Purchase of Equipments ( S.No 1 to s.No 08 ) for CHEMISTRY Department

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