This is the best indicator to control the freezing temperature. This indicator is essential as the exposure of chemicals, paints and vaccines to cold temperatures may cause irreversible damage. This nofrost sensor detects any temperature drop, records and alerts on the freezing of materials.
You just have to stick it to the surface of the material subject to control and it changes colour when the temperature drops under the critical point marked on the product itself. This change is permanent. This allows to check later if the thermal conditions of the material have dropped below the level under control.
Tempasure temperature indicator is a sensor recording any temperature drop under certain value by a colour change.Tempasure nofrost sensor