1. How to use a water sensor Arduino?

S, Vout(+), and GND are the three terminals of a water sensor (-). Here is the process of How to use a water sensor, ArduinoConnect your Arduino board's +Vs to +5v.S should be connected to the Arduino board's digital PIN 8.Connect the Arduino's GND to GND.Connect the LED to the Arduino board's digital PIN 9.Pin 8 on the Arduino gets LOW when a water sensor detects it, and the LED on the Arduino is then turned ON.

2. What is a water flow sensor?

Large industrial facilities, and business and residential structures need a lot of water supplies. To fulfill this requirement, the public water supply system is utilized. It is necessary to measure the rate of flow of water to keep track of how much is provided and used. For this, these sensors are employed.

3. Can an IR sensor detect water?

No, IR sensors are not very commonly used to detect water. Because the beam that infrared sensors emit must be broken by a non-transparent edge, which water does not have, infrared sensors are not frequently employed to detect surface water.

4. Are these sensors compatible with Arduino and Raspberry Pi?

Yes — the turbidity sensor module and pH sensor are explicitly designed for compatibility with microcontroller platforms like Arduino and single-board computers such as Raspberry Pi. For example, the turbidity sensor listing mentions compatibility with Arduino, Raspberry Pi, AVR and PIC platforms.

5. Can these sensors measure water quality for DIY projects?

Yes — they are designed for water quality monitoring, including applications like detecting suspended particles (turbidity) and measuring pH levels of liquids. For example, the turbidity sensor measures how much light is transmitted or scattered by particles in water, which relates to water clarity and particle load.

6. What is the accuracy and range of these sensors?

The turbidity sensor has a measuring range listed as 0 to about 1000NTU (Nephelometric Turbidity Units) in the product specification. The accuracy is described as suitable for monitoring purposes rather than ultra-precise laboratory standard measurements — it’s designed more for hobbyist and field/demo use than certified analytic use. The water flow sensor (also in that category) lists a flow characteristic and tolerance like ±10% for one model.

7. Do these modules require calibration and maintenance?

Yes — calibration or adjustment is recommended. For example, the turbidity sensor includes a potentiometer (trim-pot) for sensitivity adjustment. For best results, you’d calibrate the sensor in clean water or known standard solution, establish a baseline, and check periodically for drift or sensor fouling (especially in water monitoring where particles or coatings may accumulate).

Buy Water Flow, pH, Turbidity, Level, Pressure Sensor Online

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Example product title

Rs. 20; Rs. 20
Unit price: per

Sr. No	Product	Price
1.	Horizontal Water Float Level Sensor Switch	Rs. 187
2.	Float Switch Sensor For Water Level Controller With 2 Meter Wire	Rs. 242
3.	Analog pH Sensor Electrode with Amplifier Circuit	Rs.1773
4.	Magnetic Float Sensor FS37A (Vertical)	Rs.127
5.	High Sensitivity Water Sensor compatible with Arduino	Rs.35
6.	Solenoid Valve 12v-24v (Blue)	Rs.247
7.	YF-S401 1/8 inch Water Flow Sensor	Rs.273
8.	Water Flow Sensor	Rs.221
9.	Magnetic Float Sensor FSH01 (Horizontal)	Rs.168
10.	Turbidity Sensor	Rs.840
11.	Water Flow Sensor YF - SN402	Rs.310
12.	Water Flow Sensor SEN-HZ21WA	Rs.460
13.	Water Flow Sensor SEN-HZ43WB	Rs.560
14.	Water Flow Sensor SEN-HZ21WI	Rs.465
15.	DC 12V KK-P25/20 8KG Lifting Solenoid Electromagnet	Rs.244
16.	Water Flow Sensor YF G1	Rs.1056
17.	Water Flow Sensor SEN-HZG1WA	Rs.884
18.	Water Flow Sensor YF - DN50	Rs.2570
19.	Mini Water Flow Sensor (White)	Rs.536
20.	Water Flow Sensor YF - DN40	Rs.1274
21.	Water Flow Sensor SEN-HZ41WC	Rs.334
22.	Turbidity Liquid Particle Detection Sensor	Rs.728
23.	Water Flow Sensor SEN-HZ43WA	Rs.323
24.	Solenoid Valve 230V	Rs.284
25.	Magnetic Float Sensor	Rs.194
26.	Float Sensor Contact Type CSSP	Rs.193
27.	Float Sensor CSDP (Double Pin)	Rs.194
28.	Float Switch L-12 (White)	Rs.96
29.	Steel Float Switch	Rs.302

All Categories

Buy Water Flow, pH, Turbidity, Level, Pressure Sensor Online

Categories

Refined By Clear all

Availability

Price

Featured Products

Sort by:

Recently Viewed Products

All About pH/Turbidity/Flow sensors

Buy Water Flow Sensor Online at Best Price in India

Water Flow Sensor Prices in India

Sensor Categories:

Flow sensors

Level sensors

Turbidity sensors

pH sensors

Wiring Diagrams

PH Sensor diagram

Turbidity Sensor

Magnetic Sensor

Applications of Sensors

1. Water Quality Monitoring

2. Smart Aquariums & Aquaculture

3. IoT & Smart Automation Projects

Installation & Calibration Instructions

1. Flow Sensors

2. pH Sensors

3. Turbidity Sensors

4. Level Sensors

5. Pressure Sensors

Troubleshooting Tips & Maintenance Advice

Flow Sensors

pH Sensors

Turbidity Sensors

Level Sensors

Pressure Sensors

Frequently Asked Questions

1. How to use a water sensor Arduino?

S, Vout(+), and GND are the three terminals of a water sensor (-). Here is the process of How to use a water sensor, Arduino

Connect your Arduino board's +Vs to +5v.

S should be connected to the Arduino board's digital PIN 8.

Connect the Arduino's GND to GND.

Connect the LED to the Arduino board's digital PIN 9.

Pin 8 on the Arduino gets LOW when a water sensor detects it, and the LED on the Arduino is then turned ON.

2. What is a water flow sensor?

3. Can an IR sensor detect water?

No, IR sensors are not very commonly used to detect water. Because the beam that infrared sensors emit must be broken by a non-transparent edge, which water does not have, infrared sensors are not frequently employed to detect surface water.

4. Are these sensors compatible with Arduino and Raspberry Pi?

5. Can these sensors measure water quality for DIY projects?

6. What is the accuracy and range of these sensors?

7. Do these modules require calibration and maintenance?

Sign up for our newsletter

Shop the look

Choose Options

Edit Option

Back In Stock Notification

Compare

Choose Options

Let customers speak for us