Patent ID: 7935306

Claim:
A system for measuring processing values in a sealable process chamber defined by metallic walls and a seal, wherein the process chamber is closed and sealed after material to be processed is placed within the process chamber, said system comprising; a plurality of sensors, each of said sensors configured to detect a respective measured value within the sealed process chamber; a separate respective data logger associated with each of said sensors, said data loggers configured for disposition with the sealed process chamber to receive and store the measured values from said sensors; each said sensor and associated respective said data logger disposed within a separate common respective housing, wherein said plurality of housings are configured for disposition at different physically separate locations within the process chamber; at least one wireless transmission device configured for disposition within the sealed process chamber and alternating transmission of the stored measured values from said plurality of data loggers through the seal at predetermined time intervals during an ongoing process within the sealed process chamber; and a receiver unit configured for disposition outside of the process chamber to receive the transmissions from said wireless transmission device through the seal in the sealed process chamber.