PURCHASE OF PHYSICS LAB EQUIPMENTS

Amount

Purchase of

Combination Deuterium Tungsten halogen Light’s Source, 200-2500nm, Specifications: See-through deuterium Electrode with Halogen lamp placed beyond for single beam from 200-2500 nm. Spectral Range : ~200-2500nm Deuterium Bulb Lifetime: 1000 Hours Tungsten –Halogen Bulb Lifetime: 10000Hours Power Consumption: 25-30 Watts Stability: Peak-to-Peak-0.05% (Maximum) Drift Of :+/-0.5% Hours Aperture : 0.5 mm(at lamp) Connector: SMA905 Lamp Voltage: 85 volts DC (Nominal) Operating Lamp Current: 300 mA Dc(+/- 1mA) Outputs : Level For lamp (on/off) Filament (on/off) Power Requirements: 240 Volts AC @ 0.20 A, 50-60 Hz

Xenon-Arc lamp set Specification: 1. Light source: (Including Housing, Power supply, Bulb) F1 condenser optics 100/240 V, 50-60 Hz Universal Input power supply 2. Bulb: Internationally reputed bulb i. Ozone Free Lamp ii. Color temperature: approx. 6000 K (Daylight) iii. High arc stability iv. High color rendering index: Ra>95 v. Hot restart capability 3. Bulb life: 1000 Hrs or higher 4. Power: 300 W or higher 5. Spectral range: 200 nm to 2000 nm 6. Beam diameter: 50 mm (variable) and 7. The set up should have inbuilt facility to adjust the intensity of the light. 8. Light output: Horizontal 9. The quoted standard model should have a. inbuilt proper cooling arrangement for the bulb and b. As an accessory: Proper UPS/ battery arrangement with back up of atleast 15 minutes as per the power requirements for the set up.

c. As an accessory: 90˚ Mount, full reflector. d. As an accessory: proper optical wave guide arrangement. e. As an accessory: Filter holder and long pass filter for cutting away UV part of spectrum. 10. Appropriate two band pass filter for getting suitable frequency of light within Visible light only may be quoted separately as an optional item. 11. An additional Xe-arc bulb as a spare should be quoted as an optional item. 12. All the above accessory will be considered as part of standard equipment. But the optional items should be quoted separate. 13. As part of the documents, include following spectra for the full range of frequency of the bulb: i. At the output of the source ii. At the output of the optic fibre (in case relevant) iii. At the output of the 90 degree beam turner