Waterproof Temperature Data Logger
Look at these features - food grade stainless steel, waterproof, piercing probe models available, can be placed in temperatures up to 257F (125C), small enough to fit in a jar or bottle. If you are in the food business and concerned about HACCP you need these instruments.
Application showcase video: Smokehouse
Video: HT200/220/225 Introduction
Waterproof Temperature Data Logger