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Ultrasonic Water Meter

Feature

  • Ultrasonic water meter Stratified fluid piping design for two-channel measurement, measurement accuracy Range than the width, and less than 0.01m / s starting flow
  • Display large amount of information, with the screen display 9 digital display four cumulative flow and instantaneous flow figures
  • Design of energy-saving, power-saving features such as automatic meter will empty tube or long-term fluid standstill
  • Full IP68 protection class design, the components completely sealed to protect, even if the water can be long-term work
  • Design at the time, there were a total of records and data collection functions on the month, day
  • Ultrasonic flow meter With multiple communication interface mode; TTL level pulse output and USART interface for easy connection to other low power devices; standard RS485 interface; infrared communication interface; support CJ-188 communication protocol.
  • Supports standard MODBUS, M-BUS, HART communication protocol, compatible communications protocol Haifeng ASCⅡ code
  • Output signal and diverse: Available two isolated pulse signal output, (which pulse and pulse width equivalent programmable); may also 4-20mA two-wire output
  • With online software upgrades
  • With Dual PT1000 temperature measurement function, can achieve heat measurement
  • Built-quantitative control can be achieved manually or set the time automatically start controller, thus achieving automatic timing quantitative or quantitative irrigation water
  • Depending on customer needs to select a variety of units, including cubic US gallons, cubic feet and liters
  • Built-in lithium battery, the battery life of more than 6 years

Technical Parameter
Project
Parameters
Accuracy class
2 (measurement period: 1 second)
Turndown ratio
100, initiating a flow rate of less than 0.006m / s
Measurement Range
Water, sewage, water (other liquids to be customized), and full pipeline
Measuring medium temperature
0.1-30 ℃
Work environment
Temperature: -10 ~ 45 ℃; humidity ≤100% (RH)
Pressure Rating
1.6MPa / 2.5MPa optional
Upstream of the flow field sensitivity level
U3
Downstream flow field sensitivity level
D0
Climatic and mechanical environmental safety rating
Grade C
Electromagnetic Compatibility Level
E2 level
Communication Interface
RS485 / USART / IR / USART serial communication bus, etc. Optional
The output signal
4-20mA analog two-wire output (two-way isolation OCT or TTL optional, pulse width programmable)
Communication protocol
Haifeng fully compatible protocol (individual very distinct command) also supports the standard MODBUS, M-BUS, CJ-188 communication protocol
Heat measurement
Access Dual PT1000 achieve heat measurement
Power supply
Built-in lithium battery (3.6V) / External DC5 ~ 40V
Protection class
IP68
Local Display
Two-line display includes nine cumulative amount, four instantaneous flow, as well as prompt and unit status
Data Storage
Using EEPROM / FLASH to store data, cumulative flow automatically record 128 months ago, the first 512 days
Flow measurement cycle
Measuring status: 1 times / sec (also can be set to 2 to 4 times / sec); verification status: 4 times / sec
Power and Power
Built-in 3.6V lithium battery can be used continuously for more than six years, external DC8-36V
 

Flow Range

Nominal diameter
(Mm)
Turndown ratio
R
Flow rate (m3/ h)
Starting flow
Minimum flow Q1
Transitional flow Q2
Common flow Q3
Overload flow Q4
DN15
200
0.003
0.0125
0.020
2.500
3.125
DN20
200
0.0035
0.016
0.030
3.200
4.000
DN25
200
0.007
0.020
0.030
4.000
5.000
DN32
200
0.010
0.032
0.0504
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
 
Size and Weight  





Nominal
Dimensions
Threaded connection
Effective thread length
Weight
kg
Pressure Rating
MPa
L
H1
H2
W1
W2
A pipe thread
Port Thread B
DN15
110
168
17.5
58
90
G3/4B
G3/4B
10
2.2
2.5
DN20
130
173
24
58
90
G1B
G1B
12.5
2.3
2.5
DN25
160
175
25
58
90
G11/4B
G11/4B
13
2.5
2.5
DN32
180
177
31
58
90
G11/2G
G11/2G
14.5
2.8
2.5
DN40
200
181
31
58
90
G2B
G2B
188
3.3
2.5
 

wma flowliquid Updated at : 08.56