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SAFETY INFORMATION:

High, prolonged fever requires medical attention especially for young children. Please contact your physician.

Do not allow children to take their temperatures unattended.

Read the enclosed instructions carefully to ensure accurate temperature readings. Temperature readings are
affected by many factors including exercise, drinking hot or cold beverages prior to taking a reading as 
well as technique.

Do not allow children to walk or run during temperature taking. The probe could present a hazard.

Oral, underarm, and rectal temperatures vary by approximately 0.5°C (1°F).

Keep battery away from children. Harmful if swallowed.

Do not open the thermometer except to replace the battery.

SPECIAL PRODUCT FEATURES:

*10-second read...up to 6 times faster than traditional digital thermometers.

Measures in Centigrade and Fahrenheit.

Waterproof..... for Easy Cleaning.

Long Life Replaceable Battery. 
(approximately 1500 temperatures)

Auto-Off in approximately 10 minutes.

Includes 5 free probe covers.

HOW TO CARE FOR THIS PRODUCT:

For hygienic purposes, the use of Probe Covers is recommended.

The thermometer should be cleaned after use even when probe covers are used.

Clean the thermometer using isopropyl alcohol or soap and water. Do not immerse in liquid.

Store the unit in the protective case while not in use.

Do not store or keep in direct sunlight, or at high temperatures.

Do not drop the thermometer, as this may damage the unit.

WHAT IS A “NORMAL” TEMPERATURE?:

Temperature varies with each individual. A normal temperature refers to each individual’s average temperature
while they are well. Normal average temperatures range from 36.1°C/97°F to 37.8°C/100°F when taken orally.

From an oral temperature

, you may calculate a rectal equivalent temperature by adding 0.5°C/1°F while an

underarm temperature requires subtracting 0.5°C/1°F. For example, if your oral temperature is 37°C/98.6°F this is the
same as a rectal temperature of 37.5°C/99.6°F or an underarm temperature of 36.4°C/97.6°F. Rectal temperatures
are generally considered true body temperature.

HOW TO TAKE BODY TEMPERATUR

E:

1.

Place a probe cover carefully over the tip (figure 1). 

2.

Push the on/off button located beside the display window. Hold the button
down if you choose to recall the last measured temperature. The thermometer
will beep and the display will read: “188.8°

F

”. This is a function check indicating

the unit is working properly. Next the thermometer will read L°

F

.

3.

Select oral, underarm or rectal as your measurement site based on the individual.

4.

The °F symbol will continuously flash when the unit is ready to measure temperature. Please note that “

” 

indicates a low battery. See instructions for replacing the battery before measuring temperature. Do not expect an
accurate temperature reading if this low battery indicator is present. An “Err” message in the window
indicates your unit is not functioning properly. 

ORAL USE: (for ages four years or older)

Do not drink hot or cold fluids, exercise, smoke or perform other activities prior to a
reading. These activities will raise or lower temperature readings when compared to
your normal, average temperature. The mouth should remain closed up to 5 minutes
before attempting a reading.

Place the probe tip well under the tongue in locations as indicated by the “

”. 

(figure 2) Instruct children not to bite down on the probe and keep mouth closed 
during temperature measurement.

The peak temperature should be reached in approximately 

10-20 

seconds. 

Opening the mouth or improper placement of the probe tip could result in a longer time for a reading.

When peak temperature is reached, the °F symbol will stop flashing, and the thermometer will beep
repeatedly. 

Please note: It is not necessary to hear the beep to ensure the peak temperature has been

reached. When the °F stops flashing and the display reads a consistent temperature, the peak temperature
has been reached.

*Results may vary by individual measurement and technique used. Average clinical results: 10.7 seconds rectal, 16.3 seconds
oral, 22.0 seconds under the arm. Clinical results range from 7.8 to 35.2 seconds.

R

M

Read and record the temperature and time for reference. The reading will automatically be stored in the memory.

Push the on/off button to turn the unit off. If you do not turn the unit off, it will shut off automatically
in approximately 10 minutes.         

UNDERARM (AXILLARY) USE:

Wipe underarm with a dry towel.

Place probe tip in armpit and bring arm down against the body (figure 3). 
The probe should be pointing upward in the same direction as your body if possible.

The time required for an accurate underarm temperature may be 

20-30

seconds or

longer depending on placement of the probe and closure of the arm against the body.
When peak temperature is reached, the °F symbol will stop flashing, and the thermometer
will beep repeatedly. 

Please note: It is not necessary to hear the beep to ensure the peak

temperature has been reached. When the °F symbol stops flashing and the display reads a consistent 
temperature, the peak temperature has been reached.

