The large LCD screen displays the PH value, which is easy to read in seconds. Equipped with an extended composite electrode with a spiral joint, it is suitable for direct measurement of small-diameter vessels. High response pH meter, easy to use. Compact and design, easy to carry. Suitable for, aquaculture, hatchery, food processing, laboratory, paper industry, swimming pool and school use. Model: PH-98103 Measuring range: 0.00~14.00PH Accuracy: ±0.2PH, ±0.1PH (20°C) Resolution: 0.01PH Working temperature: 0~50℃ Automatic temperature compensation: 0~50℃ Battery: 3*1.5V AG13 Size: 175mm x 51mm x 25mm Colour:red Material:plastic Package Contents: 1 x PH Meter 1 x Screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.