PORTABLE INSTRUMENT FOR DETERMINING CRYOSCOPIC TEMPERATURE AND WATER ACTIVITY IN HIGH MOISTURE CONTENT FOOD PRODUCTS Russian patent published in 2011 - IPC G01N33/02 

Abstract RU 2412437 C1

FIELD: physics.

SUBSTANCE: proposed device comprises thermoelectric refrigerator built around Peltier element with freezing indenter made up of two parallel plates made from heat conducting material. Note here that cold junction of needle thermocouple is arranged between said plates with its hot junction built in the device case or chassis. Besides, proposed device comprises thermoelectric compensator for needle thermocouple, electric defrosting system, control board, thermocouple signal processor, indication and power supply unit made up of small-sized storage battery and automatic charging device.

EFFECT: fast response, reduced weight and sizes, higher reliability.

1 dwg

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RU 2 412 437 C1

Authors

Juzov Sergej Gennad'Evich

Dates

2011-02-20Published

2009-10-30Filed