Read and record the temperature and time for reference. The reading will automatically be stored in the memory.

Push the on/off button to turn the unit off. If you do not turn the unit off, it will shut off automatically in
approximately 10 minutes.

RECTAL USE:

Commonly used for babies, young children or when it is difficult to take an oral or underarm temperature.

After placing the probe cover on the thermometer, lubricate with a water-soluble jelly or petroleum jelly.

Gently insert the probe tip no more than 1/2 inch or 1.3 cm into the rectum. 

Do not force the tip into

the rectum if resistance is encountered.

Dispose of the used probe cover and wash the thermometer as recommended.

The peak temperature should be reached in approximately 

10

seconds.

When peak temperature is reached, the °F symbol will stop flashing, and the thermometer will beep repeatedly.

Please note: It is not necessary to hear the beep to ensure the peak temperature has been reached. When
the °F symbol stops flashing and the display reads a consistent temperature, the peak temperature
has been reached.

Read and record the temperature and time for reference. The reading will automatically be stored in the memory.

Push the on/off button to turn the unit off. If you do not turn the unit off, it will shut off automatically in
approximately 10 minutes.

CONVERSION FROM FAHRENHEIT TO CENTIGRADE (°F/°C)

The thermometer is initially set at Fahrenheit °F.

Follow the steps below to change the measurement scale.

1.  In the off mode, Press and hold the on/off button for 4 seconds until the °F flashes.
2.  You can toggle between °C and °F.
3.

Once the desired scale is selected, the °C or °F will flash indicating ready for use.

4.

Proceed with temperature measurement.

Repeat process to reverse the measurement scale if desired.

TO RECALL THE LAST TEMPERATURE:

1.

Press and hold the ON/OFF button while turning on the unit. The last measured temperature will be shown in
the display with the letter “M” shown under the degree sign in approximately 3 seconds.

2.

Release the ON/OFF button. The thermometer will be in “ready-to-measure” mode and the recalled temperature
will be erased. Note: If the device is switched off before completion of temperature taking, L°C or LºF will
appear in memory the next time the unit is used.

CHANGING THE BATTERY:

When the “

” appears in the lower right of the display, the battery is exhausted and needs

replacing. Make sure a battery of the same type is on hand and proceed as follows:
Remove battery compartment lid and carefully slide out the battery holder. Insert
new equivalent battery type (1.5v SR41 or LR41). Ensure battery is correctly positioned
with the “+” facing up or towards the front of the unit. Carefully replace the battery
compartment lid. Ensure “O” Ring (washer) is in place to maintain water resistance.
Properly dispose of the batteries according to local regulations keeping them from small
children and heat.

WARNING: KEEP BATTERY OUT OF CHILD’S REACH. SWALLOWING BATTERY COULD BE
HARMFUL. BATTERY SHOULD NOT BE CHARGED OR PLACED INTO EXTREME HEAT AS IT MAY
EXPLODE.

Measurement Range:

32.2°C to 43.2°C/90.0°F to 109.9°F

Measurement Accuracy:

±0.1°C/±0.2°F between 35.6°C to 41.1°C/96.0°F to 106.0°F, accurate to 
±0.2°C/±0.4ºF at less than 35.6°C/96.0ºF and greater than 41.1°C/106.0ºF.

BATTERY

Figure 2

Correct Probe Placement

Distributed by:

OMRON 
HEALTHCARE, INC.

300 Lakeview Parkway
Vernon Hills, IL 60061
www.omronhealthcare.com
For Customer Service
Call Toll Free:
1-800-634-4350

LIFETIME WARRANTY

Omron Healthcare Inc. is dedicated to assuring product quality. As long as the instructions in this booklet
are followed, your Omron

®

Digital Thermometer should last for many years. In the event your Omron

®

Digital Thermometer fails to operate due to manufacturing, materials or workmanship related defects,
Omron will provide you with a replacement for as long as you own the thermometer. The replacement warranty
does not include normal battery replacement and malfunction due to abuse or improper operation. Before
sending your thermometer back to Omron, please check the battery. This is usually the source of the trouble.

MC106INST Rev A

Made in China

Figure 1

Figure 4

Figure 3

DIGITAL THERMOMETER

Model # MC-106

DISPLAY        ON / OFF   

WINDOW      BUTTON

MEASURING

SENSOR

BATTERY
COVER

Thank you for purchasing the OMRON

®

Digital Thermometer. Read all of the instructions carefully before

using this thermometer to ensure accurate temperatures and safe operation.

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