An analyser (spelt analyzer in AmE) is a device that analyses given data. It examines in detail the structure of the given data and tries to find patterns and relationships between parts of the data. An analyser can be a piece of hardware or a software program running on a computer.

Types of analysers

• Differential analyser – early analogue computer
• Spectrum analyser
• Vector signal analyser
• Automated analyser
• Quadrupole mass analyser
• Network analyser
• Protocol analyser (packet sniffer)
• Bus analyser
• Logic analyser
• Lexical analyser
• Chaos Data Analyser (CDA)

Measuring instruments