Several safety circuits were installed to protect of the measuring equipment: four safety temperature limiter (alarm units) and an adjustable excess temperature switch in each control provide for the protection of the respective heating. Continue to monitor the water flow and water temperature in the cooling system. Most recently, two pressure relief safety valve for the protection of the pressure vessel are integrated. A switch on the top Cap closes the electrical circuit for all heaters only in the closed state of the pressure vessel, so that the heaters when changing the sample can not be activated. Motor protection switch were intended to protect of the vacuum pump and compressor.
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