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Dual Channel Ultrasonic Water Meter

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NameDual Channel Ultrasonic Water Meter
Model:LRW-2000



General Introduction:
Double beam ultrasonic sensors for high accuracy and reliable operation;IP68 protection, ensure long-term operation though water in the inside meter;Built-in Lithium battery for 6 years life expectancy.
 

Features:
• Initiating flow lower to millimeter grade 
• Multi line 9 digital LCD dispaly accumulative flow and 4 digital for instantaneous flow 
• High reliability design,no moving part 
• Two channel isolated pulse output,pulse equivalent and output pulse can be arbitrary customed 
• Two-wired system 4-20mA output optional 
• Built-in Lithium battery for 6 years life expectancy
• It can automatic power saving under empty pipe or the liquid static for a long time
• Resin vacuum sealed IP68 for long life and high expectancy 
• Chronological cumulative record 
• Standard RS485 interface 
• Infrared communication interface,support CJ-188 communication 
• Support MODBUS,M-BUS communication protocol 
• TTL levels pulse output and USART interface,convenient to connect the low power consumption equipment 
• With the two channel PT1000 temperature transducer, which can realize the heat measurement
 

Flow range:
Norminal Diameter
(mm)
Range than
R
Flow(m³/h)
Starting
Flowrate
Minimum
Flowrate
Q1
Transitional
Flowrate
Q2
Permanent
Flowrate
Q3
Overload
Flowrate
Q4
DN15 200 0.003 0.0125 0.020 2.500 3.125
DN20 200 0.0035 0.016 0.026 3.200 4.000
DN25 200 0.007 0.020 0.032 4.000 5.000
DN32 200 0.010 0.032 0.050 6.300 7.875
DN40 200 0.015 0.100 0.160 20.000 25.000
DN50 100 0.030 0.400 0.640 40.000 50.000
DN65 100 0.059 0.630 1.008 63.000 78.750
DN80 100 0.064 1.000 1.600 100.000 125.000
DN100 100 0.094 1.600 2.560 160.000 200.000
DN125 100 0.120 2.000 3.200 200.000 250.000
DN150 100 0.270 2.500 4.000 250.000 312.500
DN200 100 0.315 4.000 6.400 400.000 500.000
DN250 100 0.508 4.000 6.400 400.000 500.000
DN300 100 0.770 6.300 10.080 630.000 787.500

DN15-DN40
Norminal
Size
DN
Dimension Thread
Connection
A
Thread
Length
Weight
kg
Pressure
MPa
L H1 H2 W1 W2
DN15 110 98 14.5 47.5 58 G3/4B 10 0.87 1.6
DN20 130 101 17 47.5 58 G1B 12.5 0.94 1.6
DN25 160 103 21.5 47.5 58 G11/4B 13 1.24 1.6
DN32 180 107 23.5 47.5 58 G11/2B 14.5 1.36 1.6
DN40 200 109 30 47.5 58 G2B 16 1.89 1.6

DN50-DN300
Norminal
Size
DN
Dimension Flange Dimension Weight
kg
Pressure
MPa
L H1 H2 W1 W2 Flange
Diameter
D
Bolt Hole
center
D1
Bolt Hole
×Quantlty
Φ×n
Sealing
Surface
Flange
thickness
C
D2 f
DN50 200 70 131 76 95 165 125 18×4 102 2 19 10.0 1.6
DN65 200 75 135 79 95 185 145 18×4 122 2 20 11.5 1.6
DN80 225 94 132 94 95 200 160 18×8 138 2 20 13.6 1.6
DN100 250 104 140 104 104 220 180 18×8 158 2 22 18.6 1.6
DN125 275 117 148 117 117 250 210 18×8 188 2 22 23.5 1.6
DN150 300 134 155 114 114 285 240 22×8 212 2 24 30.0 1.6
DN200 350 165 254 165 165 340 295 22×12 268 2 26 35.5 1.6
DN250 450 197 269 197 197 405 355 26×12 320 2 29 58.0 1.6
DN300 500 223 287 223 223 460 410 26×12 370 2 32 76.0 1.6
 


Transmitter:
Dual channel ultrasonic water meter
Display and Operation:
Dual channel ultrasonic water  meter
Communication and Signal Output:
Dual channel ultrasonic  water meter

 

Ltem

Specification

Measurement Liquid

Water,Sewage,Seawater(Other liquid need to customized),liquid should be full of the pipeline

Medium Temperature

0.1-30℃

Working Environment

Temperature:-10~45℃;Humidity≤100%(RH)

Working Pressure

1.6MPa(2.5MPa optional)

The sensitivity of upstream

U3

The sensitivity of downstream

D0

Climatic and mechanical

C class

Electromagnetic compatibility class

E2 class

Communication Interface

RS485/USART/Infrared

Output Signal

Two way OCT pulse output/TTL pulse output/One way4-20mA output

Power Supply

Built-in Lithium battery(3.6,19AhV)/DC8-36V power supply

Protection Class

IP68,can work 2 meters under water

Digital Display

Multi line 9 digital accumulative flow,4 digital display for instantaneous flow,varies of state prompt and units

Data Storage

EEPROM/FLASH,automatically record the accumulative flow of last 512 days

Measurement Cycle

Measuring:1 times/second;Verification:4 times/second

Power Consumption

<2.7AH/Year,6 years battery life

 
●LRW-2000   Product Selection Manual(Click to view)