Feature:1. Various Parameters: The noncontact level sensor has NPN output, 500mS response time and DC5V input voltage.2. Corrosion Resistance: The level sensor will not be corroded by strong acid and alkali and other corrosive liquids, and will not be affected by scale or other sundries.3. Liquid Level Memory: The sensor has intelligent liquid level reference adjustment and liquid level memory function, liquid level status display mode, and can realize multiple points of series connection.4. Pure Electronic Circuit Structure: The liquid level sensor is accurate and stable in detection, pure electronic circuit structure, non mechanical working mode, stable performance.5. Usage Scenario: The noncontact level sensor is suitable for use on the outer wall of non metallic pipes without direct contact with the liquid.Specification:Item Type: Non Contact Liquid Level SensorMaterial: PCModel: XKC Y21 NPNCurrent Consumption: ±8mAOutput Mode: NPNResponse Time: 500mSRipple And Noise Voltage: <1000mvppLiquid Level Accuracy: ±3mmEnvironmental Certification: ROHS 2.0Input Voltage: DC5VOutput Current: ≤100mAOperating Ambient Temperature: -20 to 75℃Sensing Thickness (Sensitivity) Range: ≤5mmSafety Standard Certification: CE.Package List:1 x Water Level Liquid SensorNote:Cautions.1. Double sided adhesive made of foam wool must not be used.2. The container material must be insulating material.3. Try to use a uniform material without air interlayer, no air bubbles, not absorbent, the dielectric constant does not easily change the material for the container.