Ultra-dynamic Signal Test and Analysis System - DE-926U
The DE-926U represents the cutting edge in transient signal acquisition, specifically engineered for capturing ultra-dynamic phenomena in impact and blast testing applications. Featuring an advanced 8M-point/channel memory buffer and 20MHz transient sampling capability, this system delivers unparalleled performance for the most demanding measurement scenarios.
Compact modular design can be expanded for virtually any number of channels via Gigabit Ethernet
Data directly streams to the computer's had disk at 32MB/s over Gigabit Ethernet controlled by an advanced on-chip system
Dedicated DSP real-time signal processing system per channel
Independent 16-bit SAR A/D converter per channel with transient sample rates of up to 20MHz and continuous sampling rate of up to 1MHz.
DMA for real-time, high speed, stable data transmission.
Built-in bridge completion and Excitation
Built-in 24V/4mA biasing circuit, support IEPE sensor.
Built-in low-pass filter
Suport EID and signal state indication
| Name | Detail |
|---|---|
| Number of input channels | 2 channels/card, 8/16 card slots |
| Input Coupling | GND, Dif-DC, Sin-DC, AC, IEPE |
| Input Impedance | 8MΩ |
| Input Voltage Range | ±0.02V, ±0.05V, ±0.1V, ±0.2V, ±0.5V, ±1.0V, ±2.0V, ±5.0V |
| Indication Error | ±0.5% of F.S. |
| Stability | ≦0.1%/2h |
| Nonlinearity | ≦0.1% |
| Noise | ≦8μVRMS |
| Zero Drift | ≦3μV/2h |
| CMV | ±10VDC/AC peak value @DC~60Hz |
| CMR | ≧100dB |
| Strain Measurement | |
| Input Strain Range | ±100με, ±1000με, ±100000με |
| Indication Error | ≦0.5%±3με |
| Bridge Configuration | Full, half, three-wire quarter bridge |
| Bridge Completion Resistors | 120Ω/350Ω (Three-wire quarter bridge), 60Ω~10000Ω (Half bridge/Full bridge) |
| Bridge Voltage | 2V, 5V, 10V, 24V DC Within 0.1% |
| Current | Max. 50mA |
| Stability | ≦±0.05%/2h |
| LPF | |
| Cut-off Frequency (-3dB±1dB) | 1kHz, 10kHz, 100kHz, PASS |
| Flatness | <0.1dB Within 2/3 of cutoff frequency |
| Stop-band Attenuation | -24dB/Oct |
| Communication | Gigabit Ethernet |
| A/D Converter | 16-bit SAR |
| Freq. Response | DC~1MHz (+0.5dB~−3dB) |
| Continuous Sample Rates | 16 channels simultaneous inputs, up to 1MHz/channel |
| Transient Sampling | 16 channels simultaneous inputs, up to 20MHz/channel |
| Sample Rates | 8M/channel |
| Cache Memory | |
| Triggering | manual trigger, external trigger, signal trigger and timing trigger |
| Power Supply | 100~240V AC/10~30V DC, 160W (16 channels)/320W (32 channels) |
| Dimensions | 482×133×338 mm (19” chassis) |
| Weight | Approx. 8kg (semi-19” chassis and 16 channels) Approx. 4.1kg (19” chassis and 32 channels) |
| Environmental Conditions | |
| Operating Temperature | -10 to 50°C |
| Operating Humidity | 20~90%RH @40°C |
| Storage Temperature | -40 to 60°C |
| Storage Humidity | 90%RH 24h @50°C |
| Vibration Resistance |
Frequency cycle range: 5~55~5Hz Drive amplitude (peak): 0.19 mm Sweep frequency: ≦1 Oct./min Duration of resonant: 10 min |
Figure 1 Single System Block Diagram
Figure 2 Multi-System Block Diagram
DE-BSP Basic Platform Software
Core Features
Integrated Analysis Modules
Data acquisition and basic signal processing
Order analysis and field dynamic balancing
Impact waveform detection
Experimental modal analysis
Acoustic analysis
Smart Operation System
Modular management for simplified workflow
Automatic system parameter identification
Fully programmable instrument settings (range, filtering, sampling)
Virtual instrumentation with one-click configuration
Technical Specifications
Unified Platform Architecture
Supports multiple DAQ system types on single platform
Visual parameter configuration with real-time status monitoring
Data Management
Intelligent project organization for large-scale experiments
Batch processing and automated report generation
Multiple sampling modes (triggered/continuous)
Advanced Analysis Capabilities
Flexible channel grouping
Custom data flow configuration
Real-time processing (acquisition, storage, display, analysis)
Visualization Tools
Global data navigation
Multiple display modes:
Digital tables and bar charts
X-Y plotters and FFT views
Octave analysis, 2D/3D visualization
Reporting & Output
Interactive Word report generation
Multi-format export capabilities
Customization & Expansion
Open development interface
Plugin architecture for user-created modules
Shared plugin repository
Distributed System Support
Multi-client operation:
Main control terminal (full system control)
Display terminals (remote monitoring)
View layout management for field applications
Selective data storage based on bandwidth
| Accessories | |
|---|---|
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DE-926U DAQ Card
2 input channels. Support GND, Dif-DC, Sin-DC, AC, Dif-IEPE, Sin-IEPE, three-wire 1/4 bridge, 1/2 bridge, and full bridge Input. Software selectable input voltage range from ±0.02V to ± 10.0V. Input strain range from ±1000με to ±100000με. Individual 16-bit SAR A/D converter per channel with transient sample rates of up to 20MHz and continuous sample rates of up to 1MHz. System uncertainty within 0.5% of F.S. Frequency response range from DC to 1MHz. CMRR over 100 dB. |
