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High Speed Data Acquisition System -DE-924U

High accuracy dynamic DAQ system (system uncertainty: 0.05%), max sample rate 1MHz, ideal for shock signal sampling; low noise, low distortion, high linearity, fast response, excellent flatness to ensure accurate measurement. High isolation between input and output, at least 120dB attenuation, with common mode voltage of 500V; ideal for multiple grounding points.

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  • DE-924U
  • Dynatronic
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High accuracy dynamic DAQ system (system uncertainty: 0.05%), max sample rate 1MHz, ideal for shock signal sampling; low noise, low distortion, high linearity, fast response, excellent flatness to ensure accurate measurement. High isolation between input and output, at least 120dB attenuation, with common mode voltage of 500V; ideal for multiple grounding points.


Features

•       Stress-strain testing

•       Accommodates bridge based sensors (force, pressure, displacement, velocity, and more)

•       Built in 24V/4mA bias circuit for IEPE and microphone signal

•       Max sample rate 1MHz

•       Optional charge conditioner to work with piezoelectric sensors

•       Accurately measure voltage signals

•       Modular design expandable to unlimited channel count using Ethernet connection

•       Strong anti-interference capability

•       Programmable channel self-check

•       Real-time DSP signal processing system per channel

•       DMA data transfer in real time, ensuring high-speed, reliable data transmission


Technical Specifications


ModelDE-928UDE-924UDE-918U
InputGND,   DC, AC, single ended IEPE, differential IEPE
Voltage   range±5mV~±10V   step adjustable±5mV~±20V   step adjustable
Common mode voltage10V   (DC/AC peak)500V   (DC/AC peak)
CMR100dB100dB120dB
Freq. responseDC~300kHzDC~100kHz
Strain meas.Range±1000με~±100000με
Bridge completionFull   bridge, half-bridge, three-wire quarter bridge (120Ω or 350Ω per customer   request)
Bridge voltage2V,   5V, 10V, 24V (accuracy 0.05%)
BalancingSelf-balancing
EIDSupport
Low pass filteringCut-off   freq.100~100k   (Hz),PASS sub-file switching10~10k(Hz),   PASS sub-file switching
Stop-band attenuation-24dB/oct

FilteringAnalog   and digital filtering

Cut-off   freq.1/2.56   times the sample rate
Anti- aliasingStop   band attenuationApprox.   -120dB/oct

Flatness0.1dB   (within analysis freq.)
TEDS supportYes
A/D   converters18   bit successive approximation24   bit Σ-Δ18   bit successive approximation
CommunicationGigabit   Ethernet
Continuous sampling rate (mass storage)All   channels  simultaneously  up to 256 kHz/channel; max. 16 channels -   up to 1MHz/channelAll   channels simultaneously up to 256 kHz/channel; max 16 channels, up to 512   kHz/channelAll  channels    simultaneously  up to 256   kHz/channel; max 16 channels - up to 1MHz/channel
Uncertainty<   0.05% (FS)<   0.05% (FS)
Stability<0.01%/day<0.05%/h
Noise≤ 3 μVRMS
Drift<1μV/day<3μV/day<3μV/2h
Size (mm)Semi 19 inch   3U chassis (16 ch.) 237×338×133Semi   19 inch 2U chassis(8 ch.) 237×328×88
19 inch 3U chassis(32 ch.) 482×338×13319   inch 2U chassis (16 ch.)
482×328×88
Power supply100-240VAC/100-240VAC/
12-36VDC12-36VDC


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