weewell WTN520 User manual

NON-CONTACT THERMOMETER
THERMOMETRE SANS CONTACT
TEMASSIZ TERMOMETRE
WTN520
USER MANUAL
EN
MODE D’EMPLOI
FR
KULLANIM KILAVUZU
TR

CONTENTS
SAFETY INSTRUCTIONS...................................................................... 3
DEVICE DESCRIPTION ........................................................................ 4
BATTERY INSTALLATION .................................................................... 5
SETTINGS............................................................................................. 5
CLEANING............................................................................................ 9
CARE AND STORAGE........................................................................... 9
PRODUCT SPECIFICATION.................................................................. 9

WTN520 USER MANUAL I 3
SAFETY INSTRUCTIONS
1. Read the entire instruction manual before operating the device.
2. The device is delivered non-sterile; please clean the device before
measuring.
3. Stop using the device if malfunctions appear or if it operates
abnormally.
4. Do not let children to play with the device.
5. Do not use the device around flammable materials.
6. Do not use the device on scarred tissue, open wounds or
abrasions.
7. Some medications may cause a rise in skin temperature which
can consequently lead to incorrect measurements.
8. Keep the device at least 30 min. at room temperature.
9. Do not scratch sensor lens. The device will not be under warranty
otherwise.
10. Do not disassemble the device. Repairing the device except
Authorized Technical Service will cause the device to be out of
scope of warranty.
11. Wait at least thirty minutes after exercising, bathing or coming
from outer environment before taking a measurement.
12. If temperature of the subject lower than ambient temperature,
this can cause inaccurate measurements.
13. Do not expose to high temperature, high humidity, and direct
sunlight.
14. Do not drop the device and avoid shock.

4 IWTN520 USER MANUAL
15. User faults, using the device out of its purpose cause the device
to be out of scope of warranty.
16. Dispose of the device and batteries according to your local
regulatory or environmental protection agency.
17. There is no standard temperature, please take a measurement
from the subject in healthy period as a reference.
18. Use this thermometer as a reference. Please consult your doctor
before any medical attention.
DEVICE DESCRIPTION
Lens
Probe
Memory / Mode
Button
LCD Display
POWER
Button
Battery
Cover
Forehead Mode
Waiting for setting
Object temperature
Mode
Low Battery
Indicator
Memory
Indicator
Measure
Scale (°C/ °F)
Measure Value
Measuring
Quick Start
1. Install battery into the device. Make sure the polarity (+ and -) of
the battery matches as shown in the battery compartment.
2. Press and release the POWER button, you will hear a short beep.
The measuring process will begin after the hourglass disappears,

WTN520 USER MANUAL I 5
you hear two short beeps and either °C or °F appears.
3. Aim the Probe toward the forehead or object approximately 5cm
from surface, then press and release the POWER button to record
the measurement.
4. Read the temperature on the display.
BATTERY INSTALLATION
ATTENTION!
1. Use only same type of alkaline batteries to avoid incompatibility.
2. Replace with 2 new AAA batteries at the same time when the low battery
indicator appears.
3. The memories will be erased after replacing the batteries.
4. Remove the batteries if the device is not likely to be used for a long period
of time.
5. Do not dispose battery in a fire. The battery may explode.
1. Remove the battery cover to insert batteries.
2. Confirm the polarity (+ and -) of batteries is correct as indicated
inside the compartment and insert batteries accordingly.
3. Replace the battery cover.
SETTINGS
Changing Modes/Settings
The device has four modes/settings: 1. Forehead mode 2. Object tem-
perature mode 3. Beeper On/O setting 4. Oset setting
The default mode is Forehead mode.
1. Press and release the POWER Button to turn on device.
2. Press and hold the Memory/Mode button firmly for about 3
seconds.
3. Continue to press and release the Memory/Mode Button to
switch between the four modes/settings.

6 IWTN520 USER MANUAL
Forehead mode
This mode is intended to measure the temperature of forehead.
1. When switching between the four modes/settings, simply stop
pressing the button when the Forehead Mode icon is shown.
2. The device is now ready to measure forehead temperature.
Carefully read and follow Measurement Consideration.
Object temperature mode
This mode is intended to measure the temperature of object surface.
This mode is not intended for determining human body temperature.
1. When switching between four modes/settings, simply stop
pressing the button when the Object Mode icon is shown.
2. The device is now ready to measure the surface of object
temperature.
Beeper On/O
The default setting is beeper ON. You may switch it o to avoid distur-
bing the patient or others.
1. When switching between the four modes/settings, simply stop
pressing the button when Beeper On/Off icon is shown.
2. After the icon disappears, the device will show on. Press and
release the Memory/Mode Button to show OFF. Press the POWER
Button to confirm sound is off.
3. To turn the sound back on, repeat step 1 above.
4. After the icon disappears, the device will show OFF. Press and
release the Memory/Mode Button to show on. Press the POWER
Button to confirm sound is on.
Oset Setting
The device is capable to convert measured forehead temperature rea-

