tender for environmental lab things - digital ph metermeasured from 0.0-14.00 with an accuracy of ± 0.01ph and a resolution of 0.01 ph temperature is 0-100°c with 0.5°c accuracy and 0.1° resolution , digital dissolved oxygen meter conformance: iso 7027 ( ir source ) epa 180.1 ( tungsten lamp ) , response time:<6 seconds, display: led, light source: tungsten filament or ir, led ( 860 ) mm; power supply 120-240 voilts ac , digital spectrophotometerwave length range 340-960 nm, photometric accuracy ± 2.5mma , digital turbidity meter conformance: iso 7027 ( ir source ) epa 180.1 ( tungsten lamp ) , response time:<6 seconds, display: led, light source : tungsten filament or ir, led ( 860 ) mm ; power supply 120 – 240 voilts ac , magnetic stirrer: ( electrically operated ) with hotplate & digital speed indicator capacity 2 liters, working size 184x184 mm , drying oven head load: 150kn, 2.25kn, 2.25kn, 4.0kn no of shelves: 3, 3.5, 3.5, 4 temperature range:50°c-300°c / 400°c ±3° insulation : mineral wool / ceramic wool , analytical balance : capacity : 300gm, reliability: 0.0001g ( 0.1 mg ) , desiccator plain desiccator size : 100mm, 50mm, 180mm, 210mm, 240mm, 300mm , dish tongs ( ss ) – 18”heat resistant material , evaporating dish80mm dia 34mm high 75mm capacity , wattman nylon filter membrane - 47 mm 0.2μm pkt. 100 , bunsen burner – electrically operatedconsist of heating element, max. working temp.350oc, to work at 230v ac supply , crucible white ceramic 55mm , whattman filter paper – pkt. of 100 nos. a ) ø 110 mmb ) ø 150 c ) ø 240 mmmm d ) ø 320 mm , wash bottle – polylab polyethylene wash bottles size - ( 500 ml, white ) , vacuum pump:free air displacement-1.8 cfm, ultimate vacuum-5 pa, voltage-220 v- 50 / 60 hz , wire gauge1 ) wg-144: 4x42 ) wg-155: 5x53 ) wg-166: 6x6 , glass funnel – 3” , filter paper44 micron , borosilicate glass volumetric pipette- 50ml , borosilicate glass burette: 50 ml , beaker glassa ) 100 b ) 250 c ) 500mld ) 1000 ml => limited