tender for digital datalogger:- 1) main mother board for 99/06 datalogger.- 1 no. 2) 64 inputs digital stackcards 99/06 specs. - 2nos. 3) 128 tag block 99/06 spec. - 1 no, 4) digital ribbons, connectors hylum sheet - 1no,. 5) installation, testing & commissioning of the above cards connecting to datalogger - 1 set .