Item Type: PH Probe_x000D_ Material: Plastic, Glass_x000D_ Product Length: Approx. 13cm / 5.1in_x000D_ Terminal Block: BNC Plug_x000D_ Wide Range of Application: Family, Aquarium, Drinking Water, Swimming Pool, Aquaculture and Laboratory. Hydroponic Culture Laboratory, Etc_x000D_ Weight: Approx. 89g / 3.1oz 1Type: This electrode is a plastic shell non filling composite electrode, is a PH meter measuring component , measuring the activity of hydrogen ions in aqueous solution (PH value) 2Special Measuring Probe: PH meters consist of special measuring probes (glass electrodes) attached to the body to measure and display pH readings 3Suitable for: BNC connector, suitable for most pH meters and controllers with BNC 4Wide Range Application: Family, Aquarium, Drinking Water, Swimming Pool, Aquaculture and Laboratory. Hydroponic Culture Laboratory, Etc 5Easy Connection: Compact size, easy to carry,and plastic glass material. The lightweight handheld design is convenientDelivery with liquid1 x_x000D_ _x000D_ PH Probe