Calorific testing of electro. mechanical device

[alansimpson]

Could anybody recommend a device or system to measure amount of heat energy given off or absorbed by a machine which usually runs under normal room conditions.

This device would precisely measure small amount heat (mJ.) given off or absorbed by electro-mechanical device running in air, gas or even vacuum environment . Approx. 30L in volume.

 

[btrueblood]

Alan,

Wouldn't it be easier to measure the input energy (electrical, steam, whatever) and assume it's all expended to heat eventually by the machine?

Alternatively, enclose the machine in a styrofoam box, and measure the temperature rise over time with several RTD sensors. q = m*Cp*dT