Temperature instruments use contact or noncontact methods to measure temperature.

Digital I/O devices process digital signals (e.

Digital video recorders record and store video camera output in digital form on disk

Serial data converters are used to interconnect two different serial standards, such as RS232 to RS422, USB to RS232, etc

Data acquisition I/O modules or cards have both input and output functionality.

Data acquisition input modules accept sensor and other signal output for data acquisition systems.

Digital pressure gauges use electronic components to convert applied pressure into usable signals.