Comparison : Item # AX188000, 2 Thermocouple Inputs, SAE J1939 CAN Controller
Item # AX188001, 2 Thermocouple Inputs, CANOpen Controller
Item # AX188000-01, 2 Thermocouple Inputs, SAE J1939 CAN Controller, 500kbps
Item # AX188000-02, 2 Thermocouple Inputs, SAE J1939 CAN Controller, 1 Mbps