Your fridge has a temperature thermostat , but how do you know the correct temperature of 3- 5 deg. °C is being maintained ?
These liquid crystal strips are stuck on to the side of the fridge/Cooler at different heights so you can check the temperatures at different levels.
If you are selling food the fitting of these strips to your fridge/Cooler is bound to impress the food inspector !
The Liquid Crystal Thermometer Strip is a 12mm x 84mm temperature sensitive self adhesive plastic strip with easy peel release paper and 5mm high easy to read numbers.
They have a multitude of uses including:
Monitoring Fridge/chiller cabinet Temperatures
Monitoring Chilled Products in transit
The Thermometer Strip has the following temperature pockets 1-3-5-7-9-11°C
When the temperature is 1°C below the pocket temp the digits are blue.
When the temperature is 1°C above the pocket temp the digits are brown.
Therefore this strip reads from 0 - 12°C