Rtd ccms is battery powered compact data logger with single input. It is reliable & cost effective digital temperature recorder mainly used in cold chain monitoring system, transportation & industrial applications. It provides real-time viewing of temperature information and has usb connectivity for data retrieval. Key features : Local data storage with 4mb memory (60, 000 samples/channel ) Usb host port for easy data retrieval Serial, usb & rs-485 interface for communication In-built rtc with variable logging interval In-built rechargeable li-ion battery (with 1 month stand time)