KERN MPE 250K100HM User manual

KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: [e-mail]
Tel: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Operating instructions
Personal floor scale with BMI function
KERN MPE_HM / MPE_PM
Version 2.0
04/2015
GB
MPE_HM / MPE_PM-BA-e-1520
MPE-HM
MPE-PM

GB
KERN MPE 250K100HM
KERN MPE 250K100PM
Version 2.0 04/2015
Operating instructions
Personal floor scale with BMI function
Contents
1Technical data ............................................................................................ 4
2Declaration of conformity.......................................................................... 5
2.1 Explanation of the graphic symbols........................................................................ 5
3Appliance overview.................................................................................... 7
4Keyboard overview .................................................................................... 9
5Overview of display.................................................................................. 10
6Basic Information (General).................................................................... 11
6.1 Specific function....................................................................................................11
6.2 Proper use............................................................................................................11
6.3 Improper Use........................................................................................................12
6.4 Warranty...............................................................................................................12
6.5 Monitoring of Test Resources ...............................................................................12
7Basic Safety Precautions ........................................................................ 13
7.1 Pay attention to the instructions in the Operation Manual......................................13
7.2 Personnel training.................................................................................................13
7.3 Preventing contamination......................................................................................13
8Electromagnetic compatibility (EMC)..................................................... 14
8.1 General hints ........................................................................................................14
8.2 Electromagnetic interferences...............................................................................15
8.3 Electromagnetic noise immunity............................................................................16
8.3.1 Crucial features of performance........................................................................................... 18
8.4 Minimum distances...............................................................................................18
9Transport and storage............................................................................. 19
9.1 Testing upon acceptance......................................................................................19
9.2 Packaging / return transport..................................................................................19
10 Unpacking, Setup and Commissioning.................................................. 20
10.1 Installation Site, Location of Use...........................................................................20
10.2 Unpacking.............................................................................................................20
10.3 Scope of delivery ..................................................................................................21
10.3.1 MPE-HM models.................................................................................................................. 21
10.3.2 MPE-PM models .................................................................................................................. 21
10.4 Balance assembly and installation ........................................................................21
10.4.1 MPE models......................................................................................................................... 22
10.5 Mains connection..................................................................................................23
10.6 Battery operation is possible by obtaining an optional battery power pack............24
10.7 Battery operation...................................................................................................25
10.8 Initial Commissioning............................................................................................27
2 MPE_HM / MPE_PM-BA-e-1520

11 Operation .................................................................................................. 28
11.1 Weighing...............................................................................................................28
11.2 Taring ...................................................................................................................28
11.2.1 Subsequent tare weight ....................................................................................................... 29
11.3 HOLD function ......................................................................................................29
11.4 Show second decimal place..................................................................................29
11.5 Calculation of the Body Mass Index......................................................................30
11.5.1 Measuring body height (MPE-HM only)............................................................................... 30
11.5.2 Calculating Body Mass Index............................................................................................... 31
11.5.3 Classification of BMI values................................................................................................. 32
11.6 Automatic switch-off function „AUTO OFF“ ...........................................................33
11.7 Display background illumination............................................................................34
12 The menu .................................................................................................. 35
12.1 Navigation in the menu .........................................................................................35
12.2 Menu overview......................................................................................................36
13 Data output RS 232 .................................................................................. 39
13.1 Pin allocation of balance output bushing:..............................................................39
13.2 Technical data ......................................................................................................39
13.3 Printer operation ...................................................................................................40
14 Error messages........................................................................................ 41
15 Service, maintenance, disposal.............................................................. 42
15.1 Cleaning ...............................................................................................................42
15.2 Cleaning / disinfecting...........................................................................................42
15.3 Service, maintenance ...........................................................................................42
15.4 Disposal................................................................................................................42
16 Instant help............................................................................................... 43
17 Verification................................................................................................ 44
17.1 Verification validity period (current status in G).....................................................46
18 Adjustment ............................................................................................... 47
MPE_HM / MPE_PM-BA-e-1520 3

