iHealth PT3 Infrared No-Touch Forehead Thermometer User Manual

iHealth PT3 Infrared No-Touch Forehead Thermometer

Model: PT3; Version 1.0
User’s Manual

iHealth Thermometer

This product is a high-tech infra-red(IR) thermometer designed to take human body temperature by measuring the energy of IR emitted from the forehead. The product helps you to access you and your family members’ health conditions easily and quickly

CAUTION

(1) Measurements

1. Thermometer readings should be regarded as a reference. Do no attempt self-diagnostics or self-treatment using the temperature readings. Please seek professional medical advice when necessary.

2. There is no absolute standard for human body temperature. Knowing your own normal body temperature range is important to accurately determine if you have a fever.

3. Make sure that the forehead of the subject is free from sweat, cosmetics, dirt, or grease before measuring.

4. Patients should not drink, eat, or be physically active before/while taking a reading. Wait 30 minutes before taking a measurement. Temperature readings taken when a body is in a state of stable equilibrium is more accurate and useful as a reference.

5. Do not take temperature measurement over scar tissue, open sores or abrasions.

6. Do not measure body temperature from scar tissues on the forehead as such tissues will affect temperature conduction of the body.

7. If there is a temperature difference between the thermometer storage area and the new ambient environment around the forehead, please let the thermometer sit within the new environment for 30 minutes before taking the measurement.

8. Do not measure body temperature immediately after consuming a drug that raises body temperature. Temperature readings taken at this time will not be accurate.

9. It is normal for readings taken from continuous measurement to fluctuate within a small range. During continuous measurements, the subject’s body temperature may be transmitted to the thermometer, affecting measurement accuracy. We recommend taking only up to 3 continuous readings within a short period.

10. Do not directly face the sun or an air outlet of an air conditioning or radiator device during the measurement as this will cause changes to the forehead temperature. Measurements should be taken in a stable environment where possible.

11. Do not measure body temperature in an environment with strong EM interference (examples include places close to a working microwave, induction cooker, or cellphone in-use) as EM interference may cause errors in the reading or even device failure.

12. This product should be considered a personal device. Clean and sanitize the product properly to prevent cross-contamination.

13. To clean a dirty thermometer probe, gently swipe the probe using a cotton swab dipped in 75% alcohol. Let the cleaned thermometer sit for at least 15 minutes before taking more measurements.

14. This infrared thermometer meets requirements established in ASTM Standard (E1965-98) Except of clause 5.2.2. It displays subject’s temperature over a range of 89.6°F-109.2°F.

(2) About the product

1. This product is a precision device. Return the product to its original packaging for proper storage after use. To ensure accurate measurements, avoid the device or probe contacting any liquid or droplets. Avoid tiny particles (such as dust or powder) falling into the probe.

2. Avoid dropping or subjecting the product to external forces.
   Do not disassemble or re-assemble the product on your own.

3. Do not directly touch the probe with your fingers or blow on it. Measurements taken using a damaged or dirty IR probe may be inaccurate.

4. Keep the product at a place inaccessible to children to prevent children from swallowing the batteries or small parts.

5. Do not throw the thermometer or batteries into the fire to prevent explosions.

6. Remove the batteries from the thermometer if the device will not be used for more than one month.

7. If you are allergic to plastic/rubber, please don’t use this device.

8. The materials (ABS, TPU, metal) of expecting contact with the patient had passed the ISO 10993-5 and ISO 10993-10 standards test, no toxicity, allergy and irritation reaction. They are in compliance with the MDD requirements. Based on the current science and technology, other potential allergic reactions are unknown.

Overall Description

The thermometer is mainly comprised of a plastic casing, IR temperature sensor, MCU, vibration motor, LED display screen and batteries.

