Color paperless recorder 48 channels (not including alarm, transmission and other functions) input (configuration selection of input: standard voltage, standard current, thermocouple, thermal resistance, frequency, millivolt, etc.). It can be equipped with 18-channel alarm output, 12-channel transformer output, RS232/485 communication interface, Ethernet interface, micro printer interface and USB interface, SD card socket; Sensor power distribution; With powerful display function, real-time curve display, historical curve recall, bar chart display, alarm list display. Humanized appearance setting and function embodiment, reliable hardware quality, exquisite manufacturing technology, with higher performance and cost performance.