Page 1
Technical File
File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
1 / 18
HeTaiDa
Non Contact Infrared Body
Thermometer
User Manual
Model: HTD8823US
Software version: V10
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Technical File
File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
2 / 18
Foreword
The non contact Infrared body thermometer operating Instructions intend to provide
the necessary information for proper operation of HTD8823US thermometer model.
Only body mode was reviewed and certified by notified body.
General knowledge of Infrared thermometer and an understanding of the features and
functions of the HTD8823US thermometer model are prerequisites for proper use.
The HTD8823US is a medical device, and can be used repeatedly with using life is 5 years.
And the shelf life of HTD8823US is 5 years too.
Please read the manual first before using it, if not fully understand the usages, please stop
using the thermometer.
Do not operate any of the models HTD8823US thermometer without completely
reading and understanding these instructions.
NOTICE
Purchase or possession of this device does not carry any express or implied license to use
with replacement parts which would, alone or in combination with this device, fall within the
scope of one of the relating patents.
For further information contact:
Hetaida Technology Co., Ltd.
Adds: 4F, BaiShiDa High-Tech Park, XiangDong Industrial Area, DaLingShan Town,
DongGuan City, Guangdong, China
Tel: +860769-82658050
Fax: +86 0769-82658050 0598
Contact: Tom. Chen
E-mail: [email protected]
Company Name: Wellkang Ltd
Company Address: 16 Castle St, Dover, CT16 1PW, UK
Tel: +44 (20)30869438, 32876300
Fax: +44(20)76811874
Web: www.CEmark.com, www.CE-marking.com, www.CE-marking.eu,
Email: [email protected]
About this manual edition
Current Updated Edition/Revision: A.1, April,13rd, 2020;
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Technical File
File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Safety Information
This device may only be used for the purposes described in these instructions. The
manufacturer cannot be held liable for damage caused by incorrect application.
The non contact infrared body thermometer is designed to minimize the possibility of hazards
from errors in the software program by following sound and light engineering design
processes, Risk Analysis and Software Validation.
Warning
Warnings are identified by the WARNING symbol shown above.
The Non Contact Infrared Body Thermometer is to be operated by consumers in the
household environment, nursery school and doctor in clinics. This manual, accessories,
Directions for Use, all precautionary information, and specifications should be read
before use.
This product is designed to measure human body temperature on the forehead. Do not
use it for any other purpose.
This product is intended in the home setting and primary care setting as screening tool.
Do not use the thermometer if it malfunctions or has been damaged in any matter.
When the ambient temperature of the thermometer changes too much, such as moving
the Thermometer from one place of lower temperature to another place of higher
temperature, Allow the thermometer to remain in a room for 30 minutes where the
temperature is between 5°C to 40°C (41°F - 104°F).
Remove primary batteries if equipment is not likely to be used for long time.
This product is not waterproof, do not be immersed in water or other liquid; If cleaning
and disinfection, please follow the "Care and Storage" section requirements.
Do not touch the sensor of infrared detection with your fingers.
If a cold compress on the forehead fever patients, or take other measures to cool down
the temperature data will low, should be avoided in this case to measure body
temperature.
This product must be operated in a stable environment, if the ambient environment was
mutations, please should be note whether there is fog on the sensor, if any, before using
accordance with the "Care and Storage" section to removing the fog.
Do not near strong electrostatic field or strong magnetic fields, thus avoiding the impact
on the accuracy of the measurement data.
Do not mix the old and new batteries to avoid damage to the product.
It may affect the accuracy of measurements when the forehead is covered by hair,
perspiration, cap or scarf.
The measuring result of this product is only for your reference. If you have any doubt,
please measure the temperature in other methods.
The device should be kept out of the reach of children/pets. When not in use, store the
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Technical File
File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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device in a dry room and protect it against extreme moisture, heat, lint, dust and direct
sunlight. Never place any heavy objects on the storage case.
Do not throw batteries into fire.
Only use recommended batteries. Do not use rechargeable batteries.
This thermometer will irreplaceable the diagnostic in hospitals.
Do not fall, disassemble or modify the device.
