I honestly think putting a thermometer inside the unit is an excellent idea. I sent the following note off to Harvest Right Support in an effort to gain a little better understanding of the process.
The ideal vacuum pressure and drying temperature is maintained for each material—preserves freshness and potency
The current and emerging food crisis in the United States has millions of Americans very concerned about the future. From supply chain shenanigans to food processing plants “inexplicably” being compromised to bird flu decimating the poultry industry, it’s pelo wonder there has been a sharp rise in the “prepper” food industry.
I have one of those hand held heat guns (inexpensive from HF), but I was afraid of accidently burning the insulation. My gun gets very hot! I do the same technique with a fan, shock the ice and listen for the cracks as it separates from the chamber wall.
It freezes the product and lowers pressure to remove ice by sublimation. Sublimation is the transition of a substance directly from the solid to the gas phase without passing through the liquid phase.
22F, achieved by dividing 9 hours by 110F (the difference in food temps). We both know that the FDer doesn't do linear as the temps fall faster early on and slowly peak to max low temps, but the food freeze time might be a tad more linear than the FDer as food is denser and must be frozen throughout.
Freeze drying isn’t my only preservation method, but it’s my favorite. Keep the skills of canning, dehydrating, fermenting and more in your pocket so you have various ways of preserving food. They all have their pros and cons but none should be ignored.
What I presume was happening was that condensation was building up on the cooling coils between the insulation and the chamber and freezing. When I finally turned the FDer off it took 3 days for the ice buildup to melt and slowly soak through the insulation and drip onto the counter.
This is why so many people are buying their own freeze dryers to use at home. The market is essentially cornered by Harvest Right, which isn’t a bad thing since their quality and customer service are both superb.
.. Hence the vapor barrier. But once I opened it up I figured I may as well insulate the bare ports as well, and insure that the water was diverted away from the electrics of the system. Once I sealed up the insides I noticed that the condensation on the front panel increased dramatically as the air was trapped between the plastic vapor barrier and the back of the front panel. That was when the drip rail was installed on the front of the unit.
The right drier for the job, regardless if harvest right Canada it is for mass industrial use or small batch pharmaceutical ones, can dramatically increase productivity, minimize waste, and save money in the long run. In this article, the process and techniques of freeze drying, the necessary features when picking a freeze dryer, the use of it in pharmaceuticals and food, and the future of the industry are discussed.
6) The first place was the cold return line into the compressor. It had insulation, but a second layer helped stop the constant drips. I used black electrical tape to secure the foam.
Forgive me for the extremely long post but I thought other southerners may also face this problem and could use this information.
The food options we had there were extremely limited and full of preservatives. To counter that, my buddy Lance went in with family members on the purchase of a freeze dryer for home use.