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AUDIOWELL www.audiowell.com SENSOR TECHNOLOGY SMART HOME PRODUCT CATALOGUE AUDIOWELL ELECTRONICS(GUANGDONG) CO.,LTD. Add: No.4 Block 3 Yinping Road.Panyu, Guangzhou, Guangdong, China 511400 Tel: +86-20-84802041 Fax: +86-20-84665207 E-mail: inquire@audiowell.com

Company Introduction Established in 1999, Audiowell Electronics (Guangdong) Co., Ltd. (NEEQ: 832491) is a leading provider of sensor components and sensing solutions with focus on the research, design, production and sales of sensitive components, sensors and corresponding modular solutions. As a sensor manufacturer and solution provider, Audiowell has the most comprehensive sensor component product line in China. Our ultrasonic sensors, flow sensors, electro-acoustic devices and ultrasonic transducer devices are market leaders and widely used in a variety of industries and fields including...

SMART HOME APPLICATIONS & SOLUTIONS Index Ultrasonic Transducer 01 Piezoelectric Speaker 02 Liquid Auto-fill Control Unit 03 Ultrasonic Level Sensor 04 Ultrasonic Flow Sensor Module 06 Ultrasonic Rangefinder 07 Laser Dust Sensor 09 Dust Sensor 10 Smart Atomizer 12 Atomizing Transducer 13 Aromatherapy Atomizing Module 14 Microporous Atomizer 15 Microporous Atomizing Module 16 Piezoelectric Air Pump 17 Ultrasonic Air Pump Module 18 Audiowell Catalogue

AUDIOWELL SENSOR TECHNOLOGY Ultrasonic Transducer The ultrasonic transducer utilizes piezoelectric effect to convert electricity to mechanical vibration and form ultrasonic waves. Therefore no coil is contained and electromagnetic interference can be greatly reduced. The ultrasonic wave has excellent directivity and strong penetrability, and is interfered by neither the dust and electromagnetic fields in the air, nor the color and temperature at object surfaces. Features - Large detection range - Good immunity to interference Applications - Location tracking and gesture recognition for VR...

Speaker A piezoelectric loudspeaker is an electro-acoustic component that utilizes the inverse piezoelectric effect to generate sound. It is composed of a piezoelectric vibration part and its packaging housing. The vibration part of a piezoelectric loudspeaker generally consists of a metal diaphragm and a conjoined multilayer ceramic transducer . Features - No magnetic coil - Only 2mm thickness - Low power consumption and high energy conversion rate - High resistance to vibration, dust and electromagnetic interference Applications - Radio alarm system under sensitive environment - Feedback...

Liquid Auto-fill Control Unit By measuring the time of flight of ultrasonic waves, this unit calculates the depth of container and monitors the level of the liquid being added. Therefore it can control the liquid addition amount and prevent overfill regardless of the shape of containers. Non-contact measurement is performed to avoid contamination. Features - Highly intelligent - High accuracy - Short response time - High stability Applications - Water dispenser - Water purifier - Coffee machine and other liquid fill-in machines

Ultrasonic Level Sensor The liquid level sensor uses ultrasonic waves to measure the level of liquid continuously. It combines the transmitter and receiver in one unit and can be mounted at the external sidewall or bottom of a container. The ultrasonic waves emitted by the sensor travel through the container wall and propagate in the liquid. Part of them are reflected by the liquid surface and then received by the sensor. Accurate measurement is performed without any contact with the liquid or any drilling on the container. Features - High accuracy - Good directivity - Stable and reliable...

AUDIOWELL I SENSOR TECHNOLOGY The oil level sensor is a high-frequency ultrasonic sensor and can penetrate a certain thickness of metal materials, with high precision, good direction, reliable performance, waterproof. It can be applied to level measurement of the common filling liquid. Features - High precision - Can penetrate metal container - Non-contact measurement - Multipoint level measurement Applications - Measurement of industrial storage liquid level - Measurement of gas cylinder level

Ultrasonic Flow Sensor Module The Ultrasonic Flow Sensor Module measures the flow rate of liquid by calculating the transit time difference of upstream and downstream ultrasonic pulses. It contains no moving part in the pipe section, and therefore has lower pressure loss and higher accuracy than traditional flow meters. Features - No moving parts - Low power consumption - Active alert for abnormal status such as pipe dripping, transducer failure, etc. - Water-contact materials conform with drinking water standards Applications - Measuring the outflow of water heaters - Intelligent water...

AUDIOWELL sensor technology The Ultrasonic Rangefinder measures the time interval between emitting the ultrasonic pulses and receiving the echo to determine the distance to nearby objects. The distance value is indicated by the pulse width of output signals. Advanced signal processing technique is used in this module to enhance the measurement reliability and the anti-interference ability. Rated Working Voltage DC 5V

Features - Non-contact measurement - Digital signal output - Small blind zone - Short response time - Dustproof design Applications - UAV - Robot - Height measurement Rated Working Voltage dc 5V DC 5V Working Current sSlOmA < 9 mA Audiowell Catalogue

AUDIOWEU. sensor technology The Laser Dust Sensor uses a laser diode as the light source to illuminate the sampling air boosted by the blower. When small particles enter the illuminated area, the laser beam is scattered. A photodetector placed in the specified positon receives the scattered light and turns it into current signal which is then amplified and processed to indicate the concentration of particles. It can detect particles as small as 0.3^m diameter and output serial digital signal. Features - Lensless design to ensure good consistency - High accuracy measurement - Can detect...