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You are here: Home » Products » Data Acquisition System » Isolated Dynamic Signal Test and Analysis System - DE-918
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Isolated Dynamic Signal Test and Analysis System - DE-918

By means of multi-layer shielding and advanced isolation technology, DE-918 High-performance Isolated Dynamic Signal Test and Analysis System is especially suitable for accurately measuring physical quantities such as stress, strain, force, pressure, velocity and acceleration under high radiation and strong interference conditions.

Quantity:
  • DE-918
  • Dynatronic

 Modular design, expandable to over 500 channels via Gigabit  Ethernet

 Super anti-interference ability comes from the high isolation of input-output and channel-channel, multi-layer shielding 

    and reasonable grounding

 Independent 18-bit SAR A/D converter per channel with selectable sampling rate of up to 200kHz

 Built-in bridge completion and excitation

 Built-in 24V/4mA biasing circuit, support IEPE sensor

 Built-in Butterworth low-pass filter and anti-aliasing filter

 DMA for real-time, high speed, stable data transmission

 Suport EID and TEDS

 Input protection and signal state indication


Number of Input Channel1 channle/card, 8 card slots (19" 3U chassis)
Input CouplingGND, Dif-DC, Sin-DC, AC, IEPE
Input Impedance30MΩ / 100pF
Full-scale Voltage Value±0.005V, ±0.01V, ±0.02V, ±0.05V, ±0.1V, ±0.2V, ±0.5V, ±1.0V, ±2.0V, ±5.0V, ±10.0V
Indication Error<0.05% of F.S.
Stability<0.01%/24h
Nonlinearity≤0.005%
Distortion≤0.5%
Noise≤2μVRMS
Zero Drift<1μV/24h
CMV±500V (DC/AC peak value)
CMR≥120dB
Full-scale Strain Value±1000με, ±10000με, ±100000με
Bridge Excitation
     Bridge ConfigurationFull, half, three-wire quarter bridge
     Bridge Completion Resistors120Ω/350Ω (Three-wire quarter bridge)
50Ω ~ 10000Ω (Half bridge / Full bridge)
     Bridge Voltage2V, 5V, 10V, 24V DC Within 0.01%
     CurrentMax. 50mA
LPF
     Transfer CharacteristicButterworth low-pass filter
     Cut-off requency (-3dB±1dB)1Hz, 3Hz, 10Hz, 30Hz, 100Hz, 300Hz, 1kHz, 3kHz, 10kHz, PASS
     Flatness<0.1dB Within 2/3 of cut-off frequency
     Stop-band Attenuation>-18dB/Oct.
CommunicationGigabit Ethernet
A/D Converter18-bit SAR
Freq. ResponseDC ~ 100kHz (+0.5dB ~ -3dB)
Max. Sampling Rate256kHz
Anti-aliasing Filter
     Filtering ModeAnalog filter and real-time digital filter
     Cut-off Frequency1/2.56 of sampling rate
     Stop-band Attenuation- 150dB/Oct.
     Flatness±0.1dB Within analysis frequency range
Power Supply100 ~ 240VAC, 50 ~ 60Hz, 100W
Dimensions482×133×338mm
WeightApprox. 20.5kg
Environmental Conditions
     Operating Temperature- 10°C to 50°C
     Operating Humidity20 ~ 90%RH@40°C
     Storage Temperature- 40°C to 60°C
     Storage Humidity90%RH24h@50°C
     VibrationFrequency cycle range: 5Hz ~ 55Hz ~ 5Hz
Drive amplitude (peak): 0.19mm
Sweep frequency: ≤1Oct./min
Duration of resonant: 10min
Vibration direction: x, y, z

DE-918 System Block Diagram-1

Figure 1  Single System Block Diagram


DE-918 System Block Diagram-2

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.



HKN62_AV1+DHDAS



 DE-918 DAQ Card
  • 1 input channel

  • Support DC, AC, GND, IEPE, three-wire 1/4 bridge, 1/2 bridge, and full bridge Inputs

  • Full-scale voltage value from ±0.005V to ±10.0V

  • Full-scale strain value from ±1000με to ±100000με

  • Independent 18-bit SAR A/D converter per channel with selectable synchronous continuous sampl-

     ing rate of up to 200kHz

  • Frequency response range from DC to 100kHz

  • Anti-common mode voltage up to ±500V

  • CMRR over 120 dB


 19" 3U Chassis
  • CPU based on on-chip system (SOC)

  • 8 card slots

  • Including control card, Gigabit Ethernet communication interface

  • 100 ~ 240V AC, 50-60Hz power supply 


  DT5857-8 Charge Conditioner (Optional)
  • 1 input channel

  • Max. input charge: 105pC

  • Input Impedance: >1011Ω

  • Amplifier output sensitivity: 0.1mV/pC and 10mV/pC

  • Indication error: <1%

  • Noise: <10×10-3pC

  • Distortion: <0.5% (Within 30kHz)

电荷适调器

 DT5855-8 Charge Quadratic Integral Conditioner (Optional)
  • Max. input charge: 105pC

  • Amplifier output sensitivity: 0.1mV/pC and 10mV/pC

  • Indication error: <1%

  • Noise: <10×10-3pC

  • Max. bandwidth: 0.3Hz ~ 300kHz (+0.5dB ~ -3dB)

  • Distortion: <0.5% (Within 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%

  • Dimensions: 50×35×110mm


 DT5856-8 IEPE Quadratic Integral Conditioner (Optional)
  • Built-in 24V/4mA biasing circuit

  • Amplifier bandwidth: 0.3Hz ~ 100kHz (+0.5dB ~ -3dB)

  • Distortion: <0.5% (Within 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


 DT3811-8 Current Loop Conditioner (Optional)
  • 1 input channel

  • Suitable for 2-wire / 3-wire 4 ~ 20mA sensor

  • 24V DC power supply


 DT3814-8 Thermistor Conditioner (Optional)
  • 1 input channel

  • Suitable for Pt10, Pt100, Pt1000 sensors

  • Measuring temperature range from -200℃ to 850℃

  • Accuracy: 0.5%±0.5℃

  • Iout: 1mA±2μA

热电阻适调器

 DE-9-S Signal Source Module (Optional)
  • 2 channels

  • 2 irrelevant sources


 TM03 Tachometer (Optional)
  • 2 input channels

  • 30r/min ~ 300,000r/min or 5r/min ~ 20,000r/min

  • PPR: 1 ~ 512


 DT5611A Synchronization Box (Optional)
  • 8 inputs

  • Built-in synchronization clock distributor

  • 19" 1.5U chassis

同步时钟盒

 C-1 Cable
  • 1-core cable

  • Default 5m bare cable or 1.5 m cable with bridge box    


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