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| Model 10CJB-2 Bridge Completion Card |
Intended
primarily for stress analysis applications, this external junction box
lets you connect the input of a Model 3570
or Model 4077 DC Strain Gage Conditioner to a 2-wire
1/4-bridge, 3-wire 1/4-bridge, 1/2-bridge, or full-bridge strain gage
configuration (normally attached directly to the stressed material).
It may also be used with special-function instruments based on the Model 4077, such as the Models 4K/SPC-77, 4KWT-77, and 4K/PM-77.
Each 1/4-bridge configuration may use a nominal gage resistance of either 120 or 350 ohms. Model 10CJB-2 dimensions (HWD in inches/cm) are 1.14/2.90, 9.05/22.99, 3.25/8.26.
As shown in the figure below, the function of the 10CJB-2 is to "complete" the connected partial bridge—that is, to allow it to be seen by the instrument as a full (4-arm) Wheatstone bridge.
Channels
originating from the 10CJB-2 require a special calibration procedure.
Also, you must furnish your own pin-to-pin shielded cable for connecting the
10CJB-2 to the conditioner's Analog Input Connector. Daytronic will supply
terminal connectors for this cable.
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Stress Analysis Using External Bridge Completion |
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