Citizen CTD 505 User manual

INSTRUCTION MANUAL
FOR
DIGITAL EAR THERMOMETER
Model: CTD 505
(Antibacterial Model)
English
1401

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Instruction Manual for
Digital Ear Thermometer
Model: CTD 505 (Antibacterial Model)
PARTS NAMES / Display Symbols
Sensor LCD Screen Battery Cap
Power ON/OFF Button
Start Button
Probe Tip
❶
❷
❸❹ ❺
❻
❼
Symbol Description
1Measuring Result. Displays the result in Fahrenheit or Celsius.
2Low Battery Symbol. Flashes to alert the user to change the battery.
3Too High Ambient Temperature. Refer to “Troubleshooting” for details.
4Too Low Ambient Temperature. Refer to “Troubleshooting” for details.
5Ready to Use Symbol. The CTD505 is ready to use.
6Temperature Unit. The default setting is Celsius.
7Memory Mode Symbol. With this symbol, the LCD screen displays the
previous result.
PRECAUTIONS (Intended Use)
1. The CTD505 is a clinical electronic thermometer that uses an infrared sensor to
detect the body temperature of people of any age from the auditory canal in a
home setting.
2. Do not use the CTD505 as a replacement for medical advice. Consult your
doctor if you have any concerns.
3. ONLY the CTD505 probe tip is waterproof. Do not immerse it in water or any other
liquid.
4. Do not drop the CTD505, and avoid any strong impact.
5. Do not use the CTD505 on any body part other than your ear.
6. Do not move or shake your body while measuring.
7. Do not use for any purpose other than the intended use. The manufacturer is not
liable for misuse.
8. The CTD505 can measure up to six times a day. To know your normal body
temperature range, we suggest you measure regularly.
9. If any damage occurs to the sensor inside the probe tip or to the unit itself,
return the product to your local distributor.
10.Keep the CTD505 away from children. Do not let them use the CTD505 on their
own. They may choke on the battery or tiny component parts by accident.
11.Install a new CR2032 lithium battery when the power is low. Use of any other
battery may lead to inaccurate results or malfunction.

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12.Without regular recalibration, the results may not be accurate. Every CTD505 is
calibrated right after production. See “Warranty and Recalibration” for details.
13.Keep the CTD505 away from sunlight and dusty places.
Important Notice:
The CTD505 does not require a probe cover during use. It is important to
clean and disinfect the CTD505 before and after each use. See “Cleaning and
Disinfection” for details.
For measurement:
• When asleep, pressure on the ear may cause higher-than-normal temperature.
Wait a few minutes, and then measure again.
• Clean your external ear before measuring. To ensure an accurate result, keep
your ear free from obstructions or excess earwax.
• The measuring results from the left and right ears may differ slightly. We
recommend measuring in the same ear.
• Before measuring, the user and the CTD505 should be in a steady room
temperature for at least 30 minutes. The user should also rest for 30 minutes
after exercising.
HOW TO OPERATE
1. Press the
|
/O
button. The backlight is switched on for
approximately 2 seconds. The LCD screen displays all digital
segments.
2. If the CTD505 has saved past results, the LCD screen
automatically displays the latest result.
3. When flashes with a short beep, the CTD505 is ready to use.
1. To improve accuracy, follow the illustrations below. For adults, pull the ear up
and back. For infants and children, pull the ear back.
Adults Infants and Children
2. Fit the probe tip into the ear canal, and then press the
START button. Release the button and wait a few seconds
until you hear a long beep.
3. Take the CTD505 out of the ear canal. The LCD displays
the latest measuring result. The backlight is switched on for approximately 5
seconds. Without any operation, the CTD505 automatically shuts off after 1
minute.
Note: Before re-measurement, wait 1 – 3 minutes.

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RECALL MEMORY
1. In power-off mode, press and release the START button to
enter Memory Recall Mode. Press the START button again.
The LCD screen displays the first memory set number with
the latest measuring result.
2. Press the
START button repeatedly to scroll through all 12
stored results in a loop.
ERASE MEMORY
1. While holding the START button, press and release the
|
/O
button. The
CTD505 starts up.
2. When the LCD displays the previous measuring result, release the START
button.
3. To check memory erasing, turn the CTD505 off, and enter Memory Recall Mode
again.
BATTERY REPLACEMENT
• flashes: You can still measure, but the accuracy may not impaired.
• lights or no reaction at all: Change the battery as soon as possible.
Note: Change the battery away from small children and any source of heat.
1. Press the upper part of the battery cap to unlock it.
2. Insert the tip of a tool into the gap at the side of the battery
compartment. Remove the worn-out battery.
3. Insert a new CR2032 lithium battery into the CTD505,
according to the polarities in the figure. Push it firmly into
place with a “click”, then replace the cap.

