Citizen CT810 Manual de usuario

ENGLISH

INSTRUCTION MANUAL

for

DIGITAL EAR THERMOMETER

REF : CT810 (WITH BUZZER & WATERPROOF)

IDENTIFICATION OF PARTS

LCD display

Probe window

Switch

Probe

Main body

(Using antibacterial case)

Fig. 1

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PLEASE READ THIS MANUAL IN ANY CASE BEFORE USING.

PRECAUTIONS

Theearthermometermustbeinsertedcorrectlytoobtaincorrecttemperature

measurement. Be sure to consult a physician if you feel something is wrong

with you. Do NOT judge only by whether you have a fever or not.

1. Very gently and carefully insert the probe into the ear.

2. Avoid using the ear thermometer if the ear is inflamed.

3. Do NOT use the ear thermometer if the main body is damaged (for

example, the probe window is broken). The continuous use of damaged

unit may cause injury, an improper result or serious danger.

Contact a physician immediately if someone swallows broken pieces.

1. The body temperature measured in the ear may differ from the

measurement under the armpit or in the mouth or rectum. Therefore, they

cannot merely be compared. Take the temperature periodically to

determine the reading with this instrument when body temperature is

normal, then use that as the basis for comparison with any measurement

taken when you suspect a fever.

2. Do NOT use this thermometer for measurements other than body

temperature. The ear thermometer will be damaged if it is used to

measure the temperature of bath, refrigerators etc.

3. Do NOT immerse the ear thermometer in Water and do NOT spill chemical

solvents on the unit.

4. Do NOT drop the ear thermometer and do NOT expose the ear

thermometer to heavy shock. As the ear thermometer is not shock-

protected construction.

5. Do NOT bend the ear thermometer.

6. Do NOT disassemble the unit, do not make any modifications and do not

touch the circuitry.

7. Do NOT store the unit under the direct sunlight, NOT at the high

temperature and NOT at a high degree of humidity or dust.

Warning

Caution

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8. Do NOT boil the probe.

9. Do NOT use the ear thermometer if it operates irregularly or shows

sings of malfunction.

10.Do NOT use thinner or benzene for cleaning the ear thermometer.

11.When using the ear thermometer after storage at low temperature,

place it in a warm place for 5 to 10 minutes before use.

12.Keep the ear thermometer out of reach the children.

13.Wipe the ear thermometer clean before storing.

About Ear Thermometers

All objects radiate heat. To measure body temperature, this ear

thermometer uses an infrared sensor incorporated in its probe to detect

the heat radiated from the eardrum and its periphery. In general the ear

canal (external auditory canal) of an infant is relatively straight. As we

grow older, it takes on some curvature, as shown in Fig. 2. It is important

to point the probe window of the ear thermometer toward the eardrum

and its periphery inside the ear. To straighten the ear canal, gently pull

on the outer ear in the direction of the rear of the head, as shown in

Fig. 3. Each ear canal has a slightly different shape. Be sure to check it

before measurement. And then insert the prove straight, as shown in

Fig. 4.

Fig. 2 Fig. 3 Fig. 4

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1. A person’s left and right ear canals are not necessarily

symmetrical. This may cause different measurement results.

Always take temperature in the same ear.

2. A soiled probe window will result in inaccurate measurement. Be

sure to check that the probe is clean before use.

3. Body temperature rises after vigorous exercise, a bath or shower,

or eating. Wait at least 30 minutes before measuring temperature.

4. Do NOT use the ear thermometer when the ear canal is wet (after

swimming, bathing, etc.).

5. Let the ear thermometer stand at room temperature for a while

before use.

6. It is important to know your normal temperature to compare

measurement result.

HOW TO OPERATE / MEMORY FUNCTION

1.Confirm that the probe window is clean.

2.Pressing the switch generates a short beep. Confirm that the display

shows all indicators lit (Fig. 5), the previous measurement result (for

approx. 1 second, Fig. 6), then the “Start measurement message ”

will be displayed (as Fig. 7).

3.Hold the outer ear and gently pull it toward the

rear of the head to straighten the ear canal (Fig.

3 and 4)

4.Hold the ear thermometer as shown in the

illustration (Fig. 8).

Point the probe window toward the inside of

the ear. Insert the probe VERY GENTLY and

SLOWLY into the ear canal.

Caution

Fig.8

Fig. 5 Fig. 6 Fig. 7

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5.The measurement time is approximately 2 seconds. A short, double

beep tells you that measurement is completed. The measurement

result will flash on the display if the ambient (room) temperature is

35 ˚C or higher which means the measurement is not completed. In

such a case, take the following steps to measure again.

6.Press the switch, and turn the power off.

If the ambient temperature is 35 ˚C or higher:

To prevent the ear thermometer from measuring the ambient

temperature, make sure that the power is turned off, then hold the switch

pressed for at least 3 seconds. Still holding the switch pressed, insert the

probe into the ear, then release the switch.

1. Small children must not operate this instrument, and it must be kept

out of their reach. Be sure that body temperature is measured by

an adult.

2. The person whose temperature is to be taken must not move

his/her head while the probe is being inserted into the ear.

3. Once a measurement is taken, the temperature in the ear is

affected. Therefore, wait at least 1 minute before taking next

measurement.

AUTO POWER OFF FUNCTION

If this unit is left on after measurement, an Automatic Power-OFF

Function turns the power OFF after approximately 1 minutes.

Caution

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BATTERY REPLACEMENT

1.Replace with new battery if the battery indicator ( )

lights up when the switch is pressed.

2.Use a Phillips screwdriver to remove the screw.

