Omega Products OMB-DBK80 User Manual

Model OMB-DBK80

$

549

The OMB-DBK80, $549, shown smaller then actual size

⻬16 Differential Input

Channels

⻬ Unity Gain

Combines with
OMB-BOARD-2000
Series/OMB-LOGBOOK
Gains to Provide Full
Scale Inputs from
±156mV to ±10V
(±625mV to ±5V)

⻬ Convenient On-Board

Screw Terminal Signal
Connection

⻬ Compact Form

Factor Mounts in any
OMB-DBK Compatible
Enclosure

The OMB-DBK80 provides
16-channels of differential voltage
input for OMB-DAQBOARD-2000
Series and OMB-LOGBOOK
measurement systems. The
OMB-DBK80 can operate at the
full 100 KHz sample rate with no
degradation of published
performance.

The OMB-DBK80 has a single,
unity-gain input stage on all
channels. When coupled with the
on-board x1 through x64
programmable input gains on the
DAQBOARD-2000 Series and
OMB-LOGBOOK product lines, the
combination provides full-scale
input ranges from ±10V down to
±156mV full-scale inputs.

The OMB-DBK80’s ultra-low
noise design allows users to
expand their input channels up
to 256 channels, without incurring
additional noise or inaccuracies
due to the input expansion cards.
Up to 16 OMB-DBK80’s can be
attached to one A/D system, and
can also be combined with any
other OMB-DBK series expansion
and signal conditioning options.

The OMB-DBK80 also has a +5V
or +10V precision voltage source
on-board (jumper selectable).
This can also be used to bias
strain gages, thermistors, or other
transducers that require biasing.

Specifications

Connector: DBK37 male,

mates with P1 pin-out on an
OMB-DAQBOOK-2000 Series,
or OMB-LOGBOOK.

User Connections:

Screw-terminals for signal
connection.

Gain Ranges: 1, x1
Inputs: 16 differential voltage inputs
Maximum Voltage Range: ±10V
Input Impedance: 20M ohm
Accuracy: +0.025% + 150 µV (typ),

+ 0.1% +250 µV (max)

Maximum Input Voltage
(without damage): 35V

3dB Bandwidth: 2.6 M Hz
CMRR: 80dB
Excitation Voltage: One channel

jumper selectable to +5V or +10V

Excitation Voltage Accuracy:

+0.5%

Excitation Voltage Current Limit:

20 mA source, 1 mA sink
Power: 25 mA max from +15V

(with no load on excitation voltage)

OMB-DBK80

16-Channel Differential Input Voltage Card for use with
OMB-DAQBOARD-2000 Series and OMB-LOGBOOK

To Order

(Specify Model Number)

Model Number Price Description

OMB-DBK80 $549 16-channel differential input voltage card

Ordering Example: OMB-DBK80 16-channel differential input voltage card, $549.

H-65

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