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Dynamic Stress-strain Testing and Analysis System - SE-98
Dynamic Stress-strain Testing and Analysis System - SE-98

Dynamic Stress-strain Testing and Analysis System - SE-98 Dynamic Stress-strain Testing and Analysis System - SE-98

The SE-98 Dynamic Stress-strain Test and Analysis System, with the use of 19-inch standard chassis structure, is specially designed for the strength and life evaluation test of large structures. Expanded via a Gigabit Ethernet switch, the dynamic strain-stress signals over 2000 channels can be measured and analyzed in parallel and synchronously by a single computer. SE-98 is widely used for the structures performance testing and analysis of various industries such as aerospace, automotive industry, mechanical engineering, rail transit, etc.

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  • Product Description
  • Specifications
  • System Configurations
  • Software
  • Modules／Accessories

 Specially designed for the testing of stress and strain, and the physical quantities of force, pressure, displacement, 

    velocity, acceleration can be accurately tested by cooperating with various bridge sensors, and the signal of voltage 

    can also be accurately measured.

 Suitable for cabinet installation and can be used to build a centralized test system to support the online synchronous 

    loading of various load testing machines for the fatigue test of large structures

 The maximum sampling rate is 5kHz/channel for simultaneous sampling of all channels

 Built-in standard resistance, software-settable of full-bridge, half-bridge and three-wire quarter bridge

 The function of intelligent wire identification is supported to facilitate the editing and setting of measurement point 

    information in large system

 Support synchronous automatic measurement and correction of wire resistance of all channels

 The self-checking function of in-situ channels of strain-stress is supported to obtain the current state of the channel 

    quickly

 The multi-channel signal can be recorded for a long time, in real time and without interruption by using computer's 

    hard disk with large capacity

Number of Input Channel8 channles per card, 8/16 card slots per chassis
Full-scale Voltage Value±0.5V, ±5.0V, ±10.0V
Min. Resolution5μV
Strain Measurement
     Full-scale Strain Value±50000με
     Min. Resolution0.5με
     Indication error≤0.5％±3με
     Nonlinearity0.05% of F.S.
     Noise≤1μεRMS
     Zero Drift±3με/4h
     Self-Balancing Range±20000με (±2% of strain gauge resistance)
Bridge Excitation
     Bridge ConfigurationFull, half, three-wire quarter bridge
     Bridge Completion Resistors120Ω, 350Ω (Three-wire quarter bridge)
60Ω ~ 20000Ω (Half bridge / Full bridge)
     Bridge Voltage2V, 5V, 10V DC
LPF
     Transfer Characteristic6th order Butterworth and Chebyshev filter
     Cut-off Frequency10Hz, 30Hz, 100Hz, 300Hz, PASS
CommunicationGigabit Ethernet
A/D Converter24 bits
Sampling Rate1Hz, 2Hz, 5Hz, 10Hz, 20Hz, 50Hz, 100Hz, 200Hz, 500Hz, 1kHz, 2kHz, 5kHz per channel
Anti-aliasing Filter
     Cut-off Frequency1/2.56 of sampling rate
     Stop-band Attenuation>-100dB/Oct.
     Flatness<0.1dB (Within analysis frequency range)
Power Supply220VAC/10 ~ 30VDC, 160W (64 channles) / 320W (128 channles)
Dimensions 
     Semi-19" Chassis237×133×338mm
     19" Chassis482×133×338mm
Weight
     Semi 19" Chassis (64 channels)Approx. 7kg
     19" Chassis (128 channels)Approx. 12kg
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



Figure 1   Single System Block Diagram



Figure 2  Multiple 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.




 SE-98 DAQ Card

  • 8 input channels

  • Full-scale voltage value from ±0.5V to ±10.0V

  • Full-scale strain value is ±50000με

  • Independent 24-bit A/D converter per channel

  • The maximum sampling rate is 5kHz for simultaneous sampling of all channels

  • Software-settable of full bridge, half bridge and three-wire quarter bridge

  • Support intelligent wire identification and automatic measurement and correction of wire resistance
 DE-92U Semi-19" 3U Chassis

  • 8 Card Slots

  • Including control card, Gigabit Ethernet communication Interface

  • 100 ~ 240VAC / 12VDC power supply
 DE-93U 19" 3U Chassis

  • 16 card slots

  • Including control card, Gigabit Ethernet communication Interface

  • 100 ~ 240VAC / 12VDC   power supply
 DT5857-8 Charge Conditioner (Optional)

  • 1 input channel

  • Full-scale charge Value: 103pC, 105pC

  • Frequency response: 0.3Hz ~ 300kHz/1MHz

 DT5857-9 Differential Charge Conditioning Unit (Optional)

  • 1 differential input channel

  • Full-scale charge Value: 103pC, 105pC

  • Frequency response: 0.3Hz ~ 300kHz
 DT5855-8 Charge Conditioner (Optional)

  • 1 differential input channel

  • Full-scale charge value: 103pC, 105pC

  • Frequency response: 0.3Hz ~ 300kHz

  • Quadratic integral
 DT5856-8 IEPE Conditioner (Optional)

  • Built-in 24V/4mA biasing circuit

  • Frequecy response: DC ~ 300kHz

  • Quadratic integral
 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

 DT5942 Tachometer Card (Optional)

  • Number of channel：2 input channels

  • Range: 30 ~ 300000 rpm / 5 ~ 20000 rpm

  • PPR: 1 ~ 512
 DT5943 Counter Card (Optional)

  • Number of channel：2 input channels

  • Access to various pulse output counter, used for measuring revolving speed, pulse or frequency
 DT5944 Signal Source Output Card (Optional)

  • 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
 DT5945 CAN Bus Card (Optional)

  • Number of channel：2 channels

  • Protocol: CAN2.0B

  • Baud rate: 4800bps ~ 1Mbps

  • Communication mode: duplex CAN bus for sending and receiving

  • Minimum sending interval: 1s

  • Support dbc file import

  • Supports standard and extended frame formats
 DT5947 Digital I/O Card (Optional)

  • Number of channel: 8-Ch DI or 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
 DT5611A Synchronization Box (Optional)

  • 8 inputs

  • Built-in synchronization clock distributor

  • Support multiple clock box cascade connection

  • 19" 1.5U chassis

 C-4 Cable

  • 4-core cable

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

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