Do not use this device if you think it is damaged or notice anything unusual.
This device comprises sensitive components and must be treated with caution. Observe
the storage and operating conditions described in the ‘Technical Specifications’ section.
Not servicing/maintenance while the thermometer is in use.
When using, shall not touch battery and the patient simultaneously.
Do not use the device if it is damaged/ degraded/loosened in any way. The continuous
use of a damaged unit may cause injury, improper results, or serious danger.
Based on the current science and technology, other potential allergic reactions are
unknown.
This equipment needs to be installed and put into service in accordance with the
information provided in the ACCOMPANYING DOCUMENTS.
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File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Figure 1: Structure description
1. IR sensor
2. Position lamp
3. Liquid crystal display (LCD)
4. On/Scan button
5. Battery Cover
1. Memory indicator
2. Data indicator
3. Indicator of measurement result
4.Speaker
5. Battery indicator
6.Unit
Figure 2: LCD description
Section 1- Overview
Indication for use:
The Non-contact Infrared Body Thermometer, Model: HTD8823US, is an electronic clinical
thermometer using an infrared sensor to detect body temperature from the forehead in people
of all ages for home setting use.
Description of Non Contact Infrared Body Thermometer
Device principle and introduction
The HeTaiDa Non contact infrared body thermometer are hand-held, reusable,
battery operated devices, which can measure human body temperature on forehead,
the skin temperature on one's forehead.
The operation principle is based on Infrared Sensor technology. The IR sensor can
output different signal when measuring different object temperature or in different
ambient temperature, and the ASIC can turn the signal from IR Sensor to a digital
value and display it on the LCD.
Description on Controls, Indicators, and Symbols
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Technical File
File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Thermometer Applications
Thermometer
Model Number
Thermometer
Style
Adult
Pediatric
Ear
Forehead
Ear
Forehead
HTD8823US
Non Contact Infrared Body
Thermometer
√
√
Warning
Operating atmospheric
pressure
Non sterile packaging
Refer to operating
instructions
Compliance with WEEE
Standard
Operating
Temperature
DO NOT THROW AWAY
Intended for multiple use
Operating Humidity
Indicates this device is in
compliance with MDD
93/42/EEC. 0598 is the
Notified Body Number
This device compiles
with Part 15 of
FCC( Federal
Communications
Commission) Rules.
Restriction of Hazardous
Substances
Manufacturer
Authorized
Representative in the
European community
Recyclable
Serial number
IP22
IP22: The first number
2: Protected against
solid foreign objects of
Ф 12.5 mm and greater.
The second number:
Protected against
Batch code
Equipment Symbols
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File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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vertically falling water
drops when enclosure
titled up to 15º.
Technical Specifications
Measurement Unit
°C /°F (HTD8823US)
Operating mode
Adjusted mode(Body mode)
Reference Body Site
Oral
Rated output range
34.0°C ~ 43.0°C / 93.2°F -109.4°F
Range
34.0°C ~ 43.0°C / 93.2°F -109.4°F
Accuracy
Body mode:
34.0°C ~ 34.9°C : ± 0.3°C / 93.2°F - 94.8°F : ± 0.5°F;
35.0°C ~ 42.0°C : ± 0.2°C / 95.0°F - 107.6°F : ± 0.4°F;
42.1°C ~ 43.0°C : ± 0.3°C 107.8°F - 109.4°F : ± 0.5°F;
Display Resolution
0.1°C /0.1°F (HTD8823US)
Three-color Backlight
(Color Alarm)
34.0°C - 35.7°C / 93.2°F - 96.3°F: no backlight;
35.8°C - 37.4°C /96.2°-99.4°F: Green (Normal Temperature);
37.5°C - 38.5°C / 99.5°F - 101.3°F: Yellow (Slight Fever);
38.6°C - 43.0°C / 101.4 - 109.4°F: Orange(High Fever)
Auto Power Off Time
≤18s
Measuring Time
Forehead mode: ≤ 2s
Forehead scan mode: 3 ~ 10s
Measuring Distance
1 CM -5CM(0.4 in -2in)
Memories
1
Power Supply Requirements
Batteries
