purchasing & lab instrument for kolar laboratory year (2022-23) -purchasing & lab instrument , uv visible spectrophoto meter make-systronics / merck / supelco specifications wave length 190-1100nm , accuracy ±0 .1nm resolution 1.0 nm, bandwidth 1.0nm cuvette holder 50mm path length with display with calibration certificate , light source tungsten / deuterium / xenon flash lamp supplied with two pair of cuvette 50mm and 10 mm , turbidity meter nephelo meter direct turbidity range 0-100 with turbidity tube 04no. make –systronics / merck / eutech , ph meter make-systronics / merck / supelco specifications range 0-14 ph calibration 5 point / 3point slop- 85% to 115% including electrode and temperature probe , micro controller based conductivity-tds with cells ( nabl cat no-103082 , model no-308, hsn code – 90278090, make –systronics , glass cuvette for spedtrophoto meter, pk- 02 no , glass cuvette for turbidity meter, pk- 02 no , glass-body ph combination electrode, reference double junction , ag / agcl sealed, 12 x 120 mm, bnc connector, 1m cable length cat no- 8034 015, product code- ec620131, make- eutech , all glass filter assembly complete set cat no- 73200 544, make-riviera specifications filter size : 47mm dia. effective filteration area : 9.60 cm2 filter flask capacity : 1000 ml funnel capacity : 300 ml spring clamp : anodised aluminium pressure : vacuum only , vacuum pr.pump, 4bar 220v / 50hz cat no- xi0422050, make- merck / riviera / millipore , dissolved oxygen lab do 745 cat no- 285206800wt, make- merck / xylem / supelco specifications measuring range- 0...200 %; 0…..20 mg / l; temp- 10….100°c resolution : 1%; 0.01 mg / l’ 0.1°c temp compensation : automatic with ntc0kohm or fixed temp accuracy :±1 digit, ±0.5% of the measuring range, t ( °c ) ± 0.1 ( 5...50°c ) connectors : 8-pol sensor socket, 4-pol usb interface socket calibration : direct input, temperature offset, single –point, automatic data storage : 4.000 entries with date, time, value 1+2 and temperature , gst as per applicable