Excelsior dry heat indicators

For dry heat sterilisation control.

Bulb size• Ampoule form containing Bacillus atrophaeus
• For dry sterilisation between 160 and 250 °C
• Transfer of the ampoule into a culture medium (included in the kit)
• After incubation at 30 - 40 °C for 72 hours
• If the colour changes, the sterilisation must be repeated

Strip or tablet format.• In strip or tablet form
• Colour change after 40 minutes at 160 °C (or 55 minutes at 155 °C for strips)
• Orange to brown colour change for the strips
• Turning from blue to dark grey for labels