I still remember the first time I had to choose between a strain gauge and a torque sensor. It was a cramped motor lab. Old bench. Coffee gone cold. The project manager wanted answers by Friday. On paper the choice looked simple. In the real world it never is. Every project has its own personality. Speed. Budget. Accuracy. Abuse level. And usually a deadline that doesn’t care about any of that.
If you have spent time around test stands and factory motors you know this dilemma well. Torque measurement sounds straightforward until you actually have to do it. That is when questions start piling up. How accurate do we really need to be. Will this thing survive vibration. Can we install it without tearing the whole setup apart. And the big one. Will it still read the same after six months of h ...
