Catching a problem like this during routine inspections or after maintenance can catch a problem early, before it causes expensive downtime. If a pump stops working or starts to wear, this can cost a factory much needed time. Here a plastic molding machine shows temperature variations on the metal die. Friction is a machine's nightmare, and an engineer or technician would do anything to avoid it. As bearings wear with time, they begin to slow machinery and create unneccessary heat.
Monitoring changes over time can help predict when maintenace needs to be performed.
Neither too soon, nor too late. Saving the costs of unnecessary maintenance. This is an image of the inlet to a water heater. As you can see, at this joint there is a significant temperature change in the corner. A technician used this information to determine that the L-shaped fitting was blocked.