An explosion proof electrical feedthrough assembly is provided in a process variable transmitter which has a sensor sensing a process variable and providing a sensor output signal indicative of the process variable. The transmitter also includes a processing circuit coupled to the sensor to receive the...http://www.google.fr/patents/US5954526?utm_source=gb-gplus-shareBrevet US5954526 - Process control transmitter with electrical feedthrough assembly
Process control transmitter with electrical feedthrough assembly