KT Series Power Supply: AC100 ~ 240V, AC/DC24V 50/60Hz; sensor input: thermocouple (K, J, R, S, B, E, T, N, PL-Ⅱ, C), RTD (Pt100), Current (DC0 ~ 20mA, DC4 ~ 20mA), voltage (DC0 ~ 1V, DC0 ~ 10V, DC1 ~ 5V, DC1 ~ 5V); Output 1: Relay contact, non-contact voltage (for SSR drive), DC current; alarm output 1: non-contact output (KT7 series); Relay output: (KT4, 8,9 series), control action for the on / off control of PID control (with auto-tuning function); input sampling period: 250ms Line scope: 0 ~ 1000℃, 0 ~ 100% (DC current, DC voltage input); protection grade: IP66; ambient temperature: 0 ~ 50℃; heating / cooling control: KT7 NA, KT4 non-contact output (control capacity 0.3A250VAC), KT8, 9 based on output 1; heating disconnection warning: CT current of 5A, 10A, 20A, 50A (rated power must be specified), KT7 output for non-contact (DC24V, maximum 0.1A), KT4, 8,9 to output relay (1a, 3A, 250VAC).