DALIAN DUAL CHANNEL SERIES - BATTERY POWERED ULTRASONIC FLOW METER

Technology Features

- 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 ASCa 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

SPECIFICATIONS

Project	Parameter
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 (and other liquids to be customized), and filled conduit
Medium temp measurement	0.1-30 ℃
Work Environment	Temperature: -10 ~ 45 ℃; humidity ≤ 100% (RH)
Pressure Rating	1.6MPa/2.5MPa optional
Upstream flow field sensitivity level	U3
Downstream flow field sensitivity level	D0
Climatic and mechanical environmental safety class	C grade
Electromagnetic Compatibility Level	E2 level
Communication Interface	RS485/USART / IR / USART serial communication bus, etc. Optional
The output signal	Two-wire 4-20mA analog outputs (OCT or two isolated TTL optional programmable pulse width)
Communication protocol	Haifeng fully compatible protocol (individual command very differentiated) 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 accumulation, 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, 512 days ago
Flow measurement cycle	Measurement status: 1 times / sec (can also be set from 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

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