Best Inch Flowmeters in 2026

【Have a Certain Waterproof Effect】: Compared with other flowmeter, we optimized the mold, so that ours has a Certain Waterproof Effect. 1" inch ow meter Pretty and more professional LCD Turbine Fuel Flow Meter designed by own, Maximum Working Pressure is 6 RAR

【Modular Design】: Professional Turbine flow meter Makes diesel fuel flow meter suitable for use with output modules, sensors and remote transmitters, flow rate is 15L/min -120L/min

【Digital LCD Display】 : 4.18 * 2.67cm LCD Screen, High-definition displays show both instantaneous and cumulative flow with NPT Counter

Size & Portable Feature: Included 1 PCs flow meter and 2 PCs 3/4 inch adaptor, lightweight and compact size offers convenient operation and updated installation, Maximum working pressure: 20BAR

Modular Design: Turbine flow meter Makes diesel fuel flow meter suitable for use with output modules, sensors and remote transmitters, Working temperature: -10°C ~ +60°C

Digital LCD Display : High-definition displays show both instantaneous and cumulative flow with NPT Counter, 3/4" Flow range: 15-120L / Min

Connect to 1 inch BSPT male thread, hall effect, comes with 2 pieces

Flow range:1-60L/min, Water Pressure: ≤1.2Mpa

Working voltage: DC 5-24 V, F=(5.5*Q)±2%, Q=L/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

Wide Application-Suitable for testing diesel, fuel, kerosene methanol, water and etc.

Wide Application-Suitable for testing diesel, fuel, kerosene methanol, water and etc.

Multi-function-LCD display, zero function, cumulative flow reading easy to operate, read and adjust.

FLOW METER: the 1 inch flow meter can read instantaneous flow rate, single cumulative flow and total cumulative flows. But it has minimum flow rate requirment, if the flow rate of the tested liquid is lower than 2.5 gal/min, the readings will be inaccurate.

TECHNICAL PARAMETERS：① diameter of water inlet: 32mm; ② max. working pressure: 0.6MPa; ③ the flow speed requirenment for tested liquid: 2.5~26 gal/min; ⑥ max temp of tested liquid: 158°F/70°C; ⑦ Accuracy: ±1% ; ⑧ NO batteries inclued

MULTIPLE UNITS: the flow meter provide 4 meauring units for option, which are liter, gallon, pint and quart. The unit defaults to gallons, if the unit is not gallons, please refer to the user manual to change the unit to the needed one.

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

DIGITAL OIL CONTROL VALVE - This Commercial capable Digital Oil Control Valve is designed for all DIY or Professional applications. Capable of delivering fast flows and precision measuring in various calibrations; Built to meet and exceed industrial grade quality standards, providing dependable performance; Manufactured to OSHA and ISO Regulations

SPECS - This Digital Control Valve has a Max Flow rate of 10GPM / 35LPM, at a precision of ±0.5%, handling Viscosity of 8-5000mPas, w/ a Max Pressure Range of 5Mpa 0.5-50BAR / 7-725PSI. An Inlet Connection of 1/2" inch NPT Female connecting to industry standard oil hose reels & battery powered w/ 1x 3V CR2 Battery, all together weighting 2.86 lbs, including the Digital LCD Meter and flexible spout

PRODUCT INTEGRITY - This LCD Digital Meter Control Valve has a 5-digit easy to read screen, w/ low battery indicator to avoid sudden shut-off and the ability to measure/dispense in various calibrations of Liters, Gallons, Pints and Quarts; Made of high quality aircraft aluminum to ensure the strength and durability, while designed to be oil and waterproof; We engineered a compact design w/ zero back pressure capability, delivering consistent measurements and smooth dispensing during operation

UNCOMPROMISING SAFETY is provided through FM certifications, giving you peace of mind and the ultimate protection against accidental explosions.

RUGGED DURABILITY provided by a corrosion resistant aluminum housing, backed with a two-year manufacturer’s warranty.

EXCEPTIONAL VERSATILITY allows a hose end or inline installation for your unique application. Additionally, the 300 psi pressure rating and temperature range of 14° to 130°F (-10°C to +54°C) makes this meter suitable for use with free flow gravity systems or combined with an electric transfer pump.

UNCOMPROMISING SAFETY is provided through FM certifications, giving you peace of mind and the ultimate protection against accidental explosions.

RUGGED DURABILITY provided by a corrosion resistant aluminum housing, backed with a two-year manufacturer’s warranty.

EXCEPTIONAL VERSATILITY allows a hose end or inline installation for your unique application. Additionally, the 300 psi pressure rating and temperature range of 14° to 130°F (-10°C to +54°C) makes this meter suitable for use with free flow gravity systems or combined with an electric transfer pump.