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CLEANING INSTRUCTIONS
The CTD505 does not require a probe cover during use. Clean and disinfect the
CTD505 before and after each use. If you wish to share the CTD505 with others,
follow the instructions below.
◆Preparation
1. Cotton bud: Available in supermarkets.
2. 70 % concentration alcohol swab: Available in
supermarkets.
Note: Dispose of used cotton buds and alcohol swabs in
accordance with local regulations.
◆Cleaning : Probe area
Use a clean cotton bud to wipe off any visible dirt or ear wax. Gently wipe the area
clean.
Note: The most delicate and sensitive part of the CTD505 is the sensor inside the
probe tip. Poking it with force may cause damage to the CTD505. When cleaning,
take extra care.
Hold the CTD505 facing down to prevent water getting into the CTD505. Use an
alcohol swab to clean the probe area in a circular motion for 15 seconds (around 20
times).
DISINFECTION (Probe & Exterior Area)
1. Hold the CTD505 facing down to prevent water getting
into the CTD505. Use an alcohol swab to clean the probe
area in a circular motion for 15 seconds (around 20
times).
2. Then, use the same alcohol swab to wipe the exterior
area back and forth for another 15 seconds (around 20
times).
3. Wait at least 30 seconds until the CTD505 is completely
dry.
Continue to set units on the next page, and start measuring.
Repeat the steps above when measurement is done.
NOTE:
Do not use detergent or any strong chemicals on the CTD505.
FEVER ALERT
The CTD505 has a built-in “Fever Alert” feature.
If you have a fever between 37.5 °C – 43.0 °C, the “Fever Alert” function will inform
you by a flashing result, red LED backlight, and a series of beeps.
NOTE:
Do not use the CTD505 as a replacement for medical advice. Consult your doctor if
you have any concerns.

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MAINTENANCE and STORAGE
◆Storage
1. If you will not use the CTD505 for over 2 months, remove the battery from the
compartment.
2. Always store the CTD505 in its container after use.
3. ONLY the CTD505 probe tip is waterproof. Do not dip it in water or any other
liquid.
4. Keep the CTD505 away from:
• Extreme temperatures
• Overly humid or dry environment
• Direct sunlight
• Dusty places.
5. For details of environmental conditions, refer to “Specifications”. Using the
CTD505 outside the stated range may lead to inaccurate results or malfunction.
◆Maintenance
1. Do not disassemble or change any parts of the CTD505. Such action may
reduce its accuracy.
2. Do not drop the CTD505, and avoid any strong impact.
ABOUT THE EAR THERMOMETER
Normal body temperature differs by body parts, time and age. Here are two tables
for your reference:
1. Normal Body Temperature Range
Age
Site
0 – 2
years old
3 – 10
years old
11 – 65
years old
Over 65
years old
Oral N/A 35.5 – 37.5 °C 36.4 – 37.6 °C 35.8 – 36.9 °C
Rectal 36.6 – 38.0 °C 36.6 – 38.0 °C 37.0 – 38.1 °C 36.2 – 37.3 °C
Axillary 34.7 – 37.3 °C 35.9 – 36.7 °C 35.2 – 36.9 °C 35.6 – 36.3 °C
Ear 36.4 – 38.0 °C 36.1 – 37.8 °C 35.9 – 37.6 °C 35.8 – 37.5 °C
Core 36.4 – 38.0 °C 36.4 – 37.8 °C 36.8 – 37.9 °C 35.8 – 37.1 °C
Source: Official Health Central, http://www.officialhealthcentral.com.