LED Screen Instructions

Device dimensions: 5.39 in x 1.34 in x 1.54 in
Screen dimensions: 1.01 in x 0.75 in
Product weight: 90 g

Product Performance

1. Measurement position: Centre of the forehead surface
2. Measurement distance: 1.18in(3 cm)
3. Power source: DC 3V; 2 x 1.5V AAA batteries
4. Measurement range: 89.6℉-109.2℉(32℃-42.9℃)
5. Measurement precision: ±0.4℉ within 95℉-107.6℉,
and±0.5℉ for other temperature ranges.
6. Resolution: 0.1℉
7. Clinical reproducibility: Within ±0.5℉
8. Operating conditions:
Temperature: 59℉-104℉(15℃-40℃)
Humidity: 15-85%RH, non-condensing
Atmospheric Pressure: 70~106kPa
9. Operation mode:
Adjusted mode: forehead
Direct mode: surface mode
10. Expected service life: 2 years
11. Reference Body Site: Oral
12. Software version: V1.0

ASTM laboratory accuracy requirements in the display range of 98°F to 102°F(37℃) for IR thermometers is ±0.4°F(±0.2℃), whereas for mercury in-glass and electronic thermometers, the requirement per ASTM Standards E667-86 and E1112-86 is ±0.2°F(±0.1℃).

Expected use and scope of applications

This product mainly uses IR temperature sensing of the forehead to measure human body temperature. Can be used for babies, children, and adults. Babies and children should not operate the thermometer on their own. Body temperature readings for babies and children should be taken by an adult. Reminder: Temperature readings may differ according to skin tone and measurement distance.

Contraindications

It is not recommended for people whose measuring part has local lesions, such as inflammation, trauma, postoperative, etc.

Instruction For Use

The patient is an intended operator. The patient can measure, transmit data and change battery.

(1) Installing the product

Insert the 2 battery cells from the packaging box into the battery compartment at the back of the device. The product will start automatic inspection and a standby mode (if the device indicates low battery power, then replace the batteries to ensure ample power supply).

(2) Measurement process

1. Aim the thermometer probe at the center of the forehead and keep the probe 1.18in (3cm) away from the forehead (the optimal distance is about the width of an adult’s index finger). Do not touch the forehead with the probe.

2. Gently press the measurement button [ ] to start the measurement.

3. The device will vibrate once a reading is obtained. The reading will be displayed on the screen. If the measurement is failed, the device will not vibrate the screen but display [ — 0F ] instead.

Possible reasons for measurement errors include:

A. Measurement distance is greater than 1.18in (3cm);
B. Environment temperature does not meet measurement requirements or there is an excessively large temperature difference;
C. Target temperature exceeds measurement range.

(3) Power off

If no more measuring is required, simply let the device sit idle for 8 seconds to power off automatically.

(4) Unit switching

1. When the device is powered OFF, press and hold the measurement button for 8 seconds to enter unit switching mode. Under this mode, both ℃ and °F should flash at the same time.
2. Under this mode, press the measurement button to switch to Fahrenheit or Celsius. The corresponding symbol of the selected unit after switching will ash.
3. After selecting the unit, press and hold the measurement button for 8 seconds to leave the unit switching mode.

Reminder : If you do not press and hold the measurement button for 8 seconds to confirm the unit selected before the screen switches off, the system will consider the switch as a failure and retain the original unit for temperature measurements.

(5) Installing and replacing batteries

When switched ON for use, the thermometer will automatically detect remaining battery capacity. If battery capacity is low but adequate for measurements, the low power symbol [ ] will be displayed with the measurement results. However, if the battery capacity is too low for measurements, the screen will display a single, flashing [ ] icon and automatically switch OFF after 8 seconds. To continue using the device, old batteries must be replaced.

(6) Replacing batteries

1. Press down and hold the battery cover with the finger and apply some force to slide the cover backwards to open the battery compartment.
2. Remove the old batteries and install the new batteries.
3. Refer to the battery polarity symbols to orient the batteries properly during installation. Make sure that the new batteries are tightly inserted into the battery compartment and make sure that the polarity is not reversed during installation.
4. Return the battery cover to close the battery compartment.

• Comply with relevant national laws and regulations when disposing of the used batteries.
• Do not dispose of batteries directly into the trash bag.
• Remove the batteries if the device will not be used more than one month.
• When using, shall not touch battery and the patient simultaneously.
• Do not throw batteries into fire.
• The typical service life of the new and unused batteries is 300 measurements for the operation time is 60s.