3.Use a coin to rotate the battery cover in the direction of the arrow, then

remove the cover. (Fig. 9)

4.Remove the old battery, and replace it with a new one. (Fig. 10)

5.Reinstall the battery cover, and retighten the screw. (Fig. 11)

(Be sure to orient the battery correctly)

1. Remove then reinstall the battery if an error message is displayed,

thedisplayisabnormal,ornothingisdisplayedwhentheswitchispressed

after battery replacement.

2. To protect the environment, dispose of the used battery according to local

regulations.

Remove the battery if the ear thermometer will not be used for a long time.

AFTER USE AND STORAGE

- After use, clean the probe and probe window with cotton soaked in

alcohol or wet tissue available on the market, then wipe with a dry cloth.

- Storing the ear thermometer at 5 to 35 ˚C allows you to measure

temperature at any time. Storing the ear thermometer below or above

this temperature range above may cause it to display Error 4. In such

a case, leave the ear thermometer at 5 to 35 ˚C for 10 minutes before

measurement.

Caution

Fig. 9 Fig. 10 Fig. 11

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- Do not store the ear thermometer where it will be exposed to moisture,

direct sunlight, high temperature or high humidity, or excessive dust.

CLEANING

Do NOT store the ear thermometer soiled or moist. If the ear

thermometer is soiled, take the following steps to clean it.

1.Use a soft sponge soaked in neutral detergent to lightly wipe dirt off

the probe and probe window.

2.Rinse the ear thermometer in standing lukewarm water for less than

20 seconds to remove dirt and detergent.

3.Be sure to carefully dry the ear thermometer with a soft cloth.

- Avoid using the ear thermometer for measurement immediately after

washing. Wait at least 5 minutes before use.

- Do NOT rinse the ear thermometer directly under strong water flow

from a faucet.

- Do NOT use a toothbrush, scouring sponge or pad, steel wool,

cleanser, etc. to clean this instrument.

DESCRIPTION OF DISPLAY MARK

Error 1

This message will be displayed if the thermometer fails to make

stable measurement of body temperature within 30 seconds.

Insert the probe into the ear promptly after pressing the switch.

Error 2 This message will be displayed if the switch is pressed

with the thermometer in the ear. Be sure to press the

switch and confirm that “Fig. 7 ( )” is displayed, then

insert the probe into the ear for measurement.

Error 3 This message will be displayed if the temperature

measured is above 42 ˚C. The thermometer may have

measured the temperature of a nearby heat source. Avoid

external heat sources and try again.

Error 4 This message will be displayed if the ambient temperature

is out of the measurement range (below 5 ˚C or above

40 ˚C). Move to a place within the proper temperature

range (from 5 to 40 ˚C) end let the thermometer stand for

at least 10 minutes before measuring again.

ENGLISH

Low

battery

power

Replace with new battery if the low-battery-power

indicator lights up nothing is displayed when the switch is

pressed.

Questions and Answers

Q1: Why is temperature measured in the ear different from the

measurement result under the armpit or in the mouth or

rectum?

A1: Temperatures at different parts of body may differ. Compare the

measurement in question with normal temperature previously taken

in the same ear.

Q2: Temperature differs each time I measure. Why? What can I do?

A2: Your method for straightening the ear canal may be inconsistent, the

way you insert the probe may be not consistent, or you are perhaps

taking a second measurement too soon. Pull the outer ear rearward

to straighten ear canal, then very gently insert the probe into the

ear canal for measurement. Once a measurement is taken, the

temperature in the ear is affected. Therefore, wait at least 1 minute

before taking another measurement.

Q3: Can I measure temperature without the probe cover?

A3: This instrument is designed to measure temperature without the

probe cover. Do NOT attach the probe cover or any film or covering.

Q4: Is it hygienically all right to use the ear thermometer without

the probe cover?

A4: The body of the ear thermometer is made of antibacterial plastics,

and it can be washed. Therefore, the ear thermometer can be used

very hygienically without the probe cover.

Q5: Can I use the ear thermometer in cold/hot places?

A5: This instrument can be used in room temperature from 5 to

40 ˚C (Humidity at 15 to 95 %). An error message (“Er”) may be

displayed if the temperature during storage greatly differs from that

of the room temperature where you take a measurement. In such a

case, let the ear thermometer stand for a while at room temperature

before measurement.

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Q6: Can I use the ear thermometer on an infant? Their ear canals

are pretty small.

A6: Yes. Do NOT attempt to force the probe into the ear canal. Insert the

probe into the ear canal much as you would an ear plug.

Q7: Can I use the ear thermometer to measure temperature under

the armpit or in the mouth?

A7: No. This instrument is designed to measure temperature only in the

ear.

Q8: Can I use the ear thermometer on animals?

A8: No. This instrument is designed to measure temperature in the ears

of humans.

SPECIFICATIONS

Measuring Rage : 32.0 ˚C ~ 42.0 ˚C

Accuracy : ±0.1 ˚C (36.0 ˚C T 39.0 ˚C)

[Measuring Temperature at 23.0 ˚C]

±0.2 ˚C (T < 36.0 ˚C, T > 39.0 ˚C)

[Measuring Temperature at 23.0 ˚C]

Display : 3 digits with decimal point

:Battery weak mark, MR:Memory mark, ˚C:˚C indicator

Battery : DC 1.5 V

(Alkaline Button Battery A76/LR44 or equivalent × 1 pcs.)

Battery Life.

Approx. 3,000 continuous measurement (at 23.0 ˚C by LR44)

Working temp. & humidity

: +5 ˚C ~ 40 ˚C, 15 % ~ 95 %

Storage temp. & humidity

: −20 ˚C ~ 50 ˚C, 15 % ~ 95 %

Unit Size : 131 (L) × 37 (W) × 25 (H) mm

Weight : Approx. 45 g (including battery)

Electric shock protection

: Type B equipment

Memory : One memory recall function.

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