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Harvard Apparatus
Ventilators Selection Guide

How to Select Your Ventilator

1   In order to choose the proper ventilation product you must first decide on the
mode of ventilation control required:
Volume Regulation
Constant Pressure Regulation
Go to question 2
Go to question 2
2   You must know the specie or species you want to ventilate (select all that apply).
Once selected, go to 2a or 2b
Perinatal Mice, Small Bird / Rat, Guinea Pig* / Rabbit, Cat / Dog
2a   If you want Volume Regulation Mode you must calculate the tidal volume
and respiratory rate in order to choose the correct ventilator. Use the following formula
for mammals. After calculating, locate appropriate species, tidal volume and
respiratory rate in the chart below. Go to the pages indicated for more information or
call Technical Support at 800-272-2775 US or visit our web site for the nearest dealer.
Tidal Volume
Respiration Rate
2b   If you want Constant Pressure Mode, look at the chartbelow and compare Inspira
to the HSE KTR and select the appropriate animal weight under the correct species.
Go to the pages indicated for more information or call Technical Support
at 800-272-2775 US.
  To ventilate more than one rat or guinea pig simultaneously,
see the Multiple Channel Ventilator for Large Rodents.







NEW Capnograph Model 340 for Small Rodents

This low-volume Capnograph accurately measures end-tidal CO2 concentration in mice!

  • Sampling rate of just 10 ml/min
  • Optional Airflow and Tracheal Pressure Sensor make the Capnograph a complete respiratory monitor
  • Peak Inspiratory Flow (PIF)
  • Peak Expiratory Flow (PEF)
  • Tidal Volume (TV)
  • Respiratory Rate (RR)
  • Peak Tracheal Pressure (PTP)

Breakthrough Products for Regenerative Medicine
2011 Regenerative Medicine Brochure
100's of Innovative products developed with leading scientists & surgeons!
  • Injection & Perfusion
  • Bioreactors
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  • Total Solutions
  • Total Support

Announcing the new
PHD ULTRA™ Syringe Pumps

Click here for more information about PHD ULTRA™ Syringe Pumps and to download a brochure.

  • Patent pending mechanical design provides highest accuracy/precision & smoothest flow
  • Easy operation with advanced touch screen
  • Advanced EZ PRO™ software for PC functions without a PC.

Sign-up for a FREE Full Line Bioresearch Catalog

  • Over 11,000 specialty products to enhance your bioresearch
  • Enhanced solutions for small animal research
  • 100's of pages of specialized information on instrumentation, applications, uses of products


Products on this website are for Research Use Only. Not for use in humans unless
proper investigational device regulations have been followed.

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