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- Sep17Grantwood Golf Course, Solon, Ohio
- Hello Mr. Lua,
First you need to purchase a portable, precision thermocouple type temperature monitor certified for accuracy by your government standards and traced right back to the World SI standards. It should also have a sticker on it verifying same and showing when the next calibration date is due.
Then you go around to each extruder and, while hot, check the thermocouple output of each zone and other temperature indicator such as the melt temperature. The portable temperature monitor should fully agree with each temperature monitor or controller on the extruder. Them you place a calibration sticker on each temperature controller or monitor on the extruder indicating that it has been calibrated and indicating that it must be renewed again in one year's time.