A special liquid thermometer for refrigerators and freezers, showcases, chests and homeowners' cellars is used to control the ambient temperature. Measurements are carried out in the range from -30 to +40 degrees.
The HOA thermometer requires periodic checks. It is carried out every 36 months of operation. The thermometer is initially checked by the manufacturer. A passport is provided for each product, which indicates the parameters of the first check.
Thermometers of the HOA modification consist of a plastic base and a glass capillary. Measured markings are applied to the base. The price of one division is 1 degree. Organic liquid is used in products. It is safe for humans and the environment.
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