TOKY TM series Temperature Controller with following features:

1) Thumb switch setting, negative temperature control available;

2) TC/RTD universal input;

3) PID Auto-tuning, calculate PID parameters automatically; 

4) Optional control output, relay or SSR;

5) One alarm output;

6) Easy operation, for temperature displaying / control / alarm of different industries;

7) Power supply: TM4: 85-265VAC/DC, TM6/TM7: 110V/220V+/-10%AC.