KERN & SOHN MCB 300K100M User Manual
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
email: info@kern-sohn.com
Phone: +49-[0]7433- 9933-0
Internet: www.kern-sohn.com
Operating instructions
Medical personal scales
KERN MCB, MPT
Version 1.8
03/2014
Medical chair scales
GB
Fax: +49-[0]7433-9933-149
MCB_MPT-BA-e-1418
GB
KERN MCB, MPT
scales
Version 1.8 03/2014
Operating instructions chair scales, personal
able of Contents
T
1 Technical Data ............................................................................................... 4
2 Declaration of conformity ............................................................................. 5
2.1 Explanation of the graphic symbols ....................................................................................... 5
3 Basic Information (General) .......................................................................... 7
3.1 Specific function ....................................................................................................................... 7
3.2 Proper use ................................................................................................................................. 7
3.3 Improper Use............................................................................................................................. 8
3.4 Warranty .................................................................................................................................... 9
3.5 Monitoring of Test Resources ................................................................................................. 9
4 Basic Safety Precautions ............................................................................ 10
4.1 Pay attention to the instructions in the Operation Manual ................................................ 10
4.2 Personnel training .................................................................................................................. 10
4.3 Preventing contamination ..................................................................................................... 10
5 EMC guidance and manufacturer's declaration ........................................ 11
6 Appliance overview ..................................................................................... 15
7 Overview of displays ................................................................................... 17
8 Keyboard overview ...................................................................................... 18
9 Transportation & Storage ............................................................................ 19
9.1 Testing upon acceptance ...................................................................................................... 19
9.2 Packaging / return transport ................................................................................................. 19
10 Unpacking, Setup and Commissioning ..................................................... 20
10.1 Place of installation / place of operation .............................................................................. 20
10.2 Unpacking ............................................................................................................................... 20
10.3 Scope of delivery chair scales .............................................................................................. 20
10.4 Installing the chair scales ...................................................................................................... 21
10.4.1 Levelliing............................................................................................................................... 22
10.5 Scope of delivery, personal scales ....................................................................................... 23
10.6 Installing the personal scales ............................................................................................... 23
10.7 Assemble the wall bracket ..................................................................................................... 23
10.8 Attaching an optional stand .................................................................................................. 24
10.9 Battery operation .................................................................................................................... 24
10.10 Operation using a recha rgeable battery (optional) ............................................................. 26
10.10.1 Battery operation .................................................................................................................. 27
10.10.2 Rechargeable battery operation (optional) ........................................................................... 29
10.11 Connecting the power supply ............................................................................................... 31
10.12 Initial Commissioning ............................................................................................................ 31
2 MCB_MPT-BA-e-1418
11 Menu overview ............................................................................................. 32
12 Operation ...................................................................................................... 33
12.1 Weighing ................................................................................................................................. 33
12.2 Taring ....................................................................................................................................... 33
12.3 Hold function (Standstill function) ....................................................................................... 34
12.4 Calculation of the Body Mass Index ..................................................................................... 35
12.4.1 Classification of BMI values ................................................................................................. 36
12.5 PRE-TARE function ................................................................................................................ 37
12.5.1 PRE-TARE function with 5 memories .................................................................................. 38
12.6 Print function .......................................................................................................................... 40
12.6.1 Interface parameters for RS232 ........................................................................................... 41
13 Service, maintenance, disposal .................................................................. 42
13.1 Cleaning................................................................................................................................... 42
13.2 Cleaning/disinfection ............................................................................................................. 42
13.3 Service, maintenance ............................................................................................................. 42
13.4 Disposal ................................................................................................................................... 42
14 Error messages ............................................................................................ 43
15 Instant help ................................................................................................... 44
16 Verification ................................................................................................... 45
16.1 Adjustment .............................................................................................................................. 45
16.2 Adjustment controls and seals ............................................................................................. 47
16.3 Checking the balance verification settings ......................................................................... 48
16.3.1 Menu overview in service mode (adjustment switch in adjustment position) ..................... 48
16.4 Navigation in the menu .......................................................................................................... 49
16.4.1 Exit menu and save .............................................................................................................. 49
16.5 Verification validity period (current status in G) ................................................................. 52
MCB_MPT-BA-e-1418 3
1 Technical Data
Battery operation: 6 x 1,5 V size AA
Service life 50 h
Service life 50 h
(B x D x H) mm
KERN MCB 300K100M MPT 300K100M
Readability (d) 100 g
Weighing r ange (max) 300 kg
Minimum weight (min) 2 kg
Verification value (e) 100g
Verification class III
Recommended adjustment weight,
(Class)
Weighing Units kg
Stabilization time (typical) 2-3 sec.
