Rugged Data Recorder - RU-846
The RU-846 Rugged Data Recorder, made of aluminum alloy with mini size, lighter weight and strong impact resistance, specially designed for vehicles, airborne, shipboard and other occasions with narrow installation space. RU-846 adopts modular combination design. Expanded via USB hub, RU-846 can be used for the testing and analysis of 96 channels dynamic signals in parallel and synchronously by using only one computer, and widely used for performance test and analysis of various structures in aerospace, weapons, automotive engineering, sports safety equipment and other industries.
The Data Recorder adopts modular design and consists of a control layer, an acquisition layer and a power layer
Micro testing system, 16 channels, size: 55mm×62mm×82mm, weight: 350g
Up to 500g impact resistance and -20°C~+60°C operation temperature
Up to 4 modules (16 channels) are supported by a single system, including the module of IEPE, charge, strain, or custom combination
USB communication, built-in 32GB high-speed storage, up to 128kHz/ch sampling rate
UP to 6 recorders (96 channels) can be supported to sample in parallel and synchronously
Independent 16-bit A/D converter per channel
Support online and offline working modes, online or offline continuous or triggered acquisition, post-event data recovery
Software-settable bridge modes such as full-bridge, half-bridge, and three-wire quarter bridge, easy to use
Support intelligent wire identification and TEDS sensors
Powered by built-in lithium battery pack power supply (optional) or external 10~36V DC power supply
The sampling control and analysis software, which runs on Windows XP/7/8/8.1/10 OS, has word document activity reporting function and multiple view display modes such as recorder, x-y recorder, color waterfall chart, color cloud chart, instrument panel, bar chart, digital table, audio and video, 3D model chart, etc.
| Strain Acquisition Module | |
| Number of Input Channel | 4 channels |
| Input Mode | Differential balance input |
| Input Impedance | 10MΩ±10MΩ |
| Full-scale Voltage Value | ±0.125V, ±0.25V, ±0.5V, ±1.25V, ±2.5V |
| Full-scale Strain Value | ±2500με, ±5000με, ±12500με, ±25000με, ±50000με |
| Indication Error | ≤0.5% of F.S. |
| Nonlinearity | ≤0.1% of F.S. |
| Minimum Resolution | 1με |
| CMR | ≥100dB |
| Bridge Voltage | 2V |
| Bridge Configuration | Full bridge, Half bridge, Three-wire Quarter bridge (Default 120Ω) |
| Self-Balancing Range | ±20mV |
| Freq. Response | DC ~ 20kHz (+0.5dB ~ -3dB) |
| A/D Converter | 16 bits |
| Anti-aliasing Filter | |
| Cut-off Frequency | 1/2.56 of sampling rate |
| Stop-band Attenuation | -100dB/Oct. |
| Flatness | ±0.05dB (Within analysis frequency range) |
| Dimensions | 55mm(L)×61mm(W)×10mm(H) (Incl. protruding connectors) |
| Weight | Approx. 40g |
| Power Consumption | 2W |
| IEPE Acquisition Module | |
| Number of Input Channel | 4 channels |
| Input Mode | IEPE, AC |
| IEPE Power | 4mA/24V |
| Full-scale Voltage Value | ±0.5V, ±5V, ±50V |
| Indication Error | ≤0.5% of F.S. |
| Freq. Response | 1kHz ~ 20kHz (+0.5dB ~ -3dB) |
| A/D Converter | 16 bits |
| Low Pass Filter | |
| Cut-off Frequency | 30Hz, 300Hz, 3kHz, PASS |
| Stop-band Attenuation | >18dB/Oct. |
| Flatness | <0.1dB (Within 1/2 cut-off frequency) |
| Anti-aliasing Filter | |
| Cut-off Frequency | 1/2.56 of sampling rate |
| Stop-band Attenuation | -100dB/Oct. |
| Flatness | ±0.05dB (Within analysis frequency range) |
| Dimensions | 55mm(L)×62mm(W)×10mm(H) (Incl. protruding connectors) |
| Weight | Approx. 41g |
| Power Consumption | 1.75W |
| Charge Acquisition Module | |
| Number of Input Channel | 4 channels |
| Input Charge Range | ±50pC, ±500pC, ±5000pC |
