KH103 series PID temperature controller: an intelligent PID controller with high accuracy measuring and data collection compatible. It has intelligent PID parameter self-turning function. With manual / automatic switching function. It adopts Standard Modbus Communication protocol. We make a high performance-price ratio meter for customer. Welcome to purchase our meters. Main technical specification 1) Accuracy: ± 0.2% FS+ 1digit 2) Sampling period: d0.5s 3) Power voltage: 85-240VAC 4) T.C cold-junction compensation: Internal components or external CU50 compensation 5) Power consumption: