1" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter 1-60L/min (Pack of 2)
Product ID: 608612170
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Our products are fine made with nice materials and good workmanship, strict quality control, guarantee in after service. The flowmeter is light and handy, easy to install. The sealing ring make the connection firm, the sealing performance is good and the problem of water leakage is avoided. More details about the flow meter: F=(5.5*Q)ยฑ2%, Q=L/Min, error: ยฑ2% Working range: 1-60L/min Working voltage: DC 5-24 V Water Pressure: โค1.2Mpa Liquid temperature: 0-100โ Maximum current consumption: 15 mA(DC 5V) Wire length: 15 cm Size: 72mm x 46mm x 42mm(L*W*H) Refer to the wiring: Red wire: VCC(+) Black wire: GND(-) Yellow wire: Signal output Package: 2 x 1 inch flowmeter
| Asin | B07RF5D156 |
| Date First Available | 2 May 2019 |
| Item Model Number | GR-108P2 |
| Manufacturer | GREDIA |
| Package Dimensions | 15.01 x 11.3 x 5.11 cm; 159 g |
User
Actually works
Believe it or not I put these on my flexicoil sprayer the 65xl and was able to calibrate my nozzles to the new meter and it was pretty accurate I bought a bag of 20 so I had back up but the original lasted 2 years now pretty durable wasnโt expecting that
User
The magic number is 897 pulses per gallon
Works. Definitely seeing the +/- 5% difference in output.A few things I discovered:* The sensor needs at least 8V. I had a 9v power supply left over from some other equipment. However, a raspberry PI can only take 3.3V into its GPIO port. (and no pull-up resistor is needed) So I sent 8V into this sensor, and on the output pin I installed a 10k resistor tied to ground. This dropped the output voltage to around 3.7V.* I wanted to record data in gallons per hour. This is from my most recent calibration where I dumped water into a bucket marked off with quarters of a gallon on the side.total_gal = total_gal + 0.001115 # 897 pulses per gal = 0.001115 gal per pulse. This code runs whenever a change from high to low occurs on the output pin.flow = (count / 897.0)*3600 # pulses/897 is gal per sec. *3600 is gal per hour* the label faces down. There is a lot of play in the spindle inside. making the label face down puts the impeller more directly in line with the water flow* make sure you install it in the right direction. The arrow on the label was correct for me.* I used waterproof automotive plugs, sealed on the ends with caulk, since this thing will be outside measuring the irrigation water usage.
User
Measure water flow well
Works well with standard microcontrollers. 5VDC needed
User
Works great
Actually using these in industrial environment and never failed. In operation over two years now.
User
Fast delivery.
Goods exactly as described.
Trustpilot
2 weeks ago
2 days ago