ProChek® S

Steam Sterilization Integrators

ProChek S is a Class 4 multi-parameter internal chemical integrator strip for use as an immediate result sterilization monitor inside peel pouches, cassettes and packs.

  • Indicates penetration of steam and heat inside pouch, cassette or surgery pack.
  • Sensitive inks react to multiple parameters of steam and heat over time.
  • Dramatic color change from yellow to blue-purple when sterilization conditions are met.
  • Immediate results at the end of cycle provide quick feedback.

“Multi-parameter internal chemical indicators are designed to react to two or more parameters of time, temperature and the presence of steam and provide a more reliable indication that sterilization conditions have been met.”


Indicator Ink and
Testing Parameters:
Complete color change from yellow to blue-purple will occur in the presence of steam at a minimum of 250° F (121° C) for a minimum of 15 minutes. Failure to achieve the minimum conditions will result in no color change (yellow) or intermediate color change on strip to brown or green.

Dimensions: 5-5/8” x 7/8”

Shelf Life: Expiration marked on end flap of package, 18 months from date of manufacture.