BNC connector, suitable for most pH and controller BNC connectors. Application: Suitable for a wide range of aquariums, hydroponics, laboratories, and other applications. Response time: ≤1 min. Operating temperature: 0℃ to 60℃. Temperature range: 0℃ to 50℃. Connection form: Low-noise cable leads directly. Zero potentiometer (pH): 7±1. pH range: 0–14. Error (mV): ≤15. Internal resistance (Mohm at 25℃): ≤250. Theoretical percentage slope: 97. Terminal blocks: BNC plug. Repeatability (pH): ≤0.017. Tips: Product may be updated periodically; actual product may have slight differences in color or appearance. Please consider this before ordering if specific color or appearance is required. Color: As shown. Material: Plastic. Package contents: 1 × Electrode sensor. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. Measurement error allowance: ±1–3 cm.