How important is the refrigerator alerting system in the food industry?

p class=MsoNormal style=line-height: normal; margin: 6.0pt 0in .0001pt 0in;span style=font-size: 12.0pt; font-family: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; color: #1c1e29;Refrigerator alerting systems are just simple circuits that are necessary to alert when the refrigerated, as well as frozen food, are at risk. Humidity monitors will indicate when the temperature crosses the pre-defined value. Temperature information is easy to access through an internet connection./span/p