Question 1

Can it be used for switching on a 1 Hp water pump(ac motor) after sensing water flow in a pipe? What are the other components I would need?

Accepted Answer

Hi IrshaadMy requirement is also in the similar to your question. Not sure if my reply would help you.You will need to put a mechanism in place to turn ON/OFF the Water Pump. I have see this sensor used with Arduino boards to check the flow rate.(You might find some examples or projects for reference on the net.)With this sensor even if Air is passed the sensor will respond that water is flowing. This is one major drawback in this.You would need a relay to turn your Motor on and off and rest is about detecting the water flow with a device which will inturn turn the motor ON/OFF.Hope this helps. Keep me posted on your findings. If i come across i will let you know as well.

Question 2

Can use it without using arduino board, simply visulised by blinking of led. This would help to prevent dry run of water pump !

Accepted Answer

YES, you can use yellow wire(pulse wire) to connect indicator / LED /Buzzer it gives nearly 450puls / L  - Team Sunrobotics

Question 3

Can it be used to switch on and off 1/2 HP water pump?

Accepted Answer

no sir. This is flow sensor which measures the flow. It do not work for ON-OFF function.

Question 4

can it indicate the water flow?

Accepted Answer

It is basically a sensor. It just generate pulses with varying frequencies based on the flow of water.

Brand	Generic
Manufacturer	Sound Land Corp
Country of Origin	China
Model number	Flow_sensor
Number of Memory Sticks	1
Item Weight	100 g
Product Dimensions	16 x 2 x 2 cm; 100 g
Item model number	Flow_sensor
Item Height	2 Centimeters
Item Width	2 Centimeters
Included Components	Water Flow Sensor by Robokart
Are batteries included?	No

Flow_sensor Water Flow Sensor

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