Seller Discount
On all products
  • Get US $2.00 off on orders over US $29.00
  • Get US $3.00 off on orders over US $39.00
  • Get US $5.00 off on orders over US $59.00
(Incl. shipping costs)
If you want to purchase more than one product, please add everything to your Cart first. When you proceed to the checkout page, the Seller Discount will be automatically calculated.
Item specifics
  • Item Type: Blood Pressure
  • Model Number: Sonoline B
  • Size: 20*15*10
  • Commodity Quality Certification: CE
  • Material: P
  • Brand Name: CONTECMED
  • Application: Arm
Product Description

Welcome to Contec !



Model Number: 2Mhz-Blue-Sonoline-B

3MHz Pink Sonoline-B LCD Display Fetal Heart Rate Monitor Fetal Dopple

With Free Gel




Sonoline B Pocket Fetal Doppler is a hand-held obstetrical unit, which can be used in hospital, clinic and home for daily self-check by pregnant woman. It contains components of ultrasonic signal transmitter and receiver, analog signals processing unit, FHR calculating unit, LCD display control unit etc. Sonoline B Pocket Fetal Doppler is a high performance model with (fetal heart rate) LCD digital display. It has 3 work modes: real-time FHR display mode, averaged FHR display mode, and manual mode. It has audio output and can be connected with earphone or recorder with audio input.

Main Features

1) Battery status indicator

2) Low power inspection of the battery

3) Built-in speaker

4) Output for headphones

5) The probe can be changeable

6) Probe inspection

7) Backlight

8) Auto shut off

9) Standard: 3M straight probe

10) Two pieces of standard 1.5V alkaline battery available which can work no less than 10 hours

Main performance

Anti-electroshock Type: Internally powered equipment

Anti-electroshock Degree: Type B applied part

LCD Display: 45 mm *25 mm

FHR Measuring Range: 50 BPM ~ 240 BPM (BPM: beat per minute)

Resolution: 1 BPM

Accuracy: ± 2 BPM

Power Consumption: < 0.8 W

Voltage: DC 3.0 V

Power Supply: TWO 1.5V(AA size)alkaline battery

Suitable Using Range: Suitable for use after the 12th week of pregnancy

Auto Shut-OFF: After 1 minute no signal, power off automatically


Nominal Frequency: 3MHz

Working Frequency: 3MHz ± 10%

Ultrasound Output Power: P < 10 mW

Ultrasonic Output Intensity: Isata < 5 mW/cm2

Negative Peak Sound Pressure: p_ < 0.5 MPa

Working Mode: Continuous wave doppler

Effective Radiating Area of Transducer: 208 mm2 ± 15%


Dimensions and Weight

Dimension: (L) 135 mm *(W) 95mm *(H ) 35 mm

Weight: About 180g




Probe Frequency:

3MHz  or 2MHZ, you can leave a message for which model, please, or we will send randomly, thanks for your support!


2MHz probe is suitable for fat pregnant woman

3MHz probe is suitable for thin pregnant woman

Ordinary pregnant woman please select 3MHz probe, 3MHz is more sensitive than 2MHz

Packaging Details
  • Unit Type: piece
  • Package Weight: 0.400kg (0.88lb.)
  • Package Size: 20cm x 15cm x 10cm (7.87in x 5.91in x 3.94in)

Customer Reviews

Please tell us what you think and share your opinions with others. Be sure to focus your comments on the product.

Shipping Company Shipping Cost Estimated Delivery Time
If you finish the payment today,
your order will arrive within the
estimated delivery time.
Tracking Information
China Post Registered Air Mail
US $7.98 Free Shipping
26-49 days (It may take longer during the holiday seasons.) Not available
Fedex IE
US $76.09 US $25.12
You save: US $50.97 (about 67%)
12-21 days Available
US $46.86 US $25.78
You save: US $21.08 (about 45%)
20-37 days Available
US $93.53 US $56.12
You save: US $37.41 (about 40%)
8-17 days Available
US $95.06 US $71.29
You save: US $23.77 (about 25%)
11-20 days Available
  • Note: Shipping costs shown include fuel surcharges. Import duties, taxes and other customs related charges are not included. Buyers bear all responsibility for all extra charges incurred (if any).
  • Note: UPS shipping cost savings displayed above reflect discounts offered to sellers. They may also include other promotions, subsidies or discounts offered by individual sellers to their buyers, and are only valid on transactions completed via
IMPORTANT: China Post Air Mail, China Post Air Parcel, HongKong Post Air Mail, HongKong Post Air Parcel may not be tracked and may result in delays or lost parcels.
We support the following payment methods. All payments are processed by