2016 high quality 169E ORP/Redox Tester waterproof ORP meter，ORP tester free shipping by singapore post all over world delivery

 

 For this ORP TESTER， it does not includes calibration liquid，the one you get maybe not accurate，In order to ensure the accuracy of this item pls make  calibration when you get the parcel 

Accuracy: ±5mV
Resolution:1 mV
Display:4-digital LCD
Power Supply:4×1.5V(AG13)
Dimensions:188×35×35(mm3)
Weight:118g

 

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