Feature: 1. [Composite Electrode] Plastic shell non fillable composite electrode, which is a PH meter measuring elements, which measures the activity of hydrogen ions in aqueous solutions. 2. [Glass Electrode] The pH meter consists of a special measuring probe (glass electrode) connected to the body for measuring and displaying pH readings. 3. [BNC Connector] With BNC connector, suitable for most pH meters and controllers with BNC, so you can use it with confidence. 4. [High Sensitive] PH electrode can improve the response peed, measurement accuracy and stability, corrosion resistance, to meet your various need. 5. [Widely Application] Widely used in many situations, such as homes, aquariums, drinking water, swimming pools, aquaculture, laboratories, hydroponics, etc. Specification: Item Type: PH Electrode Material: Plastic, glass Product Length: Approx. 14cm / 5.5in Measuring Range: 0.00~14.00 PH Response Time: ≤ 1min Working Temperature: 0-60°C Terminal: BNC plug Cable Length: Approx. 1m / 3.3ft Application: Homes, aquariums, drinking water, swimming pools, aquaculture, laboratories, hydroponics Weight: Approx. 109g / 3.8oz. Package List: 1 x PH Electrode