Battery Powered Flow Meter

Battery Powered Flow Meter

Product Over view

·        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

·        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

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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 DN Dimensions Flange size Weight kg Pressure Rating MPa L H1 H2 W1 W2 Diameter D Bolt hole circle diameter D1 Bolt aperture × number Φ × n Sealing surface Flange thickness c D2 f DN50 200 70 131 76 76 165 125 18 × 4 102 2 19 10.0 1.6 DN65 200 75 135 79 79 185 145 18 × 4 122 2 20 11.5 1.6 DN80 225 94 132 94 94 200 160 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 300 134 153 114 114 285 240 22 × 8 212 2 24 30.0 1.6 DN200 350 165 170 165 165 340 295 22 × 12 268 2 26 35.5 1.6 DN250 450 197 202 197 197 405 355 26 × 12 320 2 29 58.0 1.6 DN300 500 223 228 223 223 460 410 26 × 12 370 2 32 76.0 1.6