... 1.Universal Input 2. PID auto-tuning 3. 0.2%FS 4. Output Relay, SSR, mA ,SCR 5. temperature control meter ... AI-708P PROGRAMMABLE intelligent temperature control meterFeatures: 1. High control accuracy ... 50Linear signals: 4-20mA, 0-20mA, 1-5V, 0-5VOutputRelay contact:3A/220V, ... differential timeD: 0-900 secondsAccuracyControl accuracy: ±1 o CMeasurement accuracy: ±0.5%FS (± ...