1.5V (AAA) Alkaline batteryX2 (IEC Type LR03)
Adaptable Range
2.6V~3.6V
Environmental
Operating Condition
Operating Temperature: 5°C ~40°C (41°F ~104°F)，
Relative Humidity ≤ 85% (no condensing)
Atmospheric pressure: 70 Kpa -106Kpa
Transport and Storage
Condition
Storage Temperature: - 20°C -55°C / -4 °F - 131°F,
Relative Humidity ≤ 95% (no condensing)
Atmospheric pressure: 70 Kpa -106 Kpa
Dimension and Weighting
Weight (without batteries)
47g
Size
L: 122mm X W: 30mm X H: 43mm
Compliance
Item
Compliant with
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File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Equipment classification
Safety Standards:
ANSI AAMI ES60601-1: 2005/(R)2012 and A1:2012
IEC 60601-1-2: 2015
Type of protection
Internally powered equipment (on battery power)
Front panel and case
labeling
ISO 15223-1 : 2016
Performance
ASTM E1965-98 (2016)
Home healthcare
environment
IEC 60601-1-11 : 2015
Indicators
Forehead mode
Forehead Scan mode
Group I
(Infants)
Group II
(Children)
Group III
(Adults)
Group I
(Infants)
Group II
(Children)
Group III
(Adults)
Clinical Bias
0.18
0.17
0.17
0.16
0.16
0.15
Uncertainty
± 0.11
± 0.10
± 0.10
± 0.09
± 0.08
± 0.08
Clinical repeatability, Sr
0.13
0.12
Protection against electric shock
Internally powered ME
equipment
Applied part
Non Applied part
Protection against harmful ingress of water or
particulate matter
IP22
Mode of operation
Continuous operation
Note: Not intended to be sterilized. Not for use in an OXYGEN RICH ENVIRONMENT
Calculated values of the indicators according to ISO 80601-2-56
*Infants except less than or equal to 28 days of age
Safety classification of ME EQUIPMENT
2- Operation
2.1 Battery installation
Caution: The Non Contact Infrared Body Thermometer does not operate with dead
batteries and does not input outer power. Install new batteries.
1) Pull the battery downward, toward the bottom of the Non Contact Infrared Body
Thermometer, and remove the battery access door;
2) Insert two pieces AAA size batteries according to the “+” and “-”;
3) Close the battery cover.
2.2 How to Operate
Before Applying the Thermometer
Be sure to read and understand all warnings listed of the instructions before use.
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File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Figure 3-Measuring position and distance
Forehead mode: press On/Scan button to open the device, the thermometer is
aligned with the middle of the forehead to measure body temperature (between the
eyebrows above) and keep the vertical distance, press the On/Scan button, the
position lamp indicates measurement site with light spot on the forehead,
temperature display immediately, see figure 3.
Forehead Scan mode: gently position the probe flush (flat) on the center of the
forehead, midway between the eyebrow and the hairline. Press and hold the
On/Scan button. Lightly slide the thermometer across the fore-head keeping the
sensor flat and in contact with the skin until you reach the hairline, release the
On/Scan button and remove the thermometer from the head, then the temperature
will display on the screen. The whole process takes 3~10 seconds.
When the ambient temperature of the thermometer changes too much, such as
moving the Thermometer from one place of lower temperature to another place of
higher temperature, Allow the thermometer to remain in a room for 30 minutes where
the temperature is between 5°C to 40°C.
The ambient temperature around the test person should be stable, should keep away
from the larger flow fan, air-conditioning vents and so on.
When people moving from one place of lower temperature to another place of
higher temperature, should at least remain in the test environment more than 5
minutes, to be consistent with the ambient temperature after the re-measurement.
Wait at least 1 second for the next measurement. If the continuous measurement of
five times, it is recommended to wait at least 30 seconds and then continue
measurement.
You cannot use the thermometer in place where the sun is strong.
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File No.
