... cooling over temperature,pressure,level,flowm,etc..Widely used in auto system in line of light industry, chemistry, machine, ... metallurgy, ceramics, pertrification industry.2,One key operation, Auto-tuning PID/ Fuzzy PID control.Easy operation,Reliable performance3,Input ... / high deviation / low deviation/ interval / out of interval /breakage alarm.6,Dimensions: TD4: 48*48*80 TD6: 48*96*80 ...