Thermal Shock Module Any AGREE chamber can easily and quickly become a Thermal Shock Chamber with the application of a Thermal Shock Module from EST Testing Solutions. The TSM is designed to give you greater flexibility by quickly and easily converting your AGREE chamber into a thermal shock system. The TSM rolls into position under an AGREE chamber. Just connect power and air, load your product and begin testing. Transfer time between environments can be as fast as 3 seconds. Typical Operational Sequence Specifications