The CBLLIMIT2 cable establishes unipolar current limiting (2 ma minimum, 3 ma maximum), for a compliance voltage range of ±200 volts, and is primarily used with STMISOLA for tDCS stimulation as a safety precaution.
The CBLLIMIT2 cable will permit any unipolar current between 0 and 2 ma to pass. If more than 2 ma is attempted to be injected through the cable, then the compliance voltage across the CBLLIMIT2 will rapidly rise, thus constricting current flow. When used in conjunction with the STMISOLA, the maximum current that can be injected through the CBLLIMIT2 is 3 ma, as this current will result in the CBLLIMIT2 hitting the 200 V compliance limit of STMISOLA.
The cable is factory tunable for a range of current limits and may have other uses in situations where a maximum current limit is required.
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Length: 15 cm
Connectors: Male Touchproof on one end, female Touchproof on the other
Interface: Connect to the electrode drive of any stimulator made by BIOPAC: STMISOLA, STM200, STMISOC, STMISOD, STMISOE, or BSLSTMB
The figure below shows a sample setup for HD-tDCS using CBLLIMIT2 and other BIOPAC hardware:
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