For chilled products, what counts is not just the current temperature but its history. Machines can record it.
Many refrigerated machines store sensor temperature readings in the controller's memory and – if connected – send them to the operator's system. When the temperature passes a set threshold, the controller logs an alarm, can block certain products, and alerts the operator. The reading history helps assess what happened to the products.
What is recorded
- Current temperature in each zone.
- Threshold breaches and how long they lasted.
- Power cuts.
- Door openings.
What the data is for
The operator uses it within its own food safety procedures and to diagnose cooling issues.
Refrigerated devices
Temperature logging matters especially in vending coolers (publisher's site) with sandwiches and meals.
FAQ
Can customers check the temperature? Sometimes it shows on the display. The operator has the full history.
What happens after a temperature alarm? Depending on settings, the controller blocks sales and the operator acts per its procedures.