Profile: Elpro Services, Inc. is a manufacturer of humidity and CO2 dataloggers. Our products include Libero PDF-logger®, central monitoring system, Freeze-tag®, Fridge-tag® and Q-tag®. Our Libero PDF-logger® provides simple cold chain monitoring of temperature sensitive pharmaceuticals. This ground-breaking concept of producing the report in a PDF file eliminates the need to install and validate any specific software at destination. Available in 100 and 400 day models, our Libero PDF-logger® also supports compliance with FDA standard 21 CFR 11. Our Fridge-tag® is used in electronic temperature monitoring during storage. It monitors, reliably and uninterrupted, the ambient temperature inside refrigerators and cold rooms used in hospitals / laboratories, surgeries / pharmacies and food industry.