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The Best Flow Sensors

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Discover now our comparison of the best Flow Sensors. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Flow Sensors are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Flow Sensors in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
GREDIA 1/2" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter 1-30L/min
  • Connect to G1/2 inch BSPT male thread, hall effect
  • Flow range:1-30L/min, Water Pressure: ≤1.75Mpa
  • Working voltage: DC 5-24 V, F=(7.5*Q)±2%, Q=L/Min
  • Material: food grade plastic, all raw materials conform to the ROHS test standard
  • Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.
No. 3
GREDIA 1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min
  • Connect to a hosepipe whose inner diameter is about 5 to 7 mm( G1/4 inch connector)
  • Flow range: 0.5-3L/min, Water Pressure: ≤0.8Mpa
  • Working voltage: DC 5-24 V, F=(98*Q)±3%, Q=L/Min
  • Material: food grade plastic, all raw materials conform to the ROHS test standard
  • Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.
No. 4
NewYall AC A/C Compressor Flow Sensor for Toyota Sienna 2011-2016 Toyota Sienna 2011-2016 Highlander 2011-2013 Avalon 2013-2017 Avalon 2013-2017 GS350 2013-2015 ES350 2013-2016
  • For Toyota Sienna 2011-2016
  • For Toyota Camry 2012-2017
  • For Toyota Highlander 2011-2013
  • For Toyota Avalon 2013-2017
  • For Lexus RX350 2010-2015
  • For Lexus GS350 2013-2015
  • For Lexus ES350 2013-2016
SaleNo. 5
Ecosmart Fsa Nfsml Flow Sensor
  • Flow Sensor Assembly compatible with ECO 8 and ECO 11
  • Flow Sensor Assembly replacement part for tankless electric water heaters
No. 6
uxcell G1/2" Hall Effect Liquid Water Flow Sensor Switch Flowmeter Counter Meter DC 5V 60mm 1-30L/min SEN-HZ21WI
  • Stable, high temperature, low water pressure start.
  • Brass material, small size, easy to install.Hall element is imported, water-proof design to prevent water ingress,The inside of the impeller is inlaid with a stainless steel shaft and is always wear-resistant.
  • The water flow sensor is applied for water heater, and can be used as flow switch.
  • All materials are in line with SGS testing standards.
  • Flow Range: 1-30L/Min; Maximum Water Pressure: 1.75MPa
SaleNo. 7
Dorman 926-818 Air Conditioning Compressor Flow Sensor Compatible with Select Lexus/Scion/Toyota Models (OE FIX)
  • Cost-saving solution - this sensor allows only the failed component to be replaced without the cost of replacing the entire A/C compressor
  • Durable construction - this flow sensor is made of quality materials and components for reliable service
  • Extensively tested - this motor has undergone fit and performance testing to ensure a quality fit and long service life
  • Trustworthy quality - backed by team of engineers in the United States
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
No. 8
JESSINIE 2Pcs YF-S201C DC3.5-24V G1/2" Transparent Flow Sensor Turbine Flowmeter Water Flow Sensor Transparent Water Flow Meter YF-S201C Range 1-30L/min
  • The flow sensor mainly consists of a plastic valve body, a water flow rotor assembly, and a Hall sensor.
  • The product has a lightweight and flexible appearance, small size, and is easy to install. The impeller is internally inlaid with stainless steel beads, which is wear-resistant. Design of lines and isolation from water.
  • Valve body is made of transparent material to facilitate observation of water flow and rotor conditions. All raw materials meet testing standards.
  • Working voltage range: black version DC3.5-12V; Transparent DC3.5-24V; Load capacity: ≤ 10 mA (DC 5V); Allowable pressure resistance water pressure below 1.75Mpa
  • Scope of application: Suitable for water heaters, card readers, automatic water dispensers, and other flow metering equipment
No. 9
SENSTREE G1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible
  • NPT Thread
  • 1-30L/min
  • The Water Flow Sensor is light, has a nimble outline, small, and is easy to install—the bearings used in the rotating part.
  • There is 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.
  • Installed by flow direction in the product, otherwise, there is no signal output.
  • It is mainly used in water heaters, coffee machines, water purifiers, drinking fountains, beverage machines, campus smart card equipment, etc.
No. 10
Bolsen Water Flow Sensor flowmeter Hall Flow Sensor Water Control 1-30L/min 2.0MPa YF-S201
  • Water flow sensor: Water flow sensor Hall flow sensor for Water control
  • Flow rate: Measures flow rate of 1-30L/min
  • Pressure rating: Rated for 2.0MPa
  • Model: Compatible with YF-S201 model
  • Manufacturer: Manufactured by Bolsen

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Last update on 2025-03-08 / Affiliate links / Images from Amazon Product Advertising API