High Quality 3 In1 Function Portable Pen  Digital TDS & EC &TEMP Meter Filter Measuring Water Quality Purity Tester 

 specifications
range: EC:0~19990us/cm
          TDS: 0~19990ppm
          temperature:-50C - 70 C(-58  F -158 F )
Resolution: EC:10us/cm
                      TDS: 10ppm
                     temperature:0.1 C (0.2 F )
accuracy : EC/ TDS ±2%F.S
               temperature:±0.1 C (±0.2 F )
battery: 4*1.5v(AG13)   not included
temperature compensation :0 C ~50 C
dimensions: 188mm* 35mm *35mm
weight: 80g 
 
note : this product without retail box ， thanks

aeProduct.getSubject()aeProduct.getSubject()aeProduct.getSubject()aeProduct.getSubject()aeProduct.getSubject()aeProduct.getSubject()aeProduct.getSubject()aeProduct.getSubject()

aeProduct.getSubject()aeProduct.getSubject()aeProduct.getSubject()