76175531
Dec 5, 2000
Oct 21, 2003
Temperature transmitters; signal isolation amplifiers, signal transmitters, signal isolators, signal calculators, signal repeaters, signal converters, trip amplifiers, signal controllers, power supplies voltage regulators, transformers, digital and analog interfaces, and programming units for the foregoing; resistors, potentiometers, relays, optical communication interfaces, electrical connectors, meters and display units for such meters and for general use
Electrical and Scientific Apparatus