Omega Products OMB-DBK4 User Manual
To Order
(Specify Model Number)
Model Number Price Description
OMB-DBK4 $999 2-Channel Dynamic Signal-Input Card
OMB-DBK4
2-Channel Dynamic Signal-Input Card
for OMB-DAQBOARD-2000 Series
and OMB-LOGBOOK
Ordering Example: OMB-DBK4 2-channel dynamic signal-input card, $999.
⻬⻬
Offers a Per-Channel
Programmable Gain
Amplifier for ±50 mV,
±500 mV, or ±5 V FS Input
⻬⻬
Includes a Built-In
Current Source for ICP
Transducer Biasing
⻬⻬
Offers Per-Channel
Anti-Aliasing Filters
⻬⻬
Provides Per-Channel
Simultaneous Sample
and Hold
⻬⻬
Accommodates
Either AC or DC
Coupled Signals
⻬⻬
Both Dynamic Analog
Inputs Sampled Within
50 ns of Each Other
The 2-channel OMB-DBK4
dynamic signal-input card
enables OMB-LOGBOOK
and OMB-DAQBOARD-2000 Series
data acquisition systems to
accommodate inputs from
piezoelectric transducers, such as
accelerometers or microphones, as
well as from various other dynamic
signal sources. Each OMB-DBK4
card is equipped with two BNC
connectors and footprints for two
user-installed Microdot connectors,
permitting it to easily accommodate
most transducer connections.
Up to 128 cards can be attached
to one OMB-LOGBOOK or
OMB-DAQBOARD-2000 Series,
for a total of 256 dynamic signal
inputs.
Architecture
The OMB-DBK4 provides
per-channel, constant current
source outputs, programmable
gain amplifiers, programmable
anti-aliasing filters, and sample
and hold amplifiers.
Specifications
Channels: 2
Connectors: DB37 male, 1 BNC
per channel, and footprints for one
user-provided Microdot connector
per channel
Current Source:
Output Impedance: >1.4 MΩ
Compliance: 27 V
Current Levels: 2 and 4 mA
(jumper selectable)
Input Impedance: 150 KΩ
Input Ranges:
±50 mV, ±500 mV, and ±5 V FS;
additional full scale ranges
are available when combined
with the OMB-LOGBOOK’s
or OMB-DAQBOARD-2000 Series
on-board programmable A/D ranges
Coupling: AC and DC
AC High-Pass Filters:
Per-channel, 1-pole HPF with 10 Hz
or 0.1 Hz cutoff, selectable via jumper
Input Signal/Noise:
>96 dB (BW=100 kHz)
Amplitude Accuracy:
±0.5 dB passband center
Low-Pass Filter:
Software selectable, 12-pole
Butterworth filter, with cutoff
frequencies of 18 kHz, 9 kHz, 4.5
kHz, 2.25 kHz, 1.125 kHz, 562.5 Hz,
281.2 Hz, and 141.6 Hz; each
channel can be configured for a
different cutoff frequency
Power Consumption: 2750 mW
(When multiple OMB-DBK4 cards
are used, an OMB-DBK32A auxiliary
power supply may be required.)
Cables:
Use OMB-CA-37-x cable
with OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series
OMB-DBK4, $999, 2-channel dynamic signal-input card,
shown smaller than actual size
H-59
Model OMB-DBK4
$
999
AVAILABLE FOR FAST DELIVERY!
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