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Split-inline-type ultrasonic flow meter / LRF-2000SG

Split-inline-type ultrasonic flow meter
  • Pipe type ultrasonic flowmeter consists of the main unit and pipe transducer.
    Pipe type ultrasonic flow meter has the advantages including low starting flow rate,high measurement accruacy,etc.

Product Selection Manual


2.Main Feature


 Performance and Parameter



 transit-time ultrasonic flowmeter


 Flow: over 1%-2%(battery-powered supply over ±2% ),Heat: over ±2%,Repeatability: over 0.2%


 2×20 character LCD with backlight, support the language of Chinese, English and Italy Convertor dimension:170*180*56cm


 Support 16 key light touch keyboard and the Simulation keyboard software

 Signal Output

 1 way 4~ 20mA output, electric resistance 0~ 1K,accuracy0. 1%

 1 way OCT pulse output( Pulse width 6 ~ 1 0 0 0 ms,default is 2 0 0 ms)

 1 way Relay output

 Signal Input

 3 way 4~ 20mA input, accuracy 0. 1%,acquisition signal such as temperature, press and liquid level

 Connect the temperature transducer Pt100, can finish the heat/energy measurement

 Data interface

 Insulate RS485 serial interface, upgrade the flow meter software by computer, support the MODBUS, METER-BUS etc.

 Other Function

 Automatically remember the previous flow/energy data of 512 days,  128 months and 10 years

 Automatically remember the previous flow/energy data of 512 days working condition and check it

 Automatically remember the previous 32 times power on/off time and flow rate

 Special Cable

 Twisted-pair cable, generally, the length under 50 meters; Select the RS485 communication. The transmission distance can over 1000m.

 Pipe Condition

 Pipe Material

 Steel, Stainless steel, Cast iron, Copper, Cement pipe, PVC, Aluminum, Glass steel product, liner is allowed.

 Pipe Diameter


 Straight length pipe

 Transducer installation should be satisfied: upstream10D, downstream 5D, 30D from the pump.

 Measuring Medium

 Type of Liquid

 Water (hot water, chilled water, city water, sea water, waste water, etc.);  Sewage with small particle content; Oil (crude oil, lubricating oil, diesel oil, fuel oil, etc.);  Chemicals (alcohol, acids, etc.); Plant effluent; Beverage, liquid food; Ultra-pure liquids; Solvents and other liquids


 Standard Transducer: -30--90℃; High-temperature transducer: -40--160℃


 No more than 10000ppm and less bubble

 Flow rate

 0--±12 m/s

 Working Environment


 Main Unit: -20--60℃

 Flow transducer: -40--160℃;
Temperature transducer: according to the customer’s demands.


Main Unit: 85% RH; Flow Transducer: Ip67

Power Supply

DC  24V or AC  85-264V

Power Consumption


3.Optional Main unit
    According to different installation condition,there are three models separated ultrasonic flowmeter for selection:




 clamp-on ultrasonic flow meter

 clamp-on ultrasonic flowmeter


Wall mounted LRF-2000SW
Indoor or instrument box installation
Power supply:DC8~36V or AC85~264V

Panel mounted LRF-2000SS
Instrument Cabinet installation
Hole-opening dimension:156*76mm
Power supply:DC8~36V or AC85~264V

Explosin-proof LRF-2000SD
Explosin-proof  installation
Dimension :298*298*110mm
Power supply:DC 8~36V or

4. Optional transducer

5. Data Storage (optional) 

6.Measuring Composition Diagram



clamp-on flow meter        

                         Neutral products                                                                                                                                  
Without our company logo or other information ,
Free OEM Services,
Suitable for distributors or resellers for resale.


                    English system                                              Italian system

Notice when ordering:

1. Please let us know your power plug standard or send us the plug picture you required for reference .We can offer power plugs of various standards .

2. For delivery ,we will use door-to-door air express like DHL ,Fedex,UPS,TNT .You may get the products about 5-8 days after payment .

No matter in past , present or future
We only focus on production of ultrasonic flowmeters
Single minded commitment makes us professional

Solemn promise
Every effort is made to ensure the product is shipped in perfect condition.
All products can be exchanged or returned for any quality problem
100% money back guarantee for any of sold product if it is in original condition
Lifetime free technical and maintenance support

Continuous effort is made to be a most trustable manufacturer!