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Verify food safety processes with Testo’s cook and cool validation data loggers, designed to accurately monitor temperatures throughout cooking, cooling, and freezing stages. These specialized validation systems help food manufacturers, commercial kitchens, and food service operators meet HACCP requirements while providing documented evidence of temperature compliance. With precise measurements and easy-to-analyze reporting, Testo makes cook and cool validation simple and reliable. To support broader food safety monitoring, explore our or browse our .Frequently Asked Questions
What is cook and cool validation used for?
It verifies that cooking, cooling, and freezing processes reach and maintain safe temperatures, giving documented evidence for HACCP compliance. Combine it with our Food Instrument Calibration service to keep results accurate long-term.
How accurate is the CoolValid logger?
The CoolValid data logger has an accuracy of +/- 0.5°C, with memory for up to 1 million readings.
What's included in the CoolValid kit?
The full kit includes software, a general purpose probe, USB cable, calibration certificate, wall holder, padlock, and batteries, plus a 2-year warranty.
Can I replace the probe if it wears out?
Yes, replacement probes are available, including a general purpose probe and a multi-purpose Cool Valid Plus probe.
Can I return a CoolValid kit if I change my mind?
Yes, within 30 days of purchase, provided it's unused, in its original packaging, and you have your receipt.