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Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Figure 4- All segments displayed
Figure 5 – Last memory display
Figure 6 – Ready display for measurement
General Setup and Use
Start measuring
1. Turn on the thermometer by pressing the On / Scan button. The thermometer
will perform self-test with all segments displayed (Figure 4) for 1 second.
2. And then show last measurement value (Figure 5), and back to ready display
for measurement displayed ‘- - - -‘. (Figure 6)
3. Forehead mode: Align staff forehead to keep the distance, and then press the
On/Scan button, the position lamp indicates measurement site with light spot
on the forehead, and start the measurement, read the data.
4. Forehead scan method: position the probe flush (flat) on the center of the
forehead, midway between the eyebrow and the hairline. Press and hold the
On/Scan button. Lightly slide the thermometer across the fore-head keeping
the sensor flat and in contact with the skin until you reach the hairline, release
the On/Scan button and remove the thermometer from the head, then the
temperature will display on the screen. The whole process takes 3~10 seconds.
Note: 1) After full display over, you will hear a rattle or "bibi" four times, which means that
the measurements have been completed, while the target value of the measured
temperature is displayed on the LCD, while backlit display according to the
appropriate setting among the three colors green, yellow, orange one of. And the
Green means ready for next measurement. When 37.5°C ~ 38.5°C, it's yellow,
means slight fever warning. Please pay attention to body temperature. When the
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File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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MESSAGE
SITUATION
SOLUTION
Temperature taken in not within
Typical human temperature range.
(34.0 ~ 43.0°C or 93.2°F ~
109.4°F).
Make sure the forehead
thermometer is for forehead
measurement, not other
human body site.
Measured over the distance 1-
5 cm ( 0.4 - 2 in);
Optimum measurement
distance is 1cm.
Subjects forehead hair,
Antipyretic stickers, head with
sweat, etc.
Subjects sit quietly 5-10
minutes before the test.
Some people's body
temperature is lower than the
general population.
The main concern fever
temperature
Operating temperature exceeds
the range of specified
temperature.
Move to a room within the
operating range wait 30 minutes
before taking temperature.
The screen flicker, automatic turn
off.
Replace battery or the product has
been damaged, needs repairs.
body temperature is 38.6°C or above, it's orange, means high fever. Please take
action to cool down or go for a doctor.
2) To ensure the accuracy of the measurement, wait at least 30 seconds after 5
consecutive measurements.
Unit Set ( Only applicable for HTD8823US)
Turn on the thermometer by pressing the On/Scan button. The thermometer will perform self-test
with all segments displayed for 1 second, and then show last measurement value. During last
measurement show, press and hold on On/Scan button to enter unit switch display. When display unit
what you want, release On/Scan button saving the setting, and back to ready display for measurement
displayed ‘- - - -‘.
3- Troubleshooting
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Rev. No.
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Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
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Battery capacity is too low. Taking
Temperature is not allowed.
Install a new battery
Ambient temperature changes too
fast
Wait until the ambient temperature
is stably.
(1) Power is off.
(2) Improper battery installation.
(3) The battery is exhausted.
(4) Display remains blank.
(1) Press On/Scan button again.
(2) Check the battery polarity.
(3) Replace with a new battery.
(4) Contact the retailer or service
center.
4-Replacing the Battery
1). Open and release battery cover following indicator on the surface of shell. Before
changing the battery being sure the system is already power off.
2). Remove the batteries and replace with 2 new one, type AAA, Make sure align properly
as indicated inside the battery compartment
3). Slide the battery cover back in until it snaps in place.
Do not dispose of used batteries in household waste. Take them to special local collection
sites.
5). In case, if system is latched up after changing battery. You may not follow up the
process of rule one. Just take off battery, waiting 30 sec, then load battery again.
Warning
Do not recharge, disassemble or dispose of in fire.
1.The typical service life of the new and unused batteries is 2000 measurements for the
operation time is 18s.
2. Only use the recommended batteries, do not recharge non-rechargeable batteries and
do not burn them.
3. Remove the batteries if the thermometer is not to be used for a long period.
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File No.
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Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
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5-Cleaning, Care and Storage
The lens is very delicate.
It is very important to protect the lens from dirt and damage.
