Feature:1. Replacement pH electrode for pH-990, pH-217, pH-218, pH/EC-9853, pH-117, pH-118, pH-991, pH-3012, TDS/pH-9851, ORP/pH-999.2. Widely used to test the the pH of aqueous solution/water.3. 100% brand new accessory for water quality tester.4. Great laboratory pH electrode probe.5. Suitable for most pH meter and controller with BNC-Q9 connector.6. Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.7. Suitable for most pH meter and controller with BNC-Q9 connector. Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.8. 100% brand new accessory for water quality tester.Great laboratory pH electrode probe.Specification:The electrode is composed by the pH glass electrode and reference electrode. It is the measuring of pH meter, using to measure the pH of aqueous solution/water.Features:Replacement pH electrode for pH-990, pH-217, pH-218, pH/EC-9853, pH-117, pH-118, pH-991, pH-3012, TDS/pH-9851, ORP/pH-999.Widely used to test the the pH of aqueous solution/water.100% brand new accessory for water quality tester.Great laboratory pH electrode probe.Suitable for most pH meter and controller with BNC-Q9 connector.Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.Specifications:Type: Laboratory ElectrodeModel: pH-990, pH-217, pH-218, pH/EC-9853, pH-117, pH-118, pH-991, pH-3012, TDS/pH-9851, ORP/pH-999Suitable SKU: E1595, E1597, E1598, E1274, E0919, E1135, E1147, E1149, E1150, E1273Display: Digital DisplayProbe Type: Sensitive Crystal Ball BubbleRange: 0.00 14.00pHResolution: 0.01pHAccuracy: ±0.1pH Temperature Range: 0 50 (32 122)Color: BlackMaterial: ABSType of Electrode Plug: Q9 BNC: Upright Length of pH Electrode Line: Approx. 1.1m / 43.3in Item Size: Approx. 65 * 25mm / 2.56 * 0.98in (H * D)Item Weight: Approx. 41.7g / 1.47ozPackage Size: Approx. 7.5 * 5 * 6.5cm / 2.95 * 1.97 * 2.56inPackage Weight: Approx. 43g / 1.52ozPackage List:1 * pH ElectrodePackage List:1 * pH Electrode