Features 1、Professional pH Meter: for rapid measuring the pH value of the tested liquid. 2、pH Value Measuring: 0.00~14.00pH measurement range, 0.01pH resolution, and ±0.1pH accuracy. 3、Reliable Quality: high sensitivity waterproof probe smart chip for fastly and accurately measurement, and 1.5-inch LCD screen with green backlight to display the pH value clearly. 4、Portable Compact Design: mini pen type pH meter, just powered by 4pcs LR44 button cell batteries, long term standby, and a strudy storage case is included, conveniently for carrying around and real-time measurement anytime anywhere. 5、Wide Applications: can be used in the aquaculture, fish pond, fish tank, other industrial and agricultural production and scientific research that need to test the pH value and water quality. Specification The pH meter is used for fast measuring liquid pH values. Features of easy operation, stable performance and accurate measurement, the pH meter is widely used in the aquaculture, fish pond, fish tank, other industrial and agricultural production and scientific research that need to test the pH value and water quality. Features: Professional pH Meter: for rapid measuring the pH value of the tested liquid. pH Value Measuring: 0.00~14.00pH measurement range, 0.01pH resolution, and ±0.1pH accuracy. Reliable Quality: high sensitivity waterproof probe smart chip for fastly and accurately measurement, and 1.5-inch LCD screen with green backlight to display the pH value clearly. Portable Compact Design: mini pen type pH meter, just powered by 4pcs LR44 button cell batteries, long term standby, and a strudy storage case is included, conveniently for carrying around and real-time measurement anytime anywhere. Wide Applications: can be used in the aquaculture, fish pond, fish tank, other industrial and agricultural production and scientific research that need to test the pH value and water quality. Operation: 1.Remove the protective cap. 2.Clean the electrode with distilled water, and dry up the water attached to the electrode with filter paper. 3.Switch on pH meter. 4.Insert the instrument into the test solution, with the measuring electrode immersed in. 5.Stir gently to get stable numerical result displayed on the screen. The numerical value below the screen is the temperature of solution. 6.Clean the electrode after using, then turn off the switch, and put on protective cap. Specifications: Model: pH-98201B / pH-98201L (Optional) Material: ABS Range: 0.00~14.00pH Resolution: 0.01pH Accuracy: ±0.1pH Temperature Compensation: 0~50℃ Operating Temperature: 0~50℃ Supply Supply: 4 * 1.5V LR44 button battery (NOT included) Screen Size: 34 * 19mm / 1.34 * 0.75in Mini Screwdriver Size: 91 * 10mm / 3.19 * 0.39in Item Size: 100 * 50 * 28mm / 3.94 * 1.97 * 1.10in Item Weight: 102g / 3.60oz Package Weight: 350g / 12.35oz Package Size: 19.5 * 16.8 * 5.5cm / 7.68 * 6.61 * 2.16in Packing List: 1 * pH Meter 1 * Mini Screwdriver 1 * Electrode 1 * Storage Case 1 * Manual (English) Package List 1 * pH Meter 1 * Mini Screwdriver 1 * Electrode 1 * Storage Case 1 * Manual (English)