bids are invited for with cost of spares item 1 - annual maintenance service contract for one number of atomic absorption spectrometer for a period of two years - as per the technical specification in annexure a and b. , item 2 - list of spares to be changed if required - voltage regulator assembly plus5v plus 12v -12v plus24v , item 3 - power supply rectifier module , item 4 - high current mosfet , item 5 - amplifier i.c. , item 6 - pmt high voltage transformer , item 7 - data buffers , item 8 - ram i.c. , item 9 - rom i.c. , item 10 - micro controller i.c. , item 11 - multi element hollow cathode lamp cr -co -cu -fe - mn - ni , item 12 - single element hollow cathode lamp copper - iron - nickel , item 13 - pwm controller , item 14 - pmt detector , item 15 - programmable logic device , item 16 - fpga , item 17 - gal , item 18 - multiplexer , item 19 - drivers ic , item 20 - cpld amc for atomic absorption spectrometer along total quantity : 25