Best Inch Flowmeters in 2025

Easy to read flow indicator label and the precision adjustable valve give complete control over the low flow of nitrogen gas

Bright orange float ball visually confirms the flow of nitrogen gas

Purge the copper lines at 20+ SCFH and then reduce the flow to Braze at 3-5 SCFH during the brazing process

Horizontal Inline mount with dial facing upwards. For installing vertically with water flowing upwards, please refer to DAE V-100P or DAE VM-100P which can be installed in any position, vertically or horizontally, water flowing downwards or upwards, dial facing upwards, downwards or side-way. Not for use of pit application. For outdoor use, please refer to DAE MJ-100c, PD-100.

For upgraded AS250U-100P, Cloud Metering available (2nd picture) with DAE CC2030 Gateway. CC2030 will collect water usage from DAE AMR (for 16 meters) or AMR130AN (for 1 meter) and send them to cloud server through Ethernet. With PC, cell phone, the landlords can see real time data, monthly water usage & billing reports to their tenants. If there is abnormal usage (ex. Broken piping), an email alert will be sent to your cell phone.

For upgraded AS250U-100P, ready for use with CO-10 (Electronic Pulse Counter) or CO-10 KIT - An inexpensive remote reading solution (6th picture). Can also use with DAE AMR130 (Auto Meter Reading Module for single water meter) and AMR (for 16 water meters) for remote reading (5th picture).

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Horizontal Installation

All products are imported from the USA

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Fully Equipped With State-Of-The-Art Technology

★【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.

【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

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.

🌟🌊【Safe and Reliable】This flow sensor switch is made of brass, all materials are in line with ROHS testing standards. It's a safety device that shuts off the current to the device (heaters, pumps, etc.) when it senses no water flow.When connecting the load, please add a relay.

🌟💧【Thread type: 3/4" BSP Male Thread】 The flow sensor `s male thread external diameter: 25.85mm.It is fit in NPT Thread if you connect them with teflon

🌟🌊 【Easy to install 】Our flow sensor is waterproof, heat resistance, pressurresistance, cold resistance, small size, stable and reliable.

MODULAR DESIGN FITS FOR OUTPUT MODULES--Modular design makes it suitable for use with output modules, sensors and remote transmitters

LIGHT WEIGHT AND COMPACT SIZE OFFERS CONVENIENT OPERATION AND INSTALLATION--Light weight, compact structure, easy to install

ALLOWS CLEAR READING AND HIGH ACCURACY MEASURING--Intuitive clear reading, high reliability, measuring accuracy is ±1%

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

INSTRUCTIONS -- This gas meter is connected to hose to measure unidirectional gas flow

MADE OF HIGH QUALITY ACRYLIC -- Made of high quality acrylic, it is transparent and can hold up to 0.6MPa pressure

IT IS SIMPLE TO USE -- It is simple to use, and has 8mm barbs for convenient connection to hoses

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.

Brief introduction - The digital turbine flowmeter has a modular design, high precision, small size and stable performance. The modular design makes it suitable for use with output modules, sensors and remote transmitters. Easy to replace and maintain internal components.

Feature - Compact structure, convenient installation, intuitive and clear readings, high reliability, measurement accuracy of ±1%, high-definition display shows instantaneous and cumulative flow. Can be widely used to measure diesel, kerosene, gasoline, petroleum, medicine, transportation and commerce.

When it appears - normal flow rate but the meter does not count, when the DISPLAY button is pressed, the meter is turned on. In this case, the possible cause is: 1. the impeller is stuck or damaged; 2. the sealant material is wrapped around the impeller; Solution: Remove the meter and ensure that the impeller rotates freely.

Horizontal Inline mount with dial facing upwards. For installing vertically with water flowing upwards, please refer to DAE PD-75 (B08D36WZLM), which can be able to be installed in any position, vertically or horizontally, dial facing upwards or downwards or horizontally, water flowing downwards or upwards. Not for use of pit application. For outdoor use, please refer to DAE MJ-75c, PD-75.

Certified by NSF to meet ANSI/NSF 61 for material safety and ANSI/NSF 372 for lead free plumbing as defined by the US Safe Drinking Water Act. Factory Calibration Certificates available. DAE Controls LLC is a Minority Business. Please feel free to get the NMSDC Minority Supplier Certificate from DAE Controls Website.

Cloud Metering available (2nd picture) with DAE CC2030 Gateway. CC2030 will collect water usage from DAE AMR (for 16 meters) or AMR130AN (for 1 meter) and send them to cloud server through Ethernet. With PC, cell phone, the landlords can see real time data, monthly water usage & billing reports to their tenants. If there is abnormal usage (ex. Broken piping), an email alert will be sent to your cell phone. No IT guy required. Just connect wires as per a simple picture (see video) & ready to go.

Easy to install, 1/4 Quick connect

Flow range:0.3-10L/min

Frequency: F=36 * Q (L / Min) error:± 2%

【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.

【Wide Application】The digital turbine fuel flow meter can be used to measure diesel, gasoline, kerosene, methanol and so on. Suitable for the flow rate of 40-280LPM(10.5-74GPM).

【Multifunctional】These are zero function, instantaneous flow, and cumulative flow readings on the display with the arccuracy of ±1%.

【Convenient Use】The turbine flow meter can switch between liters, gallons, pints and quarts to meet your different needs.

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

UNIT IN GALLONS: This flow meter can be switched among gallons, liters, pints and quarts. 1" NPT thread, Max working pressure: 6bar, Flow Range: 2-26.4 GPM, Temp Range: 32-158°F.

±1% ACCURACY: Applying PCB circuit board, circuit is stable, high precision, long service life and high efficiency.

LCD DISPLAY: High-definition display shows zero function, instantaneous flow, and cumulative flow. Easy to read, operate and adjust. (Battery not included)

Rolachem Corporation Flowmeter - 570351-T

Range 40 to 140 GPM

Fits 2" Pipe

【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.

Product Name: Panel Type Flow Meter; Model: BNYZWOT M-15; Applicable Medium: Water

Measure Range: 0.5-5GPM,2-18LPM; Male Thread Diameter: 20mm/1/2BSP; Thread Pitch: 14G

2-Port Center Distance: 128mm/5'; Internal Hole Diameter: 12mm/0.47'; Overall Size: 168 x 61 x 32mm/6.6' x 2.4' x 1.26'

Neptune T-10 5/8" x 3/4" Model That Fits on 3/4" Pipe Size

Bronze Couplings Included with Standard 3/4" NPT Threads on Spool

Totalizer Measuring in Cubic Feet - Direct Read

2" scale flowmeter with 1/8" female NPT connections for inline monitoring and measuring air flow

Accuracy of + or – 5% of full scale

Precision machined from solid acrylic plastic to resist breakage and provide a clear view of the scale

【Gas Meter】This gas meter is connected to hose to measure unidirectional gas flow

【Transparent】Made of high quality acrylic, it is transparent and can hold up to 0.6MPa pressure

【Convenient】It is simple to use, and has 8mm barbs for convenient connection to hoses

Working voltage range: DC 5-18 v

Load capacity: <10 mA (DC 5V)

Allowing pressure: pressure 1.75Mpa

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.