KERN MPP, MTP, MWP, MCP-M Operating Instructions Manual
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-mail: info@kern-sohn.com
Tel.: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Website: www.kern-sohn.com
Operating Instructions
Personal weighing scale, Stand on scale, Wheelchair scale, Chair
scale
KERN MPP/MTP/MWP/MCP-M
Version 1.2
03/2011
GB
MPP / MTP / MWP / MCP- M-BA-e-1112
GB
KERN MPP 200K100 M / PM / HM
KERN MTP 220K100M
KERN MWP 220K100PM
KERN MCP 220K100M / WM
Version 1.2 03/2011
Operating Instructions
Personal weighing scale, Stand on scale, Wheelchair
scale, Chair scale
Contents
1 Technical data.................................................................................................... 4
2 Declaration of conformity.................................................................................. 6
2.1 Explanation of graphical symbols...............................................................................................6
3 Basic directions (general information)............................................................. 8
3.1 Use .................................................................................................................................................. 8
3.1.1 Indication ......................................................................................................................................... 8
3.1.2 Contraindication............................................................................................................................... 8
3.2 Intended use................................................................................................................................... 8
3.3 Inappropriate use .......................................................................................................................... 9
3.4 Guarantee..................................................................................................................................... 10
3.5 Monitoring the test substances ................................................................................................. 10
4 Basic safety directions.................................................................................... 11
4.1 Observing the directions included in the Operating Instructions.......................................... 11
4.2 Staff training................................................................................................................................. 11
4.3 Avoidance of contamination ......................................................................................................11
5 Transport and storage..................................................................................... 11
5.1 Check upon delivery....................................................................................................................11
5.2 Packaging / return transport ...................................................................................................... 11
6 Unpacking, installation and starting .............................................................. 12
6.1 Place of installation, place of use..............................................................................................12
6.2 Unpacking .................................................................................................................................... 12
6.2.1 Installation and Scale Setup..........................................................................................................13
6.2.2 Scope of delivery........................................................................................................................... 20
6.3 Mains socket................................................................................................................................ 20
6.4 Battery supply operation / battery replacement....................................................................... 21
6.5 Initial start-up............................................................................................................................... 21
6.5.1 Displaying stable weighing value .................................................................................................. 21
6.5.2 Displaying zero on the operating panel.........................................................................................21
6.6 Menu settings............................................................................................................................... 22
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7 Operation...........................................................................................................23
7.1 Operating elements..................................................................................................................... 23
7.1.1 Display........................................................................................................................................... 23
7.1.2 Overview of keyboard.................................................................................................................... 24
7.1.3 View of display............................................................................................................................... 25
8 Using scale........................................................................................................25
8.1 Weighing people.......................................................................................................................... 25
8.2 Using Body Mass Index (BMI) function..................................................................................... 26
8.2.1 Classification of BMI values .......................................................................................................... 28
8.3 Tare function................................................................................................................................ 29
9 RS 232 C interface ............................................................................................30
9.1 Technical data.............................................................................................................................. 30
9.2 Manual data output with the Print key ...................................................................................... 30
10 Error messages.................................................................................................31
11 Service, maintenance, disposal.......................................................................32
