Purpose: For educational purpose to train technologists and engineers on how to operate UV-Vis equipment to analyze the chemical structure of substances in water and sediment samples.

System Design: Working Mode: PC controlled, scanning type

• Optical System

• Sealed optical system against dust & vapor

• Reflecting mirrors coated with quartz

• Double Beam with samples and reference cell holder

• Monochromator :

• Czerny Turner mounting

• Grating should be : 1200 lines/mm or better

• Wavelength Range :

• Range : 190nm to 1100nm or better Resolution : 0.1nm

• Spectral Band Width : Band width: 0.20–4.00 nm, Variable width 0.1 nm steps

• Scanning Speed :

• Speed: 10,000 nm/min or more Scan interval: 0.1nm ? Wavelength accuracy ± 0.03 nm or better

• Wavelength reproducibility: ± 0.01nm or better

• Photometric Linear Range 4 Abs or better

• Photometric Stability <0.0004 Abs or better

• Photometric noise ≤0.0001 Abs or better

• Sample compartment : Shall support one for reference cell holder &

• multi cell sample holders / Cuvette /

• Sample compartment access Top & front

PC / Software / Data processing:

• 3. PC with printer should be supplied along with the instrument.

• Supplied PC compatible for operation & monitoring of the instrument.

• High resolution LCD color display

• 4. Software related

• Licensed software should be provided, Microsoft Windows operating platform with easy user interface

• Basic software for device control & data analysis.

• Easy and user adapted data-base transfer to external software for further processing.

• Data storage to be provided for all data.

• Instrument software shall include

• Self diagnostic feature.

• Software shall include quality control protocols as well.

Accessories:

• The UV-Vis should be provided with necessary accessories. The presence of these accessories should not limit or restrict our usage as independent equipment.

• Example

• Branded PC – with preloaded window

• Printer

• Color LCD monitor

• Diffuse reflectance Accessories, Specular reflectance accessories, Reference Standards, Magnetic Stirrer, Miniature Stirrer systems

• Not less than 6 sets of quartz cuvette to be offered

• Offered accessories to provide extra capabilities

Consumables & Spare parts:

• The UV-Vis should be provided with necessary consumables. The presence of these consumables should not limit or restrict our usage as independent equipment.

• Start up kit of Glass wares & Consumables for two years operation as recommended. A list of spares included with the equipment, sufficient number of rapidly wearing & consumable parts are to be included to cover the guarantee period

• Example :- Absorbance / Transmission / Calibration Filters, UV- VIS-Cuvette / Cell all types, D2 & Visible lamps compatible to the equipment, Considering expiry date.

Power requirement:

• 220V, 50Hz for single phase,
• IEC World plug type F or EEC3/7 (Schuko)

Warranty: 2 years starting from the date of acceptance testing approval

Installation and commissioning: The equipment shall be installed, configured, and thoroughly tested by the manufacturer before handing over.

Training: Training of users in operation and basic maintenance are to be provided for 3 days, 8 hours a day

Technical Documentation: User, installation and maintenance manuals shall be supplied in English language