1 Technical data
KERN
MPE
250K100HM
MPE
250K100PM
Display 6-digit
Weighing range (max) 250 kg
Minimum load (Min) 2 kg
Verification value (e) 100 g
Reproducibility 0.1 kg
Linearity ± 0.1 kg
Display LCD with 25mm high digits
Recommended adjustment
weight, (Class) >200 kg
(M1)
Stabilization time (typical) 2 sec.
Warm-up time 10 min
Operating temperature 0° C …. + 40° C
Humidity of air max. 80 % (not condensing)
Electric Supply Input voltage 100 V - 240 V, 50 / 60 Hz
Auto Off After 3 min without load change (adjustable)
Balance
(W x D x H) mm 365 x 460 x 2134 365 x 450 x 1030
Weighing plate mm 365 x 360 x 80
Weight kg (net) 11.5 10.8
Height measuring stick in
tripod integrated, extendable
(from 88 cm to 200 cm)

-
Rechargeable battery
operation optional; 6 x 1.2 VAA = 7.2 V/2000 mA
Batteries 6 x 1.5 V AA
Data interface
provided as standard RS 232 C
4 MPE_HM / MPE_PM-BA-e-1520

2 Declaration of conformity
Declaration of conformity: see separate document showing serial number of device
CE marking:
0297
93/42/EEC
2009 / 23 / EG
Non-automatic Weighing Instruments Directive
2.1 Explanation of the graphic symbols
This EC verification mark indicates that these scales are in
conformity with EU Directive 2009/23/EG for Non-Automatic
Weighing Instruments. Weighing instruments bearing this mark
are approved for medical purposes within the European Union.
WF 150012
Designation of the serial number of every device, applied at the
device and on the packaging
Number here as example
2015-01
Identification of the manufacturing date of the medical product.
Year and month here as example
“Please note the accompanying documents“
or “Please note the operating instructions”
“Please note the operating instructions”
“Please note the operating instructions”
M
year
0103
MPE_HM / MPE_PM-BA-e-1520 5

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!
Instead, take them to communal collection points.
Temperature limit indicating the upper and the lower limit
(storage temperature on packaging)
(Temperature serving as an example)
12 V DC / 500 mA
Display of supply voltage for scales with polarity display.
+70°C
-30°C
6 MPE_HM / MPE_PM-BA-e-1520

3 Appliance overview
1. Height measuring stick
(MPE-HM models only)
2. Display Unit
3. Weighing platform
(anti-slip surface)
4. Rubber feet
(height adjustable)
Underside
5.Rolls
MPE_HM / MPE_PM-BA-e-1520 7

Secondary display at rear
Display unit at rear
5 Rechargeable battery
compartment
6 Mains connection
7 RS 232 C
8 MPE_HM / MPE_PM-BA-e-1520

4 Keyboard overview
Key Description Function
ON/OFF-switch Turn on/off
HOLD button Hold function/Calculation of a stable weight value
BMI key Calculation of the Body Mass Index
PRINT button
(MPE models only)
Data transfer via interface
In menu:
•Confirm selection
For numeric entry:
•Confirm numerical value
Function key In menu:
•Call up menu
•How to select menu items
For numeric entry:
•Increase numerical value
Zeroing key Weighing scale will be reset to „0.0“
For numeric entry:
•Change decimal place
TARE key Tare balance
MPE_HM / MPE_PM-BA-e-1520 9

5 Overview of display
Display Description Description
Stability display Scales are in a steady state
Zeroing display Should the balance not display exactly
zero despite empty weighing plate, press
the button. Your balance will be set to
zero after a short standby time.
NET Net weight display Illuminated when net weight is displayed
Illuminated after weighing scale was tared
GROSS Gross weight display Illuminated when gross weight is displayed
HOLD HOLD function HOLD function active
BMI BMI function Illuminated while BMI function is enabled
10 MPE_HM / MPE_PM-BA-e-1520

6 Basic Information (General)
Weighing instruments have to be
verified for the purposes stated
below in accordance with Directive 2009/23/EC.
Article 1,
paragraph 4. “Determination of mass in the practice of medicine
that is, weighing patients for reasons of medical supervision
during medical surveillance, examination and treatment.”
6.1 Specific function
Indication
•Determining the body weight in the medical practice area.
•Use as „non-standalone weighing scale“, that is, a person
steps carefully onto the weighing platform‘s centre. Once a
steady display value is shown, you can read the weight value.
Contra-
indication
•No contraindication known
6.2 Proper use
This weighing scale is designed for determining the weight of a person whilst
standing, such as in doctor’s surgeries. The balance is suitable for recognising,
preventing and controlling illnesses.
Scales fitted with a serial interface may only be connected to
appliances in compliance with Directive EN60601-1.
On personal weighing scales, the person should step onto the centre of the weighing
platform and remain standing without moving.
As soon as a stable weighing value is reached the weighing value can be read.
The weighing scale is designed for continuous duty.
The weighing platform may only be stepped on by persons
capable of standing on both feet on the weighing platform.
The weighing platforms are fitted with an anti-slip surface that must not be covered
during weighing a person.
The balance should be checked for correct condition prior to each utilisation by a
person familiar with proper operation of the balance.
MPE_HM / MPE_PM-BA-e-1520 11

