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RAEM1 - Full Function Acoustic Wave (Acoustic Emission) Detection System




RAEM1 is not only a wireless remote Acoustic Emission monitoring system but also a standalone single channel detection system. Combined with SWAE software, it can effectively carry out acoustic emission nondestructive testing for most of the industrial equipment.


Standalone operation. Single channel system. Compact design and easy installation.

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RAEM1 system is a complete full function single channel AE system not only for remote wireless long term non-destructive monitoring applications but also for standalone local detection purposes. RAEM1 is a single channel AE system integrated with AE sensor, data acquisition, processing and transmission in one small cylinder. It can real-time detect cracking, corrosion, leakage, wears, lubrication and other failures or defects in the early stage to predict and alarm early fault detection and maintenance.

RAEM1 System and Application Overview

System Principles and Features:

RAEM1 Principle and Data Flow

The RAEM1 package consists of an AE sensor, built-in modules for data acquisition and analysis and transmission, a power adaptor and some accessories. When the RAEM1 detects acoustic waves on the sensor, it will automatically process, analyze and transmit the result data to the desired terminals.


  • Wireless and wired connection, flexible for various connection requirements.
  • Simple installation, RAEM1 magnetic suction base can be directly sucked on the equipment.
  • Real-time monitoring, acoustic wave processing software can carry out real-time display and processing of signal data.
  • Various acoustic wave parameters, arrival time, amplitude, counts, energy, rise time, rise counts, duration, RMS, ASL
  • Smart alarming, if abnormal activities are detected, it will automatically send out alarm notifications via SMS or emails with the device information and alarm levels.
  • Made of aluminum alloy shell, compact in size, light in weight, sturdy and resistant to impacts, easy to carry.

User Cases

Channel Single channel
Sampling accuracy 16-bit
Trigger method Threshold or time trigger
System noise < 30dB
Sampling rate Adjustable, max 2MS/s per channel
Dynamic range 70dB
Input bandwidth 10kHz-800kHz
Analog filter High-pass filters: 30kHz, 125kHz; Low-pass filter: 80kHz, 175kHz. Hardware fixed at factory. Not adjustable after.
Digital filter 256th order FIR filter. Any value within 0kHz-1000kHz can be set as high-pass, low-pass or band-pass filters
Sensor Integral sensors with built-in preamplifier (choose one of three preamp options when ordering: 40dB28V, 34dB12V or 26dB5V)
Data output Waveform, AE parameters and parameter ratings
AE parameters Arrival time, amplitude, counts, energy (power), rise time, rise counts, duration, RMS, ASL
SD card 64G (can be expanded up to 512G)
Communication method 4G, Ethernet port, Wi-Fi, RS485, LoRa, or customized with NB-IoT, Zigbee etc. )
Working temperature -20℃~60℃(Wi-Fi version: 0℃~60℃)
Power supply Power adaptor by default (12VDC) or battery connection optional
Weight 220g (without built-in battery and sensor)
Dimension 62mm x 100mm (D x H) (without built-in sensor and battery)
Installation Magnetic base, which can be adsorbed on the metal surfaces
  • The RAEM1 is based on the Linux system and has high feasibility, stability, and security;
  • Multiple acquisition methods: In terms of sampling modes, there are the envelope mode and continuous model; according to sampling time differences, there are interval sampling, continuous sampling and timing sampling modes;
  • Flexible channel combination: can be used as a single channel or networked with multiple RAEM1 on site to form a multi-channel system for real-time monitoring of large or oversized equipment and facilities;
  • Multiple triggering methods: threshold triggering, time triggering;
  • Adopting 5G+2.4G WiFi module, balancing the transmission speed and range, with a maximum transmission speed of 120Mbps and a maximum transmission range of 100m;
  • Using a 100Mbps Ethernet port, the maximum transmission speed can reach 100Mbps;
  • built-in 64G SD card storage, which can be expanded to a maximum of 512GB for storing data without data loss due to power outage;
  • RAEM1 can be used as the desktop AE detector for on-site testing applications as well as remote unattended condition monitoring system for long-term monitoring applications.
  • The data can be uploaded to the cloud IoT platform for display and analysis (Alibaba Cloud, Qingcheng IoT cloud platform), or downloaded to the computer or directly sent to Qingcheng SWAE software for real-time analysis and processing;

RAEM1 is a single channel AE monitoring system integrated with acoustic emission signals sensing, acquisition, processing, analysis and transmission all-in-one. The RAEM1 package consists of a RAEM1 cylinder, an AE sensor, a power adaptor, antenna and some accessories.

Basic RAEM1 hardware and dimension

RAEM1 has a wide input frequency range and a variety of communication methods to choose from. To ensure these hardware fixed configuration of the RAEM1 is the best fit to your applications or projects, please contact us with your intended applications and project details and we will propose the best hardware configurations for you.

Below is the hardware configurations of RAEM1 that should be considered when ordering:

Components Detail Information Notes
Input Supply
  • Power adaptor (by default)
1A/ 12VDC
AE Sensor Choose the AE sensor based on the actual applications, in terms of frequency range and types:
  • Integral sensor with built-in preamp
  • Generic sensor with external preamp
Sensor is external to the cylinder by default.
The original matching sensor determines the analog filter and phantom power of the preamp in hardware which are fixed and cannot be changed afterwards.
Phantom Power to preamp RAEM1 outputs phantom power to drive the preamp. There are three types: 28V, 12V or 5V. The voltage of the phantom power is automatically chosen based on the selected AE sensor and preamp above.
It is fixed in hardware and cannot be changed afterwards.
Analog Filter
    There are two types available:
  • High-pass: 30kHz, 125kHz
  • Low-pass: 80kHz, 175kHz
The analog filter is automatically chosen based on the selected AE sensor above.
It is fixed in hardware and cannot be changed afterwards.
Sensor Cable Length The signal cable between the sensor/preamp to the RAEM1 cylinder. There are normally three types:
  • One meter
  • Two meters
  • Five meters
If other specific cable length is required, please contact us.
Communication Methods There are various methods available. Choose one method from the following list:
  • WiFi
  • 4G network
  • LoRa / LoRaWAN
  • RS485
Ethernet cable is compulsory and also is the backup communication in case other wireless method fails. If you want other communication methods, please contact us.
Terminals Various data terminals available: Choose the desired data terminals when ordering so that we can help with the best configurations. We can provide TCP/ RS485/ MQTT protocols of data communications for self developments.

Based on the application and the actual site environment and requirements, the appropriate matching sensor and the communication methods are selected from all available options when ordering. The phantom power, analog filter and communication modules are hardware embedded so they cannot be modified by software after manufacturing. It is recommended to only connect the original matching sensor types to the RAEM1.

RAEM1 can be used as a single channel desktop measuring device for AE testing.

Multiple RAEM1 can form a multi-channel AE system for AE testing of large equipment.

RAEM1 can also be used as a remote unattended monitoring system using wireless communications.


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