Sandwich Insertion Ultrasonic Water Meter
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Name：Sandwich Insertion Ultrasonic Water Meter
Model：LRF-2000W-K
General Introduction:
The highly integrated LRF-2000W-K sandwich type ultrasonic water meter is designed and manufactured strictly according to GB/T778.1-2007, ISO4064-1:2005 etc., based on ultrasound transit-time measurement technology.
ultrasonic water meter has wired type as standard configuration, wireless type need to be customized.
Features:
● compact, all plastic,IP68 protection grade
Flow Rate：
●100:1 range ratio with high accuracy
●pipeline integrated probe, not easy to produce scaling
●ultrasonic signal is adaptive to measure water containing impurities
●single chip SOC digital time-difference processing
●multi-line display with status, touch buttons operation
●optional built-in Lora or NB-iot function
●RS485 and MBUS dual interfaces
●multi-communication protocols like MODBUS,MBUS,and CJ188
●external power supply can be connected
●built-in battery of 10 years service life
●reliable and low price ,suitable for mass applications
Choose the installation point：
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Correct installation point
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Wrong installation point
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Lowest point of the pipe line, water will be full of pipe.
Flow is vertically or obliquely upward.Upstream straight pipe line≥5D. |
Highest point of the pipe line, water would be not full of pipe.
Flow is vertically or obliquely downward.Upstream straight pipe line≤3D. |
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Flow Rate：
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Nominal
Diameter
（mm） |
Flow Meter Dimensiom | Flange Dimension | Weight(Kg) | ||||||||
| L | H1 | H2 | W1 | W2 | Outside Diameter D | Diameter of Bolt Circle D1 |
Bore Diameter ×Quantity φ×n |
Ralsed Face | |||
| Outside Diameter D2 | Height f | ||||||||||
| DN50 | 50.8 | 52 | 91 | 58 | 58 | 102 | 125 | 16.5×2 | 102 | 2 | 0.7 |
| DN65 | 50.8 | 60.5 | 97 | 63.5 | 63.5 | 120 | 145 | 16.5×2 | 120 | 2 | 0.7 |
| DN80 | 50.8 | 70 | 132 | 68 | 68 | 135 | 160 | 16.5×2 | 135 | 2 | 0.9 |
| DN100 | 50.8 | 80 | 140 | 79 | 79 | 158 | 180 | 16.5×2 | 158 | 2 | 1.0 |
| DN125 | 50.8 | 95 | 145 | 94 | 94 | 188 | 210 | 16.5×2 | 188 | 2 | 1.2 |
| DN150 | 50.78 | 107 | 157 | 106 | 106 | 212 | 240 | 20.5×2 | 212 | 2 | 1.4 |
Transmitter:
Communication and Signal Output:
Window:
Front View of Wired Type Water Meter:
Rear View of Wireless Type Water Meter:
Pipe diameter(DN50 DN65 DN80 DN100):
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Perfomance |
Specification |
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Measurement Range Ratio
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100 : 1
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Working Pressure
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＜1.6 MPa
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Temperature
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T30 |
| Working Environment | -25°C~55°C，≤100%RH |
| Display Range | Multi-lines show 9-bit cumulative flow, 6-bit instantaneous flow, signal strength flow direction, error, communication status |
| Unit | m³, USG, Liter, cubic foot, Acre Feet |
| Operating Mode | Two capacitive touch keys support sliding operation. |
| Communication Interface | Physically independent RS485 and infrared interface. LORA/ NB-IOT, WIFI, USART are optional. |
| Output | 2 way of OCT output is optional, can simulate dipulse output of mechanical water meter. |
| Communication Protocol | MBUS， MODBUS， ASCII， CJ188 |
| Power Supply | 3.6V 4Ah lithium battery (battery life>10 years). It will operate power save functions when there is no water and flow in pipe |
| Other | Data saving time after power failure: 10 years |
| Protection | IP68 |