Welby 91807 User manual
INSTRUCTION MANUAL
Item No. 91807
Ear and Forehead
Thermometer
19.PJN174-14_GA-USA_HHD-Ohrthermometer_DSO364_28.07.14
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5
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7
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9
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13
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15
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1.0
2.0
2.1
2.2
3.0
3.1
3.3
3.4
3.5
4.0
4.1
4.2
4.3
5.0
6.0
7.0
8.0
8.1
8.2 Warning indicator if the body temperature is
too high
Commissioning of the device
Basic functions
LCD display
Designation of device parts
Scope of delivery / contents
Information on measuring the body tempera-
ture in the ear
Advantages of measuring the body tempera-
ture in the ear
What is body temperature?
Questions concerning body temperature
Information on the application of the device
Usage by children and adolescents
Environment for which the DSO 364 device is
not suited
General safety instructions
Safety instructions
Application and functionality
Definition of symbols
No. Topic Page
TABLE OF CONTENTS
D
USA
Field of application
Intended use
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23
23
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26
28
30
32
33
33
36
37
38
39
41
44
8.3
8.4
8.5
9.0
9.1
9.2
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
21.0
3
Warranty
Technical specification
Malfunctions
Calibration
“Cleaning” warning indicator
Cleaning and care
Battery change and information concerning
batteries
Disposal of the device
Object temperature measurement
Measuring the temperature on the forehead
Measuring the temperature in the ear
Memory mode
Setting time and date
Display of time and date
Display / setting time and date
Setting °Celsius / °Fahrenheit
Energy saving mode
TABLE OF CONTENTS
No. Topic Page
Backlighting / torch function
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In this respect, it is important that you apply the
correct technique in order to achieve precise
and reliable temperature measurements. For
this purpose, please read this instruction manual
carefully!
Fig. 1
Infrared
rays
Infrared
sensor
Eardrum
Hypothalamus
Scientific studies have shown that the ear is
ideally suited to measure the body temperature.
The body temperature is controlled by the
hypothalamus, the blood vessels of which also
supply the eardrum with blood. It is therefore
advantageous to measure the body temperature
whenever possible in the ear as shown in Fig. 1.
Measuring the body temperature in
the ear
Thank you for purchasing Ear and Forehead
Thermometer. For safe use of this product,
be sure to read and fully understand this
manual as well as the safety precautions, prior to
any use. Please keep this manual safely stored for
convenient reference. The device is intended for
the intermittent measurement and monitoring of
human body temperature by consumers in the
home.
BASIC INFORMATION
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USA
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ATTENTION: For the users, it is dangerous to
make a self-diagnosis and to treat themselves
based on the measurement results. This may lead
to a worsening of diseases and illnesses. Under
no circumstances can this device replace any
medical consultation – if in doubt, always seek
medical advice!
PLEASE NOTE: The correct measuring technique
is very important to achieve precise measurement
results! Therefore, carefully read this instruction
manual prior to using this device!
Device with a Type B application
part: Protection against electric shock by
complying with the standards regarding
the leakage currents.
These instructions must be followed
under all circumstances!
Warning / danger: If not used
correctly, there might be the risk of
serious injury, damage and mortal
danger!
Read and follow the instruction manual!
The symbols refer to the following content:
The safety symbols shown in this instruction
manual contain information concerning the correct
use of the device and your safety.
1.0 Definition of symbols
BASIC INFORMATION USA
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This device is not intended to be used by people
(including children) with limited physical, sensory
or mental capabilities or with a lack of experience
and / or knowledge unless they would be super-
vised by a person responsible for their safety or
received instructions by such a person on how the
device is to be used.
Use the Ear and Forehead Thermometer solely
for the intended purpose: to measure the tem-
perature of the human body in the ear or on the
forehead and to measure the temperature of
liquids (such as milk or water) or surfaces.
2.1 Intended use
The Ear and F hermometer is an infrared
temperature measurement device with which you
can easily and straightforwardly carry out precise
measurements of the body temperature on the
forehead or in the ear as well as the temperature
of liquids or surfaces. An acoustic signal indicates
the end of the temperature measurement; then,
you can read the temperature measured on the
LCD display. The device can save and display the
data of the last 9 body temperature measure-
ments on the forehead or in the ear. Green / red
indicator lights signalise if the body temperature
measured is in the normal range (green) or if the
body temperature is too high (red). The torch
function facilitates orientation and application in
the dark.
orehead T
2.0 Application and functionality
BASIC INFORMATION
D
USA
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3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7 Accessories from other devices must not be
used.
