Omron MC-670 User Manual
DIGITAL THERMOMETER
Model MC-670
Thank you for purchasing the OMRON MC-670 Digital Thermometer.
The thermometer you purchased offers a safe, accurate and quick temperature reading. You can measure your temperature either in
the mouth (orally) or in the armpit (axillary). This thermometer eliminates any worries about broken glass or mercury hazards. Note
that your temperature is affected by smoking, eating or drinking.
Thoroughly read this instruction manual before using your OMRON MC-670 Digital Thermometer. Contact your doctor if you
have any questions regarding specific temperatures.
Note: The thermometer cannot be used to measure your temperature in the rectum (rectal temperature).
IMPORTANT SAFETY NOTES
To assure the correct use of the product basic safety, measures should always be followed including the precautions listed below.
WARNING
• Please note that the temperature reading can be affected by various physical circumstances. Please consult a doctor if the
thermometer measures abnormal temperatures over a prolonged period of time.
• Carefully read and follow the enclosed instructions to ensure accurate temperature readings. Note that temperature readings are
affected by many factors including physical exertion, the drinking of hot or cold beverages before measurement, as well as
measuring technique.
• Please keep still during measurement.
• The use of temperature readings for self-diagnosis is dangerous. Consult with your doctor for the interpretation of results.
Self-diagnosis may lead to the worsening of existing disease conditions.
• This thermometer is used for taking temperatures through oral or underarm. Do not attempt to take temperatures at other sites,
such as in the ear, as it may result in false readings and may lead to injury.
• Store the thermometer out of the reach of children. Do not allow children to take their temperatures unattended. Children may
injure themselves when attempting to take temperatures without supervision.
• Do not leave the thermometer and its small parts where children can get to them. Children may swallow them. Should a child
swallow the battery or battery cover, contact a doctor immediately.
• Do not attempt measurements when the thermometer is wet as inaccurate readings may result.
CAUTION
• Do not bite on the thermometer. Doing so may lead to breakage and/or injury.
• Do not attempt to disassemble or repair the thermometer. Doing so may result in inaccurate readings.
• Do not attempt to incinerate the battery. It may burst.
• Pay attention to polarity ( ) when replacing the battery. Failure to do so may lead to fluid leakage, heat generation or bursting,
resulting in damage to the unit.
• Remove the battery when the thermometer will not be used for 3 months or more. Failure to do so may lead to fluid leakage, heat
generation or bursting, resulting in damage to the unit.
• Changing and disposal of the battery has to be handled with reference to this manual and has to take place in accordance with the
regulations of the country.
• Do not use mobile phones near the thermometer.
• Do not use the thermometer in places where strong static electricity or electromagnetic fields are present. Doing so may lead to
inaccurate readings and may contribute to instrument failure.
• Do not expose the thermometer to shocks.
• Do not step on the unit or the strorage case.
• After each use, disinfect the thermometer especially in case the device is used by more than one person. Please refer to
“CLEANING AND DISINFECTING”.
• Do not attempt to disinfect the sensor tip of the thermometer by immersing in alcohol or in hot water (water over 122°F (50°C)).
• Do handle the thermometer with care and do not use the thermometer for anything else than the intended use on human beings.
GENERAL SAFETY PRECAUTIONS
• Do not use the thermometer to measure anything other than human body temperatures.
• Do not drop the thermometer and strorage case or expose them to shock or vibration.
• Do not store the thermometer in the strorage case when it is damp. Wipe it off with a dry cloth first.
• Avoid taking the temperature until after 30 minutes has lapsed after exercise, bathing or eating/drinking.
• Never submerge this thermometer in any liquid since it is not water resistant.
OVER VIEW
Display Window
Sensor Tip
Battery Cover
Storage Case
SWITCHING BETWEEN FAHRENHEIT/CENTIGRADE (CELSIUS)
The thermometer default is set to Fahrenheit °F.
To change the measurement mode from °F (Fahrenheit) to °C (Centigrade), follow the
procedure shown below. From the off position (blank display):
1. Press and hold the ON/OFF button for more than 5 seconds until F flashes on the
display.
NOTE:
If you do not change the measurement mode for more than 5 seconds after F or C
starts flashing, the thermometer will automatically turn off .
2. Remove your finger from the ON/OFF button.
3. While “F” is still flashing, press the ON/OFF button to display “C”. (Each time the
ON/OFF button is pressed, “F” and “C” are displayed alternately.)
4. After selecting desired mode (e.g. °C), leave the thermometer for 5 seconds until it
turns off automatically.
5. The thermometer is now set for °C mode. All measurement readings from now on
will be in °C.
6. To select °F mode, start from Step 1.
After 5 seconds
Beep
Press again
After 5 seconds
CORRECT MEASUREMENT
Measurement accuracy cannot be assured when the method used to measure the temperature is incorrect.
ORAL USE (for ages 4 and older):
The mouth should remain closed up to 5 minutes before
starting a reading.
• Place the thermometer in the mouth under the tongue so that it
rests to the left or right of the root of the tongue.
