This upgraded 3-in-1 portable water tester delivers simultaneous EC, TDS and temperature readings with high precision up to ±2% error, covering 0–9990ppm TDS, 0–9990μS/cm EC and 0–60℃ temperature range. Built-in temperature compensation eliminates data drift caused by liquid temperature shifts, delivering stable and trustworthy test results every time.

Equipped with a backlit LCD screen, it offers clear data viewing even in dim light. Its pen-shaped lightweight body fits easily in pockets for outdoor field testing. One-button simple operation suits beginners and professionals, plus auto power-off function extends battery lifespan effectively.

Crafted with corrosion-resistant sensor probe and solid housing for long service life, this tester widely fits daily drinking water, aquarium, swimming pool, hydroponic farming, well water and laboratory liquid inspection. It is an affordable, all-in-one essential tool for daily water quality monitoring.