tender for purchase of equipments (non-consumables) for chemistry lab in basic engineering (first year) department = limited- 2 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 3 digital tds meter• measuring range: 0–9990• ppm resolution: 1 ppm• display: lcd• automatic temperature• compensation (atc): required waterproof: minimum ip67• protectionpower source: battery• operated (button cell/aaa battery) 4 digital ph meter benchtop model• ph type• microprocessor/microcontrolle r 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• 5 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 6 mortar with pestle• material: porcelain• size: 100–150 mm inner• diameter exterior: glazed• grinding surface: unglazed• 7 hotplate• 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 8 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