3 in 1 Temp EC Meter Digital Water Quality Purity Tester Portable Test Pen

3 In 1 TDS EC Meter Temperature Digital LCD Water Testing Pen

Cubilan PH Meter, TDS ppm Meter, Soil PH Tester, pH/EC Digital Kit, 3 Pack

4 Display Modes: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °F.(Press SHIFT button to convert). Light Alarm Function: green back

3 in 1 Digital Water Quality Tester TDS EC Purity Meter TEMP PPM Test Filter Pen

3 In1 TDS/Temp/EC Meter TDS&EC Tester 0-9990ppm Conductivity

1PC White Digital Water Quality Tester TDS EC Meters Range 0-9990

YIERYI Digital Temperature TOD COD TDS Meter, Drinking Water

Reliable Brand: MEXYBE was founded with a simple yet important mission: to provide everyone with a simple and affordable way to test their water

Tds Meter Digital Water Tester - 4 in 1 Quick & Accurate TDS Temperature(°C, °F) & EC Meter - 0-9990ppm - Ideal Water Quality Tester for Drinking

1.★Fast and Accurate Readings: Just turn it on, dip in liquid and read display, no need to work with color charts or test strips; Large digital

VOVCIG Tester, Meter Tester LCD Pen Quality with 0-9990 PPM Measurement Range Portable, for The aquaculture Industry Hospitals Swimming Pools

Total Dissolved Solids TDS Water Quality Purity Meter 0-9990PPM