Citizen CT830 Instruction Manual
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Citizen CT830 Instruction Manual

Citizen CT830 Instruction Manual

Digital ear thermometer
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INSTRUCTION MANUAL
for
DIGITAL EAR THERMOMETER
REF CT830
IDENTIFICATION OF PARTS
Probe lens
Probe
LCD
"SCAN" button
Probe Cap
"ON/MEM" button
Fig. 1
0801

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Summary of Contents for Citizen CT830

  • Page 1 INSTRUCTION MANUAL DIGITAL EAR THERMOMETER REF CT830 IDENTIFICATION OF PARTS Probe lens Probe "SCAN" button Probe Cap "ON/MEM" button Fig. 1 0801...
  • Page 2 Warning PLEASE READ THIS MANUAL BEFORE ANY ATTEMPT TO USE THIS PRODUCT IS MADE. PRECAUTIONS The ear thermometer must be inserted correctly to obtain correct temperature 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 fever.
  • Page 3 Caution 1. The body temperature measured in the ear may differ from measurements taken under the armpits, in the mouth, or in the rectum. Therefore, comparing them will not be of value. Take temperature readings periodically to determine the normal ear temperature measurement with this instrument, then use that reading as the basis for comparison with any measurement taken when you suspect a fever.
  • Page 4 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 the area around it. In general the ear canal (external auditory canal) of an infant is relatively straight.

  • Page 5: How To Operate

    HOW TO OPERATE FUNCTIONS This thermometer has the following functions for care of users. • Ear Temperature: for human temperature. • Time and calendar: for memory. • Room Temperature: for monitoring the ambient temperature for a baby or patient. • Material surface temperature (NOT for body temperature): for temperature of a baby's milk, etc.
  • Page 6 EAR TEMPERATURE 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.
  • Page 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 room temperature reading. Therefore during the fi rst 15 minutes after every use, the room temperature on the display may be inaccurate. MATERIAL SURFACE TEMPERATURE / STOP WATCH 1.

  • Page 8: Fever Alarm

    4. STOP WATCH: (Stop watch mark) Fig.11 4.1 This mode counts from 0.01sec to 3 minutes. 4.2 To start and stop the stopwatch, press the SCAN button. To reset the counter, press the ON/MEM button. Press and hold the ON/MEM button and then press the SCAN button once to leave STOP WATCH mode and return to the EAR TEMPERATURE mode.

  • Page 9: Auto Power Off Function

    AUTO POWER OFF FUNCTION If this unit is left unattended for about 1 minute, it will automatically power down from the current mode and enter the stand-by mode, showing room temperature, 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 11 sec / date 4 sec / time 30 sec.
  • Page 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. To protect the environment, dispose of the used battery according to local regulations.
  • Page 11 DESCRIPTION OF DISPLAY MARK Message Meaning Corrective action Measurement before Wait until all the icons stop device stabilization. fl ashing. The device showing a Allow the thermometer to rapid ambient temperature rest for at least 30 minutes change. at a room temperature The ambient temperature between 10 and 40°C (50 is not within 10 to 40°C...

  • Page 12: Questions And Answers

    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: Temperatures of different parts of body may vary. Compare the measurement in question with a normal temperature previously taken in the same ear.

  • Page 13: Specifications

    SPECIFICATIONS 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 (0.5°F) for temperatures 22~42.2°C (-7.6~108°F) for other ranges.
  • Page 14 CITIZEN is a registered trademark of Citizen Holdings Co., Japan. CITIZEN es una marca registrada de Citizen Holdings Co., Japón. Design and Specification are subject to change without notice.

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