1、Waterproof Performance: High accuracy PH electrode, with excellent waterproof and field applicability, you can use it in various environments. 2、Convenient Using: The electrode features fast and accurate response, wide measurement range, and easy manipulating methods. 3、Wide Compatibility: Suitable for various PH Q9 BNC plugs, you can choose the electrode with confidence! 4、Applicable Scenarios: This electrode can be used for drinking water, aquaculture, swimming pool and scientific research institutions. 5、Easy Carrying: Comes with a storage box and the electrode is light in weight as well, you can easily take the electrode with you for convenient use! Item Type: PH Probe Sensor Mode: PH 201H Material: ABS ORP Measurement Range: 0.00 to 14.00PH Resolution: 0.01PH Accuracy: ± 0.01PH Working Temperature: 0 to 50 ℃ Probe Diameter: Approx. 1.2cm / 0.5in Electrode Length: Approx. 14.8cm / 5.8in Connection: 50OHM BNC socket Scope of Application: Laboratory, domestic water, fish tank, swimming pool, etc. 1 x PH Probe Sensor 1 x Storage Box