Any misuse and use not in conformity with
the application must be avoided.
Please store this instruction manual during
the useful life of the product for later
reference and also hand it over if you pass
the device to third parties. Please make the
instruction manual also available to third
parties. The instruction manual is an integral
part of the device.
If you have any doubts concerning the
application of the device, you should seek
medical advice in advance.
During the measuring process, do not carry
out any other activity.
If irregularities occur during the use of the
device, you must stop the application
immediately and seek medical advice.
In case of a defect, the device must not be
used. Do not try to modify (change), dis-
assemble or repair the device or replace any
parts.
3.1 General safety instructions
3.0 Safety instructions
This device is intended to be used and applied
only in a domestic environment, but it is not
suitable for commercial usage.
2.2 Field of application
SAFETY INSTRUCTIONS
7
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The device is equipped with a class 1 LED
(torch function). Do not look directly into the
LED light beam for a longer period of time
and do not point the LED light beam into the
eyes of other people or animals!
Do not store the device in places with ex-
tremely high or low ambient temperatures
(below -4 -20 °C or above 131
55 °C) or in extremely dry or damp environ-
ments, since this could result in inaccurate
measurement results.
°F / °F /
Remove the batteries from the device if it is
not used for a longer period of time in order
to prevent damage caused by leaking
batteries.
Do not open the device and do not try to re-
pair it yourself in the event of malfunctions
or damage, as this leads to the expiry of
your warranty claim. The device may only
be repaired by authorised specialist
personnel.
Do not expose the device to direct sunlight
and excessively high or low temperatures.
Use and store the device only in dry
environments free from any contamination.
In order to ensure precise measurement
results, particularly protect the infrared
sensor of the device against moisture, dirt
and damage.
Do not drop the device, do not shake it and
do not expose it to any impacts.
SAFETY INSTRUCTIONS
D
3.1.8
3.1.9
3.2.0
3.2.1
3.2.2
3.2.3
3.2.4
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3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6 Medical electrical devices are subject to
special precautions regarding EMC (electro-
magnetic compatibility).
Keep a distance of at least 1.5 metres to
shortwave or microwave devices and / or
high-frequency (HF) surgical devices when
using the temperature measurement device.
Do not use the device on mountains higher
than 3,000 metres.
Do not use mobile phones next to the device
when carrying out the temperature measure-
ments. Please note that portable and mobile
HF (high-frequency) communication equip-
ment (e.g. mobile phones) may influence
medical electrical devices.
While using the device, it may interfere with
other electric devices or may be impaired by
other electric devices. Therefore, do not use
the device near other electric devices.
Do not use the device near highly flammable
substances or gases or near explosives.
Do not use the device in damp and wet
environments. Keep the device away from
any liquids while in use and, above all, never
immerse it in liquids.
3.3 Environment for which the
DSO 364 device is not suited
SAFETY INSTRUCTIONS
9
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3.4.1
3.4.2
3.4.3
3.5.1
3.5.2
3.5.3
3.5.4 Fig. 2
correct
Keep the
infrared sensor
clean!
wrong
Do not measure the body tem-
perature in the ear if the ear is inflamed or
infected!
Do not touch the infrared
sensor and do not blow at it.
Any dirt on the infrared sensor
might lead to inaccurate
measurement results.
Keep the infrared sensor clean
and dry and avoid any damage
(see Fig. 2). This is the only
way to obtain precise measure-
ment results.
This thermometer cannot replace any
consultation or treatment! The
measurement results are only used for
comparative purposes. In the event of health
problems, it is absolutely necessary to seek
your doctor's advice!
medical
3.5 Information on the application of
the device
Keep the device out of the reach of children.
Small parts or batteries could be swallowed
by children who might then choke. Children
could hurt themselves when using the
device.
Supervise children in order to prevent them
from playing with the device.
The device must be stored out of the reach
of children and adolescents younger than 18
years.
3.4 Usage by children and
adolescents
SAFETY INSTRUCTIONS
D
USA
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Table of contents
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