2.5MHz Medical Ultrasonic Probe Ultrasonic Sensor for Liver Stiffness

Pulse echo maximum response frequency fP(Mhz)

Pulse echo bandwidth△f

pulse center frequency F0(Mhz)

Pulse echo width (duration)

(μs)

Relative pulse echo sensitivity level

(dB)

Total resonant impedance

(Ω)

Static capacitance(Pf)

Pressure resistance 4000V

2.55

1.5

2.5

1.7

-24.0

80

1100

√

2.55

1.5

2.5

1.7

-24.0

83

1100

√

2.55

1.7

2.6

1.7

-24.0

87

1090

√

2.55

1.6

2.5

1.7

-24.0

85

1070

√

2.55

1.5

2.5

1.7

-24.0

84

1060

√

Technical Parameter

Custom processing

Yes

Production process

Ultrasonic transducer

Purpose

This probe is used in medical liver hardness tester,it has high sensitivity and high resolution.

Center frequency (-6dB)

2.5MHz/3MHz/5MHz (±0.3MHz)

Effective diameter

Φ5mm、Φ7mm

Transceiver sensitivity

≥-32dB

Echo pulse width（－20dB)

≤800ns

Relative bandwidth（－6dB)

＞60%

Physical Parameter

Static capacitance

2200±15%

Probe focal length

5cm

withstand voltage test of shell

IPX7 4000V

Contact surface can pass biocompatibility report

The above tests are carried out below 25℃

Accept customization