6.3 Improper Use
Do not use these scales for dynamic weighing processes.
Do not leave permanent load on the weighing pan. This may damage the measuring
system.
Impacts and overloading exceeding the stated maximum load (max) of the weighing
plate, minus a possibly existing tare load, must be strictly avoided. This could cause
damage to the balance.
Never operate balance in explosive environment. The serial version is not explosion
protected. It should be noted that a flammable mixture of anaesthetics and oxygen or
laughing gas may occur.
The structure of the balance may not be modified. This may lead to incorrect
weighing results, safety-related faults and destruction of the balance.
The balance may only be used according to the described conditions. Other areas of
use must be released by KERN in writing.
6.4 Warranty
Warranty claims shall be voided in case
•Our conditions in the operation manual are ignored
•The appliance is used outside the described uses
•The appliance is modified or opened
•Mechanical damage and damage caused by media, liquids,
•Natural wear and tear
•The appliance is improperly set up or incorrectly electrically connected
•The measuring system is overloaded
•Dropping the balance
6.5 Monitoring of Test Resources
In the framework of quality assurance the measuring-related weighing properties of
the balance and, if applicable, the testing weight, must be checked regularly. The
responsible user must define a suitable interval as well as type and scope of this test.
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. In
KERN’s accredited DKD calibration laboratory test weights and balances may be
calibrated (return to the national standard) fast and at moderate cost.
Using measuring technology to check the accuracy of the measuring device is
recommended for personal floor scales with body height measurement but is not
absolutely essential as the calculation of the human body height is always subject to
a great deal of inaccuracy.
12 MPE_HM / MPE_PM-BA-e-1520

7 Basic Safety Precautions
7.1 Pay attention to the instructions in the Operation Manual
Carefully read this operation manual before
setup and commissioning, even if you are
already familiar with KERN balances.
All language versions contain a non-binding
translation.
The original German is binding.
7.2 Personnel training
The medical staff must apply and follow the operating instructions for proper use and
care of the product.
7.3 Preventing contamination
The prevention of cross-contamination (fungal skin infections …) requires regular
cleaning of the weighing platform. Recommendation: after a weighing procedure that
could potentially result in contamination (e. g. after weighing that involves direct skin
contact).
MPE_HM / MPE_PM-BA-e-1520 13

8 Electromagnetic compatibility (EMC)
8.1 General hints
The installation and use of this electrical medical device requires
special precautionary measures as outlined in the EMC information
below.
This device complies with the limits set for medical electrical devices of group 1,
class B (as per EN 60601-1-2).
Electromagnetic compatibility (EMC) describes a device’s ability to perform reliably
within an electromagnetic environment without causing inadmissible electromagnetic
interference at the same time. Amongst other things, such disturbances may be
emitted by connecting cables or the air.
Inadmissible disturbances from the environment may result in incorrect displays,
inaccurate measured values or incorrect behaviour of the medical device. By the
same token the medical device may in some cases cause such disturbances in other
devices. To eliminate problems of that kind, we recommend you to take one or
several of the measures listed below:
•Change the alignment or distance of the device to the source of EMI.
•Install or use the floor scales MPE at a different location.
•Connect the floor scales MPE to a different power source.
•For further questions please contact our customer services.
Disturbances may be caused by improper modification or add-ons to the device or
not recommended accessories (such as power units or connecting cables). The
manufacturer will not be responsible for these. Modifications may also result in a loss
of authorisation relating to the use of the device.
Devices emitting high frequency signals (mobile telephones, radio
transmitters, radio receivers) may cause interference in the floor scale
MPE. For that reason do not use them near the floor scale MPE.
Chapter 8.4 contains details about recommended minimum distances.
14 MPE_HM / MPE_PM-BA-e-1520

