BNC connector, suitable for most pH and control unit BNC connections. Ideal for a wide range of aquariums, hydroponics, laboratories, and more. Response Time: ≤ 1 minute Operating Temperature: 0-60°C Temperature: 0-50°C Connection: Low-noise cable direct lead. Zero Potentiometer (PH): 71 PH Range: 0-14 Error (mV): ≤ 15 Internal Resistance Mohm(25): ≤ 250 Theoretical Percentage Slope %: = 97 Terminal Block: BNC Connector Repeatability (pH): ≤ 0.017 Note: Product updates may occur, leading to slight differences or color variations. Please consider this before ordering if you have specific color or appearance preferences. Color: As Shown Material: Plastic Package Contents: 1 * Electrode Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.