The Constant Volume Thermometer or Charles’ Law 1m with Spare Parts proves Charles' Law by maintaining constant air volume while adjusting the mercury column according to known temperature. This creates the relationship between air pressure and temperature. This a reliable instrument for conducting experiments on gas temperature and pressure.

*requires approx. 150g of distilled mercury (not included) 

Kit Includes:

• 1 x Long aluminum rail complete with 1m scale and end cap. The scale has a transparent cover to permit marking and wiping clean by students
• 1 x Steel base
• 1 pkt 2x Bolts, washers & nuts for sliders. 4 x Screws to mount rail to base
• 2 x Aluminum sliders complete with clips for glass
• 1 x Glass tube with open end
• 1 x Glass tube with reference mark and bent leg
• 1 x Thin walled glass bulb approx. 50mm diameter (‘Jolly bulb’)
• 1 x Rubber joining piece
• 1 x ‘L’ shaped wire support leg for glass tubes
• 1 x Rubber loop to hold glass tube to the ‘L’ shaped support
• 1 x Wire frame for supporting a beaker
• 1 x Glass beaker, 400ml
• 1 x Rubber hose (for mercury) to join glass tubes, 1m long x 3mm bore

Read Instruction Sheet