XCSOURCE 3in1 TDS+EC+Temp Meter and Ph Meter with Auto Calibration Button, Digital Accuracy Water Quality Monitor Pen Style Portable Tester BI716 - Product Features
- This digital pen style pH meter is an ideal instrument for whatever you may need to test the pH levels.
- TDS & EC Tester measures total dissolved solids (TDS), electrical conductivity (EC) and temperature (