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Melan Measurement & Control Instruments (Shanghai) Co.,Ltd.
MELAN MEASUREMENT & CONTROL INSTRUMENTS (SHANGHAI) CO., LTD.
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DN80 RS485 OCT Ultrasonic Flow Meter For Central Air Conditioning

Melan Measurement & Control Instruments (Shanghai) Co.,Ltd.

DN80 RS485 OCT Ultrasonic Flow Meter For Central Air Conditioning

Model Number : ML-E8

Place of Origin : China

MOQ : 1

Price : Negotation

Payment Terms : T/T

Supply Ability : 10000 units per month

Delivery Time : 7-10 working days

Packaging Details : In carton

Velocity range : 0.1m/s~5m/s

Accuracy : ±2%

Output : 4-20mA, OCT, RS485

Data Logger : Daily, Monthly, Yearly Totalizer

Pipe Size : DN10-DN80

Repeatability : 0.8%

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Model F8 Ultrasonic Flow Meter with 4-20mA / RS485 / OCT


I INTRODUCTION
The energy meter ML-E8 is specially designed for central air conditioning systems to do cooling and heating measurement.It could measure and charge for cooling and heating.
The energy consumed by the user is calculated by measuring the temperature and flow rate of the chilled water (or hot water) flowing through the pipe.Install an energy meter ML-E8 on the user's inlet pipe and install a temperature sensor on each of the inlet and outlet pipes. The energy is calculated by metering the amount of chilled water (or hot water) flowing through the pipe (ie, the flow rate and pipe size), and the temperature difference between the incoming and return water.

II. SPECIFICATION

Model ML-E8
Velocity Range 0.1 m/s ~ 5.0 m/s
Accuracy ± 2.0%
Repeatability 0.80%
Pipe Size DN15,DN20,DN25,DN32,DN40,DN50,DN65,DN80
Data Storage Daily, Monthly, Yearly Totalizer
Analog output 4~20mA, Maximum load: 600Ω
Alarm output OCT, Upper and lower limit alarm function (for option)
Communication RS485, (MODBUS or MeterBUS for option)
Power Supply 24VDC
Cable Length 1.8m
Keypad Four light touch buttons
Screen OLED 128*64 screen display
Units Metric and imperial units are available
Cubic Meters(m3), Liters(L),USA Gallons(GAL)/hour, USA Gallons(GAL)/min
Default unit setting: m3/h
Totalizer Six bit digit
Piper Material Stainless steel pipe, carbon steel pipe, PVC
Case Material Aluminum alloy
Environment Temp. 0℃-50℃
RTD Measuring Temp. 2℃-105℃
Medium Temp. 0℃-50℃
Environment Humidity 0-95% relative humidity, without condensation
IP Grade IP54


III. Working Principle

Ultrasonic flow meters use sound waves at a frequency beyond the range of hearing (typically 0.5, 1, or 4 MHz). This ultrasound signal is sent into a stream of flowing liquid by using wetted (insertion) transducers that make direct contact with the liquid or external (clamp-on) transducers that send the ultrasound through the pipe wall. Clamp-on ultrasonic flow meters allow users to measure the volumetric flow rate of a fluid in a pipe without having to penetrate the pipe which decreases installation and maintenance costs.

A typical transit-time ultrasonic liquid flow meter utilizes two ultrasonic transducers that function as both ultrasonic transmitter and receiver. The ultrasonic flow meter operates by alternately transmitting and receiving a burst of ultrasound between the two transducers by measuring the transit time that it takes for sound to travel between the two transducers in both directions. The difference in the transit time (∆ time) measured is directly proportional to the velocity of the liquid in the pipe.
III. DIMENSION

Size A B C D(mm)
(mm) (mm) (mm) Min Max
DN15 25 8 58 1.5/φ20 8/φ23
DN20 25 15 58 1.5/φ25 4.5/φ28
DN25 28.5 18.5 58 1.5/φ32 4.5/φ35
DN32 29.5 24 68 1.5/φ38 8.5/φ45
DN40 36 27 78 1.5/φ48 7.5/φ54
DN50 41 32 91 1.5/φ58 7.5/φ64
DN65 44.5 35.5 102 1.5/φ65 11.5/φ75
DN80 1.5/φ76 11.5/φ86

DN80 RS485 OCT Ultrasonic Flow Meter For Central Air Conditioning


Product Tags:

RS485 OCT Ultrasonic Flow Meter

      

DN80 Ultrasonic Flow Meter

      

Central Air Conditioning Ultrasonic Flowmeter

      
China DN80 RS485 OCT Ultrasonic Flow Meter For Central Air Conditioning wholesale

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