■Microprocessor technology;
■RS485 bus communication interface, can transmit 1200m without need for repeater;
■Display time and alarm gas concentration in real time, user could adjust the time;
■Disable function to gas detectors;
■Detector sensitivity could be corrected remotely, zero point adjustment;
■Four levels for concentration control: display, early warning, minor alarm, major alarm;
■Can auto search for detectors;
■LCD and digital tube display;
■Auto protect from bus short circuit;
■Store or enquire alarm records up to 999pcs, records no lose when power cut off;
■Auto check malfunction;
■Programmable outputs;