... Output Relay, SSR, mA ,SCR 5. temperature control meter AI-708P PROGRAMMABLE intelligent temperature control meterFeatures: 1. High ... 500ms, display accuracy: 0.2% of FSThermocouples: K, J, R, S, B, E, N, T, W, U, LThermal Resistance ... single-phase or 3-phase, zero position controlSCR phase trigger signals: direct trigger SCR for single-phase or 3-phase controlControlControl mode: PID, ON/OFF, Phase ...