Warm-up time 10 min
Supply voltage: 100 V – 240 V AC 50/60 Hz
Electric Supply
Auto Off After 3 min without load change (adjust able)
Operating temperature + 5°C … + 35°C
Storage temperature - 20°C … + 60°C
Humidity of air max. 80 % (not condensing)
Dimensions (B x D x H) mm 630 x 850 x 960 340 x 450 x 90
Mains adapter: 15 V / 300 mA (EN60601-1)
300 kg
(M1)
Dimensions display unit
Dimensions seating surface /
Weighing plat form
Weight kg (net) 26 8,5
Calibrated in accordance with
2009/23/EC
Medical product in accordance with
93/42/EEC
Rechargeable battery operation
(optional)
4 MCB_MPT-BA-e-1418
210 x 110 x 50
380 x 360 340 x 450 x 90
Medical grade III
Category I with measuring function
Loading time: 14 h;
operating time: 50 h;
7.2 V / 2000 mA
Loading time: 14 h;
operating time: 50 h;
7.2 V / 2000 mA
This EEC verification mark indicates that t hes e scales ar e in
are approved for medical purposes within the European Union.
Designation of the serial number of every device, applied at the
Number here as example
2014-03
Identification of the m anufacturing date of t he m edical produc t .
“Please note the accompanying documents“
www.kern-sohn.com
Identification of manufacturer of medical product including
M
year
2 Declaration of c onf ormity
Declaration of conformity: See separate document showing serial number of device
CE marking:
0297
93/42/EEC
0103
2009/23/EC
Non-automatic Weighing Instruments Directive
2.1 Explanation of the graphic symbols
conformit y with EEC Directive 2009/23/EC for Non-Automatic
Weighing Instruments.
SN WOC 14000100
device and on the packaging
Weighing inst ruments bearing this mark
Year and month here as example
or “Observe operating instruct ions”
address
Kern & Sohn GmbH
D–72336 Baligen,Germany
MCB_MPT-BA-e-1418 5
Please note operating instructions
Please note operating instructions
“Electro-medical appliance“
Device protection category II
Dispose of old appliances separately from your household waste
Instead, take them to c om m unal collect ion points .
+70°C
-30°C
15 V DC / 300 mA
with attachment for type B
!!!
Temperature limit indicating the upper and the lower limit
(storage temperatur e on packaging)
(Temperature serving as an example)
Display of supply voltage for scales with polarity display
(Polarity and values serving as an example)
6 MCB_MPT-BA-e-1418
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.”
Indication
Determining the body weight in the medical practice area.
be read after a steady display value has been achieved.
Contra-
No contraindication known.
Scales fitted with a serial interface may only be connected to
3 Basic Information (General)
Weighing instruments have to be verified for the purposes stated
below in accordance with Directive 2009/23/EC.
3.1 Specific function
To be used as “non-automatic weighing instruments“, that is,
a person will step or sit down carefully onto the centre of the
seating surface or weighing platform. The weighing value can
indication
3.2 Proper use
These scales serve as a means of determining the weight of people in a seated or
standing position, in medical treatment rooms. The scales are suitable for
recognising, preventing and controlling illnesses.
appliances in compliance with Directive EN60601-1.
The person to be weighed should be seated in the centre of the seating surface or
step onto the weighing platform and sit or stand still.
As soon as a stable weighing value is reached the weighing value can be read.
The scales are designed for long-term usage.
Scales may only be used for people who are able to sit or stand
still.
The balances should be checked for correct condition prior to each utilisation by a
person familiar with proper operation of the balance.