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2. Figure: Diurnal Variations in Body Temperature
Hours of activity and work Hours of rest and sleep
a.m. p.m. a.m. Deg.
C.
Source: 1911, Encyclopedia Britannica, 11
th
edition, Volume 2, Part 1, Slice 1, p95.
TROUBLESHOOTING
LCD screen Description & Solution
flashes
Battery power is low, but the CTD505 can still measure.
➜Remove the worn-out battery. Insert a new CR2032 battery
as soon as possible. Without enough energy, the CTD505
cannot function as it should.
lights
Battery power is too low to measure.
➜Remove the worn-out battery. Insert a new CR2032 battery
as soon as possible.
Too high ambient temperature
Ambient temperature is higher than 40.0 °C
➜Leave the CTD505 in a room around 10.0 °C – 40.0 °C for
30 minutes. Then measure again.
Too low ambient temperature
Ambient temperature is lower than 10.0 °C
➜Leave the CTD505 in a room around 10.0 °C – 40.0 °C for
30 minutes. Then measure again.

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LCD screen Description & Solution
Outside displayed temperature range I
Result is higher than 43.0 °C.
➜The user should rest in a steady room temperature for at
least 30 minutes. Then measure again.
Outside displayed temperature range II
Result is lower than 34.0 °C.
➜The user should rest in a steady room temperature for at
least 30 minutes. Then measure again.
Error symbol I
Disturbance occurred while measuring.
➜Repeat the measuring steps again. If the error persists,
return the CTD505 to your local distributor.
Error symbol II
Memory error occurred while measuring.
➜Repeat the measuring steps again. If the error persists,
return the CTD505 to your local distributor.
OTHER INFORMATION
This product conforms to the provisions of the EC directive
93/42/EEC (Medical Device Directive). And also complies
with following standards (included but not limited):
Safety standard:
EN 60601-1 Medical electrical equipment part 1: General requirements for safety
EMC standard:
EN 60601-1-2 Medical electrical equipment part 1-2: General requirements for
safety- Collateral standard: Electromagnetic compatibility- Requirements and tests
Performance standards:
EN 12470-5, Clinical thermometers - Part 5: Performance of infra-red ear
thermometers (with maximum device)
Follow instructions for use.
+40°C
+10°C
(50.0°F)
(104°F) The upper and lower limits of temperature.
(Operating conditions)
Keep dry.
0197

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BF Classification:
- Internally powered equipment
- BF type applied part
- IPX0
- Not suitable for use in presence of flammable anesthetic mixture with air or with
oxygen or nitrous oxide
- Continuous operation with short-time loading
To avoid inaccurate results caused by electromagnetic interference between
electrical and electronic equipments, do not use the device near a mobile phone
or microwave oven. At least keep a maximum output power of 2 w yields and a
distance 3.3m away from this equipment.
Discard the used product to the recycling collection point according to local
regulations.
HEALTH & LIFE Co., Ltd.
9F, No. 186, Jian Yi Road, Zhonghe District, New Taipei City, Taiwan
www.healthandlife.com.tw
EMERGO EUROPE
Molenstraat 15, 2513 BH, The Hague, The Netherlands
Warranty & Recalibration
Warranty For One Year from Manufacturing Date
CITIZEN SYSTEMS JAPAN Co., Ltd. grants a 1 year warranty on the product
commencing on the date of purchase. Within the limited time, we will eliminate any
defects in the appliance resulting from faults in the material or workmanship free of
charge.
Please note that this service does not cover damage caused by misuse or abuse;
accident; the attachment of any unauthorized accessory; alteration to the product;
improper installation; unauthorized repairs or modification; improper use of
electrical/power supply; loss of power; dropped product; malfunction or damage
of an operation part due to failure to provide the manufacturer’s recommended
maintenance; transportation damage; theft; neglect; vandalism; or environmental
conditions; loss of use during the period the product is at a repair facility or
otherwise awaiting parts or repair; or any other conditions whatsoever that are
beyond the control of the importers or distributors.

