4x10 Matrix Card w/Screw Terminals for Models 7001 and 7002 The Keithley 7012-S is a 4x10 Matrix Card with Screw Terminals and is for the use with the models 7001 and 7002. The 7012 provides 4 rows by 10 columns of 2-pole matrix switching. The four rows of this card can be connected to the analog backplane within the 7001 or 7002 to make a larger matrix (4x20) or use it with the 7011 multiplexer card for greater flexibility through row expansion. Each row is connected to the backplane with its own jumpers that can be removed to isolate an individual row from the backplane. 4x10 2-pole matrix Available with screw terminal or mass terminated connections Rows connects to 7001/7002 backplane for easy expandability 500 nV, 100 pA offsets