High Quality Portable Pen LCD Digital TDS-966 Meter Filter Measuring Water Quality PurityTester tds meter with backlight

 Range: 0.00~9990ppm (mg/L) 
 Resolution: 10ppm (mg/L)  
 Accuracy: ±2% F.S  
 Battery: 2×3V(CR1632)  
Temperature Compensation :0 C~50C
 Operating Temperature :0 C~50C
    Dimensions : 147mm×27mm×18mm  
  weight : 42g  
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