A Float sensor defines as a simple water level indicator. This water level controller is used in a pump, an indicator, an alarm, or other devices. YF-S402 Water Flow Measurement Sensor offers a 1~5Liter/min Flow Rate used with hot waters, cold waters, warm waters, clean water, and dirty water also. These are arranged in line with your water line and consist of a pinwheel sensor to measure how much liquid has moved through it. YF-S402 works on the principle of the Hall Effect.  According to this principle, a voltage difference is induced in the conductor due to the rotation of the rotor. The integrated magnetic Hall Effect sensor in the sensor outputs an electrical pulse with every revolution. The Hall Effect sensor is protected from the water pipe ensuring the sensor stays safe and dry. Thus water flow is calculated by counting the pulses from the output of the sensor. Each pulse is approximately 4380 per liter.

Specifications :

• Product - Water Flow  Sensor 
• Model No - YF-S402B
• Operating Voltage - 24V DC 
• Flow Range - 0.3-6L
• Current - 15mA

Features :

• Lightweight, Small in size, Easy to install;
• With stainless steel axis in the wheel, abrasion-resistant
• Sealing ring design to prevent water leaks;
• Compliant with RoHS standard
• Wide range of applications.

Package Include :

1 x YF-S402 High Precision Flow Meter Water Flow Sensor