Numerous sensors for each physical quantity are commercially available today. Yet, have you ever heard of a sensor that is able to sense more than just one? RVmagnetics MicroWire is the only sensor that can measure several physical quantities at once (e.g. temperature + pressure). And what's even better is that you need just one interface.
If you are looking for solution that off the shelf sensors cannot provide, you do need a unique, customized solution.