
7700-0631-000 (Rev. 10) 03/20202
Safety Instructions
This manual provides you with important information about the 7700 Series Pressure Compensated Flowmeter and should
be read carefully to ensure the safe and proper use of this product. READ AND UNDERSTAND ALL THE SAFETY AND
OPERATING INSTRUCTIONS CONTAINED IN THIS BOOKLET BEFORE USING THIS PRODUCT. IF YOU DO NOT UNDERSTAND
THESE INSTRUCTIONS, OR HAVE ANY QUESTIONS, CONTACT YOUR SUPERVISOR, DEALER OR THE MANUFACTURER BEFORE
ATTEMPTING TO USE THE DEVICE.
Intended Use
A compensated thorpe tube flowmeter is a device intended for medical purposes that is used to control and measure
gas flow rate accurately. The device includes a vertically mounted tube with the outlet of the flowmeter calibrated to a
reference pressure.
WARNING Indicates a potentially hazardous situation, if not avoided, could result in death or serious injury.
ATTENTION Indicates a potentially hazardous situation, if not avoided, could result in minor or moderate injury.
CAUTION Indicates a potentially hazardous situation, which, if not avoided could result in damage to the device or other property.
⚠Caution, consult accompanying documents Manufacturer’s authorized representative
in the European Union
Use no oil Read L/min at center of ball Serial Number
Symbol indicates the device complies with the requirements of Directive 93/42/EEC concerning medical devices (on CE
marked devices only)
Caution: Federal (USA) Law restricts this device to sale by or on the order of a licensed healthcare provider.
Receiving/Inspection
Remove product from package and inspect for damage. If product is damaged, DO NOT USE and contact your dealer or
equipment provider.
CAUTION The tube inside the 0-200 cc/min and 0-1 L/min flowmeter is made of glass and is fragile. Special care should
be taken to avoid breaking the glass.
ATTENTION It is very important to allow product to remain in original packaging for 24 hours to acclimate to room temperature
before use.
ATTENTION Store the product in a sealed package to avoid environmental damage. The operating and storage temperature
for the Flowmeter should reflect typical environmental conditions of a medical facility environment.
User Responsibility
WARNING Service of this device should ONLY be performed by properly trained individuals. The Flowmeter must ONLY
be used under the direction of a healthcare professional who is trained in its use.
This product performs as explained in this manual, as long as the assembly, use, repair and maintenance are properly followed
according to our instructions. Periodic review of this device is recommended. If any damage or defects are present, the product
should not be used. This includes parts that may have been altered, contaminated, worn or missing. If any of the above are
noted, immediate repair / replacement is required. In compliance with the manufacturers warranty, repair of this device is not
to be performed by anyone other than a qualified professional. If this device is subject to improper maintenance, repair, use
and/or abuse leading to malfunction of the device, replacement is the sole responsibility of the user.
WARNING Due to the possibility of explosion caused by static charge, operation of this device is not to be done if flammable
anesthetics are present.
TO MINIMIZE THE RISK OF EXPLOSION OR FIRE:
• NEVER attempt to attach a Flowmeter directly to a cylinder
• NEVER use grease, oil, organic lubricants or flammable materials on or near the Flowmeter
• NEVER smoke in an area where oxygen is being used
• NEVER use any type of flame or flammable or explosive material near the Flowmeter
• ALWAYS follow CGA and ANSI standards for Flowmeters and Medical Gas Products (E-7) and Oxygen Handling (G-4)
ATTENTION Keep the Flowmeter in a clean area when not being used.