Machine Design

Loud Alarm

The TRTP-4540P alarm with a double-sided ceramic diaphragm is for noisy environments where a warning must be heard despite a lot of ambient noise.

The device has a rated operating voltage of 12-V p-p sine wave and produces 103 dB at a frequency range of 3.3 ±0.5 kHz. The alarm operates in temperatures from 40 to 70°C and is only 46.5 mm in diameter. The shell is made from PA66 material and comes standard in black.

Transducers USA Inc., 1400 Howard St., Elk Grove Village, IL 60007, (888) 921-6400,

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