7ND9400-8AJ - Siemens
6-CHANNEL MEASURING MODULE DC U/I/TC, 2 MODULES PER RECORDER POSSIBLE, CANNOT BE COMBINED WITH 3-CHANNEL MODULES DC -10 MV TO +1 V, -4 TO +20 MA TEMPERATURE INPUT VIA THERMO- COUPLE, FOR VARIOGRAPH 7ND3521, 7ND3560 AND 7ND3590, FROM FIRMWARE RELEASE 08 ONWARDS (CAN BE RECALLED IN STATUS MENU OF RECORDER), UPDATING OF THE FIRMWARE IS NOT POSSIBLE