SKU: DD-901
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DigiDop DD-901 Fetal/Vascular Tabletop Doppler


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Introducing the DD-901, a sophisticated tabletop/wall mount vascular Doppler featuring two large, powerful forward-facing speakers that deliver an immersive room-filling sound experience. With its expansive, sharp, and brilliantly bright display, the DD-901 provides users with clear visibility of the pulse rate and other vital system information.

Powered by a robust digital processor, the DigiDop employs state-of-the-art Digital Signal Clarity technology, effectively eliminating background noise and amplifying the signal to ensure exceptional clarity. The device’s advanced True Auto-Correlation capability enables fast and accurate pulse rate calculations, instilling confidence in the accuracy of the results.

Designed to meet the highest professional standards, the DD-901 sets a new benchmark in performance. Its exceptional features and unparalleled performance make it an indispensable tool for a wide range of medical applications.

Doppler Brand

Doppler Probe Frequency

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Doppler Type



DigiDop 901 with 2MHz probe, DigiDop 901 with 2MHz waterproof probe, DigiDop 901 with 3MHz probe, DigiDop 901 with 3MHz waterproof probe, DigiDop 901 with 5MHz vascular probe, DigiDop 901 with 8MHz vascular probe


DD-901 Tabletop or Wall Mount Doppler – Rechargeable

The DigiDop Model 901 is a counter top or wall mount Doppler that features a larger, more powerful forward facing speaker for room filling sound. Advanced digital sound processing enhances the sounds you want to hear while reducing those you don’t. The DD-901 provides a large, sharp, bright display of the heart rate. The display also indicates battery, volume, and signal strength status. The readout can easily be seen in a variety of conditions. The powerful digital processor in the DigiDop performs a true auto-correlation calculation for fast, accurate heart rate.

Superior sound quality

DigiDop Dopplers have the sensitivity and audio response to allow you to hear the fetal heart tones quickly and clearly. All our DigiDops have our state of the art Digital Sound Clarity – DSC™. A sound processor in the main unit enhances the sounds you want to hear while reducing those you don’t. The DSC™ processing is optimally set for each different probe frequency.

The DigiDop 901 speaker has 2 powerful high fidelity speakers that have an extraordinarily smooth and rich response over the whole range of Doppler sounds.

Fetal and Vascular Probes

All DigiDop fetal probes provide the sensitivity and reliability you need. All probes will work on all DigiDops for maximum versatility.   Our 2 and 3 MHz fetal probes utilize our exclusive eXtended Depth – XD™ technology that has increased sensitivity at closer depths without sacrificing it at deeper depths. These probes create more than six times as much signal at some depths that other probes. All our fetal probes have a smooth contour design that is comfortable to hold, comfortable for the patient, and easy to clean.

  • 2 MHz probes provide excellent deep penetration for late term pregnancy or larger patients.
  • 3 MHz probes are especially sensitive to early fetal hearts but can also be used throughout the pregnancy.
  • Both 2 and 3 MHz probes are available in water proof versions for water-assisted labor and delivery. These waterproof probes can be removed from the DigiDop and replaced with a standard probe.
  • 5 MHz probes provide excellent deep penetration for deeper arteries and veins
  • 8 MHz probes are especially sensitive for vessels near the surface like the radial, posterior tibial, and dorsalis pedis arteries.
  • PPG probe. The DigiDop family of vascular probes also includes a unique PPG probe that generates an audible sound with each pulse. It is an excellent diagnostic tool for obtaining pulses in the digits to assist in toe-brachial index or penile index measurements.

Built to last

With our industry-leading five-year warranty we have made sure that the DigiDop will stand up to hard use day after day. The combination of our sturdy design and warranty can save you significant service costs.

The body is made of a mix of tough plastics with a unique stainless steel grill over the speaker. Our latest DigiDop’s smooth, clean lines are also more comfortable in the hand. The grill now has micro-screen openings to protect the speaker; the speaker itself has an internal sound transparent fabric cover to keep out dirt and dust.

Our unique magnetic probe holder won’t crack or break and gently cradles the probe when not being used. The strong magnets we use hold the probe without being sensitive to how it’s rotated. The open design avoids gathering dirt, gel and germs.


Level of Protection against electrical shock

Type B Applied Part

Class II Equipment

Designed to meet the following standards: IEC60101-1; IEC60601-2; IEC60601-2-37

Dimensions-imperial (h x w x d): 9” x 6” x 3.5”

Dimensions metric (h x l x w): 230 x 155 x 90 mm

Weight (with batteries): 540 grams (19 ounces)

Operating Temperature: 10° to 40°C (50° to 104°F)

Operating Humidity: 30% to 75%

Transport/Storage Temperature: -20° to 50°C (-4° to 122°F)

Transport/Storage Humidity: 5% to 90%, non-condensing

Battery Voltage, type: 3 x 1.2 volts, AA NiMH

Battery Life: NiMH: 500, 1-minute exams

Audio Bandwidth and power: 100Hz – 3000Hz, 1.0W

Heart Rate Calculation accuracy: +/- 3 BPM

Audio Cable Interface: 3.5mm stereo plug