bids are invited for ph electrode,0-14ph,sensor:fm1104,forbes - ph electrode,0-14ph,sensor:fm1104,forbes type: combination electrode, programmable span, electrode connection: as7 type temperature rating: -10º c – 80º c pressure rating: max 2 bar shaft material: glass diaphragm: ceramic - 3 nos reference electrolyte: 3m kcl reference electrode: everef electrode head; pg 13.5 cable: low noise co-axial cable of 5 meters sensor length: 120 mm manufacturer : forbes marshall pvt ltd,india type/model : sensor: fm1104 , ph measurement system,continuous - ph measurement system,continuous industrial grade,on-line,consiting of(a)submersible type temperature compensation,range:0to14 ph,operating temperature:65deg.c,operating pressure:10bar,cable length:3meters,medium:abrasive solution with semisolid particles.(b)ph transmitter,signal input:from ph sensor, output:4-20ma dc,power supply:24vdc,mounting:field mounted type with chemically resistant coating.special feature,1)suitable power supply unit to be provided as power available at site is 230vac(+/-)10%, 50hz.2)local display of ph value should be available.moreover,isolated retransmission output of 4-20 madcshould also be there to display ph value continuously at a remote location around 100meters away , conductivity meter,range:0-100 #s/cm - conductivity meter,range:0-100 ?s/cm complete with sensor, transmitter and probe holder with following specifications. application : dm water for boiler meas range : 0-100 ?s/cm sensor cell constant : 0.01 temp compensation : automatic with pt-100 rtd sensor cable length : 5 mtr transmitter : 2-wire type, field mounted power supply : 24 vdc output : 4-20 madc local display : lcd probe holder : ss, flow through chamber with ½¿ npt(f) connections. , analyser,ami silica,1-5000 ppb,forbes - silica analyser (complete) consisting of flow chamber and its accessories and display unit for swas system measuring range: 1 - 5000 ppb measuring principle: colorimetric accuracy:-- +/- 1 ppb or +/-5% of