Click on the following link for product video demo presentation. https://youtu.be/WOILXU58L3o

Specification:
 
Model: YF-S201C
Color: Transparent
The Lowest Rated Working Voltage: DC4.5 5V-24V
Maximum Operating Current: 15 mA (DC 5V)
Working Voltage Range: DC 5~18 V
Load Capacity: = 10 mA (DC 5V)
Work Temperature: = 80 ?
 
Work Humidity Range: 35%~90%RH (No Frost)
Allowing Pressure: Pressure 1.75Mpa
Storage Temperature: -25~+80?
Save Humidity: 25%~95%RH
Flow Range :1-30L / min
External Threads: Approx. 1/2"
Cord Connection:
Red (IN): Positive(+)
Yellow (OUT): Signal output
Black (GND): Negative(-)
NOTE:
1.Non-violent Shock And Chemical Erosion.
2.Non-throwing Or Hitting.
3.Mounted Vertically, Should Not Exceed 5 Degrees Inclination.
4.Temperature Of Medium Should Not Exceed 120 ?
1 Exterior Product logo clear, accurate and consistent with the requirements
2 Water resistant > 1.75MPa
3 Working voltage range DC  5 to 15 V
4 Insulation resistance > 100MO
5 Accuracy ? 1 to 30L \ MIN +- 3%
6 Flow pulse characteristics (5 x Q) Q = L / Min +- 3%
7 Output pulse high level > DC 4.7V (input voltage DC 5V)
8 Output pulse low <DC 0.5V (input voltage DC 5V)
9 Output pulse duty cycle 50% +-10%