Nominal Frequency:2.5MHz
Power Source:AA Battery
FHR Measuring Range: 50bpm-240bpm
Peak Sound Pressure:≤1MPa
power consumption:2mW
Size:135mm×65mm×30mm
Weight:376g
pubdate time:2020-01-10
description:Features: Beautiful shapeportableeasy operation Easy-to-usethe probe can be changed Accurate FHR detection with clear sound High sensitivity interchangeable probe Battery status indicator 2 display Interface : Digital display interface
Features:
Beautiful shape,portable,easy operation
Easy-to-use,the probe can be changed
Accurate FHR detection with clear sound
High sensitivity interchangeable probe
Battery status indicator
2 display Interface : Digital display interface, Curve display interface
10 set default user data storage function.
High accuracy, curve display interface, can see the fetal movement curve.
Specification:
Standard: EN61266:1995
Safety Classification: BF /Class Ⅱ /Internal power
Overall Sensitivity: ≥ 90 dB (Integrated sensitivity 200mm away from the surface of the probe)
Measuring integrated sensitivity
The Doppler frequency :(300 ± 50) Hz
Reflecting target speed:10cm / s ~40cm / s
Ultrasound transducer’s effective area: 6.0±0.5cm2.
Target velocity and display range : No narrower than 50bpm-240bpm (± 2bpm). (Beat Per Minute)
(Notes: Please go to see a doctor once the FHR is abnormal) Output power: ≤10Mw/cm2
EMC testing data (See annex Ⅱ)
Working frequency:2.5 MHz ± 10%
Spatial-peak temp-peak acoustic pressure:≤ 0.1 MPa. Effective area of transducer:6.0±0.5 cm2
Physical Characteristic:
Working environment: Temperature: +5 ℃ ~ +40 ℃
Humidity: ≤ 80% Atmospheric pressure: 86kPa ~ 106kPa
Transport and storage environment:
Atmospheric pressure: 86kPa ~ 106kPa,well-ventilated room without corrosive gases.
Battery: Two pieces of 1.5V battery(not include)
Size: 135mm (Length) ×65mm (Width) ×30 (Height) mm
Weight: 376g(without batteries)
Probe:
Working Frequency:2.5MHz
P-: ≤1MPa
Iob≤20mW/cm2
Ispta≤100mW/cm2