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Water Quality Tester PH Meter PH Measurement Digital Display PH Tester Pen

<ul><li>Precise pH Measurement: Provides 0.01 pH resolution with a 0.05 pH error.</li><li>Wide Application Range: Suitable for aquariums, fishing industry, swimming pools, school laboratories, food and beverage, and basic water testing.</li><li>Operational Temperature Range: Functions within an operating temperature of 0-60 degrees.</li><li>Compact Design: Item measures 155 * 31 * 18mm.</li></ul>

<ul><li>Wool heats up your feet even at very low temperatures, These durable winter shoe insoles are warm and cosy. It is an ideal shoe inserts for rain boots and snow boots and any other winter shoes.</li><li>Soft, flexible and comfortable: the bottom layer of the insoles is made of latex foam, providing extra comfort while walking, playing, hiking, shopping, cycling, suitable for cold weather.</li><li>The size of insoles for adults is Euro 36-46, Maximum length is 29cm, kids insoles size is Euro 26-35, Maximum length is 23cm</li></ul>

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This digital pen style is a fine instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food and beverage, etc. And, it is fine for all basic water testing applications.    Specifications:  Resolution: 0.01 pH  Error: PH 0.05  Operating temperature: 0℃-60℃  Battery: 2 * 1.5V &nbsp;LR44  Item size: 155 * 31 *18mm / 6.1 * 1.2 * 0.7in  Package size: 167 * 52 * 30mm / 6.6 * 2.0 * 1.2in  Package weight: 110g / 3.9ounce    Packing List:  1 * PH Tester

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Water Quality Tester PH Meter PH Measurement Digital Display PH Tester Pen with a yellow body and black base, featuring a digital screen and calibration buttons. Ideal for pool maintenance, aquariums, school laboratories, and general water testing applications.