SP226 solar working station for solar heating system Certificate: SRCC, Solar Keymark CE ISO9001 Main technical data01. Dimension: 450×310×150mm02. Input voltage: 200V~240V AC or 100V~120V AC03. Power: ≤3W04. Accuracy of temperature measuring: ±1 degree05. Range of temperature measuring: PT1000 : 0~199 degree NTC10K: 0~99 degree06. Input signals: 1 x PT1000 sensor temperature probe ≤500 degree, ...