Instrument Markings and Symbols
The following table explains the symbols used on Thermo Finnigan instruments. Not all of them are used on the TRACE GC Ultra gas chromatograph and Valve Oven.
Symbol | Description |
Direct Current
Alternating Current
Both direct and alternating current
3
Earth (ground) terminal
Protective conductor terminal
Frame or chassis terminal
Equipotentiality
On (Supply)
Off (Supply)
Operating Manual | vii |