| Full-scale Value (1mV/pC) | ±50pC, ±500pC, ±5000pC |
| Full-scale Value (0.1mV/pC) | ±500pC, ±5000pC, ±50000pC |
| Indication Error | ≤0.5% of F.S. |
| Freq. Response | 0.5Hz ~ 20kHz (+0.5dB ~ -3dB) |
| A/D Converter | 16 bits |
| Low Pass Filter | |
| Cut-off Frequency | 30Hz, 300Hz, 3kHz, PASS |
| Stop-band Attenuation | >18dB/Oct. |
| Flatness | <0.1dB (Within 2/3 cut-off frequency) |
| Anti-aliasing Filter | |
| Cut-off Frequency | 1/2.56 of sampling rate |
| Stop-band Attenuation | -100dB/Oct. |
| Flatness | ±0.05dB (Within analysis frequency range) |
| Dimensions | 55mm(L)×62mm(W)×10mm(H) (Incl. protruding connectors) |
| Weight | Approx. 39g |
| Power Consumption | 1.5W |
| Acquisition Control Module | |
| Number of Controlled Modules | Up to 4 controlled modules |
| Storage | 32G |
| Sampling Rate | Up to 128kHz/channel |
| Power Supply | External 10 ~ 30V DC |
| Communication | USB2.0 |
| Dimensions | 55mm(L)×61mm(W)×21mm(H) (Incl. protruding connectors) |
| Weight | Approx. 77g |
| Power Consumption | 1W |
| Li-battery Module | |
| Rechargeable Battery Capacity |
Module 1: 2000mAh, 1.5h Module 2: 4000mAh, 3h Module 3: 6000mAh, 4.5h |
| Charging Time |
Module 1: 3h Module 2: 6h Module 3: 9h |
| Dimensions |
Module 1: 55mm(L)×57mm(W)×20.5mm(H) Module 2: 55mm(L)×57mm(W)×37mm(H) Module 3: 55mm(L)×57mm(W)×57.5mm(H) |
| Weight (module 1) | Approx. 114g |
| Environmental Conditions | |
| Operating Temperature | -20°C ~ 60°C |
| Operating Humidity | 5 ~ 90%RH@50°C |
| Storage Temperature | -40°C ~ 70°C |
| Storage Humidity | 90%RH48h@60°C |
| Vibration | |
| Frequency Cycle Range | 5Hz ~ 55Hz ~ 5Hz |
| Drive Amplitude (Peak) | 0.19mm |
| Sweep Frequency | ≤1Oct./min |
| Duration of Resonant | 10min |
| Vibration Direction | x, y, z |
Figure 1 Single System Block Diagram
Figure 2 Multi-System Block Diagram
Figure 3 Multi-System Standalone Working 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.
RU-846 Strain Acquisition Module
4 input channels
Software-selectable full-scale voltage value from ±0.125V to ±2.5V
Software-selectable full-scale strain value from ±2500με to ±50000με
Software-selectable of full bridge, 1/2 bridge or 1/4 bridge (3-wire)
Independent 16-bit A/D converter and dedicated DSP real-time signal processing system per channel
16 channels input simultaneously, the sampling rate up to 128kHz/channel
Built-in anti-aliasing filter
RU-846 IEPE Acquisition Module
4 input channels
Built-in 24V/4mA bias current
Software-selectable full-scale voltage value from ±0.05V to ±5.0V
Independent 16-bit A/D converter per channel
16 channels input simultaneously, the sampling rate up to 128kHz/channel
Built-in low-pass filter and anti-aliasing filter
RU-846 Charge Acquisition Module
4 input channels
Software-selectable full-scale charge value from ±50pC to ±5000pC with the sensitivity of 1mV/pC and from ±500pC to ±50000pC with the sensitivity of 0.1mV/pC
Independent 16-bit A/D converter per channel
16 channels input simultaneously, the sampling rate up to 128kHz/channel
Built-in low-pass filter and anti-aliasing filter
RU-846 Acquisition Control Module
Up to 4 controlled modules
Built-in 32gb high-speed memory
Up to 128kHz/channel
USB2.0 communication
RU-846 Li-battery Module
Intelligent rechargeable lithium battery
Optional battery capacity of 2000mAh, 4000mAh, 6000mAh
RU-846 Synchronization Controller (Optional)
Built-in synchronization clock and rechargeable lithium battery pack
USB 3.0 switch
Optional of 3+1, 6+1 and 9+1 ports
Wire Controller (Optional)
Used to control the recorder for standalone data acquisition
Control power switch
Control balance and acquisition
C-4 Signal Input Cable
Five core shielded cable
Default 1m bare cable