tender for purchase of equipments ( s.no 1 to s.no 08 ) for chemistry department , purchase of equipments , digital electronic balance /analytical balance • load capacity: minimum 500 g • readability: 0.01 g • linearity: 0.02g • display: lcd/led • tare function: required • top pan type • power supply: 220-240 v ac, 50 hz , digital tds meter • measuring range: 0-9990 ppm • resolution: 1 ppm • display: lcd • automatic temperature compensation (atc): required • waterproof: minimum ip67 protection • power source: battery operated (button cell/aaa battery) , digital ph meter benchtop model • ph type microprocessor/microcontroller • ph range: 0-14 • resolution: 0.01 ph • accuracy: ±0.05 ph or better • combined ph electrode with temperature sensor • two or three-point calibration facility • temperature compensation type automatic • display: lcd • power supply: 220-240 v ac, 50 hz • warranty minimum 1 year , laboratory heating mantle (knitted glass yarn) • capacity: 500ml • temperature range: ambient to 350°c • energy regulator/control knob: required • power supply: 220-240 v ac, 50 hz , mortar with pestle • material: porcelain • size: 100-150 mm inner diameter • exterior: glazed • grinding surface: unglazed , hot plate • top plate material: cast iron • plate size: minimum 8 inch diameter • power rating: 2000 w • temperature range: ambient to 200°c minimum • thermostatic temperature control: required • power supply: 220-240 v ac, 50 hz , electric bunsen burner • electrically operated • energy regulator/ control knob • operating temperature 800°c • body: stainless steel • power supply source: corded electric, supplied with a heavy-duty, heat-resistant, earth-grounded, 3-pin power cord (minimum length 1.2 meters). • power consumption: between 350 and 500w • power supply: 220-240 v ac, 50 hz , water distillation unit • output capacity: 4 litres per hour (lph) • ph value: 5.5 to 7.0 • conductivity (raw water distillation):3.0 - 4.0 μs/cm or less • glassware material: borosilicate 3.3 glass (pyrex/duran equivalent) • heating elements: silicaenclosed quartz heaters or chromium-plated element variants • power supply: 220-240 v ac, 50 hz / 60 hz, single phase • automatic water level cut-off