[Nhcoll-l] Recommended freezer for specimens?

[Flannery, Moe]

I would also make sure that any freezer, chest or upright, is not self-defrosting.  Self-defrosting freezers continually raise and lower the temperature to minimize frost build-up.  Not a good situation for keeping specimens or for pest control.  A manual defrost freezer will keep the temperature constant although it will need periodic (usually annual) defrosting though to get rid of the buildup of ice.

Moe

Maureen Flannery
Ornithology and Mammalogy Collection Manager
California Academy of Sciences
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f.  415.379.5738
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From: nhcoll-l-bounces at mailman.yale.edu [mailto:nhcoll-l-bounces at mailman.yale.edu] On Behalf Of Dirk Neumann
Sent: Wednesday, July 23, 2014 2:40 AM
To: nhcoll-l at mailman.yale.edu
Subject: Re: [Nhcoll-l] Recommended freezer for specimens?

... yes, chest-type freezer would be the better option and might have slightly longer hold-over times in case of power failure. It might be worth to look for specific canteen equipment freezers instead of household freezer - we had bad experiences with (plastic) handles that broke/cracked after few years because of frequent freezer use. Canteen kitchen equipment might be a bit more expensive, but might be more durable.

If you prefer an upright freezer, the freezer should have drawers so that you can remove all specimens from one drawer - some freezer have a combination of drawers and compartments or only compartments which then might require (expensive) additional trays to hold specimen-tubes / boxes.

All the best
Dirk


Am 22.07.2014 23:04, schrieb Trock, Debra:
Crystal,
You can get an inexpensive chest-type freezer for about half this price.  In addition, with an upright freezer like this, all of the cold air "falls out" (since it is heavier than warm air) when you open the door.  That doesn't happen with a chest type.   We've been looking at a Frigidaire that will hold 6 boxes 12 x 12 x 18 (herbarium specimens) for about $350.00.  You can also get chest types in larger sizes if needed.


Dr. Debra Trock
Sr. Collections Manager, Botany
California Academy of Sciences
55 Music Concourse Drive
San Francisco, CA  94118
415-379-5363
dtrock at calacademy.org<mailto:dtrock at calacademy.org>



From: nhcoll-l-bounces at mailman.yale.edu<mailto:nhcoll-l-bounces at mailman.yale.edu> [mailto:nhcoll-l-bounces at mailman.yale.edu] On Behalf Of Crystal Boyd
Sent: Tuesday, July 22, 2014 12:08 PM
To: nhcoll-l at mailman.yale.edu<mailto:nhcoll-l at mailman.yale.edu>
Subject: [Nhcoll-l] Recommended freezer for specimens?

Hi, everyone. What would you recommend as a good, inexpensive freezer for specimens?
I'm hoping to purchase one like this<http://www.amazon.com/Cu-Ft-Upright-All-Freezer-White-Summit/dp/B00JPV4D1W> for a bee survey that will generate lots of specimens. (We might store birds, bats, turtles, and small mammals in there, too...) Preferably the freezer will have a door lock.
Any suggestions?
Best wishes,
Crystal




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