North-Vision Tech Wrist-100 User manual

User Manual for Wrist Oximeter
I
North-vision Wrist Pulse Oximeter
Wrist-100
User Manual
Version: 2 . 2
Issued by: Sara Lo Date: 5/11/2020
Reviewed by: Albert Huang Date: 5/11/2020
Document No: UM-WO1-201212-01
North-Vision Tech. Inc.
2460

User Manual for Wrist Oximeter
II
Instructions to User
Wrist Oximeter is a precision measuring device, please read
the manual very carefully before using this device. Failure
to follow these instructions may cause measuring
abnormality or damage to the oximeter.
The Manualis published in English and we have the ultimate
right to explain the Manual. No part of this manual may be
photocopied, reproduced or translated into another language
without the prior written consent. North-vision Tech. Inc.
reserves the right to improve and amend it at any time
without prior notice.

User Manual for Wrist Oximeter
III
Notes
⚫The contents contained in this manual are subject to
change without prior notice.
⚫Information furnished by our company is believed to be
accurate and reliable. However, no responsibility is
assumed by us for its use, or any infringements of
patents or other rights of third parties that may result
from its use.
Instructions for Safe Operations
Check the device to make sure that there is no visible
damage that may affect user’s safety and measurement
performance. When there is obvious damage, stop
using thedevice.
Necessary servicing must be performed by qualified
service engineers ONLY. Users are not permitted to
maintain it by themselves.
The oximeter cannot be used together with the devices
not specified in User Manual.
Cautions
Explosive hazard—DO NOT use the oximeter in
environment with inflammable gas such as some
ignitable anesthetic agents.
DO NOT use the oximeter while the testee is under
MRI or CT scanning.

User Manual for Wrist Oximeter
IV
Warnings
For individual patients, there should be a more prudent
inspecting in the placing process. The device cannot
be clipped on the edema and tender tissue.
The light (the infrared light is invisible) emitted from
the sensor is harmful to the eyes, so the user or even
the service engineer should not stare at the light
emitting components.
To dispose the device, the local law should be
followed.
Attentions
Keep the oximeter away from dust, vibration, corrosive
substances, explosive materials, high temperature and
moisture.
The device should be kept out of the reach of children.
If the oximeter gets wet, please stop operating it.
When it is carried from cold environment to warm and
humid environment, please do not use it immediately.
DO NOT operate the button on front panel with sharp
materials.

User Manual for Wrist Oximeter
V
High temperature or high pressure steam disinfection
to the oximeter is not permitted. Refer to related chapter
for instructions of cleaning and disinfection.
Declaration of Conformity:
The manufacturer hereby declares that this device complies
with the following standards:
IEC 60601-1
ISO 80601-2-61
and follows the provisions of the council directive
MDD93/42/EEC.

User Manual for Wrist Oximeter
VI
Contents
1OVERVIEW...............................................................1
1.1Appearance.............................................................1
1.2 Name and Model. ...................................................3
1.3 Conformation. ........................................................4
1.4 Features..................................................................4
1.5 Intended Use...........................................................5
1.6 Key of Symbols......................................................6
2BATTERYINSTALLATION....................................7
3OPERATION..............................................................8
3.1 Taking Measurement..............................................8
3.2 Menu Operation....................................................18
3.2.1TREND REVIEW..........................................19
3.2.2 DELETE DATA ..............................................20
3.2.3 OVER-LIMIT INDICATION SETTINGS…..20
3.2.4 TIME SETTINGS.........................................22
3.2.5 RECORD INTERVAL SETTINGS………….23
3.3 Upload Data..........................................................25
3.4 Low Battery Indication.........................................25

User Manual for Wrist Oximeter
VII
4ADDITIONAL ADVICEFOR OPERATION. .......26
5TECHNICAL SPECIFICATIONS..........................27
6ACCESSORIES........................................................30
7REPAIR AND MAINTENANCE..............................31
7.1 Maintenance.........................................................31
7.2 Cleaning and Disinfecting Instruction……………33
8TROUBLESHOOTING...........................................34
9APPENDIX...............................................................36
A Common Knowledge forSpO2 Measurement...36
B Wristband Installationand Disassembly………40

-1-
User Manual for Wrist Oximeter
1Overview
1.1 Appearance
Figure 1 Front View
1. LCDscreen
2. Set Key “ ■ ”: shift display modes, confirm the
operation etc.
3. Scroll Key“ ▲ ”: Short Press to move display cursor,
modify parameter valuesetc.
Long Press to choose display always on or not which
will be effective during measurement.

-2-
User Manual for Wrist Oximeter
Figure 2 Frontal Side View
4. Buzzer
5. Data interface
6. WristbandUnderlay
Figure 3 Right Side View
7. SpO2 probereceptacle

-3-
User Manual for Wrist Oximeter
1.2 Name and Model
Name: “North-vision” Wrist Pulse Oximeter
Model: Wrist-100

-4-
User Manual for Wrist Oximeter
1.3 Conformation
It comprises the main unit and SpO2 probe.
1.4 Features
Wrist Oximeter can be used to measure and record the
functional oxygen saturation (SpO2) and pulse rate
accurately. Simply put your finger into sensor, SpO2 value
and pulse rate value will be displayed on screen and stored
in the device.
● It is light weight, small in size and easy tocarry;
● Color OLEDdisplay;
● Perfusion index (PI) display isavailable;
●
Automatic starts to measure SpO2 and Pulse
Rate (PR);
● Real-time clock display andsetting;
● Over-limit alert by audible beep, visible display and
vibration of the oximeter, the over limits can be
adjustable;
●
It is convenient for you to measure SpO2 and pulse
rate in long-term while sleeping or at other daily
activity.