MCB_MPT-BA-e-1418 7
When the scale doesn’t connect with the transmission cable,
please do not touch the transmission port to prevent ESD
interference occurs.
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.
Do not step onto the foot rests when stepping or leaving the
chair scales!
3.3 Improper Use
Do not use these scales for dynamic weighing processes.
Do not leave continuous loads on the seating surface or weighing plate. This may
damage the measuring system.
Impacts and overloading exceeding the stated maximum load (max) of the seating
surface or 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.
Do not modify the construction of the scales. This may lead to incorrect weighing
results, safety-related faults and destruction of the balances.
The balances may only be used according to the described conditions. Other areas
of use must be released by KERN in writing.
8 MCB_MPT-BA-e-1418
3.4 Warranty
Warranty claims shall be voided in case
Our conditions in the operation manual are ignored
The appliance is used outside the described uses
Modification or opening of appliances
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 of scales
3.5 Monitoring of Test Resources
In the framework of quality assurance the measuring-related weighing properties of
the balances 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.
MCB_MPT-BA-e-1418 9
To prevent cross-contamination (fungal skin infections, …), clean the seating surface
contamination (e. g. after weighing that involves direct skin contact).
4 Basic Safety Precautions
4.1 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
4.2 Personnel training
The medical staff must apply and follow the operating instructions for proper use and
care of the product.
balances.
Versions in other languages are non-
binding translations.
The only binding version is the original
document in German.
4.3 Preventing contamination
or weighing platform every time.
Recommendation: after a weighing procedure that could potentially result in
10 MCB_MPT-BA-e-1418
Guidance and manufacturer’s declaration-electromagnetic emissions
The MCB 300K100M, MPT 300K100M is intended for use in the
Electromagnetic environmentguidance
RF emissions
Group 1
The MCB 300K100M, MPT 300K100M
Class B
The MCB 300K100M, MPT 300K100M is
Harmonic
61000-3-2
Class A
Voltage
Compliance
5 EMC guidance and manufacturer's declaration
electromagnetic environment specified below.
The customer or the user of the MCB 300K100M, MPT 300K100M should
assure that it is used in such an environment.
Emission test Compliance
CISPR 11
RF emissions
CISPR 11
emissions IEC
fluctuations
/flicker emissions
IEC 61000-3-3
uses RF energy only for its internal
function. Therefore, its RF emissions are
very low and are not likely to cause any
interference in nearby electronic
equipment.
suitable for use in all establishments,
including domestic establishments and
those directly connected to the public
low-voltage power supply network that
supplies buildings used for domestic
purposes.
MCB_MPT-BA-e-1418 11
Guidance and manufacturer’s declaration-electromagnetic immunity
Electrostatic
± 6 kV contact
± 6 kV contact
Floors should be wood,
Electrical fast
± 2kV for power
± 2kV for power
Mains power quality should be
Surge IEC 61000-4-5
± 1kV line(s) to line(s)
± 1kV differential
Mains power quality should be
Voltage Dips, short
<5% UT(>95% dip in
<5% UT(>95% dip in
Mains power quality should be
Power frequency(50/60
3 A/m
3 A/m
MCB 300K100M, MPT
NOTE UT is the a.c. mains voltage prior to application of the test level.
The MCB 300K100M, MPT 300K100M is intended for use in the electromagnetic environment
specified below.
The customer or the user of the MCB 300K100M, MPT 300K100M should assure that it is used in
such an environment.
Immunity test
discharge(ESD)
IEC 61000-4-2
transient/burst IEC 610004-4
interruptions and voltage
variations on power supply
input lines IEC 61000-4-11
IEC 60601 test
level
± 8 kV air
supply lines + 1kV for
input/output lines
± 2kV line(s) to earth
UT) for 0,5 cycle 40%
UT(60% dip in UT) for
5 cycles 70% UT(30%
dip in UT) for 25
cycles <5% UT(>95%
dip in UT) for 5 s
Compliance level
± 8 kV air
supply lines Not
applicable
mode Not applicable
UT) for 0,5 cycle 40%
UT(60% dip in UT) for
5 cycles 70% UT(30%
dip in UT) for 25
cycles <5% UT(>95%
dip in UT) for 5 s
Electromagnetic
environment-guidance
concrete or ceramic tile. If floors
are covered with synthetic
material, the relative humidity
should be at least 30%
that of a typical commercial or
hospital environment.
