TDS Meter Digital Water Tester 4 in 1 TDS EC & Temperature(°C,°F) Meter, 0-9999 ppm Meter, Portable Large Display Water Testing Kits for Drinking Water Hydroponics Aquarium, RO/DI System

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About This 【2025 New 4-in-1 Multi-Function Water Quality Tester】 Digital water tester measures TDS, EC, and water temperature (°C/°F) with selectable units, all in one device—perfe ct for drinking water, RO systems, aquariums, hydroponics, and more. Fast, precise, and easy to use, helping you monitor water quality anytime, anywhere. 【Fast Response & High Sensitivity Measurements】Turn it on and get instant, accurate readings! TDS meter for drinking water is equipped with a precision sensor and smart chip, this TDS meter provides fast, stable results with a wide measurement range of 0–9999 µS/cm (EC) and 0–9999 ppm (TDS), ensuring reliable and precise results every time. 【Easy and Instant Operation with Hold Function】Simply turn on the TDS meter and gently stir the water. Stable readings appear on the large backlit LCD within seconds. Press the Hold button to freeze the current reading, making it easy to record, photograph, or compare results without losing data. 【Wide Applications】TDS EC meter is ideal for tap water, RO/DI water, and bottled drinking water—quickly check water quality at home, in the office, or on the go. Perfect for water filters, kitchen appliances, and drinking water dispensers to ensure safe, healthy water. Essential for aquariums, fish tanks, hydroponic systems, and gardening. Also great for outdoor use—ponds, swimming pools, camping, hiking, travel water and emergency water supplies. 【Portable & Lightweight Design】The PPM meter weighs only 1.94 oz (55 g) and measures 16 × 1.18 × 0.55 inches. This compact, pen-style tester fits comfortably in your hand, pocket, or small bag. Take it anywhere—perfect for testing water at home, office, outdoors, or on the go. Show more