---
title: Process Challenge Device | Terminal Sterilization of Medical Devices | Mesa Labs
description: Mesa Labs offers Process Challenge Devices (PCD), which are externally placed on pallets to assure terminal sterilization of medical devices. PCDs have defined resistance values that match internal sterilization challenges.
---

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# What are the advantages to using Process Challenge Devices® for terminal sterilization of medical devices?

#### Get our PCD Configuration Guide

**[Process Challenge Devices ](https://biologicalindicators.mesalabs.com/pcd-products/)(PCD®) are externally placed on pallets to assure terminal sterilization of medical devices. PCDs have defined resistance values that match internal sterilization challenges.**

- PCDs from Mesa Labs has unique, patented packaging of self-contained *B. atrophaeus *biological indicators, which have reduced incubation times that allow for a quicker release.
- You can use our PCDs for both validation and routine monitoring of Ethylene Oxide sterilization cycles.
- PCDs have consistent and certified resistance to ISO 13485 quality systems for medical devices

**Download our Configuration Guide to help you choose the right PCD for your cycle.**

**![process challenge device (pcd)](https://info.mesalabs.com/hs-fs/hubfs/18-Product-Photography-SDC-Mesa-PCD-EZTest-EZG6-SCBI-001.png?width=200&name=18-Product-Photography-SDC-Mesa-PCD-EZTest-EZG6-SCBI-001.png)**

 

## [Contact Us](mailto:bi-support@mesalabs.com)

[bi-support@mesalabs.com  |  ](mailto:bi-support@mesalabs.com)+1 303-987-8000 X10042