School Lab Joules Calorimeter Set

School Lab Joules Calorimeter Set

A spare cap included for when an experiment does not require heat. 
Stirrer and stopper included. No thermometer included.  
Precision heating element and custom made foam plastic heat insulation.  
made up of a 1% resistance tolerance 2W resistor mounted on nickel plated brass poles. 
It is a 1% resistance tolerance 2W resistor conveniently mounted on nickel plated brass poles by means of a transverse screw. 
Inner vessel aluminium 70 x 65mm. 
Precision heater is 12W. 
Outer vessel plastic 110 x 100mm.