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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

Product Details

Introduction

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.

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

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.

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 type Wall thickness ≤20mm	DN50mm~DN6000mm	-30℃~160℃
		Extra-length type Wall thickness ≤70mm	DN50mm~DN6000mm	-30℃~160℃
		Parallel type used for narrow installation space	DN80mm~DN6000mm	-30℃~160℃
Inline type		π type inline	DN15mm~DN32mm	-30℃~160℃
Inline type		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℃

Installation

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.