Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component you are looking for, either search by Part Number or visit the relative department. Need Help. SENSORS Ultrasonic Sensor Compact Ultrasonic Sensor suitable for dual use, with high-performance characteristics. Standard operating frequency and good sensitivity. Ideal for use in range measurements, robot applications, alarm sensors, etc. Part Code: US1240 Features • Excellent Directivity and Sensitivity • Detection Range: Up to 12m • Nominal Frequency: 40kHz • Operating Temperature: -30oC to +85oC • Dimensions: 12mm Diameter, 10mm High excluding pins, Pins - 5mm High   Set of 2 for AUD$5.07   Long-Range Ultrasonic Sensor Long-Range Ultrasonic Sensor, ideal for use with Robots and other applications. This unit has excellent directivity and sensitivity. Suitable for dual use, with standard operating frequency. Part Code: US1640 Features • Ideal for Robots and Long-Range Measuring Applications • Detection Range: Up to 18m • Nominal Frequency: 40kHz • Operating Temperature: -30oC to +85oC • Dimensions: 16mm Diameter, 12mm High excluding pins, Pins - 6mm High   Set of 2 for AUD$5.07   Waterproof Ultrasonic Sensor Waterproof Ultrasonic Sensor for use outdoor and in high-humidity areas. Excellent for alarm systems. Part Code: US1440 Features • Ideal for Outdoor Applications • Detection Range: Up to 3m • Nominal Frequency: 40kHz • Operating Temperature: -30oC to +85oC • Dimensions: 14mm Diameter, 10mm High excluding pins, Pins - 6mm High   Set of 2 for AUD$6.37