Omega Products OMB-DBK8 User Manual
Model OMB-DBK8
$
749
The 8-channel OMB-DBK8 high-voltage input card provides 3 input
ranges, which can be set on a per-channel basis
⻬ Provides 8 High-Voltage
Input Channels
⻬ Per-Channel Selection
of Three Voltage Ranges
Via Jumper
⻬ Provides 10 MΩ Input
Impedance for Minimum
Loading Errors
⻬ Buffered Inputs on Each
Channel for High-Speed
Scanning
The OMB-DBK8 provides eight
high-impedance, high-voltage
input channels for OMEGA’s
OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series
data acquisition systems. The
OMB-DBK8 accommodates 10, 50,
or 100 VFS bipolar inputs that you
can set on a per-channel basis via
jumpers on the card.
The OMB-DBK8’s 10 MΩ input
impedance presents minimal
loading of high impedance circuits
and transducers (
e.g.
, string pots),
which ensures accurate readings
over a wide range of source
impedance, and high impedance
transducers, such as string pots.
Each of the OMB-DBK8’s inputs
provides an individual buffer amplifier
that allows the combination of highspeed (10 µs/reading) and highinput impedances.
As many as thirty-two OMB-DBK8
cards can be used in one system,
for a total of 256 high-voltage
differential inputs.
Specifications
Connector: DB37 male, mates with
P1 pinout on the OMB-LOGBOOK
or OMB-DAQBOARD-2000; screw
terminals for signal inputs
Voltage Input Ranges: ±10 Vdc,
±50 Vdc, ±100 Vdc; selection by
jumper for each channel
Input Impedance: 10 MΩ
Attenuation:
10 V V
out=Vin
/2
50 V V
out=Vin
/10
100 V V
out=Vin
/20
Bandwidth: 15 kHz
Attenuation Accuracy: 0.5%
Offset Voltage
Typ: 0.5 mV
Max: 2.0 mV
Offset Drift
Typ: 4 µV/°C
Max: 10 µV/°C
Cables:
Use OMB-CA-37-x with
OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series
OMB-DBK8
8-Channel High-Voltage Input Card
for OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series
To Order (Specify Model Number)
Model Number Price Description
OMB-DBK8 $749 8-Channel High-Voltage Input Card
Ordering Example: OMB-DBK8 8-channel high-voltage input card, $749.
H-62
H
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