procurement of various laboratory instruments at dadar sewage laboratory of sewerage operations department. , supply of following laboratory instruments at dadar sewage laboratory of sewerage operations department as per technical specification of tender document , bod incubator with pid controller: make : equitron/lovibond/amkette, , filtration assembly with vacuum pump with 6 manifoldfor suspended solidswith compatible vacuum pump, with ss funnels & waste bottle/vessel: make: millipore/borosil/axiva , water distillation unit: make: equitron/expo/aditi , vacuum pump - oil free, equipped with vacuum gauge and regulator,, make: rocker/millipore/borosil, , ph meterwith ph buffer solution : make : hach/lovibond/merck , cod digestor with capacity- minimum 15 or more samples at a time along with 15 nos. of reaction vessels and 15 nos. of compatible air condensers and suitable stands, with pid controller : make : spectra lab/ dbk/lovibond , analytical balance : make : mettler toledo/ shimadzu/ sartorious, , vertical freezer with temp controller : make : western/trufrost/miracolo , water bath : make : equitron/metalab/aditi