Omega Products OMB-DAQ-2408 User Manual
24-Bit Multifunction USB Data Acquisition Modules for
Temperature and Voltage Measurement
OMB-DAQ-2408 Series
U Measures Thermocouples
or Voltage
U Up to 16 Analog Inputs
U 24-Bit Resolution
U Up to 1 kS/s Sampling
U Two Counters
U Supports Thermocouple Types
J, K, T, E, R, S, B, N
U Built-In Cold Junction
Compensation and Open
Thermocouple Detection
U Eight Digital I/O
U Up to 2 Analog Outputs
U 500 Vdc Isolation Between
Field Wiring and the USB
Interface
The OMB-DAQ-2408 Series are
multifunction DAQ devices designed
for highly-accurate voltage or
temperature measurements. Each
device features up to 16 single
ended (SE)/8 differential (DIFF)
analog inputs. Each device includes
8 digital I/O and two counter inputs.
The OMB-DAQ-2408-2AO also
features two analog outputs. Each
device in the series offers 24-bit
resolution for ultra-accurate voltage
or thermocouple measurements.
OMB-DAQ-2408
shown smaller than
actual size.
Digital I/O
Analog Input
Each device includes 16 SE/8
DIFF analog inputs which you
can configure for voltage or
thermocouple input on a per-channel
basis. Eight software-selectable
voltage input ranges are provided.
You can configure these ranges
on a per-channel basis from ±10V
to ±0.078V. When measuring
thermocouples, configure analog
inputs in DIFF mode. All devices also
include open thermocouple detection
to identify improperly working
thermocouples.
Sample Rate
OMB-DAQ-2408 modules can sample
analog input channels at up to 1 kS/s.
OMB-DAQ-2408 Series Selection Chart
Analog Throughput Analog
Model Inputs Rate Outputs Digital I/O Counters
OMB-DAQ-2408
8 DIFF
OMB-DAQ-2408-2AO
8 DIFF
16 SE/
16 SE/
Up to 1 kS/s — 8 2
Up to 1 kS/s 2 8 2
Eight digital I/O channels are
included with each OMB-DAQ-2408
and you can read from or write to
each individual bit.
Counters
Two 32-bit counters are included
with OMB-DAQ-2408 modules. The
TTL level inputs are capable of read/
write rates of up to 500 Hz and an
input frequency of up to 1 MHz.
Analog Output
(OMB-DAQ-2408-2AO Only)
The OMB-DAQ-2408-2AO includes
two 16-bit analog outputs. Each
output has a ±10V range. Both
outputs can be updated at a rate of
up to 500 S/s per channel; one output
can be updated at a rate of 1 kS/s.
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Software
The OMB-DAQ-2408 modules ship
with an impressive array of software,
including the new TracerDAQ®, a fullfeatured, out-of-the-box data logging,
viewing, and analysis application.
Driver support and detailed
example programs are included
for Universal Library programming
libraries for Microsoft
Studio® programming languages,
and other languages, including
DASYLab®, and ULx for NI
LabVIEW® (comprehensive library
of Vls and example programs
compatible with 32-bit and 64-bit
LabVIEW v8.5 through 2012) and
InstaCalTM installation, calibration
and test utility-powerful solutions for
programmers and nonprogrammers
alike. These modules operate under
Micrsoft Windows® XP (32-bit only)
and VISTA/7/8 (32-bit and 64-bit)
operating systems.
®
Visual
Features Comparison
Strip Chart
Features TracerDAQ TracerDAQ Pro
Channel Types Analog input, temperature input, Analog input, temperature input,
digital input, event counter digital input, event counter
Number of Channels 8 48
Number of Lanes 2 8
Maximum Samples per Channel 32,000 1 million
Alarm Conditions No Yes
Measurements Window No Yes
Enter Annotations No Yes
Software Triggering No Yes
Hardware Triggering No Yes
Time-of-Day Triggering No Yes
Linear Scaling No Yes
Oscilloscope
Features TracerDAQ TracerDAQ Pro
Channel Type Analog input Analog input
Number of Channels 2 4
Measurements Window No Yes
Reference Channel No Yes
Math Channel No Yes
Function Generator
Features TracerDAQ TracerDAQ Pro
Channel Type Analog output Analog output
Number of Channels 1 16
Waveform Types Sine Sine, square, triangle, flat, pulse, ramp, random, arbitrary
Duty Cycle No Yes
Phase No Yes
Gate Ratio No Yes
Rate Multiplier No Yes
Sweep (Linear and Exponential) No Yes
The OM-USB-2408 Series data acquisition modules are supplied with
TracerDAQ software which is a collection of four virtual instrument
applications used to graphically display and store input data and
generate output signals:
• Strip Chart—Log and graph values acquire from analog inputs,
digital inputs, temperature inputs and counter inputs
• Oscilloscope—Display values acquired from analog inputs
• Function Generator—Generate waveforms for analog outputs
• Rate Generator—Generate waveforms for counter outputs
TracerDAQ PRO is an enhanced version of TracerDAQ.
of some of the features included in TracerDAQ vs TracerDAQ PRO is
shown below.
TracerDAQ Strip Chart.
Rate Generator
Features TracerDAQ TracerDAQ Pro
Channel Type Counter output Counter output
Number of Channels 1 20
SWD-TRACERDAQ-PRO Strip Chart with
Measurements (sold separately).
A comparison
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To Order, Call or Shop Online at omega.com
SM
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