supply of requirement of materials for analysis of bod, cod, dissolved oxygen at laboratory with already available instrument at mangal pandey wtp laboratory under north 24 pgs. water supply division-i, phe. dte.- 1 supply, installation and training & demonstartion on operation of oxi 3310 set 1 do meter with auto calibration facility and measurement of bod of raw water, clear water samples from fulbari wtp by 3 to 5 days dilution apha - 5210b. do meter should have backlit graphic display for mobile applications, set including carry case including galvanic do probe cello® 325, cleaning solution, electrolyte, 3 exchange membrane heads, stand, beaker, instruction manual, cd-rom and battaries driver software for usb cable. measurement range: 0-20.00 mg/lit, auto temparature, pressure & salinity compensation/correction, with 5000 automatic data logging facility. the scope of supply should include at least 12 numbers oxygen measuring container and consumables for producing dilution buffer solution. rate shall be offered by authorized dealer of the original equipement manufacturer and shall be inclusive of gst & all charges. m: wtw-xylem-merck-2ba301 2 cod reagent for test range 10-150 mg/cod, 25 tests a pack (suitable to be used in already available pico cod. cod meter rate shall be offered by authorized dealer of reagent offered with certificate and shall be inclusive of gst & all charges mk: wtw-xylem/merck 1.14540/ 250301 3 cod standrad. certified 100 mg/liot. 100 ml pack 4 sodium hydroide pellets, 2 bottols of 50 g each, suitable for existing oxitop bod analyzer. 5 nitrification inhabitor pack. 6 battery for oxitop pack of 6 nos. 7 oxitop pm tablet to check system for 6 measuring head, strip of 10 tablets 8 reagents to prepare nutrient buffer solution with nitrification bacteria inhibitor for bod measurement