Cylindrical ultrasonic transducer TA0040182T-R

for level measurementproximity

Product overview
The TA0040182T-R ultrasonic transducer is a 40 kHz device designed for distance measurement and level sensing in waterproof open-structure installations. Available as transmitter, receiver or combined transmitter & receiver units, it is specified for industrial sensing applications that require a compact Φ18×12 mm form factor and a capacitance of 1900 pF ± 20%.

Key features

• Center resonant frequency: 40 kHz ± 1.0 kHz
• Size (diameter × height): Φ18 × 12 mm
• Capacitance: 1900 pF ± 20%
• Function: Transmitter / Receiver / Transmitter & Receiver
• Construction: Waterproof open structure
• Sound pressure level: 105 dB min (where specified)
• Sensitivity: -74 dB min (where specified)

Technical specifications

• Model: TA0040182 Series
• Center resonant frequency: 40 kHz ± 1.0 kHz
• Size (diameter × height, mm): Φ18 × 12
• Capacitance: 1900 pF ± 20%
• Function: Transmitter / Receiver / Transmitter & Receiver
• Construction: Waterproof open structure
• Sound pressure level: 105 dB min (where specified)
• Sensitivity: -74 dB min (where specified)

Applications & integration

• Industrial distance measurement and proximity sensing
• Liquid level detection in sealed or splash-prone environments
• Robotics and automated inspection systems requiring compact waterproof transducers
• Integration into OEM sensing modules and measurement panels

Mounting and handling notes

• Match drive and receive circuitry to the 40 kHz center frequency for optimal performance
• Verify electrical compatibility (capacitance and impedance) with host electronics
• Confirm sealing and mechanical mounting method suitable for the intended environment despite waterproof construction
• Refer to supplier datasheet for environmental limits and recommended soldering/connector procedures