Charder MS7301 User manual

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USER MANUAL
MS7301
Stand-on Floor Scale
Please keep the instruction manual at hand all the time for future reference.

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Explanation of Graphic Symbols on Label/Packaging
Caution, consult
accompanying documents
before use
Separate collection for
waste of electrical and
electronic equipment,
in accordance with
Directive 2002/96/EC
Manufacturer of medical
device
Manufacturing year of
medical device
Carefully read user manual
before installation and
usage, and follow
instructions for use.
Medical electrical
equipment with Type B
applied part
Device catalogue number
Authorized
representative in the
European Community
Manufacturer's batch or lot
number
Device is a medical
device
Serial number
Unique Device Identifier

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Copyright Notice
Charder Electronic Co., Ltd.
No.103, Guozhong Rd., Dali Dist., Taichung City 41262 Taiwan
Tel: [phone]
Fax: [phone]
Website: www.chardermedical.com E-mail: [e-mail]
Copyright© Charder Electronic Co., Ltd. All rights reserved.
This user manual is protected by international copyright law. All content
is licensed, and usage is subject to written authorization from Charder
Electronic Co., Ltd. (hereinafter Charder) Charder is not liable for any
damage caused by a failure to adhere to requirements stated in this
manual. Charder reserves the right to correct misprints in the manual
without prior notice, and modify the exterior of the device for quality
purposes without customer consent.

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CONTENTS
I. Safety Notes .......................................................................... 5
A. General Information ............................................................ 5
II. Quick Guide .......................................................................... 7
A. Contents............................................................................ 7
B. Inserting batteries .............................................................. 7
C. Unit Selection (kg/lb) .......................................................... 7
III. Using Device ....................................................................... 8
A. Before first use of device (self-calibration) ............................. 8
B. Usage guidelines................................................................. 8
IV. Troubleshooting................................................................... 9
V. Product Specifications ..........................................................10

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I. Safety Notes
A. General Information
Thank you for choosing this Charder Medical device. It is designed to be
easy and straightforward to operate, but if you encounter any problems
not addressed in this manual, please contact your local Charder service
partner.
Before beginning operation of the device, please read this user manual
carefully, and keep it in a safe place for reference. It contains important
instructions regarding installation, proper usage, and maintenance.
Intended Use
This device is intended to measure the weight of subjects who can stand
unassisted, for diagnosis of weight-related issues by professionals.
General Handling
Device should be placed on stable, flat, solid, non-slippery surface.
Usage on soft surfaces (ex: carpet) may result in inaccurate results.
Ensure all parts are properly locked and tightened before operating
the device.
Device is intended to measure one subject at a time.
Safety Instructions
Batteries should be kept away from children. If swallowed, promptly
seek medical assistance.
Expected service life: 5 years.
Always comply with appropriate regulations when using electrical
components under increased safety requirements.
The device is intended for indoor use only.
Observe permissible ambient temperatures for use
Environmental
All batteries contain toxic compounds; batteries should be disposed
of via designated competent organizations. Batteries should not be
incinerated.
Cleaning
Device surface should be cleaned using alcohol-based wipes.
Corrosive cleansing liquids should not be used. Pressure-washers
should not be used.
Do not use large amounts of water when cleaning the device, as it
may cause damage to the internal electronics.

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Maintenance
Device does not require routine maintenance. However, regular
checking of accuracy is recommended; frequency to be determined
by level of use and state of device. If results are inaccurate, please
contact local distributor.
Warranty/Liability
The period of warranty shall be eighteen (18) months, beginning on
the date of purchase. Please retain your receipt as proof of purchase.
No responsibility shall be accepted for damage caused through any
of the following reasons: unsuitable or improper storage or use,
incorrect installation or commissioning by the owner or third parties,
natural wear and tear, changes or modifications, incorrect or
negligent handling, chemical, electrochemical, or electrical
interference.
All maintenance, technical inspections, and repairs should be
conducted by an authorized Charder service partner, using original
Charder accessories and spare parts. Charder is not liable for any
damages arising from improper maintenance or usage.
Disposal
This product is not to be treated as regular household waste, but
should be taken to a designated collection points for electronics.
Further information should be provided by local waste disposal
authorities.
Warning
Keep device away from liquids.
Do not under any circumstances dismantle or alter the device, as this
could result in electric shock or injury as well as adversely affect the
precision of measurements.
Do not place the device in direct sunlight, or in close proximity to an
intense heat source. Excessively high temperatures may damage the
internal electronics.

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II. Quick Guide
A. Contents
B. Inserting batteries
1. Open the battery housing cover
on bottom of device
2. Insert batteries as indicated in
battery compartment (AA*4)
After inserting batteries, please conduct self-calibration.
Note: when depleted battery symbol appears, replace all four
batteries with new ones. Remove batteries from device before placing
into long-term storage (>3 months) to avoid device damage.
C. Unit Selection (kg/lb)
Select kg/lb when device is turned off.
Unit switch
(kg/lb)
Battery
cover
Feet
LCD screen
Battery symbol (low/depleted)

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III. Using Device
A. Before first use of device (self-calibration)
1. After inserting batteries, place device on hard, flat, non-slippery
surface.
2. Device will initiate self-calibration, and will turn off after
self-calibration is complete.
3. Device is now ready for use. Step onto device to turn on and use.
(Device does not have a reset button. To reset the device, remove the
batteries, insert new batteries, and repeat the steps above)
B. Usage guidelines
NOTE: do not place device on soft surfaces (e.g. carpet, mats)
NOTE: Remain still during measurement. Measure weight at the same
time (ideally morning) for consistency.

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IV. Troubleshooting
Before contacting your local Charder distributor for repair service, we
recommend considering the following troubleshooting procedures:
Self-inspection
Device will not power on
Please confirm batteries are inserted.
If batteries are inserted, please confirm they have power
If batteries are inserted, please confirm they are inserted in the
correct direction.
Error Messages
Error Message
Reason
Action
Batteries are low
Replace batteries with new
ones before depletion.
Batteries are depleted.
Replace batteries with new
ones.
Movement during
measurement.
Do not move until
measurement is completed.
Device error.
Contact your distributor.
Weight exceeds capacity
Allowable weight range:
15-250kg (33-550lb)
Misalignment during
auto-calibration
Repeat measurement.
Function failure
Check batteries

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V. Product Specifications
Model
MS7301
Weight
Measurement
Capacity
15-100kg x 0.1kg
(33-220lb x 0.2lb)
100-250kg x 0.2kg
(220-550lb x 0.5lb)
Accuracy
15-40kg± 0.4kg
(33-88lb± 0.88lb)
40-250kg± 1%
(88-550lb± 1%)
IP
Classification
IP21
Dimensions
Device
415(W) x 360(D) x 41(H) mm
1 3/5”(H) x 16 1/3” (W) x 14 1/5”(D)
Weight
~3.5kg (7.7 lb) including batteries
Key Functions
On/Off, Unit
Power Supply
4 AA alkaline batteries
Standard Accessories
User manual x1
Operation Temperature &
Humidity
10℃~40℃(+50°F to +104°F)
15% / 85% RH
This device fulfills the provisions of EMC Directive 2004/108/EC

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Notes
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Manufactured by:
Charder Electronic Co., Ltd.
No.103, Guozhong Rd., Dali Dist.,
Taichung City, 41262 Taiwan (R.O.C.)
CD-IN-1406 160254E 04/2021