Prov. Providing Sewerage Scheme to Theog Town, Tehsil Theog, Distt. Shimla HP (SH Providing and fixing Laboratory equipment for Sewerage Treatment Plant 1.15 MLD at Theog.)

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PRE-PROGRAMMED SPECTROPHOTOMETER The Instrument – Specially designed for water analysis applications. The Instrument should be a microprocessor controlled Reference beam Technology visible range spectrophotometer provisioned with Spectral bandwidth: 4 nm Ammonium Test Range 0.010–3.00 mg/l NH4-N 0.013 – 3.86 mg/l NH4 Test: 250 standalone operation with LCD display and touch screen. The microprocessor should be able to store multipoint calibration curves, with facilities for baseline correction, peak area and other statistical calculations and should give absorbance, transmittance, multiple wavelength, Spectra, Kinetic as well as concentration readings. Wavelength scan function with the identification of the most sensitive wavelengths should be available in the instrument. Instruments should come with below readymade kits with the system, Hexvalent Chromium Test Range 0.010 –3.00 mg/l Cr, 0.022–6.69 mg/l Cr04, Test: 250 Nitrate Test Range 1.3–130 mg/l NO3, Test: 100 , Nitrite Test Range 0.002–1.00 mg/l NO2-N, 0.07–3.28 mg/l NO2-, Test: 335 Lead Test Range 0.010–5.00 mg/l Pb, Test: 50 Cadmium Test Range 0.002 - 0.500 mg/l Cd Test: 55 Suspended Solid- No Need of Reagents, Inbuilt Program Measuring technology: Spectrophotometer with reference beam technology Wavelength range: 320 – 1100 nm, Lamp type: Tungstun lamp Measuring modes Concentration, absorbance, transmission, multi wavelengths, spectra and kinetics in absorbance and transmission mode Spectral bandwidth: 4 nm Wavelength resolution: 1 nm (scan 0.1 nm) Wavelength reproducibility: ± 0.2 nm Wavelength accuracy: ± 1 nm Stray light: ≤0.1 % transmission at 340 nm; 1 % transmission at 198 nm Photometric range: ± 3.0 Abs Absorbance resolution: 0.001 Abs Smart Screen Display: Resistive touch screen (Keypad not acceptable) Cell size 16 mm round cells, 10, 20 and 50 mm rectangular cells with automatic recognition should include with system. Cell holder: Removable for easy cleaning Data storage: 2000 single measured values from the measuring modes concentration, absorbance / % transmission and multi wavelengths. 20 measurement result records of spectra and kinetics methods each. Result, date, time, sample ID, user ID ID barcode: Automatic barcode reading system for all Readymade reagent tests, Barcode contains lot, expiry, and calibration data. Data stored with each measurement. Inbuilt validated methods : Instrument is pre-programmed for all water analysis like- Total Organic Carbon (TOC), Arsenic, Fluoride, Nitrate, Iron, manganese, Sulphate, COD, Ammonium etc. Spectrophotometer and Readymade kits must be from same Manufactures. Power supply: Line/ Battery (100 -240V AC / 50-60 HZ ); rechargeable Power consumption: Standard working condition: 15 W; power save mode: 8.4 W Operating Requirement: 10–40 °C (50–104 °F), max. 80% relative humidity

CLOSE REFLUX COD/TOC DIGESTER Pre Programmed Thermoreactor for COD & Other parameter Digester.The instruments is design in a such a way to do digestion of to sample for COD and TOC, as well as of total contents of cadmium, chromium, copper, cyanide, iron, lead, nickel, nitrogen, phosphorus, silver, and zinc. Feature: All digestion programmes required in the waste water analysis field are ready-installed in the unit. Simultaneous digestion of up to 12 samples for 16 cell test at same time, Stability and accuracy: ± 1°C, Cut off: automatic Display LCD display for temperature and time, desired and actual values for heating time and temperature continually shown in the LCD display Heater On/off display (the LED blinks red during the heating phase and is permanently on during the digestion phase), contact guard on the surface of the heating-block Holes: 12 for cell tests 16 mm Controlling accuracy: ±1 °C ±1 digit Heating time: 8 temperature heating-time programmes for simplest possible operation: 148 °C (20 min or 120 min), 150 °C (120 min), 120 °C (30 min, 60 min or 120 min), 100 °C (30 + 60 min), automatic power switch-off at the end of the heating time Mains version/Power: 115 V~ / 230 V~, 50 Hz / 60 Hz convertible Mains version/Power: 115 V~ / 230 V~, 50 Hz / 60 Hz convertible System should be supplied with COD Reagents enough for 170 Tests for both ranges 10 to 150 mg/l and 25 to 1500 mg/l, this Digester and reagents must be from same manufacturer as above spectrophotometer.10 to 150 mg/l and 25 to 1500 mg/l, this Digester and reagents must be from same manufacturer as above spectrophotometer.

