Specification: Gestational weeks: not less than 12 weeks Working Temperature: 5 - 40 Deg.C / 41 - 104 Deg.F Storage / Transportation Temperature: -20 - 55 Deg.C / -4 - 131 Deg.F Working Humidity: 15 - 85 percent Storage / Transportation Humidity: 10 - 93 percent Atmospheric Pressure: 86 - 106kPa Integrative Sensitivity: Not Less than 90db FHR Measuring Range: 50 - 210 BPM ( BPM : beat per minute ) Accuracy: + / - 2 BPM Speaker Power: 0.5W Power: 2 AA Batteries ( not included ) Working Frequency: 2.125 - 2.875 MHZ Spatial-peak Temporal-peak Intensity: Less than 21.7kPa Ultrasonic Output Intensity: Less than 10mW Powered Source: Dry Battery Display type: Color Feature: LCD Display,Portable Pattern Type: Solid LCD Size: 1.8 inch Batteries Required: Yes Technical Feature: Other
Trustpilot
1 month ago
1 week ago
