Product Specifications: Range EC 0.00 to 4.00 mS/cm Temperature 0 to 50°C Resolution EC 0.01 mS/cm Temperature 0.1°C Accuracy EC ±2% F.S. Temperature ±1°C Automatic Temperature Compensation 0°C to 50°C Battery 2×1.5V (AAA) Operating Temperature 0°C to 50°C Dimensions 207mm×32mm×36mm Weight 85g