11.1 Cleaning ....................................................................................................................................... 32
11.2 Service, maintenance.................................................................................................................. 32
11.3 Disposal........................................................................................................................................ 32
12 Troubleshooting................................................................................................33
13 Verification ........................................................................................................34
13.1 Adjusting...................................................................................................................................... 34
13.2 Seals ............................................................................................................................................. 35
13.3 Validity period of verification (present status in Germany).................................................... 37
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1 Technical data
KERN Personal weighing
scales MPP
Scales MTP, MWP
Display 6-position one
Read-out e = 100 g
Display LCD, 25 mm high digits
Weighing range (max) 200 kg 220 kg
Minimal load 2.0 kg
Recommended calibration
weight
180 kg (M1)
Warm-up time 10 minutes
Battery supply operation serial equipment
Automatic switching off
after
only in battery supply mode: adjustable (0-20 minutes)
Interface RS 232 C
Weighing units kg, lb
Supply voltage 100-240 V , 50/60 Hz, 400 mA
Mains adapter supply 9 V DC / 500 mA (EN 60601-1)
Operating temperature 0°C .... + 40°C
Storage temperature -30°C .… + 70°C
Air humidity max. 80% (non-condensing)
Housing of operating
panel (W x D x H) mm
182 x 155 x 95
Scale ready for operation
(W x D x H) mm
MPP-M 380x370x80
MPP-PM 380x525x1283
MPP-HM 380x525x1383
MTP-M 650x655x1130
MWP-PM 900x970x1150
Total weight (net) 8.0 / 11.5 / 12.0 kg 22.0 / 31 kg
Battery operating time 100 hours (charge time of 8 hours)
Verification according to
90/384/EEC
Medical, class III
Medical device according
to 93/42/EEC
Class I with measuring function
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KERN MCP 220K100M MCP 220K100WM
Display 6-position one
Read-out (d) 100 g
Display (high digits) LCD, 25 mm
Weighing range (max) 220 kg
Minimal load 2.0 kg
Recommended calibration
weight
180 kg
(M1)
Warm-up time 10 minutes
Battery supply operation serial equipment
Automatic switching off after only in battery supply mode: adjustable (0-20 minutes)
Interface RS 232 C
Weighing units kg, lb
Supply voltage
100-240 V , 50/60 Hz, 400 mA
Mains adapter supply 9 V DC / 500 mA (EN 60601-1)
Operating temperature 0°C .... + 40°C
Storage temperature -30°C .… + 70°C
Air humidity max. 80% (non-condensing)
Housing of operating panel
(W x D x H) mm
182 x 155 x 95
Scale ready for operation
(W x D x H) mm
600 x 790 x 950
Total weight (net) 22 kg
Battery operating time 100 hours (charge time of 8 hours)
Verification according to
90/384/EEC
Medical, class III
Medical device according to
93/42/EEC
Class I with measuring function
Wheels 2 4
Foot rest
✓ ✓
2 Declaration of conformity
Declaration of conformity: refer to the separate document with serial number of the
device
CE marking:
0297
93/42/EEC
90/384/EEC
The directive relating to non-automatic weighing instruments
year
0103
M
2.1 Explanation of graphical symbols
This EEC verification mark indicates that these scales are in
conformity with EEC Directive 90 / 384 / EEC for Non-Automatic
Weighing Instruments. Weighing instruments bearing this mark
are approved for medical purposes within the European Union.
SN WOC 09000100
Designation of the serial number of every device, applied at the
device and on the packaging
Number here as example
2009-10
Identification of the manufacturing date of the medical product.
Year and month here as example
“Please note the accompanying documents“
or “Observe operating instructions”
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Kern & Sohn GmbH
D–72336 Baligen,Germany
www.kern-sohn.com
Identification of manufacturer of medical product including address
“Electro-medical appliance“
with attachment for type B
Device protection category II
Dispose of old appliances separately from your household
waste!l!
Instead, take them to communal collection points.
+70°C
-30°C
Temperature limit indicating the upper and the lower limit
(storage temperature on packaging)
(Temperature serving as an example)
15 V DC / 300 mA
Display of supply voltage for scales with polarity display
(Polarity and values serving as an example)
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3 Basic directions (general information)
According to the Directive 90/384/EEC scales must be verified to the
following application purposes. Article 1, paragraph 4 „Determination of
weight in the course of medical practice i.e. weighing of patients for the
purpose of health monitoring, diagnosis and medical treatment.”
3.1 Use
3.1.1 Indication
- Determination of body weight in the course of medical practice.
- Used as a non-automatic scale i.e. a person is to be placed carefully in the centre of
the scale plate or in the suitable supporting device in the case of wheelchair or chair
scales. In the case of baby scales, a baby is to be always laid down or seated on the
scale pan. The weighing value can be read off after a stable weighing value has been
obtained.
3.1.2 Contraindication
No contraindications.
3.2 Intended use
These scales are used to determine weight of people in standing and sitting position or
babies in lying position depending on the model in rooms intended for carrying out
medical care. The scales are intended to diagnose, prevent and monitor diseases.
The scales equipped with serial interface can only be connected to the
equipment compliant with EN60601-1 standard.
In the case of personal weighing scales, a person to be weighed is to be placed carefully in the centre of the scale plate and left at rest or in the case of chair scales, a person should be seated in the centre of seat and left at rest.
In the case of wheelchair scales, place a wheelchair entirely on the platform and then
lock its wheels before carrying out weighing procedure.
The weighing value can be read off after a stable weighing value has been obtained.
The scale is designed for continuous operation.
The scale platform can only be walked on by people that can stand on it securely with both feet, or sit calmly (in the case of chair scale).
Scale platforms or footrests are equipped with anti-slip material which cannot
be removed or covered when people are weighed.
