Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris. Being able … ...

A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...

Carlo Gavazzi's new ultrasonic sensors offer flexibility, rugged durability, and increased accuracy, along with a compact design, to take on harsh environments. The UA12, UA18, and UA30 (see ...

Waterproof ultrasonic transducers offer angle and range choice CUI Devices has introduced ultrasonic transducers with ingress protection ratings of IP67 or IP68, operating up to 400kHz. There are 18 ...