-5-
User Manual for Wrist Oximeter
● Recording interval can be selected, up to 480 hours
data memory;
● Applicable for longtime continuousmeasurement;
●
PR trend curve and SpO2 trend curveview;
● Data storage and transmission to PC for viewand
analysis (Optional);
1.5 Intended Use
The Wrist Oximeter is intended to use in hospital,
other medical community and at home. It is available
and convenient for you to monitor SpO2 in long-term
while sleeping or at other daily activity
simultaneously. The device is used for all groups
including infant/neonate, pediatric/child and adult,
but it needs to select appropriate type of sensor to fit
different age of user.
1.6 Working Environment
Operating temperature: 5~40℃
Operating humidity: 15~93%
Atmospheric pressure: 700hPa~1060hPa

-6-
User Manual for Wrist Oximeter
1.7 Key of Symbols
Symbol
Description
%SpO2
Pulse Oxygen Saturation
PI%
Perfusion Index
PR
Pulse Rate
USB interface
Pulse rate icon
Low battery voltage
icon for display always on
Full memory icon
Serial number
Date of manufacture
Authorized representative in the
European community
Manufacturer (including address)
With Type BF applied part
Warning ─ See User Manual
Disposal of this device according to
WEEE regulations

-7-
User Manual for Wrist Oximeter
2Battery Installation
Figure 4 Battery Installation
1. Lift up the cloth covered on the battery cover. Then, use
your index finger and middle finger to press against the
battery cover. Meanwhile, slide it towards the side with
SpO2 probe (as shown in Figure 4).
2. Refer to Figure 4, insert two AAA size batteries into the
battery compartment properly in the rightdirection.
3. Replace thecover.
Please take care when you insert the batteries, as the
improper insertion may make the device notwork.
Remark: After finishing battery installation, the oximeter
will automatically power on and display software version
number firstly.

-8-
User Manual for Wrist Oximeter
3Operation
NOTE for key button operation:
Long pressing: press a key down more than 1 second.
Short pressing: press a key down then let it go
immediately (less than 1 second).
The following methods can activate the
device while it is in standby status:
1. Short press Set Key “■”to activate the screen display.
2. Insert finger into the probe to activate the measurement
and screen displayautomatically.
3. When USB data cable is connected between the device
and PC, it will enter data uploadingmode.
NOTE : If the calendar clock time has not been set, the
device will enter the Time Settings screen while it powers
up.
The device will enter standby status automatically if there is
no key-press and no measuring signal in 20 seconds. That is
the only way to turn it off (i.e. at standbystatus).
3.1 Taking Measurement
1. Insert the SpO2 probe connector into the SpO2 probe
receptacle on the deviceproperly.

-9-
User Manual for Wrist Oximeter
Figure 5 SpO2 Probe Connection
2. Fix the oximeter on your left wrist (Figure6);
3. Then, hold the probe with its opening towards your index
finger. The probe should be oriented in such a way that the
sensor side with a finger tip icon is positioned on the top
(Figure 6).
Figure 6 Placement Illustration
4. Next, insert your index finger into the probe until the
fingernail tip rests against the stop at the end of the probe
Finger tipsign

-10-
User Manual for Wrist Oximeter
(Figure 7). Adjust the finger to be placed evenly on the
middle baseof the sensor (make sure the finger is in the right
position). If the index finger cannot be positioned correctly,
or is not available, other finger can be used.
Figure 7
Wrong Placement of the Probe:
Finger out Not deep enough
Figure 8
5. The oximeter will automatically start measurement in 2
seconds. Then the default screen will be displayed (Figure
9A). User can read the values and view the waveform from
the display screen.

-11-
User Manual for Wrist Oximeter
Figure 9A Default Screen Display
“%SpO2”: SpO2 label; “99”: SpO2 value;
“PR”: Pulse rate label; “65”: Pulse rate value;
“”: Pulse beat icon;
“”: Battery indicator;
“”: Pulsation bar-graph;
The displayed waveform is plethysmogram.
Key Operations:
● Short press “ ■ ” key to switch display modes
circularly, display screen will be switched among the
three measurescreens displays as shown in Figure 9A,
Figure 9C and Figure 9D.
● Long press “ ▲ ” key: choose display always on or
not which will be effective during measurement. If

-12-
User Manual for Wrist Oximeter
you choose display always on, the icon (“ ”) for
“display always on” will appear on the screen as
shown in Figure 9B.
● Short press “▲” key during measurement, the screen
display direction can flip 180°.
Figure 9B “Display Always On” is enabled
“”: Icon for display always on, it indicates that the
screen display is always on during measurement. If
the icon is disappeared, it indicates that the screen
display will be off after a period of displaying time
during measurement for powersaving.

-13-
User Manual for Wrist Oximeter
Figure 9C