supply of instruments for idgah filter plant laboratory under zone no . 02 , bio chemical oxygen demand incubator specification :- a . double walled construction outer s . s . 304 dull finish inner s . s . 316 mirror polished . b . puf insulation between to walled . c . full acrylic door permit inspection of specimens without disturbing the temp . d . temp . controlled by pid controller with auto tuning facility with accuracy of +- 0 . 5 c temp . range 5 c to 60 c accuracy +- 0 . 5 c e . illumination light are provided for viewing . f . cfc free hermetically sealed compressor provide temp for below ambient condition . g . air circulation fan for marinating temp uniformity through out the chamber . h . the chamber is provided with modular removable shelves made of s . s . for complete flexibility vin use . i . built in deviation audio visual alarm . j . safety thermostat for over shoot temp . capacity 280 lit . k . cut off system hrc fuses for compressure heater & main time delay circuit for safety of compressure . company - biotechnics , labtop , remi etc . , digital nephelo / turbidity meter 132 sepcification :- range---0- 1000 n . t . u in 4 range ( automatic ) accurancy --+ / 3% of fsd in 0-1 and 0-1000 ntu , + / -2% of fsd in 0-10 and 0-100 ntu . repetability --+ 2% of fs ( std ) , display - 3 1 / 2 digit source - projector lamp . detector -- photodiode , vertical type auto clave specification :- a . triple walled vertical high pressure autoclaves used for sterilization under saturated steam pressure at any selected point between 10-20 psi ( adjustablel ) . with foot lifting arrangement & heavey gauge dia . b . double chamber with inner chamber ( boiler ) made of 18swg ss and outer chamber is covered with ms radial locking system . c . fitted with neoprene rubber gasket , hydraulically tested up to 40 psi . d . fully automatic exhaust of pressure . capacity 50 liters e . water level indicator . load 4 . 0 kw f . audio alarm / buzzer is raised at the end of the cycle . company - labgo , tanco , nsw pvt . ltd . etc .