| Measuring range | PH£º0.00¡«14.00 PH¡æ£º-50¡æ¡«70¡æ (-58¨H¡«158¨H)
 EC£º0.00¡«19.99EC
 CF£º0.0¡«199CF
 TDS£º10¡«19990ppm
 | 
        
            | Resolution | PH£º0.01PH¡æ£º0.1¡æ(0.2¨H)
 EC£º0.01EC
 CF£º0.1CF
 TDS£º10 ppm
 | 
        
            | Accuracy | PH£º±0.1 PH¡æ£º1.0¡æ
 EC¡¢CF¡¢TDS£º±2%F.S
 | 
        
            | Automatic Temperature Compensation | 0¡æ¡«50¡æ | 
        
            | Operating Temperature | 0¡æ¡«50¡æ | 
        
            | Power Supply | DC 6V(include), with adaptor | 
        
            | Dimensions | 155mm×86mm×22mm | 
        
            | Weight | 223g |