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8 Ch, 24 bits, IEPE with 2 Ch, 32 bits, 4 mA excitation out, 1 Tach input
• Simultaneous IEPE analog inputs, waveform stimulus
analog outputs, tachometer synchronous with input
data stream, advanced pre and post triggering,
16 DIO (8 in/8 out), synchronous counter/timers,
and Sync Bus for up to 64 A/D channels and 8 D/A
• All inputs and outputs can be synchronized for
measurement data coherence
o Supports the ability to return the value of the
digital input port, tachometer, measure counters,
and general-purpose counter in the analog input
data stream, all synchronous with analog input
data stream providing correlation of tachometer
or any digital input with analog signals.
• Eight (DT9857E-08) Simultaneous, IEPE inputs up to 4 mA at 24 V
compliance, all inputs use 24-bit Delta-Sigma A/D
converters for high resolution measurement to
105.4 kS/s/ch, AC or DC coupling.
• Two 32-bit D/A converter output channels for
stimulus or waveform generation to 216 kS/s/ch.
• Start trigger (software, threshold, external, or Sync
Bus) for acquiring post-trigger samples; reference
trigger for acquiring pre/post trigger samples.
• Analog threshold trigger on any of the analog input
channels to program the threshold value from –10 V
to +10 V.
• SyncBus connector for synchronizing acquisition and
waveform stimulus on up to four DT9857E modules
• External 4.75 V to 28 V power supply
The DT9857E is a high accuracy dynamic signal acquisition
module for noise, vibration, and acoustic measurements.
Eight or sixteen, 24-bit, IEPE (ICP®) sensor inputs are
synchronized with a tachometer input, two measurement
counters, and a general purpose counter/timer to
provide data streams that are matched in time, for field
or laboratory use. Two stimulus D/A outputs, each 32-bit
resolution, and an 8-bit digital output port are available
for dynamic waveform generation and control. This
rugged, compact module, available either as an OEM
board or steel-encased module, connects via USB making
them ideal for many measurement applications.
The DT9857E offers many capabilities for vibration
measurement such as 16 IEPE 24-bit Delta-Sigma sensor
inputs, two 32-bit D/A stimulus outputs, a 32-bit tachometer,
pre- and post-triggering. The Sync Bus allows expansion to
64 analog input channels and 8 analog output channels, and
the ability to time sync all data to the input data stream.
|Number of input Channels||8 Simultaneouse|
|Signal Type||Single Ended|
|Input Range||±10 V / ±1 V|
|A/D Resolution||24 bits|
|Max Sampling||105.469 kS/s|
|Excitation Source||4 mA ±0.5%, 24 V compliance|
Threshold of Analog In
|Waveform Generation||Single value, waveform, and continuous streaming output|
|Number of Output Channels||2 SE|
|D/A Specification||32 bits|
|Output Range||±10 V|
|Readback in A/D stream||N/A|
|Tachometer input||1 ch, 31 bits, ±30 V, 1 MHz|
|Counter/Timer||1 ch, 32 bits,|
|Muti Modules Sync||4 modules up to 64 ch IEPE|
DT-Open Layers for .NET
DAQ Adaptor for MATLAB
LV-Link for LabVIEW
QuickDAQ FFT ( Option)
QuickDAQ Advanced FFT (Option)