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Hallowell EMC 2002 PRO Series Anesthesia Ventilator
with Adjustable I:E Ratio 0-300ml
The Model 2002 became our best-selling ventilator with the addition of a fine volume control valve. Now with the Model 2002PRO we have simplified the Model 2002 with the replacement of the two volume control valve knobs to one volume control valve knob which has the functionality of both.
New Features in ALL 2002PRO Ventilators
A Low Supply Gas Pressure Alarm, now standard on all units, will sound when the supply gas pressure falls below 35 psi, 2.4bar and stops around 42 psi. The normal supply gas operating pressure is 50psi or 3.5bar. It is not until 35psi or 2.4bar that the ventilators delivered volume will begin to drop off proportionally with the waning supply pressure.
The single valve turns a total of nine and a half times; the first two and a half turns utilizing the slight, minute changes for pediatric animal patients, and the remainder of the rotations for use with the adult and extra large bellows and housings.
All other parts and accessories for the Model 2002PRO have remained the same.
The Hallowell EMC Model 2002PRO is electronically controlled, time-cycled, pressure limited ventilator.
Electronic control— Eliminates the substantial driving gas required to operate pneumatically controlled ventilators.
Electronic control— Eliminates the substantial driving gas required to operate pneumatically controlled ventilators.
Time cycled— Ensures consistently spaced breaths. The possibility of stacking breaths or auto-PEEP is eliminated by keeping the I:E ratio constant at 1:2. This means that regardless of the respiratory rate setting two-thirds of the breath will remain for expiration. The respiratory rate is adjustable from 6 – 40 breaths per minute (BPM).
Volume constant— Ensures that each delivered breath will have essentially the same volume, independent of changes in animal patient compliance and airway resistance. The deliverable tidal volume (TV) range is from approximately 20 cc to 3,000 cc.
Pressure Limited— Provides for animal patient safety by limiting the maximum working pressure (MWPL) to a user adjustable pressure range of 10 – 60 cm H2O.
Ventilators are equipped with dual airway pressure alarms that monitor and sound when the peak inspiratory pressure (PIP) of any breath either exceeds the preset maximum working pressure limit (MWPL); or fails to reach 6 cm H2O as in the case of a disconnect.
Adjustable I:E Ratio
Available on all models of the 2002 and 2000 is the option of having an adjustable I:E Ratio control. Normally, without this option, the I:E Ratio is fixed at 1:2, that is, 1/3 of the period of each breath is inspiration and 2/3 of each breath is exhalation. Regardless of the respiratory rate, the animal patient will always have 2/3 of the cycle to exhale. This I:E ratio can also be adjusted to a fixed value other than 1:2 at no extra charge.
The adjustable range is from 1:1.5 to 1:4. The pros and cons are that this option affords the operator more flexibility in dealing with animals that have compromised lung function. But during anesthesia most animal patients are lung healthy and the addition of this control can add to the complexity of setting the ventilator. For example consider that you have a hypocapnic animal patient. To bring that animal patients’ CO2 level to a more normal range you must decrease the overall gas exchange, the Minute Volume (MV). Without this option, only one knob controls the MV, that is the Volume control. With this option; however, increasing the I:E ratio would also cause a reduction in MV.
At VASS, we are committed to ensuring your equipment operates at peak performance. If you need assistance with setup, troubleshooting, or routine maintenance, our team is here to help.
Getting Started
Refer to the user manual included with your equipment for setup instructions.
Check the Downloads tab for available manuals, guides, and troubleshooting documentation.
Need Help?
📞 Call Us: 800-498-5575
📧 Email Support: info@vasservice.com
🔧 Schedule a Service: Contact our team to request maintenance or repairs.
For additional resources, visit our Video Support Library, where you can find installation guides and service walkthroughs.
Why Choose VASS?
✔ Certified & Experienced Technicians – Specializing in veterinary anesthesia services.
✔ Flexible Service Options – On-site and mail-in repairs to minimize downtime.
✔ Commitment to Safety & Compliance – Helping you meet ACVAA standards with every service.
✔ Fast, Reliable Customer Support – Your trusted partner in anesthesia equipment care.
Veterinary Anesthesia Support & Service
Ensuring the safety and efficiency of your
veterinary anesthesia and dental equipment
with expert service and support.
Preferred Partners
At VASService, we pride ourselves on offering products from the most trusted and respected brands in veterinary care. Each brand we partner with is selected for its commitment to innovation, quality, and reliability, ensuring you have the best tools to care for your patients.
