Sauermann Class 220: Multi-Function
KH 220-N

Made to adapt for numerous applications, the KH 220 is the answer for when up to 5 parameters need to be recorded simultaneously.   

Sauermann Class 220: Multi-Function
KT 220-N

Made to adapt for numerous applications, the KT 220 is the answer when up to 3 parameters need to be recorded simultaneously.    

Sauermann Class 220: Multi-Function
KTT 220-N

When a wide range of temperature reading is needed, the KTT 220 is the key with its two thermocouple inputs.