TCD Doppler sensor is also a kind of our ultrasonic transducer products. The TCD Doppler sensor is usually used for blood flow meter, and works with ultrasonic Doppler blood flow analyzer. To meet different usage requirements, the TCD Doppler sensor we provide has more than one frequency, you can accord your needs to select appropriate TCD Doppler sensor. TCD Doppler sensors can also connect various joints and medical machines, it is easy and convenient to use. TCD Doppler sensors we provide have accurate measurements results, it will not fail suddenly or result in too many different results. So you can rest assured to use it. If you have any questions about TCD Doppler sensors in your use, you can contact us for help and we'll do our best to solve the problem for you in time.