Feature:1. Compatible: It is sturdy and durable, economical and practical, fully meeting the needs of various industry tests, and suitable for various PH Q9 BNC plugs.2. High Accuracy: This PH electrode is a high accuracy composite laboratory electrode with accurate measurement and wide measuring range.3. Waterproof: This PH meter BNC connector has excellent waterproof and field applicability, and can measure the PH value of various liquids.4. Replacement Parts: This probe can be used as a replacement part of the PH meter to replace the damaged original parts and prolong the service life.5. Simple Operation: The probe is durable, convenient, fast and accurate, easy to operate, convenient to use, safe and secure.Specification:Item Type: PH Probe SensorMaterial: ABSGross Weight: 112g / 4.0ozORP Measurement Range: 0.00-14.00PHResolution: 0.01PHAccuracy: 0.01PHOperating Temperature: 0-50Probe Diameter: Approx.1.2cm / 0.5inElectrode Length: Approx.14.8cm / 5.8inConnection: 50OHM BNC socketScope of Application: laboratory, domestic water, fish tank, swimming pool, etc.Package List:1 x PH Electrode