BENCH TOP PH METER Bench top Microprocessor pH meter should be unique designed & developed as a complete workstation must include Meter with pH electrode, temperature Sensor, Integral Sensor holder/stand, Standard Solutions: pH 4, 7, 10 NIST Traceable with Certificate User manual for quick start up.pH Range: 0-14 pH pH Resolution: + 0.01pH pH Accuracy: + 0.01pH mV Range: 0 to + 1999mV mV Accuracy +1mV Temperature Range: 0 to 100o C Temperature Accuracy: +1o C Calibration Points- 3 points pH Buffer Options-NIST ( pH 4.00 / 6.86 / 9.18 ) or USA ( pH4.01 / 7.00 / 10.00 )Temperature Compensation: 0 to 100o C, Manual or Automatic Power supply DC 9V, using AC Adaptor 220 VAC, 50 Hz

BENCH TOP CONDUCTIVITY/TDS METER Microprocessor conductivity /TDS meter should be unique designed & developed as a complete workstation. Bench top conductivity /TDS meter should include: workstation with conductivity electrodes, buffers, standards 1413 µS/cm NIST Traceable with Certificate. Conductivity Range: 0-200 mS/cm Conductivity Resolution: ±1% F.S TDS Range: 1,00,000 mg/l Temperature Range: 0 to 100o C Temperature Accuracy: +1o C Calibration Points: 3 points Cell Constant: 0.1, 1.0, 10 adjustable Temperature Compensation: 0 to 50 Deg C, Manual or Automatic Power supply DC 9V, using AC Adaptor 220 VAC, 50 Hz

DISSOLVED OXYGEN METER ( Digital) METER INCLUDES: DO Probe, Membrane Cap, Electrolyte Solution 9V battery & Instruction Manual.dissolved oxygen meter is equipped with a large LCD display.1 or 2 points calibration using the air-saturated water or zero oxygen solution.Automatic Temperature Compensation Data Hold function freezes current reading for easy viewing and recording.Expanded memory stores and recalls up to 45 readings.Stored data can be transferred into computer by USB communication interface. Dissolved Oxygen Range 0.00 to 20.00mg/L Resolution 0.1 mg/L Dissolved Oxygen Accuracy ± 0.5 mg/L Saturation of Oxygen 0 to 200.0% Accuracy +/- 2 % Temperature Compensation 0 to 40˚ C, Automatic Salinity Correction 0 to 35g/L Barometric Pressure Correction 450 to 850 mm Hg, 60 to 112.5 kpa Calibration Point 1 or 2 points Memory 48 Data Points Power supply 9V Battery, Rechargeable Battery with Charger

ANALYTICAL BALANCE System Capacity should be 220 gm & Readability: 0.1 mg Standard Features: Automatic External calibration Conforms GLP and ISO 9001 Stability and accurate results various weighing units like gm, mg, ct etc.Double walled inside chamber of anodized Stainless Steel. Outer chamber of mild steel duly powder coated. Thermostatically controlled from 50° C to 250°C (± 1° C). Beaded heating elements are placed in the ribs

LABORTARY OVEN S.S Thermostat, up to 250 Deg C, Capacity: 350 x 350 x 350 mm, at the bottom and sides. Complete with L-Shape thermometer, two indicators, and thermostat and on/off switch. To operate in 220/230V A.C. Supply, it should be supply with Microprocessors based PID temp. Controller-cum-indicator

MUFFLE FURNACE System should be fitted with good quality tile set, with ceramic fiber insulation .Working temperature upto 1150°C, maximum temperature 1200°C. Outer casing of thick mild steel duly painted/powder coated .Temperature from 50°C to 1150°C is controlled by digital temperature controller cum indicator with E.R.control device Size should be 4” x 4” x 9”

DOUBLE DISTILLATION SYSTEM System should be Horizontal, Double Distillation System capacity should be 3 liter/hours, Biological Activity- Pyrogen free, pH- 6.9-7, Distillation Temp: 65-70 Deg C, it should come with all accessories to run the system.

B.O.D INCUBATOR System should be Double walled inside made of stainless steel and outer of mild steel duly powder coated. Two air circulation fans are provided for uniformity of temperature inside the chamber. Refrigeration is done by CFC free compressor. Temperature from 5°C to 50°C (± 0.5°C) controlled by digital temp. Controller cum indicator. Fitted with unbreakable Acrylic inside door. To operate on 220/230 volts A.C size of the system should be 4CFT (455 x 610 x 410mm), 112 Liters, both power plug 5 Amp and 15 Amp should be inside the system for other uses.BOD Testing Buffers should be supplied with system.

DIGITAL WATER BATH Temperature from ambient 100°C with accuracy of ±0.5°C. Double Walled inside stainless steel 304 Grade and outside of mild steel duly powder coated. Top of the bath and concentric rings are also of stainless steel .To operating on 220/230 volts A.C. Chamber made of Stainless steel and available in following size. Digital Temperature indicator cum controller. 425mm x 325mm x 100mm (12 hole of 75 mm dia)

MEMBRANE FILTERATION ASSEMBLY WITH VACUUM PUMP Member on filter Assembly with flask SS Filter Complete assembly consists of filter glass Funnel with S.S. Clamp . Suitable for Filter Dia 47 mm testing through vacuum filtration. Supplied With vacuum Flask capacity 300 mL Vaccum pump of capacity 15 liter/hr and Filter paper pk/100 should be supply with system.

Refrigerator Refrigerator with voltage stabilizer of 165 litres capacity

Magnetic Stirrer Magnetic Stirrer 1 litres capacity with hot plate complete in all respect

DESICCATORS Desiccators, with cover and porcelain plate, plastic knob 150mm

Burette, 50ml

Burette stand

Conical Flask, 250 ml

Conical flask, 500 ml

Measuring cylinder, 100 ml

Measuring cylinder, 500 ml

Measuring cylinder, 1000 ml

Beakers, 250 ml

Beakers, 500 ml

Reagent Bottles, 500 ml

Nessler Tubes, 50 ml

Nessler Tubes, 100 ml

Volumetric Flask, 100 ml

Volumetric Flask, 250ml

Volumetric Flask, 500 ml

B.O.D. Bottles, 300 ml

Thermometer (0-110 *C)

Wash Bottle, 500 ml

Automatic pipette 10 ml

R D Eco Paryavaran

Dogra Construction Company Pvt Ltd