Applications: This compact handheld meter tests pH and chlorine (Cl2) in water. It is suitable for pools, spas, tap water, home brewing, laboratories, and aquarium maintenance. Practical ranges: For pools and spas, target pH 7.2–7.8 and chlorine 1.2–1.7 ppm. This digital monitor helps you quickly verify water is safe and comfortable. Portable and convenient: Pentype design fits in a pocket or bag. Builtin automatic temperature compensation (ATC) means accurate readings from 0 to 80 C (32–176 F) without extra temperature adjustment. Fast and precise: Delivers quick results without color charts or test strips. pH resolution 0.01, accuracy ±0.05; pH range 0–14. Factory calibrated; chlorine readings align with common pool ranges. Durable and ready to use: Lightweight, compact housing designed for everyday testing. Typical use scenarios: Pool or spa maintenance; home brewing water checks; aquarium care or basic laboratory testing.