... .Universal Input16 channels, 2.Relay/RS485/RS232 Modbus 3.USB:plug&play 4.CE Temperature Data Logger-Temperature Recorder1.Universal Input16 ... channels,2.Relay/RS485/RS232 Modbus3.USB:plug&play4.CEKH200B-D is the low cost blue paperless ... be stored in USB memory, transferred to PC directly by USB flash drive with our data analysis software, plug and play, easy ...