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Specifications; Troubleshooting - Philips DL8740 User Manual

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Body temperature
Normal body temperature is a range. A person's
normal temperature range tends to decrease
with age. The following table shows normal
temperature ranges by age.
The range of normal body temperature varies from
person to person and can be influenced by many
factors such as time of day, level of activity and
emotions.
Temperature in
Temperature in
Age
°Fahrenheit
°Celsius
0-2
97.5 - 100.4°F
36.4 - 38.0°C
years
97.0 - 100.0°F
36.1 - 37.8°C
3-10
years
11-65
96.6 - 99.7°F
35.9 - 37.6°C
years
96.4 - 99.5°F
35.8 - 37.5°C
> 65
years
Source: Chamberlain, J.M., et al., Determination of
Normal Ear Temperature with an Infrared Emission
Detection Thermometer, Annals of Emergency
Medicine, January 1995, Vol. 25, pp. 15-20.
Performing a measurement
Note: Before measuring, make sure that the probe
tip of the device is clean.
1 Remove the protection cap before you use the
device (Fig. 7).
2 Press the power button to switch on the device.
-
The display shows the last measurement
result as well as the history icon.
3 Hold the outer ear and gently pull it towards
the rear of the head to straighten the ear canal.
-
Children under the age of 1 year: hold the outer
ear and gently pull it straight
back (Fig. 8).
-
Children aged 1 year or older: hold the outer ear
and gently pull the ear up and
back (Fig. 9).
4 Insert the probe tip very gently and slowly into
the ear canal (Fig. 10).
-
Make sure the probe tip points straight towards
the eardrum when you hold it.
-
Always insert the probe tip into the same ear, in
the same direction and at the same depth.
Note: A temperature measurement taken in the
right ear may differ from a measurement taken in
the left ear.
5 Press the power button to start the
measurement (Fig. 11).
-
When the measurement is done, you will hear
2 beeps.
6 Remove the probe tip from the ear
canal (Fig. 12).
-
The display shows the measured temperature
and the temperature light ring around the
power button lights up red, if the measured
temperature is above 100.4°F / 38.0°C.
Note: The temperature display on the device
shows the measurement result for 30 seconds or
until you perform a new measurement.
Note: The thermometer is equipped with a thermal
sensor located in the tip of the device. Immediately
after a measurement the device needs a short time
(approx. 6 seconds) to stabilize the thermal sensor
to ensure the accuracy of the next measurement.
Within these 6 seconds a measurement cannot be
taken. The backlight of the device will switch off
as soon as the thermometer is ready to do a new
measurement. If you try to measure multiple times
within 6 seconds, the thermometer will give audible
feedback in the form of three short sequential
beeps, indicating no measurement was done. In this
case you should wait a few moments and try again.
Temperature light ring
This device is equipped with a temperature light
ring around the power button (Fig. 13).
After the measurement, the ring lights up red,
depending on the measured temperature.
-
When the temperature light ring lights up red,
the measured temperature is between 100.4°F
(38.0°C) and 109.2°F (42.9°C).
Transmit and display personal
measurement results in the app
Note: Your personal measurement data is only
stored and displayed in the Philips HealthSuite
health app.
1
Start up the Philips HealthSuite health app and
switch on Bluetooth on your mobile device.
2 The Bluetooth symbol will light up on the
display of the thermometer to indicate it is
connected to your mobile device.
-
Once successfully connected, the measurement
results will be automatically transmitted to your
mobile device via Bluetooth.
-
If the data transmission is successful, the
measurement results are displayed in the
Philips HealthSuite health app.
-
The time and date of each measurement is
shown in the Philips HealthSuite health app.
Removing/inserting batteries
When the batteries are almost empty, the display
shows a flashing battery symbol and the text „bAtt'
(Fig. 14).
When the battery low symbol appears on
the display (Fig. 4) or if the device does not
function at all, replace the batteries as soon as
possible. The device works on 2x 1.5V AAA alkaline
batteries.
Data will be lost when the batteries are completely
empty or are taken out of the thermometer.
1
Slide the battery cover down to open the
battery compartment and remove the empty
batteries (Fig. 15).
2 Insert two new batteries in the battery
compartment according to the polarity
indications ( + and - ) marked inside the
compartment. Press down the batteries until
they click into place (Fig. 16).
3 Slide the battery cover back until it locks into
place (Fig. 5).
Setting the measurement unit
You can select either Fahrenheit (°F) or Celsius (°C)
for measuring temperature.
1
Switch on the device.
2 Press and hold the °F / °C selection button for
3 seconds to change the measurement
unit (Fig. 17).
Cleaning and storage
Caution: Do not expose the device to extreme
temperatures (below -4 °F/-20 °C or over
140 °F/60 °C), extreme levels of humidity
(below 15%RH or over 85%RH), direct sunlight
or shock. This may result in inaccurate
measurements.
For hygienic reasons, the device should be
cleaned after each use.
1 Moisten the cotton swab with a few drops of
alcohol and wipe the surface of the infrared
sensor gently with the swab (Fig. 18).
2 Immediately wipe the surface dry with a clean
cotton swab.
3 Use a soft dry cloth to clean the body of the
device (Fig. 19).
4 Store the device in a clean, dry place at room
temperature.
This device has no other user-serviceable parts.
For assistance call 1-844-531-6861.
Calibration
The device has been calibrated when it was
manufactured. If the device is used according to
the instructions, recalibration is not required.
If you question the accuracy of the measurement
at any time, call 1-844-531-6861 for assistance.
Accessories
Philips accessories may be purchased at a store
near you, or on our website www.philips.com/
store.

Specifications

Power supply 2 x AAA non-rechargeable
alkaline batteries
Temperature
90.3°F - 109.2°F / 32.4°C - 42.9°C
measuring
range
In-ear
± 0.4°F (± 0.2
C) within the range
°
measurement
of 90.3°F - 109.2°F / 32.4
C -
°
accuracy
42.9°C
Dimensions
5.3" (L) x 1.5" (W) x 1.1" (H) / 134 (L)
x 37 (W) x 27 (D) mm
Weight
About 0.12 lb / 54.6 g (without
battery)
50.0°F - 104.0°F (10.0°C - 40.0
Operating
with a relative humidity of 15% -
conditions
85%, 86 kPa to 106 kPa
-4°F - 140°F (-20
°
C - 60°C) with a
Storage and
relative humidity of 15% - 85%,
transport
86 kPa to 106 kPa
conditions
Service life
2 years
Disposal
-
Battery must be removed from the device
before discarding.
-
Dispose of batteries properly. Do not incinerate.
Batteries may explode if overheated.
-
Do not wrap in metal or aluminum foil. Tape the
waste battery terminals before discarding.
-
It is suggested that you contact your local town
or city to determine proper battery redemption
site(s) in your area.

Troubleshooting

This chapter summarizes the most common
problems you could encounter with the device.
If you are unable to solve the problem with the
information below, visit www.philips.com/support
for a list of frequently asked questions or call
1-844-531-6861 for assistance.
Problem
Solution
Possible
cause
The device
The batteries
Replace the
does not
are empty.
batteries.
respond
or resets
automatically
when I pull
out the battery
strip.
The poles of
Remove the
the batteries
batteries and
point in
reinsert them
the wrong
properly.
direction.
C)
°

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