DE-926U Ultra-dynamic Signal Test and Analysis System, with the frequency response of up to 1MHz and the transient sampling rate of up to 20MHz, specially designed for the accurate measurement of various physical quantities such as force, pressure, displacement, velocity and acceleration in impact experiment and blasting test. Expanded via Gigabit Ethernet switch, ultra-dynamic signals over 1,000 channels can be synchronously tested and analyzed by a single computer.
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
| Number of Input Channel | 2 channles/card, 8/16 card slots |
| Input Coupling | GND, Dif-DC, Sin-DC, AC, IEPE |
| Input Impedance | 8MΩ |
| Full-scale Voltage Value | ±0.02V, ±0.05V, ±0.1V, ±0.2V, ±0.5V, ±1.0V, ±2.0V, ±5.0V, ±10.0V |
| Indication Error | ≤0.5% of F.S. |
| Stability | <±0.1%/2h |
| Nonlinearity | 0.1% |
| Noise | ≤8μVRMS |
| Zero Drift | <±3μV/2h |
| CMV | <±10V (DC/AC peak value)@DC ~ 60Hz |
| CMR | ≥100dB |
| Strain Measurement | |
| Full-scale Strain Value | ±1000με, ±10000με, ±100000με |
| Indication Error | ≤0.5%±3με |
| Bridge Excitation | |
| 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 cut-off 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 channnels simultaneous inputs, up to 1MHz/channel |
| Transient sampling | |
| Sample Rates | 16 channnels simultaneous inputs, up to 20MHz/channel |
| Cache Memory | 8M/channel |
| Triggering | manual trigger, external trigger, signal trigger and timing trigger |
| Power Supply | 100 ~ 240VAC / 10 ~ 30VDC, 160W (16 channles) / 320W (32 channles) |
| Dimensions | |
| Semi-19" Chassis | 237×133×338mm |
| 19" Chassis | 482×133×338mm |
| Weight | |
| Semi-19" Chassis (16 channels) | Approx. 8kg |
| 19" Chassis (32 channels) | Approx. 14kg |
| Environmental Conditions | |
| Operating Temperature | - 10°C to 50°C |
| Operating Humidity | 20 ~ 90%RH@40°C |
| Storage Temperature | - 40°C to 60°C |
| Storage Humidity | 90%RH24h@50°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
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.
| DE-926U DAQ Card | |
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| DE-92U Semi-19" 3U Chassis | |
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| DE-93U 19" 3U Chassis | |
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| DT5857-8 Charge Conditioner (Optional) | |
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| DT3811-8 Current Loop Conditioner (Optional) | |
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| DT3814-8 Thermistor Conditioner (Optional) | |
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| TC-01 Tachometer / Counter Module (Optional) | |
Range: 30 ~ 600000 rpm PPR: 1 ~ 4096
Operating mode: support positive/reverse, pulse accumulative count, pulse count per unit time Pulse count range: 0 ~ 100k/s
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| DT5944 Signal Source Output Card (Optional) | |
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| DT5945 CAN Bus Card (Optional) | |
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| DT5946 RS485 Communication Card (Optional) | |
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| DT5947 Digital I/O Card (Optional) | |
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| DT5611A Synchronization Box (Optional) | |
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| C-1 Cable | |
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