Description

The Apparatus Consist of The Following:

• Photo Sensitive Device: Vacuum Photo Tube.
• Light Source: Halogen Tungsten Lamp 12v/35w.
• Colour Filters: 635nm, 570nm, 540nm, 500nm & 460nm.

Accelerating Voltage: Regulated Voltage Power Supply

• Output: (+-)5V Continuously Variable Through Multi-Turn Pot
• Display: 3 1/2 Digit 7-Segment Led
• Accuracy: (+-)0.2%

Current Detecting Unit: Digital Nanoammeter It Is High Stability Low Current Measuring Instrument:

• Range: 1000 Microa, 100 Microa, 10 Microa & 1 Microa With 100% Over Ranging Facility
• Resolution: 1na At 1 Microa Range
• Display: 3 1/2 Digit 7-Segment Led
• Accuracy: (+-)0.20

Power Requirement: 220v (+-) 10%, 50hz

Optical Bench: The Light Source Can Be Moved Along It To Adjust The Distance Between Light Source And Phototube. Scale Length Is 400 Mm. A Drawtube Is Provided To Install Colour Filters, A Focus Lense Is Fixed In The Back End.