مشخصات سنسور جریان آب (Water Flow) اثر هال مدل YF-S201
YF-S201 Hall Effect Water Flow Meter / Sensor
This sensor sits in line with your water line and contains a pinwheel sensor to measure how much liquid has moved through it. There's an integrated magnetic Hall Effect sensor that outputs an electrical pulse with every revolution. The Hall Effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry.
The sensor comes with three wires: red (5-24VDC power), black (ground) and yellow (Hall Effect pulse output). By counting the pulses from the output of the sensor, you can easily calculate water flow. Each pulse is approximately 2.25 milliliters. Note this isn't a precision sensor, and the pulse rate does vary a bit depending on the flow rate, fluid pressure and sensor orientation. It will need careful calibration if better than 10% precision is required. However, it’s great for basic measurement tasks!
We have as example Arduino sketch that can be used to quickly test the sensor, it will calculate the approximate flow of water in liters/hour.
The pulse signal is a simple square wave so it’s quite easy to log and convert into liters per minute using the following formula.
Pulse frequency (Hz) / 7.5 = flow rate in L/min.
- Model: YF-S201
- Sensor Type: Hall effect
- Output Type: 5V TTL
- Accuracy: ±10%
- Maximum water pressure: 2.0 MPa
- Output duty cycle: 50% +-10%
- Output rise time: 0.04us
- Output fall time: 0.18us
- Flow rate pulse characteristics: Frequency (Hz) = 7.5 * Flow rate (L/min)
- Pulses per Liter: 450
- Durability: minimum 300,000 cycles
- Cable length: 15cm
- Size:5.80 x 3.60 x 3.00 cm
Red: positive ( + )
Yellow: the signal output
Black: negative ( - )
دیتاشیت فلومتر اثر هال
مشخصات محصول YF-S201 Hall Effect Water Flow Meter / Sensor
ابعاد5.80 x 3.60 x 3.00 cm
بازه عملکرد1 to 30 Liters/Minute
سایر ویژگی هاماکزیمم فشار آب: 2 مگاپاسکال
سایر ویژگی هانوع خروجی: 5V TTL