Portable Pen Testers for Field Water Quality Testing-YexSensor

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YEX-PH-P100 Pen Type Acidity Tester
YexSensor YEX-PH-P100 Pen Type Acidity Tester is a portable pH and temperature meter for field water···
YEX-TDS-100 Pen TDS Meter
YexSensor YEX-TDS-100 Pen TDS Meter is a portable tester for total dissolved solids and temperature ···
YEX-YD-100 Pocket Salinity Meter
YexSensor YEX-YD-100 Pocket Salinity Meter is a portable salinity and temperature tester for field w···