The EQ-MTM-3 three channels temperature monitoring system is the ideal tool to adhieve muiltple-spot tempeerature motnioring or calibration for your heating system. It is computerized via a RS232 comm port. It accepts different tempearture measuring range accoring the different types of thermocouples inlucding K, S or B type thermocouple. It also has temperature alarm system (upper limit alarm system) which functioning as cutting off the power when temperature exceeds the set point.