DiyStudio 7-in-1 Water Quality Tester Pen pH, ORP, TDS, EC, Salinity, S.G, Temperature, IP67 Waterproof, Backlit LCD for Drinking Water & Pools

---------------------------------------------------------------------- [7 Functions in One Device, Wide Measurement Range] This single device measures pH (0-14), TDS (0-200,000 ppm), EC (0-200,000 µS/cm), salinity (0-20%), ORP (±1999 mV), H2 (0-2400 PPb), seawater specific gravity (1.000-1.222), and temperature (0-60℃). It's versatile and can be switched between tap water, aquariums, and hot springs with a single touch. 【High-precision, highly durable sensor design】 Utilizing high-sensitivity glass electrodes and corrosion-resistant platinum electrodes, this sensor achieves stable measurement values, minimizes electrode degradation, and maintains accuracy over a long period. [IP67 Waterproof Performance for Peace of Mind Even in Harsh Environments] In addition to dustproof and splashproof design, it boasts IP67-grade waterproof performance. You can use it with peace of mind even in humid places or around water. 【Excellent Visibility with LCD Backlight Large Screen】Equipped with a backlight on the large LCD screen. The numbers can be clearly read even in dark places, making it a design that takes into consideration the elderly and outdoor use. 【Lightweight and compact, easy to carry】With dimensions of 185*37*24mm, its slim body makes it easy to carry. It doesn't take up much space when stored, making it easy to take with you not only at home but also when traveling or on fieldwork. Product measurement range: 1. pH value 0–14 2. TDS value 0–200,000 ppm 3. EC value 0–200,000 μS/cm 4. Salinity 0–20% 5. ORP (Oxidation-Reduction Potential) ±1,999 mV 6. H₂ (Hydrogen Concentration) 0–2,400 ppb 7. S.G (Seawater Specific Gravity) 1.000–1.222 8. Temperature 0–60℃