Product errors and troubleshooting

Body temperature

• Body temperature varies from person to person and fluctuates during the course of the day. For this reason, it is suggested to know one’s normal, healthy forehead temperature to correctly determine the temperature.
• Body temperature runs approximately from 95.9°F to100°F (35.5℃-37.8℃). To determine if one has a fever, compare the temperature detected with the person’s normal temperature. A rise over the reference body temperature of 1°F(1℃) or more is generally an indication of fever.
• Different measurement sites(rectal, axillary, oral, frontal, auricular) will give different readings. Therefore it is wrong to compare the measurement taken from different sites.

The following are typical temperatures for adults, based on different measurement sites:

Care and Cleaning

1. The probe (comprising a temperature sensor and a distance sensor) is the most intricate part of the thermometer, and should be kept clean and intact to acquire accurate readings.
Use the following method to clean the probe:
Gently swab the surface of the probe using a cotton bud soaked in > 75% medical alcohol.
2. If the probe (sensor) is broken, please contact customer services.
3. Use a piece of soft, dry cloth to clean the display screen and external surface of the thermometer. If the thermometer is very dirty, the cloth can be moistened with some medical alcohol to clean the device.
4. The product is not waterproof. Do not clean the device with detergents. Do not soak the thermometer in water or other liquids.

Maintenance

1. This company has not authorized any agency or individual to carry out product repairs or maintenance. Do not attempt to disassemble or modify the thermometer if you suspect functional issues with the device.
2. The IR thermometer is an extremely precise instrument. Any improper maintenance, disassembly, or modification may lead to inaccuracies of the product measurements.
3. If you suspect any product issues during the warranty period, please contact customer services for subsequent handling.

Disposal

Dispose of the battery in accordance with the regulation applicable at the place of operation.
Dispose of at public collection point in the EU countries – 2002/96/EC WEEE Directive.
If you have any queries, please refer to the local authorities responsible for waste disposal.

Notes

• Please act according to local laws for disposal of used batteries.
• Take out the battery if you are not going to use the unit for a long time.

To protect the environment, dispose of empty batteries at appropriate collection sites according to national or local regulations.
Dispose of at public collection point in the EU countries – 2006/66/EC Directive.

Operating, shipping, and storage conditions

(1) Operating conditions

Range of operating environments
Temperature: 59℉-104℉（15℃- 40℃)
Humidity: 15-85%RH，non-condensing
Atmospheric Pressure: 70kPa~106kPa

( 2) Transportation / storage conditions

Main Unit: -4℉~131℉（-20℃~ 55℃）
Humidity: 15-95%RH, non-condensing
Atmospheric Pressure: 70kPa~106kPa

Accessories

Use only accessories provided by the original manufacturer, and check for any missing accessories.

• 1 IR Thermometer: 2 AAA batteries
• 1 Instruction manual: 1 Quick user guide

Standard icons

Calibration

The thermometer is initially calibrated at the time of manufacture. If this thermometer is used according to the use instruction, periodic re-adjustment is not required. If any time your question the accuracy of measurement, please contact distributor or manufacturer, the contact information is on the last page.

Storage

1. Do not put the thermometer under direct sunlight, high temperature, or moist environments. Do not allow it to come into contact with fire or harsh vibrations.
2. Take out the battery if the device is not used for a long period of time.

Electromagnetic Compatibility (EMC) Tables

Guidance and manufacturer’s declaration – electromagnetic emissions

The PT3 device is intended for use in the electromagnetic environment speci ed below.The customer or the user of the PT3 should assure that it is used in such an environment.
Emissions test| Compliance| Electromagnetic environment -guidance
RF emissions CISPR11| Group 2| The PT3 device must emit electromagnetic energy in order to perform its intended function. Nearby electronic equipment maybe a ected.
RF emissions CISPR11| Class B| The PT3 device 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 lEC61000-3-2| Not applicable
 uctuations/  ickeremissions lEC61000-3-3| Not applicable
Guidance and manufacturer’s declaration —electromagnetic immunity

The PT3 device is intended for use in the electromagnetic environment speci ed below.The customer or the user of the PT3 should assure that it is used in such an environment.
Immunity test| IEC 60601 Test level| Compliance level| Electromagnetic environment – guidance
Electrostatic discharge(ESD)
lEC61000-4-2| ±6kV contact
±8kV air| ±6kV contact
±8kV air| Floors should be wood , concrete or ceramic tile.
If  oors are covered with synthetic material,the relative humidity should be at least 30%.

