Department Of Higher Education

Department Of Higher Education has published Tender For Purchase Of Equipment , Spectrofluorometer , • Optical System And Monochromator: Optical Design: Single/Double Monochromator Using Holographic Concave Grating - Excitation & Emission Range: Zero Order, 200 Nm To 750 Nm (Or) Better - Wavelength Accuracy: Should Be At Least +/-1.5 Nm (Or) Better - Wavelength Repeatability: +/- 1.0 Nm (Or) Better - Spectral Bandwidth (Slits): Variable And Minimum Should Be 1, 2.5, 5,10,20, L5, L10Nm On Both Excitation And Emission Monochromators - High-Order Diffraction Removal: Automatic Software-Controlled Higher-Order Diffraction Cut Filters Must Be Provided As Standard On Both Channels. • Light Source And Detection Light Source: High-Stability, Long-Life 150 W Ozone-Free Xenon Annual Rate Contract Lamp With Shielded Lamp Housing (Rated Lifetime ≥ 3,000 Hours).- Validation Standard: Built-In / Integrated Mercury (Hg) Lamp For Automatic Wavelength Calibration And Instrument Validation.- Photofading Protection: Automatic Software-Controlled Shutter System To Protect Sensitive Biological Or Chemical Samples From Photobleaching During Idle Periods. - Detectors; Excitation Channel: Silicon Photodiode For Real-Time Reference Monitoring. Emission Channel: High-Performance, High-Sensitivity Photomultiplier Tube (Pmt). Sensitivity (Signal-To-Noise): Water Raman Peak S/N Ratio ≥ 8,000 : 1(Rms) • Performance & Measurement Capabilities -Wavelength Scan Speed: 10 To 20,000 Nm/Min (Or Better). - Slew Speed: 30,000 Nm/Min Or Better. - Photometric Range: -10,000 To +10,000 Or Wide Dynamic Range (≥6 Orders Of Magnitude). Software Package: Windows 10/11-Compatible Control & Processing Software Supporting: 2D & 3D Excitation-Emission Matrix (Eem) Scanning, Fixed Wavelength & Multi-Wavelength Kinetics / Time-Course Decay, Synchronous Scan Mode (Constant Wavelength And Constant Energy), Relative Quantum Yield Calculation, Absorbance Measurement & Automatic Spectral Correction, Instrument Self-Diagnostics And Auto-Accessory Recognition • Sample Compartment & Accessories - Liquid Sample Handling: Standard 10 Mm Rectangular Cell Holder Assembly. Must Include 1 Pair (2 Nos.) Of Quartz Fluorescence Cuvettes (10 Mm Path Length, 3.5 Ml Volume, 4-Sided Polished Windows) With Ptfe Stoppers/Lids. Solid/Powder Sample Handling: Dedicated Solid/Powder Sample Holder For Thin Films, Powders, And Opaque Substrates. Temperature Control: Provision/Capability To Integrate A Peltier-Based Thermostatted Cell Holder System. Expansion Options: System Must Support Future Upgradeability To Micro-Volume Cell Holders (Up To 5Μl). • Warranty & Delivery Terms: Warranty: Minimum 3-Year Comprehensive Warranty On The Complete System Including Light Source And Accessories From The Date Of Successful Installation. Installation & Training: Free On-Site Installation, Demonstration, And User Training By Factory-Trained Service Engineers.. Last date of submission for this tender is 2026-09-02. This is a Scientific Equipment tender in Coimbatore, Tamil Nadu