And therein lies the cons to buying a freeze dryer. It takes time to make them cost effective. Depending on humidity in your area, a single run can take up to two days to complete.
Places like Craigslist are great for buying more or less anything, but there are more specialized online stores for used electronics, such as EquipNet.utilizando; you can also find used freeze dryers on eBay and Amazon.
I think a community-built troubleshooting manual is a great idea. These machines are simple in some ways, and more complex in others, and having a lot of eyes on the problem is always good.
Building a commercial kitchen can feel like a challenging job. It’s very important you understand the kind of commercial appliances available for purchase beforehand.
One oil free pump. The oil free vacuum pump can be used with any size freeze dryer. They are quiet, fast, and easy to use. The Harvest Right oil free vacuum pumps do not require oil changes and do not require regular user maintenance.
So I corrected the oversight - I drilled and tapped the elbow to add the port. Here is a picture. It worked great today when I flushed the pump to clear out the gunk.
I removed the side covers and found the water dripping from the chamber insulation. I called up HarvestRight to ask for ideas on how to avoid this in the future.
Used freeze-dryers can be purchased from previous owners, or sometimes the manufacturer will have returned units refurbished for sale.
This method of shopping is usually considered a bit outdated, but you can still get all the necessary information about freeze dryers on the phone by talking to a company salesman.
5 Posted September 16, 2015 (edited) Gypsyman: Proof again that "great minds think alike". In my initial pondering, I thought using an oil filter base would be a logical approach -- but I didn't have one handy and figured my car might miss it. Besides, one of my goals was to keep this affordable, and they tend to be a little pricey.
When buying from resellers, those terms may change as they’re affected by the relationship between the manufacturer and the reseller.
Say goodbye to waste, and welcome efficient and long-lasting preservation for critical compounds in your lab or research facility. Large Capacity
It would also be best to avoid pawn shops. Although they can be a goldmine for trinkets, they’re usually not a great place to shop for advanced machinery.
And once you have resolved your issue I hope you will Buy Now stay around and talk to us all about what you have been drying in your machine, etc.