ANSI C78.682-1997 (R2016)
American National Standard for Electric Lamps - Standard Method of Measuring the Pinch Temperature of Quartz Tungsten-Halogen Lamps
standard by American National Standards Institute, 01/05/2017
ANSI C78.682-1997 (R2016) specifies details of the type of thermocouple to be used to measure the pinch temperature of quartz-tungsten-halogen lamps, the methods of preparation of the lamp and thermocouple, and the measurement to be made.