YF-S201 Flowmeter G1/2″ Hall Effect Water Flow Sensor 1-30lpm


3 in stock

SKU: 15MM1-30HFS Category:



  • Flowmeter with G1/2 Threads – simple output to measure the flow rate of water or other non-flammable liquids
  • Great for use with Arduinos or other microcontrollers – may also be used for gases with some adjustment for densit
  • Hall Effect Sensor inferface
  • 1-30L/min 1.75 MPa capacity
  • Stainless steel axis


Minimum Rated Working Voltage 

    • DC4.5 5V-24V
Maximum Operating Current 15 mA (DC 5V)
Working Voltage Range DC 5~18V
Load Capacity ≤ 10mA (DC 5V)
Operating Temperature -25 ~ 80°C
Operating Humidity Range 35% ~ 90% RH (no frost)
Allowing Pressure 1.75 Mpa
External Threads 1/2″
High Amplitude ≥ 4.6V
Low Amplitude ≤ 0.5V
Electric Strength 1250V/min
Insulation Resistance ≥ 100MΩ
Hydrostatic Pressure Testing ≤ 2.0Mpa
Extent of Error ±5%
Flow-Pulse 2L/min=16Hz, 4L/min=32.5Hz, 6L/min=49.3Hz, 8L/min=65.5Hz, 10L/min=82Hz

Additional information

Weight 100 g
Dimensions 100 × 80 × 60 mm


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