• Use downward tongue pressure to hold the thermometer in place.
• Hold the thermometer to keep it from sliding around in the mouth.
ARMPIT (AXILLARY) USE:
• Place the sensor tip in the center of the armpit.
Turn the display so
that it faces inwards.
• Lock the sensor tip under the arm, using the arm to
slightly apply pressure inwards.
Thermometer Angle
The angle should
be 35-45 degrees
in relation to the
arm.
* In the case of infants and very young children, gently hold the arm to prevent movement.
The display is
faced upwards.
INCORRECT MEASUREMENTS
• Taking the temperature immediately after
exercising, bathing, eating or drinking will result
in an incorrect measurement.
Correct: Wait at least 30 minutes before taking the
temperature.
• Taking the temperature after moving around.
Correct: Take the temperature immediately after
waking up or wait for at least 30 minutes
after moving around.
* Moving around after awakening increases the body
temperature.
- Only applies when taking underarm temperatures -
The following may result in incorrect measurements.
• Heavy underarm perspiration
• Taking the temperature after being under the
blankets for a long time.
Correct:Wipe off any underarm perspiration before
taking the temperature.
TAKING THE TEMPERATURE
1.
Remove the thermometer from the storage case.
2.
Press the ON/OFF button.
All of the display symbols appear.
Beep
The result of the previous measurement is displayed with the “M” symbol
for a few seconds.
Apply the thermometer to the measurement site as described in
3.
“CORRECT MEASUREMENT”.
When the [°F (°C)] symbol blinks, the thermometer is ready for use.
NOTE:
Either temperature or “L” is displayed while taking a measurement.
Temperature measurement will commence and the [°F (°C)] symbol will
blink.
During measurement, the round display will rotate.
4.
When the reading is ready, the thermometer will emit a [beep] sound 3
times. Remove the thermometer from the measurement site and read
the result.
The [°F (°C)] symbol will stop blinking and stay on when the reading is
ready. After the reading is displayed, the round display will blink.
BUZZER NOTIFICATION TIMING
Oral : approx. 60 seconds Underarm : approx. 120 minutes
NOTES:
• The buzzer notification timing is based on an environmental temperature
of 23 degrees.
• There will be individual differences in the measurement results.
You can continue to take a measurement for up to 10 minutes
from the time you start.
If measurement is taken over a 10-minute span, the thermometer
will beep 3 times and the display will change as shown.
Beep-beep-beep
Root of the
tongue
Placement points
Tongue
Display when
measurement is taken
for up to 10 minutes
from the time you start.
5.
Turn off the thermometer.
More than 2 seconds
Press and hold the ON/OFF button for more than 2 seconds,
the thermometer will beep and the power is turned off.
NOTES:
• The reading will automatically be stored in memory.
• Turn off the thermometer manually to conserve the battery. It will automatically turn off 1 minute after use or when
turned on but not used.
6.
Store the thermometer in the strorage case.
NOTE:
Clean and disinfect before returning it to its strorage case.
DISPLAYING THE LAST TEMPERATURE
Press the ON/OFF button to display the temperature that was measured most recently.
For details, please refer to the “TAKING THE TEMPERATURE”.
BATTERY REPLACEMENT
Battery: Lithium Button Battery CR2016 (available commercially)
Battery Replacement Symbol ( )
Replace the battery when the battery replacement symbol appears when the thermometer is turned on.
Remove the screw on the underside of the
1. 3.
thermometer with a small screwdriver and take
off the cover.
Insert the new battery with the “+” pole facing up
as shown in the diagram. Make sure the battery is
put in with the right polarity.
The “+” mark faces upwards
Replace the battery cover and reinsert and fasten
Use a thin stiff rod to remove the cover and
battery.
NOTE:
Take caution as the battery may pop out.
4.2.
screw.
NOTES:
• The thermometer comes fitted with a battery for testing
purposes. This battery may not provide the same amount
Battery cover Battery
of battery life as a new battery.
• Consult your local authorities and follow their instructions for the disposal of batteries and/or the thermometer.
ERROR DISPLAYS
INDICATOR
Temperature
Displayed
Displayed when the temperature of the sensor tip
is less than 89.60°F (32.00°C).
Displayed when the temperature of the sensor tip is
higher than 107.60°F (42.00°C).
The thermometer (itself) may be damaged.
The thermometer was stored at a temperature
exceeding 104°F (40°C).
The thermometer was stored at a temperature
below 50°F (10°C).
Displayed when the surrounding temperature
exceeds 89.6°F (32°C).
CAUSE REMEDY
This is not an error so it may be ignored and the
temperature taken.
Cool the sensor tip and then take the temperature.
Please contact your nearest authorized OMRON
dealer.
Allow the thermometer to adjust to room
temperature by leaving it in room at a
temperature between 50°F (10°C) and 104°F
(40°C). Then take the temperature.
Cool the sensor tip and then take the temperature.
