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Portable Ultrasonic Flow Meter

Flow velocity range: 0-±30m/s

Accuracy: Better than ±1%

Power Supply: Built-in rechargeable Ni-MH battery (for 20 hours operation) or AC 220V

Power Consumption: 1.5W

Charging: Intelligent charging with AC 220V. After charging sufficiently, it automatically stop and display green light

Product Details

Introduction

The portable ultrasonic flow meter succeeds at delivering expanded functionality and field portability when a permanent installation is not required. This ultrasonic flow meter is a complete liquid measurement kit with portable clamp-on transducers featuring a small handheld display interface with bright color display and push buttons. While principally designed for clean liquids, the portable meter will operate effectively with the minimal quantity of air bubbles or suspended solids found in most industrial applications. Its high-powered ultrasonic pulse with improved digital signal processing requires just one set of transducers for a wide range of pipe sizes and materials including metal, plastic and concrete.The handheld battery powered is ideal for precisely measuring a wide range of liquid flows in pipes up to 6000 mm.

Advantages

Portable Ultrasonic Flow Meter Advantages and Disadvantages
1. Easy to install and carrying
The first advantage of the portable ultrasonic flow meter is very easy to install. The main reason is that the size of the ultrasonic flow meter is relatively small and the installation space is also very flexible. In terms of operation, various precision measurement functions can be realized with one button, so ultrasonic flow meter are used in many places.
2. Stable and durable
Various flow meter, including portable ultrasonic flow meter, need to maintain the measurement state for a long time, and have high requirements for the durability and key stability of the equipment. Portable ultrasonic flow meter are very reliable.
3. High Accuracy and Reliable Measurement
As a flow detection device, the accuracy of the measurement must be high. The advantage of ultrasonic flow is that the accuracy of the measurement is very good, which is mainly due to the maturity of the ultrasonic technology and the excellent level of the measuring elements used.
This can be said to be a huge benefit brought by the application of ultrasonic technology. The practical advantages of ultrasonic flow meter are very large. The typical performance is that the installation and use are very convenient and efficient, and it also has very good stability and long-term use. reliability.

Application

Portable Ultrasonic Flow Meter Applications
This flow meter is widely used in ultrapure water and liquids, water/glycol solutions, cooling and heating water,diesel and fuel oil, waste water, chemicals and other industries. It can be used for production monitoring, flow verification, temporary detection, flow inspection, water meter balance debugging,heating network balance debugging,energy-saving monitoring, and it is a necessary tool and meter for timely flow detection.

Technical data

Table 1: Portable Ultrasonic Flow Meter Transducer Selection

Items	Specifications
Main Unit	2 line x 20 character LCD with backlight Working temperature: -20–60℃
	Mini thermal printer with 24 line character output
	4×4+2 pushbutton keypad
	Rs485 serial port, can download the newest software upgrading on our company’s website
Transducers	TS-1: small size transducer (magnetic) for pipe size: DN15-100mm, liquid temperature ≤110℃
	TM-1:medium size transducer (magnetic) for pipe size:DN50-1000mm, liquid temperature ≤110℃
	TL-1: Large size transducer (magnetic) for pipe size: DN300-6000mm, liquid temperature ≤110℃
Liquid types	Water, sea water, industrial sewage, acid and alkali liquid, various oils etc. liquid which can transmit sound wave.
Flow velocity range	0-±30m/s
Accuracy	Better than ±1%
Power Supply	Built-in rechargeable Ni-MH battery (for 20 hours operation) or AC 220V
Power Consumption	1.5W
Charging	Intelligent charging with AC 220V. After charging sufficiently, it automatically stop and display green light
Weight	Net weight: 2.5kg (main unit)
Remarks	With a high strength carrying case suitable for normal and harsh environment

Table 2: Portable Ultrasonic Flow Meter Transducer Selection

Type	Picture	Specification	Measuring range	Temperature range
Clamp on type		Small-size	DN20mm~DN100mm	-30℃~90℃
		Middle- size	DN50mm~DN700mm	-30℃~90℃
		Large -size	DN300mm~DN6000mm	-30℃~90℃
High temperature clamp on type		Small-size	DN20mm~DN100mm	-30℃~160℃
		Middle- size	DN50mm~DN700mm	-30℃~160℃
		Large -size	DN300mm~DN6000mm	-30℃~160℃
Mounting bracket clamp on		Small-size	DN20mm~DN100mm	-30℃~90℃
		Middle- size	DN50mm~DN300mm	-30℃~90℃
		King-size	DN300mm~DN700mm	-30℃~90℃

Installation

Portableultrasonic flow meter installation requirements
The state of the pipeline for measuring the flow will greatly affect the measurement accuracy, the detector installation location should be selected in a place that meets the following conditions:
1. It must be ensured that the straight pipe section where the probe is installed is: 10D on the upstream side(D is the pipe diameter), 5D or more on the downstream side, and there must be no factors that disturb the fluid(such as pumps,valves, throttles, etc.) in the 30D on the upstream side. And try to avoid the unevenness and welding position of the pipeline under test.
2. The pipeline is always full of liquid, and the fluid should not contain bubbles or other foreign objects. For horizontal pipelines, install the detector within ±45°of the horizontal centerline. Try to choose the horizontal centerline position.
3. When install the ultrasonic flow meter, need to input these parameters: pipe material,pipe wall thickness and pipe diameter. Fulid type, whether it contains impurities,bubbles, and whether the tube is full.

Transducers installation

1. V-method Installation
V-method installation is the most widely used mode for daily measurement with pipe inner diameters ranging from DN15mm ~ DN200mm. It is also called reflective mode or method.