ITEM NAME:Yellow With Black Ph Meter Tester Screwdriver Water LCD Monitor Pen Aquariu D7J8 Yellow With Black Ph Meter Tester Screwdriver Water LCD Monitor Pen Aquariu D7J8 An ideal instrument for aquarium, fishing industry, swimming pool, beverage etc. With protective plastic case and calibration screwdriver. Product Description Measuring pH Range: 0.0 - 14.0 pH. Resolution: 0.1 pH. Accuracy: ±0.1 pH (20 °C), ±0.2 pH. Operating Temperature: 0 - 50 °C (32-122 °F). Relative Humidity:
