Specialized liquid level sensor for dispensing machine equipment, RF admittance level gauge, based on the principle of RF admittance for continuous liquid level measurement. This product has the advantages of high stability, high sensitivity, and wide applicability. Compared to traditional capacitive level gauges, the product adopts a modular design, which enables simple and convenient instrument settings. Once the settings are completed, it can be used normally. Enable users to intuitively understand the operation of the equipment and promptly address any issues that arise, making it equally safe and reliable in complex industrial settings.