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Semi 19" 3U Chassis
CPU based on on-chip system (SOC). 8 Card Slots. Including control card, Gigabit Ethernet communication Interface. 100~240VAC/12VDC power supply. |
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| 19" 3U Chassis
CPU based on on-chip system (SOC). 16 Card Slots. Including control card, Gigabit Ethernet communication Interface, 100~240VAC/12VDC power supply. |
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| DT3811-8 Current Loop Conditioner(Option)
1 input channel Suitable for 2-wire or 3-wire 4~20mA sensor 24V DC power supply |
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| DT3814-8 Thermistor Conditioner(Option)
1 input channel. Suitable for Pt10，Pt100、Pt1000 sensors. Measuring temperature range from -200℃to 850℃. Accuracy: 0.5%±0.5℃ Iout: 1mA±2μA |
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| DT5857-8 Charge Conditioner(Option)
Max. input charge: 105pC Input Impedance: >1011Ω Amplifier output sensitivity: 0.1mV/pC and 10mV/pC Indication error: <1% Noise: <10×10-3pC Max. bandwidth: 0.3Hz～1MHz(+0.5dB～-3dB) Distortion: <0.5％（Frequency < 30kHz） |
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| DT5855-8 Charge quadratic integral conditioner (Option)
Max. input charge: 105pC Amplifier output sensitivity: 0.1mV/pC and 10mV/pC Indication error: <1% Noise: <10×10-3pC Max. bandwidth: 0.3Hz～1MHz(+0.5dB～-3dB) Distortion: <0.5％（Frequency < 30kHz） Integral type: No integral, Primary integral, Quadratic integral Frequency Range: Primary integral: 10Hz~10kHz or 1Hz~1kHz Quadratic integral: 10Hz~1kHz or 1Hz~100Hz Integral Error： Primary integral: <3% Quadratic integral: <5% |
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| DT5856-8 IEPE Quadratic Integral Conditioner (Option)
Built-in 24V/4mA biasing circuit. Amplifier bandwidth: 0.3Hz~100kHz(+0.5dB~-3dB) Distortion: <0.5％（Frequency < 30kHz） Integral type: No integral, Primary integral, Quadratic integral Integral Frequency Range: Primary integral: 10Hz~10kHz or 1Hz~1kHz Quadratic integral: 10Hz~1kHz or 1Hz~100Hz Integral Error： Primary integral: <3% Quadratic integral: <5% Dimensions: 50×35×110mm |
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| DT5944 Signal Source Output Module (Option)
Number of Channel: 2 channels Voltage Range: ±10VP Current: Max. 5mA Frequency: 0.1~20kHz D/A Resolution: 24 bits Accuracy: 1% within 2kHz Signal Type: constant frequency sine wave, sweep frequency sine wave, square wave, random, burst random |
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| TC-01 Tachometer/Counter Module(Option)
Number of channel：2 input channels Rotation rate measurement Range: 30 ~ 600000 rpm; Accuracy: ˂ 0.05%±1r; Input signal pulse width: >10μs PPR: 1~4096 Counter measurement Operating mode: support positive/reverse, pulse accumulative count, pulse count per unit time Reset mode: manual/atuomatic Pulse count range: 0~100k/s Power supply: 5VDC/50mA |
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| DT5945 CAN Bus Module (Option)
Number of channel：2 channels Protocol: CAN2.0B Baud rate: 4800bps~1Mbps Communication mode: duplex CAN bus for sending and receiving Support dbc file import. Supports standard and extended frame formats. Minimum sending interval: 1s |
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| DT5946 RS485 Communication Module (Option)
Number of channel：2 channels Baud rate: 1200bps~115200bps |
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| DT5611A Synchronization Box(Option)
8 inputs. Built-in synchronization clock distributor. Support multiple clock box cascade connection. 19" 1.5U chassis. |
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| DT5947 Digital I/O Module (Option)
Number of channel: 8-Ch DI and 8-Ch DO Digital input: Support Dry/Wet Contact Digital output: Power Output (Ch1-Ch4) and TTL Output (Ch5-Ch8) Power Output: Max. 24V/1A |
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| DT5987C Torsional Vibration Measurement Module (Option)
Two channels, built-in high-precision counter, can be connected to Hall sensor, magnetic sensor, encoder and other torsional vibration angular velocity measurement. |
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| C-4 Cable
4 channel. Default 5m bare cable or 1.5 m cable with bridge box. |
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| Power Cable |  |
| Gigabit Network Cable
5m |
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| BNC Patch Cord
One a DB-26 connector and other is a BNC female connector, 0.1m |
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| BNC Cable(Option) |  |
| IEPE Signal Input Cable(Option) |  |
| L5 Cable(Option) |  |
| Tachometer/Counter Signal Cable(Option) |  |
| Digital I/O Signal Input Cable(Option) | |
| CAN Signal Cable(Option) |  |
| Synchronous Clock Cable(Option) |  |
| Synchronous Clock Cascade Cable(Option) |  |
| Gigabit Switch(Option) |  |
| Copper Core Nylon Cable Cap (with Copper Core) |  |
| Packing Case |  |
| Fuse |  |
| Software CD |  |