This LCD digital 2-in-1 water quality tester simultaneously detects hydrogen concentration (H2) and water temperature, specially designed for hydrogen-rich water inspection. It covers an H2 measuring range of 0–2400ppb and temperature from -30℃ to 60℃, delivering fast, stable readings with high precision.

Equipped with a large backlit LCD screen, it displays dual data clearly even in dim environments, with a handy data hold function to lock values for easy recording. One-key automatic calibration simplifies operation for new users, no complicated tools required.

Ergonomic pen-shaped lightweight body supports portable field testing, with corrosion-resistant sensor probe for long service life. Widely applied to hydrogen water bottles, drinking water, spas, aquariums, hydroponic planting and swimming pools, it is an affordable dedicated tool for daily hydrogen water quality monitoring.