TROUBLESHOOTING
PROBLEM CAUSE CORRECTION
Wide differences in
readings
• The sensor tip of the thermometer is being
placed at a different location for each reading.
• The thermometer is moved while the
temperature is being taken.
Check to see that the thermometer is
being placed at the location as described
in the “CORRECT MEASUREMENT”.
• The mouth is kept open while the measure-
ment is in progress.
Nothing appears on the
display when the ON/OFF
button is pressed.
The polarity is reversed.
The battery is depleted.
Take out the battery and replace using
the correct polarity.
Check to see if appears in the display .
Replace with a new battery (CR2016).
[98.6°F (37.0°C)] is not
displayed during the
measurement
preparation period.
A temperature from [98.40°F (36.90°C)] to
[98.80°F (37.10°C)] is displayed.
A temperature other than that in the range from
[98.40°F (36.90°C)] to [98.80°F (37.10°C)] is
displayed, even after turning the thermometer
The thermometer may be used as it is.
Please contact your nearest authorized
OMRON dealer.
on and off several times.
CARE AND MAINTENANCE
Keep the thermometer clean. Store the thermometer in its storage case.
• The thermometer is not water resistant. Do not allow water or
other liquids to enter the unit.
• Do not use any other method than wiping with a soft clean cloth
for cleaning. Please refer to “Cleaning and Disinfecting” for
further instructions.
• When using alcohol to clean the thermometer, make sure that it
does not come into contact with the display.
• For stubborn stains, wipe the thermometer with a cloth that has
been dampened with water or a neutral detergent solution and then
wring thoroughly. Finish by wiping with a soft dry cloth.
• Observe the following to prevent damage to the thermometer.
- Do not use benzene, thinner, gasoline or other strong solvents
to clean the thermometer.
• Do not store the thermometer in the following
types of places. Doing so may damage the
thermometer.
- Wet locations.
- Locations with high heat and humidity or those
that are exposed to direct sunlight. Areas close
to heating equipment, dusty locations, or
environments where there are high salt
concentrations in the air.
- Locations where the unit will be subjected to
leaning, shock or vibration.
- Pharmaceutical storage areas or locations
where corrosive gases are present.
- Do not use ultrasonic washing to clean the thermometer.
CLEANING AND DISINFECTING
OMRON recommends to wipe the device with damp cloth.
For disinfection, 70% Ethanol or Isopropyl alcohol can be used.
Do not attempt to disinfect the sensor tip of the thermometer by immersing it in alcohol or in hot water (water over 122°F (50°C)).
MC-670-IN_D_M04_120625.pdf
SPECIFICATIONS
Product type:
Product Name:
Product Number:
Power Supply:
Power Consumption:
Battery Life:
Sensing Unit:
Measurement Method:
Measurement Site:
Temperature Display:
Measurement Accuracy:
Measurement Range:
Usage Environment Temp
and Humidity:
Storage Environment
Temp and Humidity:
Weight:
External Dimensions:
Package Content:
NOTES:
• This OMRON product is produced under the strict quality system of OMRON HEALTHCARE Co. Ltd., Japan.
• The specifications may be changed without prior notice.
WARRANTY:
This product is guaranteed by OMRON for 1 years after date of purchase. Any damage caused by improper handling
shall not be covered by warranty. Batteries and packaging are also excluded from the warranty. All other damage
claims excluded. A warranty claim must be submitted with the purchase receipt.
Digital thermometer
MC-670
MC-670-IN
3.0V DC, 1 CR2016 Lithium Button Battery
0.02 W
Approx. 1100 readings (If used once a day until the buzzer notification)
Thermistor
Actual measurement (non-predictive)
Mouth (orally) or armpit (axillary)
5-digit,
°F display in 0.01 degree increments
4-digit, °C display in 0.01 degree increments
± 0.18
°F (89.60°F to 107.60°F)
± 0.1°C
(32.00°C to 42.00°C)
(when measured at a standard room temperature of 73.4
constant temperature)
89.60
°F (32.00°C) to 107.60°F (42.00°C)
Surrounding temperature 50
Surrounding temperature -4
Approx. 27g (with battery installed)
34.0 mm (w) × 125.2 mm (l) × 15.0 mm (d)
Test Battery (Lithium Button Battery CR2016), Storage Case, Instruction Manual
Manufacturer
°F (10°C) to 104°F (40°C), Relative Humidity 30-85%RH
°F (-20°C) to 140°F (60°C), Relative Humidity 10-95%RH
OMRON HEALTHCARE Co., Ltd.
°F (23°C) in a test tank held at
53, Kunotsubo, Terado-cho, Muko, Kyoto,
617-0002 JAPAN
Production facility
OMRON (DALIAN) CO., LTD.
Dalian, CHINA
Asia Pacific HQ
OMRON HEALTHCARE SINGAPORE PTE LTD.
438A Alexandra Road, #05-05/08, Alexandra Technopark
Singapore 119967
www.omron-healthcare.com.sg
Made in China
The thermometer will
automatically turn itself off.
Beep-beep-beep
5337502-7A
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