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Citizen Systems CT830 - page 1
INSTRUCTION MANUAL for DIGIT AL EAR THERMOMETER REF CT830 Probe Probe Cap "ON/MEM" button LCD "SCAN" button Probe lens IDENTIFICA TION OF P ARTS Fig. 1 Design and Specification are subject to change without notice. CITIZEN is a registered trademark of Citizen Holdings Co., Japan. CITIZEN es una marca registrada de Citizen Holdin ...
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Citizen Systems CT830 - page 2
English - Eng 2 - W arning PLEASE READ THIS MANUAL BEFORE ANY A TTEMPT TO USE THIS PRODUCT IS MADE. PRECAUTIONS The ear thermometer must be inserted correctly to obtain correct temperatur e measurement. Be sure to consult a physician if you feel that your health is in poor condition. DO NOT judge your health only on the presence or absence of a fev ...
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Citizen Systems CT830 - page 3
English - Eng 3 - Caution 1. The body temperature measured in the ear may differ from measur ements taken under the armpits, in the mouth, or in the rectum. Ther efore, comparing them will not be of value. T ake temperature readings periodically to determine the normal ear temperature measur ement with this instrument, then use that reading as the ...
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Citizen Systems CT830 - page 4
English - Eng 4 - Caution 1. A person’ s left and right ear canals are not necessarily symmetrical. This may cause differ ent measurement results. Always take temperatur e readings in the same ear . 2. A soiled probe lens will result in inaccurate measurement. Be sure to check that the pr obe lens is clean before use. 3. Body temperature rises af ...
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Citizen Systems CT830 - page 5
English - Eng 5 - HOW TO OPERA TE FUNCTIONS This thermometer has the following functions for care of users. • Ear T emperature: for human temperature. • Time and calendar: for memory . • Room T emperature: for monitoring the ambient temperature for a baby or patient. • Material surface temperature (NOT for body temperatur e): for temperatur ...
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Citizen Systems CT830 - page 6
English - Eng 6 - EAR TEMPERA TURE 1. Make sure that the probe lens is clean. 2. Press ON/MEM button and after the all indicators show up on the display (Fig.6), the ready message with icon displays, accompanied by two short beeps (Fig.7). Fig.6 Fig.7 3. Gently pull the ear back to straighten the ear canal (Fig.3) and gently position the probe into ...
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Citizen Systems CT830 - page 7
English - Eng 7 - 3. The room temperature is renewed every minute. After measuring body or material surface temperature, the sensor may be warm which may affect the r oom temperature reading. Ther efore during the fi rst 15 minutes after every use, the room temperatur e on the display may be inaccurate. MA TERIAL SURF ACE TEMPERA TURE / STOP WA TC ...
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Citizen Systems CT830 - page 8
English - Eng 8 - 4. STOP WA TCH: Fig.11 (Stop watch mark) 4.1 This mode counts from 0.01sec to 3 minutes. 4.2 T o start and stop the stopwatch, press the SCAN button. T o reset the counter , press the ON/MEM button. Press and hold the ON/MEM button and then pr ess the SCAN button once to leave STOP WA TCH mode and return to the EAR TEMPERA TURE mo ...
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Citizen Systems CT830 - page 9
English - Eng 9 - AUTO POWER OFF FUNCTION If this unit is left unattended for about 1 minute, it will automatically power down from the curr ent mode and enter the stand-by mode, showing room temperatur e, time, and date. The display alternates between time and date in a pattern that repeats every minute as follows: time 11 sec / date 4 sec / time ...
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Citizen Systems CT830 - page 10
English - Eng 10 - Caution 1. Remove and then reinstall the battery if the Er message is displayed, if the display is abnormal, or if nothing is displayed when the ON/MEM button is pressed. 2. T o protect the environment, dispose of the used battery according to local r egulations. 3. Remove the battery if the ear thermometer will not be used for a ...
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Citizen Systems CT830 - page 11
English - Eng 11 - DESCRIPTION OF DISPLA Y MARK Message Meaning Corrective action Measurement befor e device stabilization. W ait until all the icons stop fl ashing. The device showing a rapid ambient temperature change. Allow the thermometer to rest for at least 30 minutes at a room temperatur e between 10 and 40°C (50 to 104°F) The ambient tem ...
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Citizen Systems CT830 - page 12
English - Eng 12 - Questions and Answers Q1: Why is temperature measured in the ear different from measurements taken under the armpit, in the mouth, or in the rectum? A1: T emperatures of differ ent parts of body may vary . Compare the measurement in question with a normal temperatur e previously taken in the same ear . Q2: The temperature differs ...
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Citizen Systems CT830 - page 13
English - Eng 13 - SPECIFICA TIONS Measuring Range: For Ear temperature mode 34.0~42.2°C (93.2~108°F) For Material surface temperature mode -22~80°C (-7.6~176°F) Accuracy: For Ear temperature mode ±0.2°C (0.4°F) for temperatures 35.5~42.0°C (95.9~107.6°F). ±0.3°C (0.5°F) for other ranges. For Material surface temperature mode ±0.3°C ( ...
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Citizen Systems CT830 - page 14
INSTRUCTION MANUAL for DIGIT AL EAR THERMOMETER REF CT830 Probe Probe Cap "ON/MEM" button LCD "SCAN" button Probe lens IDENTIFICA TION OF P ARTS Fig. 1 Design and Specification are subject to change without notice. CITIZEN is a registered trademark of Citizen Holdings Co., Japan. CITIZEN es una marca registrada de Citizen Holdin ...
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