Hyde Park Superprox Ultrasonic Analog Sensor SM556A-400LE

The Hyde Park Superprox SM556A-400LE is a compact ultrasonic analog sensor designed for precise distance measurement and object detection in industrial automation applications. This sensor utilizes ultrasonic technology to provide reliable, non-contact sensing, making it ideal for environments where traditional sensors might fail due to dust, dirt, or varying surface conditions. Key features include an analog output (4-20 mA) for continuous distance feedback, adjustable sensing range, and robust construction suitable for harsh industrial settings. It operates on 15-24 VDC with low power consumption (<=60 mA), ensuring energy efficiency. Advantages over similar products include its small form factor for easy integration, high accuracy in detecting a wide range of materials (including transparent or irregular shapes), and immunity to color or light variations, outperforming optical sensors in contaminated areas. Drawbacks may include sensitivity to extreme temperatures or heavy acoustic interference. Common applications encompass level control, position sensing, and quality inspection in manufacturing, packaging, and material handling systems. Based on attached images, the unit appears to be in used but good condition, with no visible damage, scratches, or wear on the housing and sensing face. Serial number 0102 60661 is visible, suggesting a manufacture date around 2001-2002. No parent/child assets are attached. For resources, refer to the official Schneider Electric (Hyde Park) website for datasheets (e.g., https://www.se.com/us/en/product/SM556A400LE/superprox-ultrasonic-analog-sensor/) and model decoder guides.