3B Scientific™ Premium Heater for Franck-Hertz Experiment

Description

• Also determines excitation energy of mercury resonance line (61S0 – 63P1), which is 4.9 eV Highly evacuated electron tube containing mercury in a heating chamber Heat electron tube in chamber to generate required mercury vapour pressure to achieve high probability of collisions between electrons and mercury atoms Electron tube with plane parallel electrode system consists of an indirectly heated oxide cathode with aperture, grid and collecting electrode Front plate printed with tube symbol Electric heating chamber with continuous temperature control and digital temperature display shows actual and set-point temperatures Lacquered metal housing has two observation windows, opening with spring clip for thermometer and thermally insulated carrying handle Integrated microcontroller and Pt100 thermocouple for temperature measurement and control Electrical Requirements: 115V, 50/60Hz Specifications: Heater voltage: 4 to 12V Grid voltage: 0 to 70V Suppressor voltage: 1.5V approx
• Tube dimensions: 130 x 26mm dia
• approx
• Heater output: 400w Temperature range: 160° to 240°C Temperature constancy: ±1°C approx
• Overall dimensions: 335 x 180 x 165mm 3 approx
• Weight: 5.6kg approx.