Manufacturer: Elitech. Reusable Humidity Temperature Data Logger - Wide humidity range of 0%RH to 100%RH, temperature range of -22°F to 158°F (-30°C to 70°C). High humidity resolution 0.1%RH, temperature ±0.1°C/±0.1°F. Suitable for applications in biosciences, food cold chain, and industry, compliant with FDA 21 CFR Part 11 standards.
eBay