Not only does it spread the cost, but it can also increase the amount and variety of the preserved food you store away. Additionally, a group purchase can also lead to purchasing bulk quantities of food to freeze dry.
Harvest Right has created the world’s first high quality, affordable Home Freeze Dryer. It is less than one quarter the cost of comparable freeze drying systems, and is easier to use than a microwave.
Reattached hose and ran another full system test (results, 750 mTorr lowest steady reading - looking through the oil level window, some bubbling seen in oil even after an hour of pumpdown - some "air" noises from pump)
You cannot run a good commercial kitchen without plenty of food. Commercial walk-in coolers are needed for keeping a lot of food chilled. If you’re running a very large scale operation, then a standard-sized refrigerator will not be enough.
I would prefer those fittings to have internal O rings and knurled thread on ports (similar to R134a vacuum gauge sets) that do not require high torque compression fittings. Finger tight and you are good to go. You spot a leak, change the O ring and you're back in business.
It's awesome! I don't have a freeze dryer yet but am planning to place an order tomorrow. I am super curious how Kerry's scroll pump is holding up... eliminating the oil from the equation would make this whole thing SO much easier.
I'll be looking forward to hearing about the weird and wonderful items you produce. Should be an interesting learning curve.
Now that you understand the conditions, you can better understand what happened when we finally turned off our FDer after an extended use in these conditions.
Oil Mist Filter: Both pumps come with an oil mist filter. However, the Premier Pump’s oil mist filter allows for no oil spray at all and it will last much longer.
While I had the unit apart to replace the display I decided to correct the water condensation problem. If you find yourself using Buy Now your FDer in the same conditons as we do you may want to consider modifying your FDer to keep the condensation from your FDer control circuit and display cards. Here are the steps that I followed to minimize what the NC high humidity climate does to my FDer.
Steam cooking is healthy for you, and also fast and efficient. It also presents a ideal way of keeping cooked food warm without drying out.
and this piece was placed on the vacuum hose fitting. I can still remove the panel without removing the hose to clean the coils. Simply remove the screws and slide the panel down the vacuum hose a few inches.
I am looking for a more defined "heuristic" curve based upon the internal temperature. I am sure that your engineers probably have tables for such things. I also know that different foods freeze at different rates, that is why I am asking for a heuristic answer.
I've run the system in countless tests including over filling the pump and running the pump without a load (both result in lots of oil spitting out the exhaust port of the pump). I've drained the catch can twice, once with over 5 oz of oil in it, but have not collected any oil downstream in the jar so the system is performing well.