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8-Channel RTD Measurement Card for OMB-LOGBOOK and OMB-DAQBOARD-2000 Series
OMB-DBK9
PLACE ORDER - Provides 8 RTD Channels
- Supports 3- 4-Wire RTD’s
- Supports Three Rangesof RTD Resistance
- Features ResolutionOver the Full-Range of-200 to 850°C Span
Description
Description
The OMB-DBK9 is an eight-channelRTD (resistance temperature device)measurement card for trodeks’sOMB-LOGBOOK, OMB-DAQBOOKand DAQBOARD data acquisitionsystems. The OMB-DBK9 supportsup to 8 channels of 3- or 4-wireRTD’s with resistances of 100, 500,or 1000 Ohm. RTD-type selection ismade via a jumper on the card thatconfigures all 8 channels.
Excitation Sources. The OMB-DBK9provides bias for the RTD witheight constant current sourcesderived from the OMB-LOGBOOK,OMB-DAQBOOK or DAQBOARD’sinternal power supply.
Input Amplifier. The OMB-DBK9’sinstrumentation amplifier providesboth a high and low resolution gainfor each of the standard RTD types.
Software. Included software auto-maticallycontrols the OMB-DBK9 toeffortlessly supply you with correcttemperature measurements. Youneed only indicate which RTD type isattached to each channel. Thereafter,whenever a measurement isrequested from a channel, the entiremeasurement procedure includinglinearization occurs automatically.
The data acquisition systems areshipped with several Windowsapplications including a dataloggingapplication that allows you to acquireRTD’s and other measurements viaa spreadsheet-style user interface.Also shipped is eZ-PostView, a post-acquisition application that permitsyou to display acquired datapreviously saved to a file.
Specifications
Connector: DB37 male, mates with
P1 pinout on an OMB-LOGBOOK,
OMB-DAQBOOK or DAQBOARD;
screw terminals provided for
signal connections
Configurations: 3- or 4-wire
Alpha: 0.00385
Inputs: 8 channels
Temperature Ranges:
100, 500 or 1000 Ohm:
-200 to 850°C
RTD Excitation Current:
100 Ohm 500 µA
500 Ohm 227 µA
1000 Ohm 160 µA
Accuracy:
100, 500 or 1000 Ohm: ± 1.5°C
Resolution:
100, 500 or 1000 Ohm: 0.3°C
Cables:Use OMB-CA-37-x with
OMB-DAQBOOK andOMB-LOGBOOK;
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