safety technologyto protect the appliances were installed several sicherheitskreise: foursecurity temperaturbegrenzer (alarmeinheiten) and an adjustableübertemperaturausschalter in each governor shall provide for the protection of the respective heating.furthermore the wasserdurchfluss and the temperature of the water in the cooling systemmonitored. the last two überdrucksicherheitsventile to protect the vesselintegrated. a switch on the upper hood closes the electrical circuit for allheating only in the closed condition of the vessel, so that the heating atprobenwechsel not be activated. to protect the vacuum pumps and thecompressor, motor protective circuit breakers are provided.
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