problem thermal cyclers (techne>
mckegney at unixg.ubc.ca
Mon Mar 14 20:44:09 EST 1994
Our lab Techne III thermal cycler now fails to maintain (and sometimes
achieve) the programmed temperatures. No longer can we cool a sample
below 14 degrees C. If we wish to anneal at, say 57 degrees for 30 sec,
the actual temps would be:
59 degrees (start timing+0)
56 degrees t=10
56.2 degrees t=20
56.5 degrees t=30
So temp would never actually stabilize at 57.
Question: does anyone else have/had this problem with this model? Is it
fixable, or do we just replace it?
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