This thermometer is for single patient reuse, you may use 70% isopropyl alcohol wipes to gently
clean thethermometer after each use.
Rubbing device (including markings) by hand without undue pressure with 70% isopropyl alcohol,
especially skin contact part, such as the probe, shell, LCD for 15s after each measurement, wiping
sensor of thermometer (which is in the center of probe surrounded by ABS case) gently for 3s
using a cotton swab wetted 70% isopropyl alcohol if dirty.
Always keep the thermometer a within the storage temperature and humidity range as
specified.
It is recommended to store the thermometer in a dry location free from dust.
Always keep the thermometer within the storage temperature range (- 20°C to 55°C or – 4°F
to 131°F) and humidity range (≤ 95% non-condensing)
It is recommended to store the thermometer in a dry location free from dust. Do not expose
the thermometer to direct sunlight, high temperature/ humidity or any extreme environment,
otherwise the function will be reduced.
When the ambient temperature of the thermometer changes too much, such as moving the
thermometer from one place of lower temperature to another place of higher temperature,
allow the thermometer to remain in a room for 30 minutes where the temperature is between
5°C to 40°C.
6-Disposal
1) Used batteries should not be disposed of in the household rubbish. Used Batteries
should be deposited at a collection point.
2) At the end of its life, the appliance should not be disposed of in household rubbish.
Enquire about the options for environment-friendly and appropriate disposal. Take local
regulations into account.
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File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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7-Warranty
Our company warrants Non Contact Infrared Body Thermometer at the time of its original
purchase and for the subsequence time period of one year.
The warranty does not cover the followings:
The device series number label is torn off or cannot be recognized.
Damage to the device resulting from misconnection with other devices.
Damage to the device resulting from accidents.
Changes performed by users without the prior written authorization of the company.
Batteries and packaging are not covered under warranty
When asked to provide warranty service, you must have a purchase date and purchase
stamp dealers (including dealers name and address) of the warranty card. Be sure to ask the
dealer to purchase this product signature on the warranty card. When asked to provide
warranty service, please put the product to get our distribution points for repair. Products
outside the warranty expires, will be charged accordingly.
Note:
1. If you have any problems with this device, such as setting up, maintaining or using,
please contact with SERVICE PERSONNEL of HeTaiDa Technology Co., Ltd. Don’t open or
repair the device by yourself.
2. Please report to HeTaiDa Technology Co., Ltd. if any unexpected operation or events
occur.
3. Calibration needed to ensure proper function for every two years or after device impact.
4. The patient is an intended operator. The patient can measure and change battery.
Under normal circumstances and maintain the device and its accessories according to the
user manual.
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File No.
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Rev. No.
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Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
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Guidance and manufacture’s declaration – electromagnetic emission
The Non Contact Infrared Body Thermometer is intended for use in the electromagnetic environment specified
below. The customer of the user of the Non Contact Infrared Body Thermometer should assure that it is used
in such an environment.
Emission test
Compliance
Electromagnetic environment – guidance
RF emissions
CISPR 11
Group 1
The Non Contact Infrared Body Thermometer use
RF energy only for its internal function. Therefore,
its RF emissions are very low and are not likely to
cause any interference in nearby electronic
equipment.
RF emission
CISPR 11
Class B
The Non Contact Infrared Body Thermometer is
suitable for use in all establishments, other than
domestic 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
EMC Declaration
1) This equipment needs to be installed and put into service in accordance with the information
provided in the ACCOMPANYING DOCUMENTS;
This product needs special precautions regarding EMC and needs to be installed and put into
service according to the EMC information provided, and this unit can be affected by portable
and mobile RF communications equipment.
2)* Caution: Do not use a mobile phone or other devices that emit electromagnetic fields, near
the unit. This may result in incorrect operation of the unit.
3) *Caution: This unit has been thoroughly tested and inspected to assure proper performance
and operation!
4) * Caution: this machine should not be used adjacent to or stacked with other equipment and
that if adjacent or stacked use is necessary, this machine should be observed to verify normal
operation in the configuration in which it will be used.
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Rev. No.
