Posts Tagged ‘Low Temperature Freezers’
When and How to Specify an Ultra-Low Freezer
At this posting Phase 3 clinical trials are underway for COVID-19 vaccines, some of which call for an ultra-low freezer for storage and transport. Examples described in a September Wall Street Journal article notes the unusually cold storage temperatures – as low as -80⁰C – required. Covid-19 vaccine candidates are one of many applications for ultra-low freezers. This post provides you with info on when and how to specify one of these units.
Unlike “ordinary” freezers, ultra-low freezers are not inexpensive. The investment is important when the job is to protect contents of high value and sometimes for long periods of time. More on this below.
Fortunately there are a number of ultra-low freezers on the market to ease the selection of a model that best suits your needs.
What is Meant by Ultra-Low Freezers?
Good question.
There are freezers, low-temperature freezers … Read the rest
Lab Freezer Alarm Crucial to Biological Sample Protection
An October news item reported that a lab freezer door left open at a medical research institute resulted in compromising some 26,000 specimens being used in the study of Parkinson’s disease. The article reported that the required storage temperature for the specimens is at a temperature below -80⁰C (-112⁰F). “This incident along with others mentioned in our posts, clearly indicates human error is an unfortunate cause of such instances and that many if not all losses can be avoided with a lab freezer alarm,” says Tovatech director Dr. Rachael Kohn.
Lab Freezer Alarm Systems
Ultra-low temperature freezers – those designed to maintain temperatures to -86⁰C such as the NorLake Select series available from Tovatech – come equipped with sophisticated alarming systems that signal when a door is left ajar or other temperature excursions that can be caused by power failures. “Indeed alarming systems are … Read the rest