Features1Fully Waterproof: ORP 201H high accuracy composite laboratory electrode has waterproof performance and wild field applicability. 2Accurate and Extensive Measurement: The ORP electrode has a wide detection range, with a measurement range of ?2000 to +2000 ORP. Its measurement is accurate, with an accuracy of 10mV. 3Durable and Practical: Rugged and durable, economical and practical, ORP electrode fully meets the needs of various industry tests, and adapts to various ORP Q9 and BNC connectors. 4Ideal Replacement Probe: Our ORP electrode can be regarded as an ideal replacement probe for ORP meter, ORP controller or any ORP device that has a BNC input terminal. 5Usage Scenarios: ORP electrode is generally used in scenarios requiring water testing, include growing tent, reservoir, water tank, and hydroponics.SpecificationItem Type: ORP ElectrodeMaterial: ABSWeight: Approx. 112g/3.95oz Probe Diameter: 1.2cm/0.47inElectrode Length: 14.8cm/5.83inORP Measurement Range: - 2000-+2000Resolution: 1mVAccuracy: 10mVOperating Temperature: 0-50Connection: 50ohm BNC socketApplication: laboratory, domestic water, fish tank, swimming pool, etcPackage List1 x ORP Electrode