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Labtron 222 Wallmax Professional Aneroid Sphygmomanometer 

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Infl ating the cuff:

 Close the bulb’s air valve by turning 

the air release valve clockwise. Squeeze the infl ation 
bulb at a steady rate until the gauge’s needle points at 
approximately 30mmHg above the individual’s normal 
systolic pressure value. If the individual’s normal blood 
pressure is not known, it is recommended to infl ate to 
200mmHg.

Systolic blood pressure reading:

 Open the air release 

valve slowly by turning it counter-clockwise while holding 
the diaphragm of the stethoscope over the brachial artery. 
Proper defl ation rate is vital for an accurate reading. The 
recommended defl ation rate is 2-3mmHg per second, or a 
drop of one to two marks on the pressure gauge with each 
heartbeat. 

Do not keep the cuff infl ated any longer than 

necessary.

 As the cuff begins to defl ate, listen carefully 

with the stethoscope. Note the reading on the gauge as 
soon as a faint, rhythmic tapping or thumping sound is 
heard. The fi rst sound is the systolic pressure reading. 
Always check with your health care provider to ensure 
readings are performed correctly.

Diastolic blood pressure reading:

 Allow the pressure to 

continue dropping at the same defl ation rate. Note the 
reading on the gauge when the last audible thumping, 
swishing, or blowing sound is heard; this is the diastolic 
blood pressure reading. After a few seconds have passed 
and no audible thumping, swishing, or blowing sounds 
are heard, defl ate the cuff using the air release valve 
completely. Remove the cuff and stethoscope from the 
arm.

Record the systolic and diastolic readings. Repeat the 
measurement two or more times to ensure accuracy. Only 
a patient’s physician is qualifi ed to analyze blood pressure.

Labtron 222 Wallmax Professional Aneroid Sphygmomanometer 

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222 Wallmax Professional

Aneroid Sphygmomanometer

INSTALLATION

The Wallmax Aneroid Sphygmomanometer wall mount 
is packaged complete with gauge, swivel bracket, and 
mounting screws.

Info: Mount the gauge at the intended users' eye level to 
facilitate easy measurement reading.

  WARNING: The wall bracket mounts on two screws which 

are installed in the wall. You must mount these screws in 
a wall stud; otherwise, the sphygmomanometer could fall, 
resulting in damage to the sphygmomanometer and/or 
personal injury.

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