Specifications:Display: LCD screen 38mmx50mmMeasuring range: 50~210 BPMAccuracy: 2bpmResolution: 1bpmSound working frequency: 3.0MHz (2.0MHz, 2.5MHz optional)Comprehensive sensitivity: at a distance of 200mm from the probe surface, the comprehensive sensitivity is not less than 90dBPeak negative sound pressure: < 1MPaOutput beam sound intensity: < 20mW/cm?2;The average derived sound intensity of spatial peak time:
