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OBSTETRICAL DOPPLERS

Model 611-L Obstetrical Doppler

Features:
  • Built-in speaker
  • Approximate 2.2 MHz frequency
  • Rechargeable battery
  • Flashing light indicates low battery
  • Large speaker for better sound
  • Auxiliary headphone output
  • Built-in probe and gel storage area

This is our most popular obstetrical Doppler, one we have made for several years.  This is as sensitive an obstetrical Doppler as you can buy.  The attractive cabinet has a built-in storage compartment for probes and gel.

611-L Obstetrical Doppler

 

Model 641-A Obstetrical Doppler

Features:

  • Built-in speaker
  • Auto-shutoff
  • Approximate 2.2 MHz frequency
  • Operates on a 9-volt alkaline battery
  • Auxiliary headphone output

641-A Obstetrical Doppler

This Doppler is successor to our Model 641.  The battery drain is about half that of the older Model 641.  It has a built-in timer switch that automatically shuts off the power after about 5 minutes.  The timer protects the battery when the instrument is inadvertently left turned on.

A clip on the back of the instrument lets you carry it on your belt or in your pocket.

Our Model 641-A approaches the sensitivity of the bigger units, however, a smaller Doppler is always a compromise.  Its portability has made it very popular and its sensitivity is adequate for nearly all needs.

 

Model 614-B Obstetrical Doppler

Features:
  • Built-in speaker
  • Approximate 2.2 MHz frequency
  • Rechargeable battery
  • Flashing light indicates low battery
  • Auxiliary headphone output

The Model 614-B uses the same electronics as the Model 611-L but since it is housed in a smaller cabinet it uses a smaller speaker.  The sound reproduction is still adequate for most needs.  This unit operates on a rechargeable battery that cannot be overcharged.

614-B Obstetrical Doppler

Prices available at Parks Domestic Price List

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