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 For temperature distribution and heat penetration testing the following information may be required
Cooker information
  • Number of retorts/cookers to validate? Number of baskets per retort?
  • Number of layers per basket? Number of products per layer?
  • Retort/cooker Manufacturer? What is the heating medium (e.g. steam, hot water)?
  • Is your process static or rotary?
  • Are the baskets and retorts/cookers loaded automatically or manually?
  • If loaded automatically, is it possible/easy to stop the line to position a probe within the load?
  • Have the retorts/cookers been tested before? If so, when?
  • How many different retort/cooker programs do you need to test (i.e. hold time/temperature combinations)?
  • How long is a cooking cycle? (including come-up, hold and cooling time)
  • Will we have to work around a production schedule or will the retorts/cookers be free to use until the work is complete?
  • Is it possible to produce a dummy load of packs filled with waste product for the purposes of the temperature distribution trials?
Product information
  • Number of products? Product description? (e.g. Beans in tomato sauce)
  • Number of Pack types to be tested:
  • Type of Packaging: e.g. trays, pots, cans, pouches?
  • Pack size (e.g. 300g)
  • Product specifications               
  •  pH (if pH controlled), aw(if aw controlled), storage condition? (e.g., ambient stored? Chill stored?)
  • Shelf-life
  • Any particles above 10 cubic mm?
  • Maximum particle size?
  • Any frozen particles?
  • Is the product vacuum packed?
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