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Modular Type Ultrasonic Flow Meter
Modular Type Ultrasonic Flow Meter
Modular Type Ultrasonic Flow Meter
Modular Type Ultrasonic Flow Meter

Modular Type Ultrasonic Flow Meter

Accuracy: ±1% of reading at rates >0.2 mps
Repeatability: 0.2%
Principle: Transmit time
Velocity: ±32m/s
Pipe Size: DN15mm-DN6000mm
Technical Data
Modular type ultrasonic flow meter is one type ultrasonic flow meter with small size and competitive price. It's working based on transmit-time working theory. One ultrasonic sensor send ultra-sound wave and another one sensor could receive this wave. The transmit time from send to receive have relationship with the velocity of flow speed. Then, converter could calculate the flow speed based the transmit time. 
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. 
Modular type ultrasonic flow meter used in tap water, heating, water conservancy, metallurgy, chemical, machinery, energy and other industries.
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
Water Treatment
Pharmaceutical Industry
Pharmaceutical Industry
Chemical Monitoring
Chemical Monitoring
Metallurgical Industry
Metallurgical Industry
Coal Industry
Coal Industry
Technical Data

Table 1: Wall Mount Type Ultrasonic Flow Meter Technology Parameter

Items Specifications
Accuracy ±1% of reading at rates >0.2 mps
Repeatability 0.2%
Principle Transmit time
Velocity ±32m/s
Pipe Size DN15mm-DN6000mm
Display LCD with backlight, display accumulated flow/heat, instantaneous flow/heat, velocity, time etc.
Signal Output 1 way 4-20mA output
1 way OCT pulse output
1 way relay output
Signal Input 3 way 4-20mA input achieve to heat measurement by connecting PT100 platinum resistor
Other Functions 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.
Pipe Material Carbon Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed
Straight Pipe Section Upstram: 10D;  Downsteam:5D;  From the pump:30D (D means outer diameter)
Liquid Types Water, sea water, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid
Liquid Temperature Standard: -30℃ ~ 90℃ ,High-temperature:-30℃ ~ 160℃
Liquid Turbidity Less than 10000ppm, with a little bubble
Flow Direction Bi-directional measuring, net flow/heat measuring
Environment Temperature  Main Unit: -30℃ ~ 80℃
  Transducer: -30℃ ~ 160℃, Temperature transducer: select on enquiry
Environment Humidity Main Unit: 85% RH
  Transducer: standard is IP65, IP68(optional)
Cable 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
Power Supply DC24V
Power Consumption Less than 1.5W
Communication MODBUS RTU RS485

Table 2: Wall Mount Type Ultrasonic Flow Meter Transducer Selection

Type Picture Specification Measuring range Temperature range
Clamp on type Small-size DN15mm~DN100mm  -30℃~90℃
Middle- size DN50mm~DN700mm  -30℃~90℃
Large -size DN300mm~DN6000mm  -30℃~90℃
High temperature
  clamp on type
Small-size DN15mm~DN100mm  -30℃~160℃
Middle- size DN50mm~DN700mm  -30℃~160℃
Large -size DN300mm~DN6000mm  -30℃~160℃
Insert type  standard length 
Wall thickness
DN50mm~DN6000mm  -30℃~160℃
Wall thickness
DN50mm~DN6000mm  -30℃~160℃
Parallel type
used for narrow
DN80mm~DN6000mm  -30℃~160℃
Inline type π type inline DN15mm~DN32mm  -30℃~160℃
Flange type DN40mm~DN1000mm  -30℃~160℃

Table 3: Wall Mount Type Ultrasonic Flow Meter Temperature Sensor Model

PT100 Picture Accuracy Cut off water Measuring range Temperature
clamp on  ±1% No DN50mm~DN6000mm  -40℃~160℃
Insertion sensor ±1% Yes DN50mm~DN6000mm  -40℃~160℃
Insertion type installation with pressure  ±1% No DN50mm~DN6000mm  -40℃~160℃
Insertion type for small pipe diameter ±1% Yes DN15mm~DN50mm  -40℃~160℃
Modular Type Ultrasonic Flow Meter 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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