INGHAI GU14B01L03-A10 40kHz Plugin Ultrasonic Receiver & Transmitter

The GU14B01L03-A10 has a voltage rating of 140V. This typically refers to the maximum drive voltage for the transmitter element or the maximum signal voltage the receiver can handle. For proper operation, you must design your driver and receiver circuits to stay within this limit, often using pulsed or AC signals at the 40kHz resonant frequency.

Direct connection to a microcontroller is not possible. The transmitter requires a driver circuit (e.g., using a MOSFET or dedicated ultrasonic driver IC) to generate a high-voltage 40kHz pulse train. The receiver's output is a small AC signal that must be amplified, filtered, and conditioned (often with an op-amp circuit) before being read by a microcontroller's ADC or digital input for time-of-flight calculation.

The detection range is not defined by the transducer alone; it depends on your system design, including transmit power, receiver sensitivity, signal processing, and environmental factors (e.g., target material, air temperature, humidity). With appropriate driver and receiver circuits, systems using 40kHz transducers like the GU14B01L03-A10 can typically achieve ranges from a few centimeters up to several meters for larger targets.

While the transducer itself is rated for a wide temperature range (-40°C to 80°C), its housing is not specified as waterproof (IP-rated). For outdoor or wet environments, the entire sensor assembly, including the transducer's plugin connections, must be properly sealed and protected from direct water ingress and condensation to ensure reliable long-term operation.