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Three calculation modes to calculate fetal heart rate: Instant,10 second average and manual



Main specification:
| Ultrasonic emitting frequency | 3.0Mhz±10% |
| Ultrasound output power | 10mW/cm |
| DC power supply | AA*2 |
| Overall sensitivity at the distances 200mm from the face of the probe | 92.4dB |
| Doppler frequency | 500±50Hz |
| Target velocity | 10cm/s~40cm/s |
| Spatial-peak temporal-peak acoustic pressure | 20.1kPa |
| Effective area of the ultrasonic transducer active element | 3.07cm2 |
| The acoustic coupling medium for normal use | ph: 5.5~8, Acoustic |
| impedance:≤1.7*105g /cm2·s | |
| Working mode | Continuous wave Doppler |
| Audio output power | <0.5 W |
| Audio out Socket | Φ2.5mm |
Packing detail:
- 1 x Fetal Doppler
- 1 x English user's manual
- 2 x Batteries

Package and delivery:
♥ Package:20 units/Carton, 8 kg/Carton
♥ Port: Shenzhen/HK
♥ Delivery time: 10 working days after Receipt of Payment
♥ Payment terms: T/T,Westernunion,Paypal
Company Advantage:
1.Professional manufacturer for 20years with advanced facility
2.Factory price with best quality
3.Accept custom order,avaliable in package
4.Offer OEM service
5.Fast service and on-time delivery
6.Samples are avaliable at any time

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