8.2 Electromagnetic interferences
Guidelines and manufacturer’s declaration – electromagnetic interferences
The floor scales MPE is designed for use in an electromagnetic environment that meets the
requirements stated below. The customer or user of the medical electrical device must
ensure that operation takes place in such an environment.
Emitted interference
measurements
Conformity
Electromagnetic environment -
guideline
HF emissions
as per CISPR 11 / EN 55011
Group 1
The floor scales MPE uses HF
energy merely for its internal
working. Its HF emission therefore
is very low and it is highly unlike to
interfere with adjacent electronic
devices.
HF emissions
as per CISPR 11 / EN 55011
Class B
The floor scales MPE is designed
for use in all equipment including
those in living areas and those
connected directly to the public
power grid that also supplies
buildings used for living purposes.
Emission of harmonics
as per IEC 61000-3-2
Class A
Emission of voltage fluctuations /
flicker
as per IEC 61000-3-3
Conforms with
Do not put the floor scale MPE directly next to other devices and do not stack it with
other devices. If this type of operation is necessary, observe the floor scale MPE to
ensure normal operation in such an arrangement.
MPE_HM / MPE_PM-BA-e-1520 15

8.3 Electromagnetic noise immunity
Guidelines and manufacturer’s declaration - electromagnetic noise immunity
The floor scales MPE is designed for use in an electromagnetic environment that meets the
requirements stated below. The customer or user of the medical electrical device must ensure that
operation takes place in such an environment.
Noise immunity tests
IEC 60601 test level
Conformity
Electromagnetic
environment - guideline
Discharge static
electricity (DSE)
as per IEC 61000-4-2
± 6 kV contact discharge
± 8 kV air discharge
± 6 kV
± 8 kV
Floors should be made of
wood or concrete or tiled with
ceramic tiles. If floors are
covered with synthetic
material, relative air humidity
must be at least 30%.
Fast transient electrical
disturbances / bursts
as per IEC 61000-4-4
± 2 kV for power lines
+ 1 kV for input and
output lines
± 2 kV
+ 1 kV
The quality of the supply
voltage should match that of
the typical business or hospital
environment.
Impulse voltages /
surges
as per IEC 61000-4-5
± 1 kV voltage
Live wire - live wire
± 2 kV voltage
Live wire - earth
± 1 kV
Inapplicable
The quality of the supply
voltage should match that of
the typical business or hospital
environment.
Voltage dips, short-term
disruptions and
fluctuations in supply
voltage
as per IEC 61000-4-11
< 5 %
(> 95 % dip of )
for ½ period
40 %
(> 60 % dip of )
for 5 periods
70 %
(> 30 % dip of )
for 25 periods
< 5 %
(> 95 % dip of )
for 5 s
Compliance
with
requirements
under all
postulated
conditions
Controlled
switch off
Return to
undisturbed
situation after
user
intervention.
The quality of the supply
voltage should match that of
the typical business or hospital
environment. Where the user
of the medical device demands
continuous operation even
during disruptions to the power
supply, we recommend
powering the floor scale MPE
by no-break power supply or
battery.
Magnetic field for supply
frequency
(50/60 Hz)
as per IEC 61000-4-8
3 A/m
3 A/m
50/60 Hz
Magnetic fields for the supply
frequency should match the
typical values found in the
particular business or hospital
environment.
NOTE equals AC line voltage prior to application of test level.
16 MPE_HM / MPE_PM-BA-e-1520