Guidance and – manufacturer’s declaration.
Electromagnetic immunity

The PT3 device is intended for use in the electromagnetic environment speci ed below. The customer or the user of the PT3 should assure that it is used in such an environment.
Immunity test| IEC 60501
Test level| Compliance
level| Electromagnetic environment – guidance
ConductedRF
lEC6 1000-4-6
Radiated RF lEC
61000-4-3| 3V rms
150 kHzto
80 MHz
3V rms
3V/m
3V/m
80 MHz to
2.5 GHz| ±6kV
contact
±8k Vair| Portable and mobile RF communications equipment should be used no closer to any part of the PT3 device, than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter.
Recommended separation  istance.
d=1.2 p
d=1.2 p 80MHz―800MHz
d=1.2 p 800MHz―2.5GHz
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 meters(m). Field strengths from  xed 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 I At 80 MHz end 800 MHz. the higher frequency range applies.
NOTE2 These guidelines may not apply in all situations.
Electromagnetic propagation is a ected by absorption and re ection from structures, objects and people.
a. Field strengths from  xed 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  xed RF transmitters, an electromagnetic site survey should be considered. If the measured  eld strength in the location in which the PT3 device is used exceeds the applicable RF compliance level above, the should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the PT3.
b. Over the frequency range 150 kHz to 80 MHz,  eld strengths should be less than [Vi] V/m.

Recommended separation distances between portable and mobile RF communications equipment and the PT3 device.

PT3 device is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the PT3 device can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the PT3 as recommended below, according to the maximum output power of the communication sequipment.
Rated maximum output power of transmitter W| Separation distance according to frequency of transmitter m
Electrostatic
discharge(ESD)
lEC61000-4-2| 150kHz to
80MHz
d=1.2 p| 80MHz to
800MHz
d=1.2 p| 800MHz to
2,5GHz
d=2.3 p
0.01| 0.12| 0.12| 0.23
0.1| 0.38| 0.38| 0.73
1| 1.2| 1.2| 2.3
10| 7.8| 7.8| 3.3
100| 12| 12| 23

For transmitters rated at a maximum output power not listed above, recommended separation distance d in meters(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) accordable to the transmitter manufacturer.
NOTE1: At 80 MHz and 800 MHz. the separation distance for the higher frequency range applies.
NOTE2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people.

WARRANTY

Please contact your dealer or the device center in case of a claim under the warranty. If you have to send in the unit, enclose a copy of your receipt with clear statement of defect description.
The warranty terms as below:

1. The warranty period for device is one year from date of delivery. In case of a warranty claim, the date of delivery has to be proven by means of the sales receipt or invoice.
2. Repairs under warranty do not extend the warranty period.
3. The following cases are excluded under the warranty

• All damage which has arisen due to improper treatment, e.g. nonobservance of the user instruction.
• All damage which is due to repairs or tampering by the customer or unauthorized third parities.
• Damage which has arisen during transport from the manufacturer to the consumer or during transport to the service centre.
• Accessories which are subject to normal wear and tear.

4. Liability for direct or indirect consequential losses caused by the unit is excluded even if the damage to the unit is accepted as a warranty claim.

Manufactured for iHealth Labs, Inc.

