TRANSMITTER, ULTRASONIC, 32.8KHZ, 25MM, Audio Piezo Transducers 328ET250

This 32.8 kHz ultrasonic transmitter from the Audio Piezo 328ET250 series is designed for applications requiring precise resonant frequency transmission. With a 25 mm diameter and a 33° beam angle, it offers suitable directivity for proximity detection or ultrasonic measurement systems.

Housed in a robust aluminium casing, this module supports an input voltage of 20 VAC and operates within a temperature range of -30 °C to +80 °C. Its high sensitivity of 113 dB ensures effective signal transmission over short distances.

Specifications

• Resonant Frequency: 32.8 kHz
• Diameter: 25 mm
• Sound Pressure Level (SPL): 113 dB at 30 cm
• Beam Angle: 33°
• Capacitance: 2400 pF
• Input Voltage: 20 VAC
• Casing Material: Aluminium
• Operating Temperature: -30 °C to +80 °C
• Lead Spacing: 10 mm