Ultrasonic working frequency | 3.0MHz (2.5MHz and 3MHz are optional, the deviation from the nominal rated acoustic working frequency is not more than ±5% |
Comprehensive sensitivity | at a distance of 200mm from the probe surface, the comprehensive sensitivity is not less than 90dB |
Display range | 50bpm~210bpm |
Ultrasonic output power | <20mW |
Skin irritation | none |
Overall bacterial count | <1000units/g |
Fecal Escherichia coli, Pseudomonas lius, Staphylococcus aureus | none |
Speed of sound | 1520-1620m/s |
Acoustic impedance | 1.5-1.7x106Pa.s/m |
Sound attenuation | <0.05dB/(cm.MHz) |
Viscosity | >15Pa.s |
PH value | 5.5-8 |
Peak negative sound pressure P_ | <0.1MPa |
Output beam sound intensity Iob | <10mW/cm² |
Spatial peak time average sound intensity ISPTA | 100mW/cm² |
Contact Person : | robin |
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