WTN520 USER MANUAL I 7
ding to oral temperature automatically. You can apply this mode as a
reference temperature to other body sites such as rectal, axillary, and
auricular. Please use other thermometer to measure your rectal, axillary
or auricular temperature to confirm the temperature dierence. Oset
default is zero (o).
1. When switching between the four modes/settings, simply stop
pressing the button when Offset Mode icon is shown.
2. Press the Memory/Mode Button to start offset alignment when
symbol disappears.
3. Press the POWER Button to increase offset within range from
+1°C to -1°C (+2°F to -2°F).
4. It increases 0.1°C (0.2°F) by pressing the offset manually.
5. Press and release the Memory/Mode button to turn the offset off.
6. The device will beep twice indication it is ready to begin a new
measurement.
Setting °C or °F Scale
1. You may only set/reset the °C or °F unit when the device in
Forehead mode or Object mode.
2. After device is powered on, press and release the Memory/Mode
button, then immediately press and release the Power Button to
switch the temperature unit.
3. Device is now ready to measure a temperature.
4. Repeat step 2 above to switch back and forth.
Memory Functions
Recalling Memories
1. Memory recall can only be used when the device is in Forehead
mode or Object mode.

8 IWTN520 USER MANUAL
2. After device has been powered on, simply press and release the
Memory/Mode Button to show readings stored in memory.
3. When finished viewing memory, you may use the device as
explained in #3 of Quick Start (pg.5).
Deleting Memories
Data stored in the memory will disappear after replacing the batteries.
Measurement Consideration
1. Forehead site must be dry and clean, free of sweat and cosmetics
before taking measurement.
2. Hair should be held back from forehead site before taking
measurement.
Aim the probe center at the temple (around 2 cm above eyebrow tail)
or object surface. Keep the probe away from skin or object surface aro-
und 5cm.
Taking a Measurement
1. Press and release the POWER Button to turn on the device.
2. All symbols should appear on the display.
3. Aim the Probe toward the forehead or object, approximately
5cm from surface, then press and release the POWER button to
record the measurement.
4. The measurement is complete when you hear “Di Di”-“Di Di”
sounds.
5. You can take next measurement instantly.
6. The temperature and back light color shows on the display.
7. The color of the back light is determined by measurement
reading. Please refer to Table 2.
8. In Forehead Mode Only: The device will continuously beep a

WTN520 USER MANUAL I 9
fever alarm if the temperature reading is over 37.5°C (99.5°F).
9. The device will automatically power off after 60 seconds unused
period.
CLEANING
1. Use a cloth dampened with water or alcohol to clean and dry the
device and Lens.
2. Do not use thinner, benzene, and other harsh cleaners for
cleaning the device.
3. Do not immerse the device in water or liquid of any kind. The
device is not water proof.
CARE AND STORAGE
1. DO NOT drop or crush the device. It is not shock proof.
2. DO NOT dismantle or attempt to modify the device.
3. DO NOT store the device in an extreme environment with direct
sunlight, very high or low temperatures or in a place with high
moisture/humidity or dust.
4. Please contact your local agent or distributor if the device does
not function as described in this manual.
PRODUCT SPECIFICATION
Measurement Sites: Forehead and Object
Measurement Distance: 3 ~ 8cm
Measurement Time: 1 second
Display Resolution: 0.1°C (0.1°F)
Measurement Scale: °C / °F
Measurement Range
Forehead mode: 32.2 ~ 43.3°C (90 ~ 110°F)
Object mode: 0 ~ 100°C (32 ~ 212°F)
Accuracy
Forehead mode : 32.2 ~ 43.3°C (90 ~ 110°F) ±0.2°C(0.4°F)
Object mode : 0 ~ 100°C (32 ~ 212°F) ± 1°C (2°F)

10 IWTN520 USER MANUAL
Memory: 10 sets
Auto Shut Off: After 60 seconds
Operation Environment: 10 ~ 40°C (50 ~ 104°F)15 ~ 95%RH (non-
condensing)
Storage Environment: -25 ~ +55°C (-13 ~ +131°F)15 ~ 95%RH (non-
condensing)
Power Source: 2 AAA 1.5Volt batteries
Battery Life: Approx. 1000 measurement cycles
Dimension: 138 x 90 x 45 mm ( 5.43 x 3.54 x 1.77 in )
Weight: 132g (4.66oz) including batteries
Warranty: 2 year
Classification: Internally powered equipment
Type BF Applied Part
This device complies with all requirements of ASTM E1965-98 Standard
Specification for InfraredThermometers for Intermittent Determination
of Patient Temperature, EN 12470-5 Clinical thermometers - Part 5: Per-
formance of Infrared ear thermometers (with maximum device)