of turbidity. It uses light 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.  Turbidity sensors are used to measure water quality in rivers and streams, wastewater and effluent measurements, control instrumentation for settling ponds, sediment transport research and laboratory measurements. This liquid sensor provides analog and digital signal output modes. The threshold is adjustable when in digital signal mode. You can select the mode according to your MCU. \u003c\/p\u003e\n\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eOperating Voltage: 5V DC\u003c\/li\u003e\n\u003cli\u003eOperating Current: 40mA (MAX)\u003c\/li\u003e\n\u003cli\u003eResponse Time  : \u0026lt;500ms\u003c\/li\u003e\n\u003cli\u003eInsulation Resistance: 100M (Min)\u003c\/li\u003e\n\u003cli\u003eAnalog output: 0-4.5V\u003c\/li\u003e\n\u003cli\u003eDigital Output: High\/Low level signal (you can adjust the threshold value by adjusting the potentiometer)\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: 5℃~90℃\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -10℃~90℃\u003c\/li\u003e\n\u003cli\u003eWeight: 30g\u003c\/li\u003e\n\u003cli\u003eAdapter Dimensions: 38mm*28mm*10mm\/1.5inches *1.1inches*0.4inches\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eInterface Description:\u003c\/h2\u003e\n\u003chr\u003e\n\u003col\u003e\n\u003cli\u003e\"D\/A\" Output Signal Switch\n\u003col\u003e\n\u003cli\u003e\"A\": Analog Signal Output, the output value will decrease when in liquids with a high turbidity\u003c\/li\u003e\n\u003cli\u003e\"D\": Digital Signal Output, high and low levels, which can be adjusted by the threshold potentiometer\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli\u003eThreshold Potentiometer: you can change the trigger condition by adjusting the threshold potentiometer in digital signal mode.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eExamples:\u003c\/h2\u003e\n\u003cp\u003eHere are two examples: \u003cbr\u003eExample 1 uses Analog output mode \u003cbr\u003eExample 2 uses Digital output mode \u003c\/p\u003e\n\u003ch3\u003eExample 1\u003c\/h3\u003e\n\u003cp\u003evoid setup() {\u003cbr\u003e  Serial.begin(9600); \/\/Baud rate: 9600\u003cbr\u003e}\u003cbr\u003evoid loop() {\u003cbr\u003e  int sensorValue = analogRead(A0);\/\/ read the input on analog pin 0:\u003cbr\u003e  float voltage = sensorValue * (5.0 \/ 1024.0); \/\/ Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V):\u003cbr\u003e  Serial.println(voltage); \/\/ print out the value you read:\u003cbr\u003e  delay(500);\u003cbr\u003e}\u003c\/p\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch3\u003e\n\u003cbr\u003eExample 2\u003c\/h3\u003e\n\u003cp\u003eint ledPin = 13;                \/\/ Connect an LED on pin 13, or use the onboard one\u003cbr\u003eint sensor_in = 2;                 \/\/ Connect turbidity sensor to Digital Pin 2\u003c\/p\u003e\n\u003cp\u003evoid setup(){\u003cbr\u003e  pinMode(ledPin, OUTPUT);      \/\/ Set ledPin to output mode\u003cbr\u003e  pinMode(sensor_in, INPUT);       \/\/Set the turbidity sensor pin to input mode\u003cbr\u003e}\u003c\/p\u003e\n\u003cp\u003evoid loop(){\u003cbr\u003e   if(digitalRead(sensor_in)==LOW){       \/\/read sensor signal\u003cbr\u003e        digitalWrite(ledPin, HIGH);   \/\/ if sensor is LOW, then turn on\u003cbr\u003e     }else{\u003cbr\u003e        digitalWrite(ledPin, LOW);    \/\/ if sensor is HIGH, then turn off the led\u003cbr\u003e     }\u003cbr\u003e}\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThis 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 \u0026lt; 0.5, it should output “4.1±0.3V” when temperature is 10~50℃.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdl\u003e\n\u003cdd\u003e\n\u003ca title=\"File_sen0189_sensor_probe.png-dfrobot\" href=\"https:\/\/wiki.dfrobot.com\/File_SEN0189_sensor_probe.png\"\u003e\u003cimg loading=\"lazy\" data-original=\"https:\/\/www.dfrobot.com\/wiki\/images\/b\/b3\/SEN0189_sensor_probe.png\" width=\"600\" src=\"https:\/\/digilog.pk\/cdn\/shop\/files\/SEN0189-sensor-probe.webp\" height=\"251\" alt=\"Gravity Arduino Analog Turbidity Sensor In Pakistan\" data-files=\"SEN0189-sensor-probe.webp\"\u003e\u003c\/a\u003e\n\u003cp\u003echaracteristic curve “Voltage ----Temperature\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Gravity Arduino Analog Turbidity Sensor In Pakistan\" data-original=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/Gravity-Arduino-Turbidity-Sensor-In-Pakistan.jpg?v=1702680106\" src=\"https:\/\/digilog.pk\/cdn\/shop\/files\/Gravity-Arduino-Turbidity-Sensor-In-Pakistan.webp\" data-files=\"Gravity-Arduino-Turbidity-Sensor-In-Pakistan.webp\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" alt=\"Gravity Arduino Analog Turbidity Sensor In Pakistan\" data-original=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/Gravity-Arduino-Turbidity-Sensor-In-Pakistan-bnvq-k4.jpg?v=1702680093\" src=\"https:\/\/digilog.pk\/cdn\/shop\/files\/Gravity-Arduino-Turbidity-Sensor-In-Pakistan-bnvq-k4.webp\" data-files=\"Gravity-Arduino-Turbidity-Sensor-In-Pakistan-bnvq-k4.webp\"\u003e\u003c\/p\u003e\n\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"China","offers":[{"title":"Default Title","offer_id":43962437304385,"sku":"B283,krt8,IMP10,Th2,A","price":2200.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/Gravity_Arduino_Turbidity_Sensor_In_Pakistan.jpg?v=1779538810","url":"https:\/\/stem.pk\/products\/gravity-arduino-turbidity-sensor-in-pakistan","provider":"stem.pk","version":"1.0","type":"link"}