Type: Steam Process Indicator
ISO: 11140-1:2005, Class 5
AAMI: ST79, Class 5
Colour change: Purple to Green, one way permanent.
Dimensions: 5.875cm x 2.222cm (2.313" x 0.875")
Reaction Time: See Below
The SteriTec Steam Chart 121 uses top-of-the-line ink that changes from purple to green to provide an integrated response to steam sterilization at 121°C (249.8ºF)to 134°C (273.2ºF) for pre-vacuum or gravity sterilizers operating for 15 minutes or longer.
The Steam Chart 121 has four different timing indicators printed on each strip.
Reaction Times
| Spot | 121ºC | 134ºC |
|---|
| 1 |
6 min. |
2 min. |
| 2 |
11 min. |
4 min. |
| 3 |
15 min. |
5 min. |
| 4 |
35 min. |
12 min. |
If the first, second and third spots turn green sterilisation conditions were met.
It gives a visible confirmation of the attainment of sterilization conditions at the location within the sterilizer chamber. Lead free, plastic laminated.