Need Advice on SENSORS for a project

[HenrikOlsson]

Hi,
You're not saying what type of accuracy or repeatabillity you want. 10m is quite a bit if you're looking at 0.001mm resolution, not so much with 1mm resolution etc. Perhaps a draw wire potentiometer is an option (other names for the same thing exists). Or you might want to have a wheel riding along same the surface as the crane, this wheel is coupled to a 10 or 20 turn pot. Or you can use an absoulte (or perhaps even an incremental) encoder incorporated in the cranes existing wheels, or.....

For the tilt angle it again depends on the accuarcy and resolution and (but certainly not least) the mechancis to which it's going to be mounted. Perhaps a simple pot might do, or perhaps some sort of encoder ((incremental or absolute) optical, magnetic, capacitive etc), or perhaps an acceleromter will do?

/Henrik.