USA:
iHealth Labs, Inc.
www.ihealthlabs.com
120 San Lucar Ct., Sunnyvale, CA 94086, USA
+1-855-816-7705

Europe:
iHealthLabs Europe SAS
www.ihealthlabs.eu
36 rue de Ponthieu, 75008, Paris, France

iHealthLabs Europe SAS
www.ihealthlabs.eu
36 rue de Ponthieu, 75008, Paris, France

Famidoc Technology Co., Ltd.
No. 212 Yilong Road, Hexi Industrial Zone,
Jinxia, Changan Town, Dongguan 523853,
Guangdong Province, China

FAQs

__Caution- Avoid testing in these situations – iHealth® Official Site

for Personal Health Management

Make sure you use the thermometer correctly each time, in these situations below, you should wait for 30 minutes before testing:

1. User and the thermometer should be in the same ambient temperature for at least 30 minutes
2. After using fever a cooling patch or ice bag to cool down, please dry the forehead and stay calm around 30 minutes.
3. Make sure the forehead of the subject is free from sweat, cosmetics, dirt, or grease before measuring.
4. Do not measure body temperature from scar tissues on the forehead as such tissues will affect temperature conduction of the body.
5. To make sure your hair will not affect the measurement, you should expose your forehead to the ambient temperature for around 30 minutes.
6. If there is a temperature difference between the thermometer storage area and the new ambient environment around the subject, please let the thermometer sit within the new environment for 30 minutes before taking the measurement.
7. Do not measure body temperature immediately after consuming a drug that raises body temperature. Temperature readings taken ta this time will not be accurate.

__Product composition – iHealth® Official Site for Personal Health

Management

Product Materials:

Shell : Plastic ; IR Thermopile sensor ; Distance Sensor; MCU; Electroacoustic component ; Vibration motor ; Batteries ; LED Screen; Back light ; TPE Probe

__Product Feature PT3 – iHealth® Official Site for Personal Health

Management

iHealth PT3 thermometer is a high-tech infra-red (IR) thermometer designed to take human body temperature by measuring the energy of IR emitted from the forehead.

One of the highlights of this product is 1-Second Testing. Compared with digital pen-like thermometer, it needs less test time , easy-to-use and does not disturb (no fuss). It’s quite convenient for those people who want to know their body temperature in a short time and quite easy to test baby temperature.

__**Accurate Measurement with Built-in Advanced Thermopile Sensor**

iHealth Non-Contact Forehead Thermometer measures thermal radiation from the surface of the human body.  Pressing the button begins data collection for 100 tests completed within 1 second  and processed by an algorithm that ensures accurate temperature readings.

Higher Accuracy with Built-In Distance and Environmental Temperature Sensors with Compensation Ability

iHealth Non-Contact Forehead Thermometer senses the real-time variations in environmental temperature to reduce the impact and compensates to ensure measurement accuracy. This thermometer will not take a reading if the distance between the probe and the forehead is greater than 1.18 in (3cm) to prevent errors.

Extremely easy to use

One button, 1-second testing, only 3 steps (Aim, press and display result)

Undisturbed measurement design

To ensure undisturbed measurement, we use this 1.18 in measurement distance no-touch design, and the thermometer vibrates silently once the reading is complete.

Clear Display

The LED backlight display, screen size: 1.01 in x 0.75 in large display, easy to read in day and night. The light is not bright and will not disturb the sleeping baby. Auto power-off after 8 seconds without operation.

__How to use PT3 thermometer – iHealth® Official Site for Personal

Health Management

Step-1

Aim the thermometer probe at the center of the forehead from less than 1.18 in (3cm) away.

Step-2

Gently press the measurement button to begin the test.

Step-3

The thermometer vibrates noiselessly once the reading is complete.

__Measuring Position of iHealth PT3 Thermometer – iHealth® Official

Site for Personal Health Management

Not all of the forehead surface is appropriate for measurement. Because the distribution of subcutaneous vessels is different from place to place, we recommend the center of the forehead surface for the correct measurement position for iHealth PT3. All of the results measured from other parts of the forehead may not be accurate.

iHealth thermometer PT3

Measurement position:  center of the forehead surface

Keep the probe 1.18 in (3cm) away from the forehead. (the optimal distance is about the width of an adult’s index finger)

__Measurement Range of iHealth PT3 Thermometer – iHealth® Official Site

for Personal Health Management

iHealth thermometer is only designed to test the human body temperature with the measurement position as the center of the forehead surface. It is not designed to measure objects and ambient temperatures.

__Is it safe to measure kid’s body temperature? – iHealth® Official

Site for Personal Health Management

YES. iHealth PT3 is not harmful to children or adults, it only measures infrared light, it doesn’t produce infrared.

