supply of supply, installation & commissioning of 01 set comprehensive analysis kitsupply, installation & commissioning of 01 set comprehensive analysis kit,supply, installation & commissioning of 01 set comprehensive analysis kit as per attached an nexure. kit consisting of (1) 01 no. portable digital refractometer for ethylene glycol analysis. (2) 01 no digi tal ph meter with standard accessories and (3) 01 no. reverse alkalinity test kit with 0.1n hcl and respecti ve laboratory glassware for testing of traction converter coolant of vb bharat trainset for (i) model hl9683 1or similar (ii) model hl98129 or similar, make hana instruments or equivalent. [ warranty period: 30 m onths after the date of delivery ] ]