Machine Design

Ceramic-Diaphragm Transducer

The TRTP-4540P sonic alarm uses double-sided ceramic diaphragms for use in high noise environments.

The unit uses a 12-Vpp sine wave to produce 103-dB sound output in the frequency range of 3.3 ±0.5 kHz. The alarm operates over a temperature range of 40 to 70°C and is housed in a 46.5-mm-diameter housing made of black PA66 material. Transducers USA Inc., 1400 Howard St., Elk Grove, IL 60007, (888) 921-6400, tusainc.com

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