Tender For supply of "lcd display range selection through a switch digital earthresistancemeter. accepted make & model is sonel mru 120 or fluke 1625-2 geo or megger det4tcr2 or chauvin arnoux ca6471 only. material shall be procures from the said oem or their authorized dealers with tender specific authorization only." [ warranty period: 30 months after the date of delivery ] ]