- Model NO.: LRF-2000W
- Main Application: Water, Wastewater, Diesel Fuel, Fuel Oil
- Sensor: Tube/Flange
- Type: Ultrasonic Flow Meter
- Measuring Principle: Transit-Time
- Certification: GB, CE, RoHS, ISO
- Accuracy: <1.0%
- Size: Dn15-Dn300mm
- Application: Environmental Protection
- Measuring Media: Liquid
- Measurement Object: Closed Pipeline
Ultrasonic portable water meter
Advantages:
1. Designed strictly according to GBT 778.1-2007,ISO-4064,JJG162-2009 standard.
2. Low starting flow rate(Q1), avoid missing the small flow rate.
3. No pressure loss, IP68 of protction leve, suitable for varieties of work environment.
4. High accuracy make the water fees accurate and reliable.
5. No rotate abrasion, long service time.
Feature:
Item
Specification
Standard
ISO4064-2005, GBT778-2007
Measurement Liquid
Water, sewage, seawater(other liquid need to customized)
liquid should be full of pipeline
Medium Temperature
0.1~30 ºC
Working Environment
Temperature: -10~45 ºC; 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
2 way OCT pulse output/TTL pulse output/One way 4~20mA 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
Characteristics:
Flow Range:
Nominal
Diameter
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
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