Features1High Precision Measurement: PH electrode ensures reliable and correct measurement of PH values, ensuring the accuracy of experimental results. 2Unique Design: Using composite electrode technology to extend electrode life and improve performance stability and reliability. 3BNC Interface: With a user friendly BNC interface, the PH electrode can be quickly and easily connected for seamless operation. 4Easy Charging: Designed with rechargeable batteries for quick and convenient battery replacement, enabling prolonged usage. 5Multiple Use: Widely applicable in various fields, including laboratories, schools, and workshops, catering to the PH testing needs of different environments.SpecificationItem Type: PH ElectrodeMaterial: ABS, glassElectrode Length: Approx. 19cm/7.48in (not including cable) (shipped with liquid)Interface: BNC interfaceApplication: Suitable for drinking water, laboratory, freshwater fish culture, swimming pool, marine fish culture, hydroponic culturePackage List1 xPH Electrode 1 x Electrode Liquid 1 x User Manual