Battery powered Flow Meter 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 |