SU800871A1 - Device for determining water activity in foodstuff - Google Patents
Device for determining water activity in foodstuff Download PDFInfo
- Publication number
- SU800871A1 SU800871A1 SU792742467A SU2742467A SU800871A1 SU 800871 A1 SU800871 A1 SU 800871A1 SU 792742467 A SU792742467 A SU 792742467A SU 2742467 A SU2742467 A SU 2742467A SU 800871 A1 SU800871 A1 SU 800871A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- foodstuff
- water activity
- distilled water
- liquid manometer
- determining water
- Prior art date
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Description
1one
Изобретение относитс к технике контрол и регулировани процессов пищевых производств, в частности к устройствам дл контрол качества пищевых продуктов.The invention relates to a technique for monitoring and regulating food production processes, in particular, to devices for food quality control.
Известно устройство дл определени активности воды в пищевых продуктах , содержащее емкость дл пробы и термометр, установленный в этой емкости 1.A device for determining the activity of water in food products is known, which contains a sample container and a thermometer installed in this container 1.
Недостатком данного устройства вл етс то, что оно неточно, а врем вьадержки до равновесного состо ни весьма длительно (несколько суток), что приводит к изменени м свойств пищевого продукта и к биологическому разложению.The disadvantage of this device is that it is inaccurate, and the time it takes to equilibrate to a state of equilibrium for a very long time (several days), which leads to changes in the properties of the food product and to biological degradation.
Цель изобретени - повьииеине точности определени . The purpose of the invention is to determine the accuracy.
Указанна цель достигаетс тем, что устройство дл определени EIKтивности воды в пищевых продукта снабжено емкостью дл дистиллированной воды с термометром, жидкостным манометром, вакуум-насосом и потенциометром , при этом последний соедине н с термометрами, а жидкостной манометр - с вакуум-насосом и с емкост ми дл пробы и дистиллированной воды , причем все емкости и жидкостнойThis goal is achieved by the fact that the device for determining the water EIKtivnosti in food products is equipped with a container for distilled water with a thermometer, a liquid manometer, a vacuum pump and a potentiometer, the latter being connected to thermometers, and a liquid manometer with a vacuum pump and tank. MI for sample and distilled water, all tanks and liquids
манометр закреплены в термоизол ционном кожухе.The pressure gauge is fixed in a thermal insulation casing.
На чертеже схематически изображена предлагаема установка.The drawing shows schematically the proposed installation.
Установка состоит из стекл нного жидкостного манометра 1 с кремнеорганической жидкостью. Оба колена манометра заканчиваютс вакуумными кранами 2 и 3. Кран 2 служит дл соеди0 нени колен манометра друг с другом. Кран 3 - дл откачки воздуха из установки . Оба колена манометра соединены с емкост ми 4 и 5 шлифовыми соединени ми . В емкости 4 находитс ис5 следуемый продукт 6, в емкости 5 дистиллированна вода 7. В воду и в продукт опущены термометры 8 и 9, которые соединены с потенциометром 10 дл измерени температуры воды и про0 дукта. Емкости 4 и 5 и жидкостной манометр 1 закреплены в термоизол ционном кожухе 11.The apparatus consists of a glass liquid manometer 1 with a silica fluid. Both bends of the gauge are terminated with vacuum taps 2 and 3. The tap 2 serves to connect the bends of the gauge with each other. Crane 3 - for pumping air from the installation. Both bends of the pressure gauge are connected to the containers 4 and 5 by grinding joints. In tank 4 there is a product 6 under study, in tank 5 there is distilled water 7. Thermometers 8 and 9 are lowered into water and into product, which are connected to potentiometer 10 for measuring the temperature of water and product. The containers 4 and 5 and the liquid manometer 1 are fixed in a thermal insulation casing 11.
Кран 3, который служит дл откачки воздуха из установки,соединен с A crane 3, which serves to pump air from the installation, is connected to
5 ловушкой 12 и вакуум-насосом 13 с электродвигателем 14.5 trap 12 and a vacuum pump 13 with an electric motor 14.
Устройство работает следукадим образом .The device works in the following way.
В емкость 5 наливают дистиллиро0 ванную воду, в емкость 4 кладут исDistilled water is poured into the tank 5, and the
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792742467A SU800871A1 (en) | 1979-03-26 | 1979-03-26 | Device for determining water activity in foodstuff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792742467A SU800871A1 (en) | 1979-03-26 | 1979-03-26 | Device for determining water activity in foodstuff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU800871A1 true SU800871A1 (en) | 1981-01-30 |
Family
ID=20817692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU792742467A SU800871A1 (en) | 1979-03-26 | 1979-03-26 | Device for determining water activity in foodstuff |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU800871A1 (en) |
-
1979
- 1979-03-26 SU SU792742467A patent/SU800871A1/en active
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