that of a typical commercial or
hospital environment.
that of a typical commercial or
hospital environment. If the
user of the MCB 300K100M,
MPT 300K100M
requires continued operation
during power mains
interruptions, it is
recommended that the MCB
300K100M, MPT 300K100M
be powered from an
uninterruptible power supply or
a battery.
Hz) magnetic field IEC
61000-4-8
12 MCB_MPT-BA-e-1418
300K100M
power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical commercial
or hospital environment.
The MCB 300K100M, MPT 300K100M is intended for use in the electromagnetic environment
Portable and mobile RF communications
Guidance and manufacturer’s declaration-electromagnetic immunity
specified below.
The customer or the user of the MCB 300K100M, MPT 300K100M should assure that is used in
such and environment.
Immunity test IEC 60601 test level Compliance level Electr omagnetic environment-guidance
Conducted RF
IEC 61000-4-6
Radiated RF IEC
61000-4-3
3 Vrms
150 KHz to 80 MHz
3 V/m 80MHz to
2,5 GHz
3 Vrms
3 V/m
equipment should be used no closer to
any part of the MCB 300K100M, MPT
300K100M
including cables, than the recommended
separation distance calculated from the
equation applicable to the frequency of
the transmitter.
Recommended separation distance:
d = 1,2 √P
d = 1,2 √P 80MHz to 800 MHz
d = 2,3 √P 800MHz to 2,5 GHz
Where P is the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufacturer
and d is the recommended separation
distance in metres (m).
Field strengths from fixed RF transmitters,
as determined by an electromagnetic site
survey
compliance level in each frequency
range
Interference may occur in the vicinity of
equipment marked with the following
symbol:
a
, should be less than the
b
.
NOTE1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
a Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and
land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted
theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an
electromagnetic site survey should be considered. If the measured field strength in the location in which
the MCB 300K100M, MPT 300K100M is used exceeds the applicable RF compliance level above, the
MCB 300K100M, MPT 300K100M should be observed to verify normal operation. If abnormal
performance is observed, additional measures my be necessary, such as re-orienting or relocating the
MCB 300K100M, MPT 300K100M
b Over the frequency range 150 kHz to 80 MHz, field strengths should be les than 3 V/m.
MCB_MPT-BA-e-1418 13
The MCB 300K100M, MPT 300K100M is intended for use in an electromagnetic environment in which radiated
Rated maximum output
Separation distance according to frequency of transmitter m
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in
and reflection from structures, objects and people.
Recommended separation distance between
portable and mobile RF communications equipment and the MCB 300K100M, MPT 300K100M
RF disturbances are controlled. The customer or the user of the MCB 300K100M, MPT 300K100M can help
prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the MCB 300K100M, MPT 300K100M as recommended below,
according to the maximum output power of the communications equipment.
power of transmitter
W
0,01 0,12 0,12 0,23
0,1 0,38 0,38 0,73
1 1,2 1,2 2,3
150 kHz to 80 MHz
d =1,2√P
80 MHz to 800 MHz
d =1,2√P
800 MHz to 2,5 GHz
d =2,3√P
10 3,8 3,8 7,3
100 12 12 23
metres (m) can be estimated using the equation applicable to the frequency of the transmitter, where p is the
maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer.
NOTE1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption
14 MCB_MPT-BA-e-1418
5
4
3
2
1
6
6 Appliance overview
Chair scales MCB
1. Gripping handles
2. Folding arm rests
3. Seating surface
4. Locking castors
5. Foot rests
6. Display unit at rear
MCB_MPT-BA-e-1418 15
5
4
3
2
1
2
Personal scales MPT
1. Weighing plate
2. Bubble level
3. Height adjustable rubber feet
4. Gripping handle
5. Display unit
16 MCB_MPT-BA-e-1418
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