Providing and fitting fixing of Laboratory Instruments including providing of Glassware, Chemical and other accessories for the favour of DWS Sub-Division, Sabroom under DWS Division, Sabroom, South Tripura during the year 2023-24.

Amount

Conductivity meter with conductivity/ TDS meter. Range : µ to 200.0 mS (COMPLIED), Accuracy : ±1 % full scale (COMPLIED), internal electrode holder : with integral Electrode Holder (COMPLIED), TDS Range : upto 200.0 ppt (COMPLIED), TDS accuracy : ± 1% full scale (COMPLIED), Power Requirments: 9 V DC Adaptor, 3.3 A (100/240 VAC, SMPS) (COMPLIED)

UV Visible Spectrophotometer Optical Design: Dual Beam UV- Visible (COMPLIED), Interface: Microprocessor, Andriod (COMPLIED) Wavelength Range: 190 to 1100 nm(COMPLIED), Repeatability: <±0.2 nm (COMPLIED), Display: 7-inch Colour Touch Screen (COMPLIED), Connectivity : Blue tooth connectivity (COMPLIED)

Bacteriological Incubator 37°C digital Control Temperature Range: +5°C ambient to 70°C (COMPLIED), Accuracy: ± 1° C at 50°C (COMPLIED), Working Volume : 120; Ltrs. (COMPLIED), Power requirements : 220/230 volts AC supply (COMPLIED)

Hot Air Oven With double walled unit and outer body made of Mild Steel Sheet treated for degreasing& rust proofing duly powder coated and inner chamber made of Stainless Steel Sheet(304 Grade) and adjustable Stainless Steel Wire Mesh shelves. Space between inner chamber and outer wall is filled with high grade mineral wool for minimal heat loss. The Double Walled Door has synthetic rubber / fiber gasket. Unit has ventilation slides on two sides to control inner air/ vapor circulation. Fitted with beaded heating elements placed in ribs, at bottom and sides for uniform heat distribution. To work on 220/230volts AC supply. Fitted with air circulation fan for uniform distribution of heat within the chamber. Unit is fitted with capillary thermostat for temperature control from +5º C ambient to 250ºC and ± 2ºC at 100ºC also equipped with L-type capillary thermometer. [Size 600 X 600 X 600 mm (24”x24”x24”)]

Digital pH meter Auto temperature compensation probe, integral electrode holder and 100/240 VAC power pack, startup calibration buffer solutions (pH 4.0, 7.0 and 10.0), Range 0.00 to 14.00 pH, Resolution 0.01 pH, Accuracy ±0.01 pH

Distillation unit double stage with Quartz boiler Quartz condenser & built in quartz Heater, low water level auto cut off device with Auto alarm system, Output Capacity 2.5 liters per hour output

Bacteriological Water Bath with 24 liter capacity and minimum 6(six) number of Racks, controlled by Digital electronic controller cum indicator, double walled with inner chamber made of Stainless Steel sheet (304 grade) Argon Arc Welded, and outer made of MS sheet duly epoxy powder coated. The gap between the walls should be filled with special grade glass wool to avoid thermal losses. The inner chamber fitted with immersion type heating element, covered with perforated diffuser tray. A Stainless Steel sheet cover should be provided with the unit. Should be with cord and plug to work on 220/230 volts AC supply. Unit should fitted with Capillary Thermostat for temperature control from +5º C ambient to 99ºC ± 2ºC at 50ºC

Laminar Flow Cabinet (Horizontal type) Structure made of complete Stainless Steel sheet-polished. Sides of work bench covered with transparent acrylic sheet. Front acrylic door of collapsible type. Work-bench made of Stainless Steel, working table size – 3ft X 2ft X 2 ft, HEPA Filter provided vertically on back of the work bench horizontally. Blowers, motor and pre-filters fitted in lower portion of the cabinet. Properly balanced blowers should be fitted of 1/4 H.P. Electric motor should be provided to supply sufficient air to HEPA filter. Pre-filters should provided to supply pre-filtered air to the blowers. One fluorescent tube and one U.V. Germicidal tube provided over work bench. Static pressure manometer fitted to the unit

Chlorine Comparator with colour disc Scale div: 0 / 0.2 / 0.4 / 0.6 / 0.8 / 1.0 / 1.2 / 1.4 / 1.6 / 1.8 /2.0 / 2.5 / 3.0 / 3.5 / 4.0 with 30 test reagent for residual chlorine & 30 tests for total chlorine

Microprocessor based digital analytical balance Capacity of 210 gm, Readability: 0.1 mg, Standard deviation : ≤ 0.1 mg, Linearity ± 0.2 mg, Response : Approx 3.0 second Internal Calibration, Air shield.

Horizontal Deep Freezer along with automatic voltage stabilizer Double walled with inner chamber made of stainless steel sheet (304 grade) and outer of mild steel sheet duly epoxy powder coated. The gap between the inner and outer wall should be filled with high grade PUF insulation to avoid thermal loss. Temperature range from ambient to -20ºC should be achieved by thermetically sealed compressor mounted on a sturdy angle iron frame and should be controlled by Micro Processor based PID Digital Temperature Indicator- cum-Controller. Minimum Capacity 171 liter or 6 cft.

Glassware:

Boroscilicate Burrets stop cock with PTEE key (25 ml Capacity)

Boroscilicate Burrets stop cock with PTEE key (50 ml Capacity)

Boroscilicate Pipet (20 ml Capacity)

Boroscilicate Pipet (25 ml Capacity)

Measuring Cylinder (25 ml Capacity)

Measuring Cylinder (25 ml Capacity)

Accessories:

Porcelain Mortar & Pestle

Glass Petri Dish (50 mm, Weight-30 gm.)

Surgical Rubber / Latex Surgical Hand Gloves

Filter Paper

12 inch long to hold laboratory hot beaker flask dishes tubes holder

Pipette Bulb/Sucker

Single plate Hot Plate 1500 Watt with Regulator

Electric Coil Hot Plate 2000 Watt PC with regulator (HPC-07 Long Body)

Inverter & Battery

Eye Wash Bottle

Weight box

Eye Wash Shower

Chemicals:

Eriochrome Blue Black R Indicator (EBBR Indicator)

Sodium hydroxide (NaOH)

pH Buffer Tablet - 7

pH Buffer Tablet - 4

pH Buffer Tablet - 9.2

0.01 N EDTA Solution

Sulfuric Acid (H2SO4), 0.02 N

0.02 N Sodium hydroxide (NaOH)

Phenolphthalein indicator

Sodium thiosulphate

Potassium Permangnate

Ferous Ammonium Sulphate

Mac Conkey broth

spirit

SUPRIYA DATTA