This high accuracy 21 CFR Part 11 compliant standalone data logger measures more than 16,000 readings over a -35 to +80°C (-31 to +176°F) & 0 to 100% RH range. At the touch of a button, use the on-board display to cycle between the current, min & max logs seen during the session for both temperature & humidity.The 21 CFR Pt. 11 regulations issued by the FDA give the criteria under which electronic records can be considered by the FDA as equivalent to paper records. If you need to meet these regulations or have enhanced data security requirements then you should choose one of our 21CFR loggers, otherwise our standard loggers will suffice. Learn more about 21 CFR Part 11.Used in conjunction with Lascar's 21CFR Pt. 11 software, the logger enjoys all of the core offerings of the original EasyLog software, but with additional 21CFR characteristics including user permissions, encrypted data which cannot be edited, full audit trail & electronic signatures for all activity.