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Recalibration Notice
Every CTD505 is properly calibrated right after production.
We recommend that USERs bring the CTD505 to certain laboratories every 2 years
for proper recalibration.
The CTD505 does not need periodic recalibration, if the user handles it according
to this manual.
SPECIFICATIONS
Measurement method Infrared
Dimension (L × W × H) 120 × 39 × 52 mm
Weight (without battery) 66.80 g
Measurement range 34.0 °C – 43.0 °C
Low temperature display Temperature<34.0˚C: display: L˚C
High temperature display Temperature>43.0˚C : display: H˚C
Display resolution 0.1 °C
Lab accuracy
35.5 °C – 42.0 °C: ± 0.2 °C
Other range: ± 0.3 °C
Clinical accuracy
(repeatability) ± 0.3 °C
Memory sets 12
Auto power off 1 minute
Battery CR2032 lithium battery (3V) × 1
Battery life 1000 times
Operating conditions Temperature: 10.0 °C – 40.0 °C
Humidity: 15 % – 95 % R.H.
Storage/Transportation
conditions
Temperature: -25.0 °C – 55.0 °C
Humidity: 95 % R.H.
Safety classification BF Type equipment
Accessory CR2032 lithium battery (3V) × 1

Appendix
Guidance and manufacturer’s declaration - electromagnetic emissions
The device is intended for use in the electromagnetic environments listed below, and should only
be used in such environments:
Emissions test Compliance Electromagnetic environment - quidance
RF emissions CISPR 11
Group 1
RF energy is used only to maintain the
device’s operation. Therefore, its RF
emissions are so low that it is not likely
to cause any interference in nearby
electronic equipment.
RF emissions CIS PR 11 Class B The device is suitable for use in all
establishments, including domestic
establishments, and those directly
connected to the public low-voltage power
supply network that supplies buildings
used for domestic purposes.
Harmonic emissions IEC 61000-3-2 Not Applicable
Voltage fluctuations/ flicker
emissions IEC 61000-3-3 Not Applicable
Guidance and manufacturer’s declaration - electromagnetic immunity
The device is intended for use in the electromagnetic environments listed below, and should only
be used in such environments:
Immunity test IEC 60601 test
level
Compliance
level
Electromagnetic environment - guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 MHz to
80 GHz
3 V/m
80 MHz to
2.5 GHz
Not Applicable
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any
part of the device, including cables, than
the recommended separation distance
calculated from the equation applicable to
the frequency of the transmitter.
Recommended separation distance
Not Applicable
d= 1,2 80 MHz to 800 MHz
d= 2.3 800 MHz to 2.5 GHz
where Pis the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufacturer
and dis the recommended separation
distance in meters (m).
Field strengths from fixed RF transmitters,
as determined by an electromagnetic site
survey,a) should be less than the compliance
level in each frequency range.b)
Interference may occur in the
vicinity of equipment marked
with the following symbol:
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.

a). Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless)
telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast
cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due
to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured
field strength in the location in which the device is used exceeds the applicable RF compliance
level above, the device should be observed to verify normal operation. If abnormal performance is
observed, additional measures may be necessary, such as reorienting or relocating the device.
b). Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
Guidance and manufacturer’s declaration - electromagnetic immunity
The device is intended for use in the electromagnetic environments listed below, and should only
be used in such environments:
Immunity test IEC 60601 test
level
Compliance
level
Electromagnetic environment -
guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floors should be wood, concrete or
ceramic tile. If floors are covered with
synthetic material, the relative humidity
should be at least 30 %.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
3 A/m 3 A/m
Power frequency magnetic fields should
be at levels characteristic of a typical
location in a typical commercial or hospital
environment.
Recommended separation distances between portable and mobile RF communication
equipment and the device.
The device is intended for use in an electromagnetic environment where radiated RF disturbances
are under control. The user can help prevent electromagnetic interference by keeping the device
at a minimum distance from portable and mobile RF communications equipment (transmitters).
The table below details the maximum output power of the transmitter:
Rated maximum
output power of
transmitter
W
Separation distance according to frequency of transmitter
m
150 kHz to 80 MHz
N/A
80 MHz to 800 MHz
d= 1.2
800 MHz to 2.5 GHz
d= 2.3
0.01 N/A 0.12 0.23
0.1 N/A 0.38 0.73
1 N/A 1.2 2.3
10 N/A 3.8 7.3
100 N/A 12 23
For transmitters rated at a maximum output power not listed above, the recommended
separation distance din meters (m) can be estimated using the equation applicable to the
frequency of the transmitter, where Pis the maximum output power rating of the transmitter in
watts (W) according to the transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range
applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.

Distributed by:
• CITIZEN is a registered trade mark of Citizen Holdings Co., Japan
• Design and Specification are subject to change without notice.