MODEL : 7100 Sensor : 2 x PT-100 Temperature Control Range : 0-65°C Humidity Control Range : 0-100% Least Count : 1% for RH & 0.1°C for Temperature Accuracy : 2% for RH & 0.2 °C for Temperature Display : Direct from Micro Processor Self Internal Lookup Tables Controls : By 10-Turn Hellical Potentiometer. Power Supply : 230V AC ± 15%