Data Logger is often referred to as a Recorder is an electrical device that is capable to record data for a period. It can also record data from instruments or sensors that are located externally. Data loggers are built-in sensors that are able to receive data read from sensors outside. It is based on a microprocessor as well as a battery charger. ThermElc is a major manufacturer of temperature monitoring for cold chains. products. We're committed to R&D and the manufacturing of products for the refrigeration and freezing industry, and also providing remote monitoring of cold chains. Please visit https://www.thermelc.com/ for more detail.