Charder MS7301 User manual

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

Explanation of the Graphic Symbols
SN-T13000001
Designation of the serial number of every device,
applied at the device. (Number as an example)
“Please note the accompanying documents“
or “Observe operating instructions”
Identification of manufacturer of medical product
including address
“Electro-medical appliance“ with Type B applied part
Dispose of old appliances separately from your
household waste. Instead, take them to designated
collection points for electronics.
Carefully read user manual before installation and
usage, and follow instructions for use.
Manufacturing date
Lot number or batch number
Charder Electronic Co., Ltd.
No. 103, Guozhong Rd., Dali Dist.,
Taichung City, 412 Taiwan

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.

CONTENTS
I. Safety Notes .......................................................................... 5
II. Quick Guide.......................................................................... 8
A. Contents.............................................................................8
B. Inserting Batteries ...............................................................9
C. Unit Selection (kg/lb) ...........................................................9
III. Using Device ......................................................................10
IV. Troubleshooting..................................................................11
V. Product Specifications..........................................................13

I. Safety Notes
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 children or adults who
can stand unassisted, for professional diagnosis of weight-related issues.
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.
Safety Instructions
Before putting device into use, please read this user manual carefully. It
contains important instructions for installation, usage, and maintenance
of device.
The manufacturer shall not be liable for damages caused by failure to
heed the following 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.
Improper installation will render the warranty null and void.
Ensure voltage marked on power supply matches mains power
supply.
The device is intended for indoor use only.
Observe permissible ambient temperatures for use
Device meets requirements for electromagnetic compatibility. Do not
exceed the maximum values specified in the applicable standards.

Environmental
All batteries contain toxic compounds; batteries should be disposed
of via designated competent organizations. Batteries should not be
incinerated.
The optimum operating temperature for the device is 0℃to +40℃;
although it will operate at higher and lower temperatures, battery
life will adversely be effected.
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.
Always disconnect device from mains power before cleaning.
Maintenance
Please contact your local Charder distributor for regular maintenance
and calibration.
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
If Charder is responsible for a fault or defect present upon receipt of
the unit, Charder shall either repair the fault, or supply a
replacement unit. Should the repairs or replacement delivery fail,
statutory provisions shall be valid. The period of warranty shall be
two years, 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, unless damage is attributable to negligence on the part
of Charder.
This device does not contain any user-maintained parts. 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. Dismantlement of the
device will void the warranty.
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
Only the original adaptor should be used with the device. Using an
adapter other than the one provided by Charder may cause
malfunction.
Do not touch the power supply with wet hands.
Do not crimp the power cable, and avoid sharp edges.
Do not overload extension cables connected to the device.
Route cables carefully, to avoid tripping.
Keep device away from liquids.
Do not remove the plug by yanking on the cable.
Use only a correctly wired (100-240VAC) outlet, and do not use a
multiple outlet extension cable.
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.

II. Quick Guide
A. Contents
LCD
Unit switch
(kg/lb)
Reset button
(Contact distributor
before resetting)
Battery cover
Feet*4
Battery symbol
(low/depleted)

B. Inserting Batteries
1. Open the battery housing cover on bottom of device.
2. Insert batteries as indicated in battery compartment (AA*4)
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.

III. Using Device
1. Place device on hard, flat, non-slippery surface.
NOTE: do not place device on soft surfaces (e.g. carpet, mats)
2. Step onto device. Device will automatically power-on and take weight
measurement.
NOTE: Remain still during measurement. Measure weight at the same
time (ideally morning) for consistency.

IV. Troubleshooting
Product Defects
Charder's warranty is effective for the original purchaser of this device,
subject to the terms and conditions listed in the Warranty Program &
Return Policy.
1. If Charder is responsible for a fault or defect present upon receipt of the
unit, Charder shall either repair the fault, or supply a replacement unit.
Should the repairs or replacement delivery fail, statutory provisions shall
be valid. The period of warranty shall be two years, beginning on the date
of purchase. Please retain your receipt as proof of purchase.
2. 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, unless damage is
attributable to negligence on the part of Charder.
If device is not covered under warranty, a service maintenance charge will
apply, plus cost of replacement parts.
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

V. Product Specifications
Device Information
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
Operation Temperature &
Humidity 10℃~40℃(+50°F to +104°F)
15% / 85% RH
Standard Accessories
User manual x1, AA Batteries x4
(optional)
This device fulfills the provisions of EMC Directive 2004/108/EC

Manufactured by:
Charder Electronic Co., Ltd.
No.103, Guozhong Rd., Dali Dist.,
Taichung City, 412 Taiwan (R.O.C.)
CD-IN-1406 REV 001 03/2020