complete replacement of conductivity analyser with controller for measuring stator water conductivity for unit no.1 and 2, sgtps, mppgcl, brs. , conductivity analyzer with controller :- a ) conductivity sensor with all accessories ( like flow through chamber, impulse piping etc. ) measuring range: 0 to 100 ?s / cm ( with various cell constant ) along with flow through chamber & impulse piping . b ) converter ( transmitter ) specification :- measuring range: 0 to 100 ?s / cm ( with various cell constant ) accuracy: ±1% of fsd linearity : ±1% of fsd temperature measurement range: –10 to 150°c temperature compensation:–10 to 130°c temperature coefficient : programmable 0 to 3.0% per oc temperature sensor : pt 100 resistance thermometer operating temperature limit : -20 oc to 60 oc operating humanity limit : upto 95% rh non-condensing power supply : 200 to 260 v, 50 hz re-transmission : 2 no. of re-transmission signal output current : 0 to 20 or 4-20ma programmable ( isolated current output ) maximum load resistant: 750 ohm ( 20 ma max. ) having forced simulation facility. serial communication : rs 485, protection : ip-66 relay contact: 2 no. dpdt’s relays ( programmable set point adjustment ) display: black & white lcd with touch screen housing : aluminum dia-casting , controller : controller unit is required for implementation of 02 out of 03 logics having general specifications are as follows:- • no. of digital input: 03 nos. • no. of digital output: 02 nos. • communication : rs 485 • power supply: 4-20ma • hmi language : english ( u.s. ) • 2 relay contact for tripping extension. • sil-3 certified controller. • fail safe features in case of failure of supply voltage. , work part , installation & commissioning of above analyzer. 1. installation & commissioning of 06 nos. of sensors and their output displayed onindividual single channel converter display unit having 02 spdt’s switches and implementing 2 out of 3 tripping logic through controller unit. => limited