Bell Instruments refers to a category of devices used to measure various physical properties, often in scientific and industrial applications. These instruments can include items like pressure gauges, thermometers, and sound level meters, which help in monitoring and analyzing different environmental conditions. The name "Bell" may also relate to the Bell System, a historical telecommunications company known for its innovations in communication technology. While not directly linked to measurement instruments, the Bell System contributed significantly to the development of electronic devices, including those used in telecommunications and data transmission.