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Ultrasonic Open Channel Flowmeter


FUL31 ultrasonic level gauge adopts American imported chip and dual-frequency, dual-loop microcomputer processing technology to make the signal more stable, with better measurement accuracy and high stability.
  • FUL31-M type

  • FvLuoky

  • FvLuoky SOUND FUL31-S

  Product image

FLOWX company main produce: Ultrasonic open channel flowmeter

                                                                                               (Please contact us Get Free Quote Now. )

Ultrasonic Level Gauge FUL31 Series.pdf


Ultrasonic open channel flowmeter - Product Image-1

  Main feature

Display: Three rows of LCD intelligent display liquid level, height

Accuracy: ±10mm

Repeatability: ±0.1%

Built-in temperature compensation

Food grade enclosure, dustproof, corrosion resistant

Echo curve graph for easier measurement

50KHZ resonator frequency, intelligent resolution of true and false signals

  Product parameters

Model FUL31-H-S11Y-110-MA-5M(L bracket) High frequency ultrasonic level meter
probe 1 ABS plastic
 protection grade IP65

power supply

24V DC, 4-20ma signal output
electrical interface M20*1.5
 precision ±10mm

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Ultrasonic open channel flowmeter - 

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 Product application field

Flowmeter - Product Application - Chemical Industry

Chemical Industry

Flowmeter - Product Application - printing and dyeing

printing and dyeing

Flowmeter - Product Application - Pharmaceutical


Flowmeter - Product Application - Water Application

Water Application

Flowmeter - Product Application - Metallurgical application

Metallurgical application

Flowmeter - Product Application - Food Application

Food Application

Flowmeter - Product Application - Petroleum application

Petroleum application

Flowmeter - Product Application - Electric Power

Electric Power

Flowmeter - Product Application - Environmental Engineering

Environmental Engineering


Flowmeter - Certificate - British head office product operation

British head office product operation

Flowmeter - Certificate-British head office product operation authorization certificate

British head office product operation authorization certificate

Freyci Intelligent Instrument Co.,  has signed a cooperation agreement with British FvLuoky Instruments Co., Ltd. to obtain the authorization to use the FvLuoky trademark and products, as the exclusive partner of FvLuoky brand in China, aiming to create the world's strongest industrial automation product line.

  Company Profile

Freyci Intelligent Instrument Co., Ltd. is a joint venture company controlled by Hong Kong's FLOWX Group, which is committed to providing customers with integrated solutions for automated instrumentation and industrial automation. The company's products and services include municipal sewage, urban water supply and drainage, environmental engineering and monitoring, water conservancy engineering, metallurgy and smelting, chemicals, electricity, pharmaceuticals, food and beverage, petroleum, paper, printing and dyeing, electronics, desalination and other industries.

The factory is located in Shanghai and covers an area of 25,000 square meters. It is the production base of China's largest Fuyi Intelligent Instrument Co., Ltd., with sales and service centers in Shanghai, Beijing, Shandong, Guangdong, Henan, Shijiazhuang, Tianjin, and Chengdu.

Freyci Intelligent Instrument Co., Ltd. adheres to the concept of “trust, with a heart” to adhere to the core concept of technology, innovation and dedication. We will do our utmost to provide our customers with high quality products and services and help them achieve outstanding achievements.

Flowmeter - Company Profile  Flowmeter - Company Profile-1  Flowmeter - Company Profile-3

  Company Profile

How is the flow meter warranty?

could provide 12~18 months warranty for your flow meter .

Could you provide me the shortest lead time?

Our shortest lead time is 5~7 days after your payment.

How to pay for that ?

Of course we could accept T/T,Paypal,Trade Assurance Order. You will get full protection for your orders ,more details kindly click Trade Assurance .

Do you accept OEM?

Yes, we accept OEM.

How to deal with the after-sales?

We will have professional engineers to answer your questions during installation and use..