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RAEM1 - Full Function Remote Acoustic Wave (Acoustic Emission) Wireless Monitoring System
Model：
RAEM1
Description：
RAEM1 is based on Acoustic Emission technology and Linux operating system, it could achieve long-term stable running. Combined with Qingcheng IoT cloud platform, it could meet the different requirements of application.
Features：
Compatible with a variety of communication methods, long transmission distance, fast speed. Compact design and easy installation.
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RAEM1 system is a complete full function IIoT-AE system designed for remote unattended acoustic wave (acoustic emission) long term non-destructive testing and condition monitoring applications. RAEM1 is a single channel AE monitoring system integrated with AE sensor, data acquisition, processing and transmission in one small cylinder. It can real-time monitor 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.
Features:
- Wireless connection, reduce the cable connection workload and save cable consumption.
- 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.
Application
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 maximum sampling speed is 2M samples (or points) per second (S/s) for each channel. More information see “Selection of the Maximum Sampling Speed - The Technical Specification of Acoustic Emission (AE) System”.
- 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;
- 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 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.
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 |
|
1A/ 12VDC |
| AE Sensor |
Choose the AE sensor based on the actual applications, in terms of frequency range and types:
|
Sensor is external to the cylinder by default. If internal sensor is required, please contact us. 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 |
|
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:
|
If other specific cable length is required, please contact us. |
| Communication Methods |
There are various methods available. Choose one method from the following list:
|
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 remote unattended monitoring system using wireless communications.
RAEM1 can also 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.
User's Manual.pdf
RAEM1 Operation Guidance Video 