When scales equipped with height measure are used, pay attention that the top flap is
always folded down after their use to avoid danger of injury.
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The chair scales may not be used for the transport of people!
As long as the patient is remaining on the chair scales, the
wheel brakes must be locked without fail.
Before any use, the scale must be checked for correct condition by an authorised
person.
3.3 Inappropriate use
Do not use the scales for dynamic weighing.
Do not leave a permanent load on the weighing plate. This can damage the measuring
equipment.
Be sure to avoid impact shock and overloading the scale in excess of the prescribed
maximum load rating (max.), minus any possible tare weight that is already present.
This could result in damage of the scale.
Never operate the scale in hazardous locations. The series design is not explosionproof. Attention should be paid that flammable mixture may also be formed from
anaesthesiological means that contain oxygen or laughing gas (nitrous oxide).
Construction alterations may not be made to the scale. This can lead to incorrect weighing results, faults concerning safety regulations as well as to destruction of the scale.
The scale may only be used in compliance with the described guidelines. Other areas of
application/planned use must be approved by KERN in writing.
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3.4 Guarantee
The guarantee shall become void in the event of the following:
• non-observation of our guidelines in the Operating Instructions,
• use outside the described applications,
• alteration to or opening of the device,
• mechanical damage or damage caused by media, liquids, usual wear and tear,
• inappropriate erection or electric installation,
• overloading of the measuring equipment,
• scale falling down (pay attention to information label on the platform scales).
3.5 Monitoring the test substances
The metrology features of the balance and any possible available adjusting weight must
be checked at regular intervals within the scope of quality assurance. For this purpose,
the responsible user must define a suitable interval as well as the nature and scope of
this check. Information is available on KERN’s home page (www.kern-sohn.com) with
regard to the monitoring of balance test substances and the test weights required for
this. Test weights and balances can be adjusted quickly and at a reasonable price at
KERN’s accredited DKD (Deutsche Kalibrierdienst) calibration laboratory (return to national standard).
In the case of the scales for weighing people provided with the scale to determine a
body size, it is recommended to carry out the check of its measuring accuracy because
determination of the human body size is always connected with a very large inaccuracy.
4 Basic safety directions
4.1 Observing the directions included in the Operating Instructions
Please read these Operating Instructions carefully before erecting and commissioning
the balance, even if you already have experience with KERN medical scales.
4.2 Staff training
The device may only be operated and maintained by trained members of staff.
4.3 Avoidance of contamination
To avoid cross contamination (mycosis,...), the scale plate is to be cleaned regularly.
Recommendation: after each weighing which could result in potential contamination
(e.g. when there is a direct skin contact during weighing).
5 Transport and storage
5.1 Check upon delivery
Please check the packaging immediately upon delivery and the device during unpacking
for any visible signs of external damage.
5.2 Packaging / return transport
Ö Keep all parts of the original packaging for a possibly required re-
turn.
Ö Only use original packaging for returning.
Ö Prior to dispatch disconnect all cables and remove loose/mobile
parts.
Ö Reattach possibly supplied transport securing devices.
Ö Secure all parts such as the glass wind screen, the weighing plat-
form, power unit etc. against shifting and damage.
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6 Unpacking, installation and starting
6.1 Place of installation, place of use
The scale is designed in such a way that reliable weighing results can be achieved under normal application conditions.
By selecting the correct location for your scale, you will be able to work quickly and precisely.
Therefore, please observe the following when choosing a place of installation:
• Place the scale on a firm, level surface;
• Avoid extreme heat as well as temperature fluctuation caused by installing the
scale next to a radiator or in the direct sunlight;
• Protect the scale against direct draughts due to open windows and doors;
• Avoid shaking during weighing;
• Protect the scale against high humidity, vapours and dust;
• Do not expose the device to extreme dampness for longer periods of time. In-
admissible bedewing (condensation of air moisture on the device) can occur if a
cold device is taken into a significantly warmer environment. In this case, please
keep the device for approx. 2 hours at room temperature after it has been disconnected from mains supply;
• Avoid static charge build-up on people to be weighed;
• Avoid contact with water.
Major display deviations (incorrect weighing results) are possible if electromagnetic fields
occur (e.g. coming from mobile phones or radio equipment) as well as due to static
charging and instable power supply. It is necessary then to change the scale
location or remove disturbance source.
6.2 Unpacking
Carefully remove individual scale parts or the whole scale from its packaging and position the scale in its intended working location. When the mains adapter is used, be careful not to cause the danger of falling over the power cable.
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