programmable PID control 1,PID control 2,Multi-input mode 3,Digital show mode programmable PID control features:1,PID control2,Multi-input mode3,Digital show mode4,programmable setting5,LED indicate the working state PID control,pid temperature control,PID controller specification:1,Measur accuracy:0.5 class,cold-terminal compensating error no more than 1 degree(1~50 degree adjustable).2,Input: ...