| PH   | Range  | 0.00 ~ 14.00 pH | 
        
            | Resolution | 0.01 pH | 
        
            | Accuracy | ±0.1 pH | 
        
            | EC | Range  | 0¡«19990μS/cm 0.00¡«19.99ms/cm | 
        
            | Resolution | 1μS/cm(≤2000);10μS/cm(≥1999) 
   0.01ms/cm | 
        
            | Accuracy | ±2%F.S | 
        
            | TDS | Range  | 0¡«19990mg/L (ppm) 0.00¡«19.99g/L (ppt) | 
        
            | Resolution | 1ppm(≤2000);10ppm(≥1999) 
   0.01g/L (ppt) | 
        
            | Accuracy | ±2%F.S | 
        
            | Temperature   | Range  | 0 ~ 99.9°C | 
        
            | Resolution | 0.1°C | 
        
            | Accuracy | ±1°C | 
        
            | Automatic Temperature Compensation | 0 ~ 50°C | 
        
            | Power Supply | DC 9V(include), with adaptor  | 
        
            | Environment | 0 ~ 50°C | 
        
            | Dimensions | 95mm x 61mm x 20 mm | 
        
            | Weight | 500 g |