- Equipment is the machine that's processing the work and the instrument is to measure the data that comes out of the machine to get feed back of the machine and the process.
- Equipment used for a specific work and instrument is measuring parameters. Like temperature and pressure.
- Instruments are part of equipment, number of instruments comprises a equipment.
- Equipment is processing (attach with large assembly) device but instrument is measuring device (small assembly).
Example :
Autoclave is a equipment and in autoclave pressure gauge and temperature sensor is an instrument.