Specification Brand : Weytoll BulletPoint1 : BNC connector, suitable for most kind of PH meter. BulletPoint2 : Low impedance glass sensitive bulb, improve reaction speed, accurate and stable measurement. BulletPoint3 : 0.75m long cable for convenient using. BulletPoint4 : Corrosion resistance for long service time. BulletPoint5 : It is widely used in laboratories, swimming pools, hydroponics and other occasions. ItemName : Weytoll PH Probe for Water, PH Replacement Probe Aquarium Hydroponic Laboratory Electrode PH Meter Probe BNC Connector PH Meter Sensor ItemPackageDimensions_Height : 3.8 centimeters ItemPackageDimensions_Length : 21.5 centimeters ItemPackageDimensions_Width : 8.8 centimeters ItemTypeKeyword : science-lab-ph-meters Manufacturer : Weytoll PartNumber : TQH1914874997534EO ProductDescription : This product is a PH meter measuring sensor, used to measure the PH value of liquids, widely used in all fields where PH values need to be measured.