15
Recommended Temperatures & Times.
* Exposure time is total time required for sterilization of load. This period be-
gins when sterilizer reaches sterilization temperature. That temperature must
then be held for the amount of time as recommended in above chart. Heat up
and cool down times are not to be included.
Suggested Extended Time At Reduced Temperature For
Higher Altitudes
At altitudes higher than 1000 ft. ( 305 m) above sea level, maximum tempera-
ture that unit achieves may be less than 270°F (132°C). This is due to the lower
atmospheric pressure at higher altitudes causing the pressure relief valve to
open before the chamber can reach 270°F (132°C).
In order to be able to use standard sterilization monitoring methods and materi-
als use the following:
• Process UNWRAPPED items at 250°F (121°C) for 15 minutes exposure
time*.
• Process WRAPPED items at 250°F (121°C) for 20 minutes exposure
time*.
TEMP / PRESSURE /
EXPOSURE TIME *
(minimums)
ITEMS TO BE STERILIZED
(Always consult the item manufacturer’s recom-
mendations for sterilization.)
270°F (132°C) / 186 kPa (27 psi)
for 3 minutes Exposure
Time*.
Instruments loose on a tray. Open glass
or metal canisters. Tubing not used in
surgical procedures. Items manufactur-
ers recommend for exposure
at 270°F
(132°C) for 3 minutes. The sterility of un-
wrapped items is compromised on expo-
sure to a non-sterile environment.
270°F (132°C) / 186 kPa (27 psi)
for 15 minutes Exposure Time*.
Instruments. Loosely wrapped individual
instruments. Multiple layers of instru-
ments separated by fabric. Wrapped
trays of loose instruments. Tubing not
used in surgical procedures. Items man-
ufacturers recommend for exposure
at
270°F (132°C) for 15 minutes.
250°F (121°C) / 104 kPa (15 psi)
for 30 minutes Exposure
Time*.
Textiles and surgical packs wrapped for
sterilization. Items, except liquids, man-
ufacturers recommend for exposure
at
250°F (121°C) for 30 minutes.
Operation
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