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Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Guidance and manufacture’s declaration – electromagnetic immunity
The Non Contact Infrared Body Thermometer is intended for use in the electromagnetic environment specified below. The
customer or the user of Non Contact Infrared Body Thermometer should assure that it is used in such an environment.
Immunity test
IEC 60601 test level
Compliance level
Electromagnetic environment -
guidance
Electrostatic discharge
(ESD)
IEC 61000-4-2
±6 kV contact
±15 kV air
±6 kV contact
±15 kV air
Floors should be wood, concrete or
ceramic tile. If floor are covered with
synthetic material, the relative
humidity should be at least 30%.
Electrical fast
transient/burst
IEC 61000-4-4
±2 kV for power supply
lines
±1 kV for input/output
lines
Not applicable
Mains power quality should be that of
a typical commercial or hospital
environment.
Surge
IEC 61000-4-5
± 1 kV line(s) to line(s)
± 2 kV line(s) to earth
Not applicable
Mains power quality should be that of
a typical commercial or hospital
environment.
Voltage dips, short
interruptions and
voltage variations on
power supply input
lines
IEC 61000-4-11
<5% UT
(>95% dip in UT)
for 0.5 cycle
40% UT
(60% dip in UT)
for 5 cycles
70% UT
(30% dip in UT)
for 25 cycles
<5% UT
(>95% dip in UT)
for 5 sec
Not applicable
Mains power quality should be that of
a typical commercial or hospital
environment. If the user of the Non
Contact Infrared Body Thermometer
requires continued operation during
power mains interruptions, it is
recommended that the Non Contact
Infrared Body Thermometer be
powered from an uninterruptible
power supply or a battery.
Power frequency
(50Hz/60Hz) magnetic
field IEC 61000-4-8
30A/m
30A/m
Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical
commercial or hospital environment.
NOTE UT is the a.c. mains voltage prior to application of the test level.
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Rev. No.
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Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
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Guidance and manufacture’s declaration – electromagnetic immunity
The Non Contact Infrared Body Thermometer is intended for use in the electromagnetic environment
specified below. The customer or the user ofthe Non Contact Infrared Body Thermometer should assure
that it is used in such an environment.
Immunity test
IEC 60601 test level
Compliance
level
Electromagnetic environment - guidance
Conducted RF
IEC 61000-4-6
3 V
rms
150 kHz to 80 MHz
Not applicable
Portable and mobile RF communications equipment
should be used no closer to any part of the Non
Contact Infrared Body Thermometer, including cables,
than the recommended separation distance calculated
from the equation applicable to the frequency of the
transmitter.
Recommended separation distance
Where P is the maximum output power rating of the
transmitter in watts (W) according to the transmitter
manufacturer and d is the recommended separation
distance in metres (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:
Radiated RF
IEC 61000-4-3
10V/m
80 MHz to 2.5 GHz
10 V/m
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 Non Contact Infrared Body
Thermometer is used exceeds the applicable RF compliance level above, the Non Contact Infrared Body
Thermometer should be observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as re-orienting or relocating the Non Contact Infrared Body Thermometer.
17
Page 18
Technical File
File No.
ZHTF-CE-01-015
Rev. No.
A.1
Non Contact Infrared Body
Thermometer
Instructions for use
Rev. Date
2020-6-8
Page
18 / 18
b Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 10 V/m.
Recommended separation distances between
portable and mobile RF communications equipment and the Non Contact Infrared Body Thermometer.
The Non Contact Infrared Body Thermometer is intended for use in an electromagnetic environment in which radiated
RF disturbances are controlled. The customer or the user of the Non Contact Infrared Body Thermometer can help
prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the Non Contact Infrared Body Thermometer as recommended below,
according to the maximum output power of the communications equipment.
Rated maximum output
power of transmitter
(W)
Separation distance according to frequency of transmitter
(m)
150 KHz to 80 MHz
80 MHz to 800 MHz
800 MHz to 2.5 GHz
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.2
1.2
2.3
10
3.8
3.8
7.3
100
12
12
23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in metres
(m) can be estimated using the equation applicable to the frequency of the transmitter, where P is 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.
18
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