Guidelines and manufacturer’s declaration - electromagnetic noise immunity
The floor scales MPE is designed for use in an electromagnetic environment that meets the
requirements stated below. The customer or user of the medical electrical device must ensure that
operation takes place in such an environment.
Noise immunity tests
IEC 60601 test
level
Conformity
Electromagnetic environment -
guideline
Conducted HF
disturbance variables
as per IEC 61000-4-6
3
150 kHz to 80 MHz
3 V
Do not use portable or mobile radio sets
nearer to the floor scales MPE or its
wires than the distance recommended
as safety distance which is calculated
according to the equation relevant for its
transmission frequency.
Recommended safety distance:
for 80 MHz to 800 MHz
for 800 MHz to 2.5 GHz
Use P as rated capacity of radio
transmitter in Watt (W) as per details
given by the radio transmitter
manufacturer and d as recommended
safety distance in metres (m).
The field intensity of stationary radio
transmitters should for all frequencies be
lower according to an in situ a
examination than the conformity level.b
Interference may occur near devices
bearing the symbol below.
Emitted HF
disturbance variables
as per IEC 61000-4-3
3
80 MHz to 2.5 GHz
3 V/m
NOTE 1 Higher frequency range applies to 80 MHz and 800 MHz.
NOTE 2 These guidelines may not be applicable in all cases.
The spread of electromagnetic variables is influenced by absorption and reflections in
buildings, objects and humans.
aThe field intensity of stationary radio transmitters such as base stations of wireless telephones and
mobile radio sets, amateur radio stations, AM and FM radio and television stations cannot be reliably
predicted in advance. To determine the electromagnetic environment in respect of stationary
transmitters, you should consider a study of electromagnetic phenomena at the location. If the
measured field intensity at the location where the floor scales MPE is to be used exceeds the
conformity level above, you should observe the floor scales MPE in order to ensure normal operation.
If you observe unusual features of performance you may have to take additional measures such as a
change in alignment or a different location for the floor scale MPE.
b
For a frequency range of 150 kHz to 80 MHz field intensity should be less than 3 V/m.
MPE_HM / MPE_PM-BA-e-1520 17

8.3.1 Crucial features of performance
Note:
The floor scales MPE does not have any crucial features of performance
as per IEC 60601-1. The system may be subject to interference by other
devices even if these devices conform to current emission requirements as
per CISPR.
8.4 Minimum distances
Recommended safety distances between portable and mobile HF
telecommunication devices and the medical device
The floor scales MPE is designed for use in an electromagnetic environment in which HF disturbance
variables are controlled. The customer or user of the medical electrical device can help avoiding
electromagnetic disturbances by keeping the minimum distance between portable and mobile HF
telecommunication devices (transmitters) and the floor scales MPE – depending on the output
performance of the communication device, as stated below.
Rated capacity of
transmitter
W
The safety distance depends on the transmission frequency
m
150 kHz to 80 MHz
80 MHz to 800 MHz
800 MHz to 2.5 GHz
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.20
1.20
2.30
10
3.80
3.80
7.30
100
12.00
12.00
23.00
For transmitters with a maximum rated capacity not stated in the table above you can calculate the
recommended safety distance in metres (m) yourself by using the equation belonging to each column,
whereby P equals the maximum rated capacity of the transmitter in Watt (W) as per details provided
by the transmitter manufacturer.
NOTE 1 Higher frequency range applies to 80 MHz and 800 MHz.
NOTE 2 These guidelines may not be applicable in all cases.
The spread of electromagnetic variables is influenced by absorption and reflections in
buildings, objects and humans.
18 MPE_HM / MPE_PM-BA-e-1520

9 Transport and storage
9.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the
appliance itself when unpacking for possible visible damage.
9.2 Packaging / return transport
Keep all parts of the original packaging for a possibly required
return.
Only use original packaging for returning.
Prior to dispatch disconnect all cables and remove loose/mobile
parts.
Reattach possibly supplied transport securing devices.
Secure all parts such as the weighing platform, power unit etc.
against shifting and damage.
MPE_HM / MPE_PM-BA-e-1520 19

10 Unpacking, Setup and Commissioning
10.1 Installation Site, Location of Use
The balances are designed in a way that reliable weighing results are achieved in
common conditions of use.
You will work accurately and fast, if you select the right location for your balance.
On the installation site observe the following:
•Place scales on a stable, even surface;
•Avoid extreme heat as well as temperature fluctuation caused by installing
next to a radiator or in the direct sunlight;
•Protect the balance against direct draughts due to open windows and doors;
•Avoid jarring during weighing;
•Protect the balance against high humidity, vapours and dust;
•Do not expose the device to extreme dampness for longer periods of time.
Non-permitted condensation (condensation of air humidity on the appliance)
may occur if a cold appliance is taken to a considerably warmer environment.
In this case, acclimatize the disconnected appliance for ca. 2 hours at room
temperature.
•Avoid static charge of the balance and of the person to be weighed.
•Avoid contact with water.
Major display deviations (incorrect weighing results) may be experienced should
electromagnetic fields (e.g. due to mobile phones or radio equipment), static
electricity accumulations or instable power supply occur. Change location or remove
source of interference.
10.2 Unpacking
Remove the individual components of the balance or the complete balance from the
packaging with care and install at the intended location. When using the power pack,
ensure that the power cable does not produce a risk of stumbling.
20 MPE_HM / MPE_PM-BA-e-1520