The nick name given to an Instrumentation Technician. The term Tiffy is derived from the Royal
Navy designated tradesmanship "Instrument Artificer" Artificer
later replaced with the term Technician in Petro-Chemical, Pharmaceutical and Oil & Gas Exploration and Production industries.
A
group of Instrument techs are commonly referred to as Tiffy's" or "Tiffies".
Operations supervisor askes the
Maintenance Supervisor... "Can you arrange for a tiffy to inspect the
pressure reading instruments on the reactor column? They appear to be indicating incorrectly.