The OM-CP-PR140 pressure data logger from Omega is designed for use in autoclave validation and mapping. This rugged device can withstand temperatures to 140°C and is completely submersible (IP68). The device is built with a precision stainless steel pressure gauge. It has an accuracy of ±0.435 psi, which can be achieved over a temperature range from 20 to 140°C. The data logger can be programmed to take readings as often as once per second, and it has nonvolatile memory that can store up to 32,700 measurements. The user places the unit in the docking station; connects to an available USB port on the computer; and starts, stops, or downloads the device using the software.