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12-2
VC150 Vital Signs Monitor
KO00065K
Exergen temperature: Description
Description
The monitor can use the Exergen Temporalscanner technology if it has the 
Exergen temperature parameter (temperature parameter displayed on the 
screen and Exergen connected to the monitor USB port).
Temporalscanner technology 
provides a method of temperature 
assessment based on infrared 
measurement of the thermal 
radiation of the skin. The temporal 
artery is used as a sampling site 
because of its relatively constant 
perfusion rate. While the scanner 
senses temperature from the area 
of the temporal artery, it can 
optionally report temperature 
readings referenced to either 
central arterial temperature or oral 
temperature.
Temperature values are shown in 
degrees Celsius or Fahrenheit on 
the monitor screen and on the 
scanner’s LED display screen. The 
LED display screen displays the 
temperature, but does not display 
the unit of measurement.
The preset unit of temperature measurement on the monitor screen and the 
Exergen LED display can be changed by service personnel only.
NOTES
Arterial temperature is close to rectal temperature, approximately 0.4° C 
(0.8º F) higher than oral temps. Expect larger differences at times, however, 
as the dynamics of thermoregulation favor the temporal artery method. 
Arterial temperature is the same temperature as the blood flowing from the 
heart via the pulmonary artery. It is the best determinant of body 
temperature, and unaffected by the artifactual errors and time delays 
present with oral and rectal methods.
The scanner takes a single instance of a temperature measurement. 
Exergen technology does not support continuous monitoring.
A monitor with the Exergen temperature technology configuration setting 
cannot perform Welch Allyn temperature measurements and vice versa.
Use this product only for its intended use as described in this manual.
Do not take temperature over scar tissue, open sores, or abrasions.
The thermometer is not shockproof. Do not drop it or expose it to electrical 
shocks.
Do not autoclave. Please note cleaning and sterilizing procedures in this 
manual.
Probe 
cone
On button
LED display 
screen
Probe 
lens
Battery 
compartment