Rugged Dynamic Signal Test and Analysis System - RE-884U
The RE-884U Rugged Dynamic Signal Test and Analysis System, with compact structure, dustproof and anti-vibration, and maximum sampling frequency of 200kHz, is especially designed for data acquisition in various harsh environments, such as on-vehicle, airborne, and shipboard, etc. Expanded via a Gigabit Ethernet switch, the dynamic signals over 1000 channels can be measured and analyzed in parallel and synchronously by a single computer. RE-884U is widely used for the performance test and analysis of various structures in the field of national defense and military industry, aerospace, automobile industry.
8 channels per DAQ module with independent 24-bit A/D converter
GPS/Beidou module is optional to collect the data of the real-time speed and the latitude and longitude synchronously
Support TEDS sensors access
Built-in 24V/4mA biasing circuit, low-pass filter, high pass filter and anti-aliasing filter
Built-in Li-battery, 1h of battery life (80 channels, fully charged)
Up to 100g impact resistance, IP65 environmental rating
| Number of Input Channel | 8 ~ 80 channels |
| Input Coupling | GND, SD-AC, AC, IEPE (ICP) |
| IEPE Power | 4mA/24V |
| Full-scale Voltage Value | ±0.1V, ±0.5V, ±1V, ±5.0V, ±10.0V |
| Voltage Indication Error | ≤ 0.5% |
| Nonlinearity | ≤ 0.1% |
| Noise | ≤ 5μV |
| LPF | |
| Filter Type | Third order Butterworth filter |
| Cut-off Frequency (-3dB±1dB) | 1kHz, 10kHz, 30kHz, PASS |
| Stop-band Attenuation | >-18dB/Oct. |
| Flatness | ±0.1dB (Within 2/3 of cut-off frequency) |
| HPF | |
| Cut-off Frequency (-3dB±1dB) | 0.5Hz, 5Hz, 10Hz |
| Stop-band Attenuation | >-6dB/Oct. |
| Flatness | ±0.1dB (Within 2/3 of cut-off frequency) |
| Anti-aliasing Filter | |
| Cut-off Frequency | 1/2.56 of sampling rate |
| Stop-band Attenuation | -120dB/Oct. |
| Flatness | ±0.1dB (Within analysis frequency range) |
| Communication | |
| Interface | Gigabit Ethernet |
| A/D Converter | 24-bit Σ-Δ |
| Freq. Response | DC~60kHz (±0.5dB ~ -3dB) (30kHz flatness) |
| Sampling Rates | 10Hz, 20Hz, 50Hz, 100Hz, 200Hz, 500Hz, 1kHz, 2kHz, 5kHz, 10kHz, 20kHz, 50kHz, 100kHz, 200kHz |
| Synchronization Mode | Synchronous clock box or GPS |
| Power Supply | Internal Lithium battery/external 220V AC / External 10~24V DC |
| Battery Life | 1h of battery life (Fully charged and simultaneous sampling of 80 channels) |
| Dimensions | |
| Dimensions | 362mm x 139mm x 165mm |
| Weight | Approx. 9.5kg |
| Environmental Conditions | |
| Operating Temperature | -20°C ~ 60°C |
| Operating Humidity | 5% ~ 90%RH @ 50°C |
| Storage Temperature | -40°C ~ 70°C |
| Storage Humidity | 90%RH 48h @ 60°C |
| Vibration |
Frequency Cycle Range: 5Hz ~ 55Hz ~ 5Hz Drive Amplitude (Peak): 0.19mm Sweep Frequency: ≤1Oct./min Duration of Resonant: 20min Vibration Direction: x, y, z |
| Shock | 100g/(4±1)ms |
| Ingress Protection | IP65 |
Figure 1 Single System Block Diagram
Figure 2 Multi-System Block Diagram
DE-BPS Basic Platform Software
Running on XP/Win7/Win8/Win10 operating system
Parameters setting, Function control, Real-time/post-acquisition analysis, data browsing, cursor readouts, scaling curve, data management and simple processing, report generation, long-term continuous data recording, etc.
RE-884U Power / Control Module
Based on on-chip systems (SOC)
Communicate with computers via Gigabit Ethernet
Up to 128 channels with sampling rate of up to 51.2kHz / channel can be controlled synchronously
Powered by built-in rechargeable lithium battery pack or 220 AC
RE-884U DAQ Module
8 channels
Support GND, DC, AC, IEPE input
Full-scale voltage value from ±0.1V to ±10.0V
Independent 24-bit A/D converter per channel with a sampling rate of up to 200kHz
Frequency response range from DC to 60kHz
Built-in 24V/4mA biasing circuit, low-pass filter, high-pass filter and anti-aliasing filter
Support TEDS sensors access
Synchronous Clock Box (Optional)
4 channels
Wired synchronous mode
Built-in synchronous clock distributor
Support the cascade function of multiple synchronous clock
RE-884U GPS Module (Optional)
Used for wireless synchronization of multiple RE-884U instruments