Keep the thermometer out of the reach of children. For accidental swallowing of the battery or other components, please contact emergency services immediately.

__Product Size and Convenience of iHealth PT3 Thermometer – iHealth®

Official Site for Personal Health Management

Device Dimensions: 5.39 in x 1.34 in x 1.54 in

Digit size: 1.01 in x 0.75 in

With batteries only around 3.17 ounce (90g)

Very easy to carry and fast testing in 1 second.

Troubleshooting

__Big changes in continuous measurements – iHealth® Official Site for

Personal Health Management

• Please make sure you are not in a high electromagnetic radiation environment like close to cell phones or functioning microwave.
• Please make sure that the forehead is free from sweat or moisture. Do not measure when sweating, please keep skin dry for 30 minutes before measuring.

__Possible reasons for invalid measurement – iHealth® Official Site for

Personal Health Management

This screen means this measurement is invalid.

Possible reasons for measurement errors include:

1. Measurement distance is greater than 1.18in (3cm);
2. Target temperature exceeds the measurement range.

__Cannot power off – iHealth® Official Site for Personal Health

Management

There is no power off button on iHealth PT3 thermometer, one button for iHealth PT3 thermometer for easy using. If no more measuring is required simply let the device sit idle for 8 seconds to power off automatically

__Unit switching – iHealth® Official Site for Personal Health

Management

1. When the device is powered off, press and hold the measurement button for 8 seconds to enter unit switching mode. Under this mode, both Fahrenheit and Celsius should flash at the same time.
2. Under this mode, press the measurement button to switch to Fahrenheit or Celsius. The corresponding symbol of the selected unit after switching will flash.
3. After selecting the unit, press and hold the measurement button for 8 seconds to leave the unit switching mode.

__Why the test result differ from the previous test results – iHealth®

Official Site for Personal Health Management

• Make sure the forehead of the subject is free from sweat, cosmetics, dirt, or grease before measuring.
• User and the thermometer should be in the same ambient temperature for at least 30 minutes.
• Always hold the thermometer when taking a reading. Do not move the thermometer until you feel the final vibration.
• Don’t take a measurement while or immediately after nursing a baby.
• Users should not drink, eat, or be physically active before/while taking the measurement.
• Remove hats and wait 30 minutes before taking a measurement.
• Before taking a measurement, remove dirt or hair from the forehead area. Wait 30 minutes after cleaning before taking a measurement.
• Always take the temperature exactly as directed. Temperature results may vary if positioned in the wrong location.

__Why my test result are lower than the temperature tested from other

body sites – iHealth® Official Site for Personal Health Management

Medical research hasn’t determined an exact correlation between oral, rectal, ear, armpit, and forehead temperature measurements. Generally, the correlation of temperature results are as follows:

• The average normal oral temperature is 98.6°F (37°C).
• A rectal temperature is 0.5°F (0.3°C) to 1°F (0.6°C) higher than an oral temperature.
• An ear (tympanic) temperature is 0.5°F (0.3°C) to 1°F (0.6°C) higher than an oral temperature.
• An armpit (axillary) temperature is usually 0.5°F (0.3°C) to 1°F (0.6°C) lower than an oral temperature.
• A forehead (temporal) scanner is usually 0.5°F (0.3°C) to 1°F (0.6°C) lower than an oral temperature.

Information Sources:

https://www.mottchildren.org/health-library/tw9223

The reference body site of PT3 is oral. Please compare with oral temperature from the testing result. Ear and rectal temperatures are normally higher than oral and forehead temperatures.

When people develop a fever, the heat conduction will take time to arrive at the forehead, there is a time gap. Suggest measuring every 5 minutes until the temperature stabilizes.

__Why my body temperature changed day and night? – iHealth® Official

Site for Personal Health Management

Your temperature doesn’t stay same all day, and it will vary throughout your lifetime, too. Some things that cause your temperature to move around during the day include:

• How active you are

• What time of day it is

• Your age

• Your sex

• What you’ve eaten or had to drink

• (If you’re a woman) where you are in your menstrual cycle.

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iHealth PT3 Infrared No-Touch Forehead Thermometer :

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