List what you measure in and with
List every unit that cooks, cools, holds or stores food, and every thermometer, with a unique identifier that's marked on the item.
Staff can point at oven 2 and find it on the register, and its name on the record means the same oven.
Two chillers are both called "the ", so nobody can tell which one a failed batch was in.
Keep a list of the equipment and where it is, with an identification code and due date. Include the equipment your depend on before anything else.