Huawei WATCH D User manual
Quick Start Guide
Guide de démarrage rapide
Guía de inicio rápido
Panduan Permulaan Pantas
MLY-B10
MLY-B11
Manufacturer Name: Huawei Device Co., Ltd.
Manufacturer's registered address: No.2 of Xincheng Road, Songshan Lake Zone,
Dongguan, 523808 Guangdong, P.R.China
Issue Date: 2022-04
1
This device is a household product and is suitable for wrist blood pressure measurement for
adults aged 18 and above.
This device complies with IEC 80601-2-30.
[Warnings]
1. Do not diagnose or treat yourself based on the measurement results. Follow your doctor's
advice instead, because self-diagnosis may worsen the condition. Send your measurement
2. Do not use this device in areas containing high frequency (HF) surgical equipment, mag-
netic resonance imaging (MRI) equipment, and computerized tomography (CT) scanners.
This may result in incorrect operation of the device and/or cause an inaccurate reading.
3. Consult with your physician before using this device if you have common arrhythmias such
-
ment reading.
and blood diseases.
5. Do not use this monitor on infants, toddlers, children or persons who cannot express them-
selves.
6. This device has not been validated for use on pregnant patients.
7. Consult with your physician before using this device if you have had a mastectomy.
8. The following should use this product for blood pressure measurements under the guid-
0. Safe Use
Quick Start Guide
2
ance of a doctor:
Patients with limb shaking syndrome and people who cannot bend their arms by them-
selves.
People whose arms or wrists are having an infusion, blood transfusion, or a catheter
inserted.
Patients who are using monitoring medical equipment.
9.The parts of the product do not support repair and maintenance when it is in use.
10.The user must be an intended operator.
11.Keep the charging base (with the power cable) away from infants, toddlers or children to
avoid the risk of strangulation.
[Precautions]
1. This device supports a wrist circumference range of 13.0 cm to 20.0 cm for blood pres-
sure measurements. If the wrist circumference exceeds the range, the accuracy of blood
blood stasis or paralysis. In this case, remove the device.
4. Do not take blood pressure measurements too often as bruising may occur due to blood
interference capability may decrease.
3
6. This product may cause adverse events such as allergies. In this case, stop wearing it
and consult a doctor.
7. Ensure that the electromagnetic interference is no more than 3 V/m. Possible sources of
interference include microwaves and X-rays.
their arms or wrists.
9. The device may cause harm to people whose arms or wrists are having an infusion,
blood.
10. Use of this device may cause the temporary loss of function of the monitoring medical
electrical (ME) equipment used simultaneously on the same limb.
11. You can view the remaining power of the device on the device screen.
12. If the measured blood pressure is abnormal, you can take a measurement again 5
minutes later or consult your doctor.
13. The accuracy of the pressure sensor has been strictly tested, so you do not need to
check it. If you have any questions, please call the customer service hotline.
have any questions about it.
The validity period of this product is 3 years.
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1. Product Information
1. Intended Use
The Wrist Blood Pressure Monitor is a digital monitor intended for use in measuring blood
pressure and pulse rate in adult patient population with wrist circumference ranging from 13.0
to 20.0cm (5.12-7.87 inches).
1.2 Contraindications
Allergic reactions to this product.
1.3 Performance Indicators
Name Wrist Blood Pressure Monitor
Models MLY-B10, MLY-B11
Embedded Software Version Blood Pressure V1
Type of Protection Against Electric Shock Internal power supply
Degree of Protection Against Electric
Shock Type BF (Airbag, the bottom of the device)
Level of Protection Against Harmful Liq-
uids and Particles Entering Inside IP68 (Complies with the IP68 protection level of IEC
60529)
Level of Safety Against Flammable An-
Non-AP/APG type
Running Mode Continuous running
Power Supply Rechargeable Li-ion Polymer Battery
5
Battery Life Information Typical usage: 7 days
TM
-
-
times per day. The battery life depends on the usage
habits and storage environment.
Typical battery life: A new battery on a full charge will last
for approximately 500 cycles when operating at room
temperature (25°C).
Durable period (Service life)
clothings (spare): 0.5 years
Blood Pressure Measurement
Measuring Method
Measurement Range Pressure: 0–300 mmHg (0–40 kPa)
Pulse rate: 40–180 times/min
Diastolic blood pressure: 40–130 mmHg (5.3–17.3 kPa)
Systolic blood pressure: 60–230 mmHg (8–30.7 kPa)
Precision Error Pressure: ±3 mmHg (±0.4 kPa)
Pulse rate: ±5%
Automatic pressure pump
6
Measurable Wrist Circumference M-sized airbag: 13.0–16.0 cm/5.12–6.30 in
L-sized airbag: 16.1–20.0 cm/6.34–7.87 in
Please select the appropriate airbag according to your
measured wrist circumference.
2020. In the clinical validation study, K5 was used on 85 subjects for determination of diastolic blood
pressure.
For details, call the customer service hotline.
1.4 Structure Diagram and Packing List
Up button
Air inlet and outlet (located where
the body and the strap meet)
Down button (including the electrode)
Airbag
Strap
Cover button
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the label on the package.
Packing list:
Device (with an L-sized strap
and an L-sized airbag) x 1 M-sized airbag x 1 M-sized strap (without the clasp) x 1
Independent cover x 1 L-sized and M-sized airbag
clothings (spare) x 1
Wrist circumference ruler x 1
Quick Start Guide x 1 Wearing Guide x 1 Charging cradle (with the power
cable) x 1
Warranty Card x 1
2. Blood Pressure Measurement
2.1 Principles
This device measures blood pressure by using the oscillometric method. As the strap
(airbag) pressure increases, the device extracts and analyzes the signals of pressure
oscillations in the airbag using the pressure sensor, and automatically calculates the
high pressure (systolic pressure), low pressure (diastolic pressure), and pulse rate.
8
2.3 Measurement Requirements
Any blood
posture (standing, sitting, or lying down), movement, or physiological conditions.
To ensure the accuracy of the measurements, observe the following requirements:
Rest for 5 minutes before a measurement and keep your body naturally relaxed until the mea-
surement is complete. Do not perform the measurement when you feel emotional or stressed.
body or arms during the measurement.
Rest your wrist for 1 to 2 minutes or longer before you perform the next measurement. During
this period of time your arteries will return to how they were before the blood pressure was
measured.
2.2 Working Environment
Network Environment Bluetooth 4.2 or later
Temperature 5°C to 40°C
Humidity 10% RH to 95% RH (excluding condensation)
Atmospheric pressure 80 kPa to 105 kPa
Precautions
Keep the device away from electromagnetic interference, vibration, and noise.
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Measurement posture:
Keep the watch at
the same height
as your heart
Keep quiet and
avoid talking
the ground without
crossing them
Do not
press the
airbag
Support the elbow
Keep your
wrist and palm
stretched natu-
rally
Sit stably
and relax
your body
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