20MHz ophthalmic a-scan ophthalmic ultrasound equipment

model

20C-P

crystal size

Ø 2mm

-6dB central frequency

20MHz (±10%)

-6dB relative sensitivity

≥ -40db

-6dB relative bandwidth

≥ 50%

Relative bandwidth

>60%

relative sensitivity

>-36dB

Echo pulse width

<0.4μs

-20dB pulse width

≤150ns

investigation depth

≥ 20mm

test precision

± 0.02mm

repeated accuracy

± 3%

Minimum test thickness

0.15mm （steel）

Operating frequency

5MHz

7.5MHz

10MHz

13MHz

Relative bandwidth

>50％

>50％

>60％

>60％

relative sensitivity

>-24dB

>-30dB

>-35dB

>-42dB

Echo pulse width

<0.7μs

<0.55μs

<0.4μs

<0.35μs

Application

For pets, livestock measuring fat

For pets, livestock measuring fat

For measuring distance in ophthalmology

For measuring thickness in ophthalmology