|   Model | PH-2988W | 
        
            |   Range | PH£º0.00¡«14.00 PHTemp£º0¡æ¡«50¡æ(32¨H¡«122¨H)
 EC£º0¡«19990us/cm£»0.00¡«19.99mS/cm
 TDS£º0¡«19990ppm£»0.00¡«19..9ppt
 SALT£º0~100.0ppt£»0~20% | 
        
            |   Resolution | PH£º0.01PHTemp£º0.1¡æ(0.2¨H)
 EC£º10us/cm£»0.01ms/cm
 TDS£º10ppm£»0.01ppt
 SALT£º 0.1ppt£»0.1% | 
        
            |   Accuracy | PH£º±0.1 PHTemp£º1.0¡æ
 EC¡¢TDS£º±2%F.S
 SALT£º ±2%F.S | 
        
            |   Automatic temperature compensation | 0¡æ¡«50¡æ | 
        
            |   Operating temperature | 0¡æ¡«50¡æ | 
        
            |   Power supply | DC 5V power adaptor(include) | 
        
            |   Dimensions | 130mm x 70mm x 31 mm | 
        
            |   Weight | 180g |