Feature: 1. Widely used to test the the pH of aqueous solution/water. 2. 100% brand new pH electrode probe. 3. Great laboratory pH electrode probe. 4. Suitable for most pH meter and controller with BNC connector. 5. Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems. Specification: PH-201H high-precision compound laboratory electrode has excellent waterproof and field applicability; it can be maintained, convenient, fast and accurate; it has a wide range of measurement; It is suitable for various PH-Q9 type BNC plugs according to the needs of industry testing. Features: Widely used to test the the pH of aqueous solution/water. 100% brand new pH electrode probe. Great laboratory pH electrode probe. Suitable for most pH meter and controller with BNC connector. Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems. Specifications: Type: Laboratory Electrode Display: Digital Display Probe Type: Sensitive Crystal Ball Bubble Range: 0.00 ～ 14.00pH Accuracy: 0.01 Temperature Range: 0 ～ 50℃ Material: Polycarbonate Type of Electrode Plug: Q9 BNC: Upright Electrode Length:14.8cm Cable length:110cm/190cm(Optional) Package Size:17.8*6.5*3cm/7.01*2.56*1.18in Package Weight: 110cm:110g/3.88oz 190cm:120g/4.23oz Package List: 1 * pH Electrode Package List: 1 * pH Electrode