LONGRUN-LRF2000P Ultrasonic Flow Meter With Inner Printer

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LRF2000P Ultrasonic Flow Meter

LONGRUN LRF-2000P portable ultrasonic flow meter can be powered by a rechargeable battery or 220VAC.It has a built-in printer and a data logger. Installation is non-intrusive.

LR F -2000P Portable ultrasonic flow meter realizes the non-contact measurement. It is ideal for flow surveys and closed-pipe applications where non-invasive measurement of liquids is required.

Temperature and heat can also be measured by connecting a clamp-on temperature transducer. Widely be used in water supply, heat supply, chemical industry, machinery, and energy resources

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  • Accuracy Linearity: better than 0.5%, Repeatability: better than 0.2%,Accuracy: better than ±1%
  • The non-intrusive clamp-on transducer, no pressure drop, no pipe disturbance.
  • Wide measuring range Several types transducer for selection, measuring pipe size from DN 32mm to DN 6000mm
  • Large capacity battery Built-in rechargeable Ni-MH rechargeable battery provides over 20 hours of continuous operation
  • Built-in printer Available to print data in real-time, also available to timed print over 20 pre-set measuring results
  • Built-in data logger Uplink over 20 measuring data to computer or internet
  • Data storage Store over 20 pre-set measuring results to SD card, make it easy to data analysis and statistics
  • Rs485 communication interface Upload the parameters and measuring results to compute


Item Performance & Parameter
ConvertorPrincipleTransit time ultrasonic flowmeter
Display2×20 character LCD with backlight, support the language of Chinese, English and Italia
Signal Output1 way 4-20mA outp ut, electr ic resista nce 0~1K, accuracy 0.
1 way OCT pulse outp ut( Pulse width 6~1000ms, the default value is 200
1 way relay output
Signal Input3 way 4-20mA input, accuracy 0.1%, acquire signals such as te mperatu re, press and liquid le
Achieve to heat measurement by connecting the temperature transducer PT 100.
Data InterfaceInsulate RS485 serial interface, upgrade the flowmeter software by computer, support MODBUS
Data RecordThermal printer, external SD card(2G of capacity)
Pipe Instalation ConditionMaterialSteel, Stainless steel, Cast iron, Copper, Cement pipe, PVC, Aluminum, Glass steel product, liner is allowed.
Diameter32 – 6000mm
Straight PipeTransducer installation should be satisfied: upstream 10D, downstream 5D, 30D from the pump
Measuring MediumType of LiquidSingle liquid can transmit sound wave,such as Water(hot water, chilled water, city water, sea water, waste water, etc.);Sewage with small partical content; Oil(crude oil, lubricating oil, diesel oil, fuel oil, etc.) Chemicals(alcohol, etc.); Plant effluent; Beverage; Ultra-pure liquids, etc
TurbidityLess than 10000ppm and little bubble
Working EnvironmentTemperatureConvertor: -20~60°C; Transducer: -30~160°C
HumidityConvertor: 85% RH; Transducer protection level: 6
Power Supply8 built-in Ni-MH batteries 1.2V(for over 20 hours of operation). Could operate 8 hours by connecting 4-20mA signal output. 90V – 260V AC adapter
Power Consumption1.5W

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