【Precise Measurement】Measuring accuracy ±1%, measuring range: 60-500L/min(15.84-132.06GPM), parameter adjustable, Single count can be cleared to zero. If your liquid speed is less than the mini speed 15.8GPM, the machine will not be able to measure normally.

【Not for drinking water】The turbine flow meter can be widely used to measure diesel gasoline, kerosene, methanol and so on. But it's not suitable for measuring drinking water since it was tested with white oil when it left the factory. If you use for drinking water, please refer to B08F349QJQ.

【 Simple operation 】The display panel is simple and clear, the data is intuitive and eye-catching, and the key control is convenient. Can measure instantaneous speed, liters and gallons can be converted. Small size, easy installation.

USER-FRIENDLY compact design integrating a self-contained, battery-operated 4 digit display to be mounted on hose end for easy meter reading.

SIMPLE INSTALLATION: This meter is factory calibrated for use with water. Wetted materials: nylon housing, nylon rotor, ceramic bearings, tungsten carbide shaft, 316 stainless steel rings and ferrite signal generators.

SMART auto-off display turns off after 1 minute of inactivity to extend battery life. Featuring one cumulative and one resettable batch total, this meter is ideal for use as part of an irrigation or water management system.

Inlet & Outlet:BSPT/NPT (Female);Existing size:3/4";1" ;1.5";Flow Range: 3/4" & 1":10-100L/Min,1.5":40-280L/Min

Accuracy: +-1%, ;Repeatablity:+-0.3%;Pressure rating:300PSI/21bar;Working Tempreture:-25C ---- +121C

Body material: Aluminum;Specifications: 1":105*32*66mm L*W*D ,1.5":135*68*45mm L*W*D

【Multiple units settings】The flow meter can be switched among gallons, liters, pints and quarts to meet your different needs.It is an NPT thread and not a garden hose thread. Each of the Flow meter are tested with diesel oil to ensure the quality before they leave the factory, So there is a small amout of diesel on the flowmeter,Please do not worried,They are not used.

【Specifications of flowmeters】 Digital Flowmeter with NPT Thread and battery,Flow range: 15-120L / Min, Maximum working pressure: 20BAR, Accuracy: ±1% Repetition: ±0.3%, Working temperature: -10°C ~ +60°C, Repetition: ±0.5%

【Premium Material】The fuel flow meter is made of corrosion-resistant aluminum housing and stainless steel turbine,strong and sturdy ,and High-definition LCD displays,Intuitive clear reading.

1" Brass Water Meter with Pulse Output

Viton Seals (FKM)

Sealed Dry Dial for Clear Readings

Clear Acrylic Body

304 Stainless Steel Float and Travel Rod

Viton Seals

★【Large LCD Screen & Monitor Flow Rate】: Support reading with Liter or Gallon unit, LPM/GPM switchable. DFC15 will display the flow rate(the REAL-TIME volume of liquid which passes per minute), the flow total volume and sensed temperature clearly.

★【Quantitative Control & Alarm Function】: The controller will turn off the solenoid valve automatically when flow reach to the setting value you desire, it's easy to install and control. It can automatically stop water filling into your concrete mixer. When the total amount reaches the setting value, the controller will alarm.

★【Work with All Hall Effect Flow Sensor】: It can work with various different flow sensors through adjust the K value. High quality, come with temperature sensor, it can measure liquid temperature.

Reliable After-sale Support: for any problem with your flow meter, please contact our after-sale support team for proper solution. note that your purchase is not the end of the trade, but the begining, please trust us to make your money valued.

NOT WATER PROOF: the LCD is easily damaged by water things, LCD is the most part for the flow meter, please try to keep the LCD dry, and if there is any damage of the flow meter, please contact us for LCD replacement.

EASY TO SETUP: this flow meter is featured by its light weight and compact size, easy to install and set up. No complex operation required, can read the read instantaneous flow rate, single cumulative flow and total cumulative flows. Please don't worry for the battery consumption if the flow meter keeps light on, it's our design.

Connect to G3/4 inch BSPT male thread, hall effect

Flow range:1-50L/min, Water Pressure: ≤1.75Mpa

Maximum load current: 2A, Maximum switching voltage: 220VDC, Starting water pressure: ≤0.1 Mpa

Inlet & Outlet:BSPT/NPT (Female);Existing size:3/4";1" ;1.5";Flow Range: 3/4" & 1":10-100L/Min, 1.5":40-280L/Min

Accuracy: +-1%;Repeatablity:+-0.3%;Pressure rating:300PSI/21bar;Working Tempreture:-25C ---- +121C

Body material: Aluminum;Specifications: 1":105*66*32mm L*W*D ,1.5":135*68*45mm L*W*D

304 Stainless Steel

Viton Seals

Sealed Dry Dial for Clear Readings

The Ultrasonic Flow Meter is 99% accurate and can measure the flow rate in any Plastic or Metallic Pipes. The High Temperature Transducers can work with temperatures from -40°F to 320°F (-40°C to 160°C).

