The electrode is composed by the pH glass electrode and reference electrode. It is the measuring element 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 Electrode Model: pH-990, pH-217, pH-218, pH/EC-9853, pH-117, pH-118, pH-991, pH-3012, TDS/pH-9851, ORP/pH-999 Suitable SKU: E1595, E1597, E1598, E1274, E0919, E1135, E1147, E1149, E1150, E1273 Display: Digital Display Probe Type: Sensitive Crystal Ball Bubble Range: 0.00 ~ 14.00pH Resolution: 0.01pH Accuracy: ±0.1pH Temperature Range: 0°C ~ 50°C
