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Modular Type Ultrasonic Flow Meter
MODEL: UBM250M
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info@cbroindia.com sales@cbroindia.com
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+917021306718
Technical Support
+918591988100
Advantages
Modular Type Ultrasonic Flow Meter Advantages and Disadvantages
1. Modular type ultrasonic flow meter is different with other type ultrasonic flow meters. It have much smaller size and could be installed into instrument box easily via DIN rail. It will save installation space.
2. It have multiple functions, such as LCD display, 4-20mA, pulse and RS485 output. No pressure loss, measurement is not affected by temperature and pressure changes. And the accuracy for it could reach ±1%.
3. Reliable empty full tube detection technology, Excellent low flow rate measurement performance, turndown ratio 100:1.
4. As a professional manufacturer, we could produce it with solar panel power system also. It’s very convenient for working site where don’ t have external power supply.
Application
It can be used for production inspection, flow verification, temporary inspection, flow inspection, water meter horizontal debugging and energy saving monitoring.
It is a tool and meter for timely detection of flow.
Water Treatment
Food Industry
Pharmaceutical Industry
Metallurgical Industry
Public Drainage
Chemical Monitoring
Technical Data
Table 1: Wall Mount Type Ultrasonic Flow Meter Technology Parameter
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Technical Specifications
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Make
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CBRO
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Model
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UBM250M
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Accuracy
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±1% of reading at rates >0.2 mps
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Repeatability
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0.2%
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Principle
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Transmit time
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Velocity
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±32m/s
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Pipe Size
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DN15mm-DN6000mm
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Display
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LCD with backlight, display accumulated flow/heat, instantaneous flow/heat, velocity, time etc.
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Signal Output
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1 way 4-20mA output
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1 way OCT pulse output
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1 way relay output
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Signal Input
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3 way 4-20mA input achieve to heat measurement by connecting PT100 platinum resistor
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Other Functions
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Automatically record the positive,negative,net totalizer flow rate and heat. Automatically record the time of power-on/off and flow rate of the last 30 times.Replenish by hand or read the datas through Modbus communication protocol.
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Pipe Material
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Carbon Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed
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Straight Pipe Section
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Upstram: 10D; Downsteam:5D; From the pump:30D (D means outer diameter)
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Liquid Types
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Water, sea water, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid
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Liquid Temperature
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Standard: -30℃ ~ 90℃ ,High-temperature:-30℃ ~ 160℃
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Liquid Turbidity
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Less than 10000ppm, with a little bubble
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Flow Direction
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Bi-directional measuring, net flow/heat measuring
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Environment Temperature
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Main Unit: -30℃ ~ 80℃
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Transducer: -40℃ ~ 110℃, Temperature transducer: select on enquiry
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Environment Humidity
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Main Unit: 85% RH
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Transducer: standard is IP65, IP68(optional)
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Cable
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Twisted Pair Line, standard length of 5m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement. RS-485 interface, transmission distance up to 1000m
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Power Supply
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AC220V and DC24V
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Power Consumption
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Less than 1.5W
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Communication
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MODBUS RTU RS485
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Table 2: Wall Mount Type Ultrasonic Flow Meter Transducer Selection
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Type
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Picture
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Specification
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Measuring range
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Temperature range
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|---|---|---|---|---|
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Clamp on type
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Small-size
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DN15mm~DN100mm
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-30℃~90℃
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Middle- size
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DN50mm~DN700mm
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-30℃~90℃
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Large -size
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DN300mm~DN6000mm
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-30℃~90℃
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High temperature
clamp on type
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Small-size
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DN15mm~DN100mm
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-30℃~160℃
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Middle- size
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DN50mm~DN700mm
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-30℃~160℃
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Large -size
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DN300mm~DN6000mm
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-30℃~160℃
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Insert type
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standard length
type
Wall thickness
≤20mm
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DN50mm~DN6000mm
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-30℃~160℃
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Extra-length
type
Wall thickness
≤70mm
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DN50mm~DN6000mm
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-30℃~160℃
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Parallel type
used for narrow
installation
space
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DN80mm~DN6000mm
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-30℃~160℃
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Inline type
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π type inline
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DN15mm~DN32mm
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-30℃~160℃
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Flange type
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DN40mm~DN1000mm
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-30℃~160℃
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Table 3: Wall Mount Type Ultrasonic Flow Meter Temperature Sensor Model
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PT100
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Picture
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Accuracy
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Cut off water
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Measuring range
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Temperature
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|---|---|---|---|---|---|
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clamp on
|
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±1%
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No
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DN50mm~DN6000mm
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-40℃~160℃
|
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Insertion sensor
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±1%
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Yes
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DN50mm~DN6000mm
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-40℃~160℃
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Insertion type installation with pressure
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±1%
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No
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DN50mm~DN6000mm
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-40℃~160℃
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Insertion type for small pipe diameter
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±1%
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Yes
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DN15mm~DN50mm
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-40℃~160℃
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Installation
“V” method installation:
The “V” method installation is a relatively standard installation method, which is easy to use and accurate in measurement. When installing the two sensors, the center line of the two sensors can be aligned horizontally with the axis of the pipeline. It’s used on DN15mm and DN400mm.
“Z” method installation:
“Z” method of installation is the most commonly used method also. It is characterized by direct transmission of ultrasonic waves in the pipeline, no reflection (called single sound path), low signal attenuation loss. It’s used on DN100mm to DN6000mm.
Modular Type Ultrasonic Flow Meter Maintenance
1. Always observe whether the sensor power cable and transmission cable (or wire) of the instrument are damaged or aging. You need to protect the rubber sheath outside the cable.
2. For the clamp on type transducer ultrasonic flow meter, it is necessary to check whether the transducer is loose or not; whether the adhesive between it and the pipe is normal.
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