Perfect for liquids like: water, sea water, kerosene, gasoline, fuel oil, crude oil, propane, butane and others.

Perfect to measure the flow rate in pipe materials like carbon steel, stainless steel, cast iron, ductile iron, copper, PVC, aluminium, asbestos, fiber glass and others.

【Rugged Durability】Made of made of high-quality aluminum, sturdy and durable.PCB Circuit Board-stable circuit, long life and high efficiency, stainless Steel Worm Gear-Durable and long-lasting.

【Digital LCD Dislpay】The high-definition displays show both instantaneous and cumulative flow with NPT Counter to make sure Intuitive clear reading, high reliability, measuring accuracy is ±1%.

【Design】Makes the turbine flow meter suitable for use with output modules, sensors and remote transmitters.

【WIDE APPLICATION】The digital turbine fuel flow meter can be suitable for a Pump Flow Meter and can be widely used to measure water, diesel, kerosene, gasoline, etc.

【Accuracy Measuring】Zero function, instantaneous flow, and cumulative flow readings on the display with the accuracy of ±1%, Repetition: ±0.3%, Intuitive clear reading, and high-reliability upgrade digital fuel flow meter

【Digital LCD Display】1.64 * 1.05 inch LCD Screen, High-definition displays show both instantaneous and cumulative flow with NPT Counter

Multi-function LCD display: The flow meter features a high-resolution LCD display that shows instant flow, cumulative flow, and zero adjustment readings, ensuring clear and intuitive readings, high reliability, and accurate measurement.

Wide range of uses: The flow meter can be used to measure a variety of fluids, including diesel, gasoline, kerosene, methanol, light chemicals, solvents, and hydrocarbon-based fluids.

Durable and corrosion-resistant material: The flow meter is made of corrosion-resistant aluminum casing and stainless steel turbine, making it sturdy and durable with a long service life.

【Features】The control panel of this flow meter adopts modular designed, which has complete functions, simple structure and convenient operation. It is a very practical liquid flowmeter, can bring you a good experience

【Application】The applicable media of this flow meter includes vegetable oil, urea, kerosene, chemicals, gasoline. It can measure the flow rate of these liquids, and it has a display, so you can see the data directly and clearly

【Wide Use】The digital 1 inch flow meter is widely used in petroleum, chemical, pharmaceutical, transportation, food and other industries. It plays a very important role in these industries and can be applied to many aspects of our life

Intelligent data display: 1 inch flowmeter can display instantaneous flow and cumulative flow with intelligent counter, the reading display is accurate and intuitive clear.

More unit selection: flow meter default is gallon unit, optional measurement units: L, Gal, PTS, QTS, standby up to one year.

High precision measurement: with high precision counter, measurement accuracy ±1%, high reliability, good repeatability, maximum working pressure: 6RAR, cumulative technical range: 999999.

This listing is for DN25-700mm pipe size, the water temperature is from -40-90 degree

It comes with TS-2 TM-1 type Transducer ; 5m*2 signal cable;metal clamp fixture; one aluminium case; tape ruler;adaptor; data line

The couping agent can not be sent to you because of air shipping regulation. Because it is like crystal liquid. You must use silica gel to replace. You must use it when you measure the flow rate. If you do not use the silica gel, it will have no signal

【High Accuracy Turbine Flow Meter】Our flow meter adopts an industrial-grade turbine to achieve excellent performance and high accuracy. The measuring accuracy is ±0.5%, and the repeated accuracy is ±0.3%. With a high-quality PCB circuit board inside, it’s also safe and reliable to use.

【Digital Screen for Clear Reading】Powered by 2 AAA batteries (not included), the electronic fuel meter features a digital screen for displaying intuitive data. Unscrew the cover to install batteries, and please remove the batteries when not in use, for the flow meter can’t be turned off and will keep working.

【Easy to Operate】Two buttons are provided for easy operation and practical functions. Just install the flow meter according to its flow direction sign, and then you can check the single-time flow, cumulative flow, flow rate, and unit. You can also clear the data if needed.

Pack of 2: you will receive 2 pcs 1-inch digital turbine flow meters, which can provide accurate flow measurement for fuel flow, water flow, etc. The flow range measured by our aluminum digital flow meter is between 2.5-26GPM /10-100LPM, suitable for most applications

Quality Material: this kerosene flowmeter is made of quality aluminum alloy material, and the turbine is made of stainless steel, which can prevent corrosion when measuring liquid flow and is reliable

Accuracy of ±1%: the flow propeller of the water meter for garden hose is very sensitive, the accuracy of measuring liquid flow is ±1%, you can clearly know the size of the flow; Tips: please let the water flow through the digital flow meter fully to make it more accurate