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DT8837 Isolated 4 Ch IEPEwith LAN and LXI interface for

Industrial Vibration analysis

• IEPE or Voltage inputs
o ISO-Channel™ provides ±500 V galvanic isolation
channel-to-channel for all I/O signals and
o 4 Simultaneous, 24-bit Delta-Sigma A/D channels
for high resolution measurements, or use as 4
IEPE inputs for direct sensor connection
o Input range of ±10 V with gains of 1 and 10,
software selectable
o 4 mA current source with 24 V compliance
voltage, software selectable
o AC/DC coupling, software selectable
o Sample rate up to 52.734 kS/s per channel,
• Total In Sync Data
o ADCs, tachometer, counter and DAC feedback
channels sampled simultaneously and can be
selectively included in input sample data
o Two 32-bit counters for measuring tachometer,
gate and ADC conversion relationships

DT8837 Isolated 4 Ch IEPEwith LAN and LXI interface for

Industrial Vibration analysis


The DT8837 is a high-accuracy, multi-channel module
that is ideal for sound and vibration measurements.
All the I/O channels are completely isolated from each
other and from the computer, allowing noise-free data
to be sampled in tough industrial environments. Four
24-bit IEPE (ICP®) sensor inputs, a 24-bit D/A stimulus
output, a 31-bit tachometer channel are synchronized to
provide data streams that are matched in time for field
or laboratory use.
The DT8837 offers a readback analog output channel
in the analog input data stream and provides special
measurement modes for precisely correlating the
tachometer input with the A/D sensor measurements.
The TCP/IP Ethernet operation allows measurements to
be monitored locally or at other remote sites. Up to 16
instrument modules maybe stacked for parallel operation
of 64 accelerometer or voltage inputs. These modules
are synchronized via the Wired Trigger Bus and can be
externally triggered in various ways.
All inputs use ISO-Channel technology, meaning that the
4 IEPE analog inputs, the analog output, tachometer,
and 4 robust digital outputs, are galvanically isolated up
to ±500 V from each other and allow a separate return
for each signal. This protection mechanism guarantees
freedom from ground loops and noise.

More Information
Number of input Channels 4 IEPE, Semiltaneouse
Signal Type Differential
Input Range ±10 V and ±1 V
A/D Resolution 24 bits
Max Sampling 52.734 kS/s per channel
Galvanic Isolation +500 V
Excitation Source 4 mA, + 24 V compliance voltage

External digital trigger:
Analog threshold Ch 0
Trigger Bus
LAN Trigger Packet

Waveform Generation Single value, waveform
Number of Output Channels 1
D/A Specification 24 bits, 10 KHz low pass filter
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, 48 MHz
Gate Input LVTTL
Digital IO

4 Isolated Output

Muti Modules Sync up to 16 moduels
LXI compliance Yes
Software Packages

DT-Open Layers for .NET

DataAcq SDK

DAQ Adaptor for MATLAB

LV-Link for LabVIEW

QuickDAQ Base


QuickDAQ Advanced FFT

Host Interface Ethernet 10/100
Software PicoScope-6.x
Dimensions N/A
Weight Kg 1.0750
Manufacturer Data Translation
DT8837 Data Sheet
(Size: 1.2 MB)
DT8837 User Manual
(Size: 2.3 MB)