KERN MCB 300K100NM User manual

KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
email: [e-mail]
Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Operating instructions
Medical chair scales
Medical personal scales
KERN MCB, MPT
Type MCB 300K100NM
Type MPT 300K100NM
Version 1.1
2017-12
GB
MCB_MPT-BAPS-e-1711

2 MCB_MPT-BAPS-e-1711
GB
KERN MCB, MPT
Version 1.1 2017-12
Operating instructions chair scales, personal
scales
Table of Contents
1Technical Data ............................................................................................... 4
2Declaration of conformity ............................................................................. 5
3Basic Information (General).......................................................................... 5
3.1 Proper use................................................................................................................................. 5
3.2 Improper Use ............................................................................................................................ 6
3.3 Warranty.................................................................................................................................... 6
3.4 Monitoring of Test Resources................................................................................................. 6
4Basic Safety Precautions.............................................................................. 7
4.1 Pay attention to the instructions in the Operation Manual.................................................. 7
5Appliance overview ....................................................................................... 7
6Overview of displays..................................................................................... 8
7Keyboard overview........................................................................................ 9
8Transportation & Storage............................................................................ 10
8.1 Testing upon acceptance ...................................................................................................... 10
8.2 Packaging / return transport ................................................................................................. 10
9Unpacking, Setup and Commissioning ..................................................... 11
9.1 Place of installation / place of operation.............................................................................. 11
9.2 Unpacking ............................................................................................................................... 11
9.3 Scope of delivery chair scales.............................................................................................. 12
9.4 Installing the chair scales...................................................................................................... 12
9.4.1 Levelliing................................................................................................................................... 13
9.5 Scope of delivery, personal scales....................................................................................... 14
9.6 Installing the personal scales ............................................................................................... 14
9.7 Assemble the wall bracket .................................................................................................... 14
9.8 Attaching an optional stand (only MPT)............................................................................... 15
9.9 Battery operation.................................................................................................................... 15
9.10 Operation using a rechargeable battery (optional)............................................................. 17
9.10.1 Battery operation.................................................................................................................. 17
9.10.2 Rechargeable battery operation (optional)........................................................................... 20
9.11 Connecting the power supply............................................................................................... 22
9.12 Initial Commissioning ............................................................................................................ 22
10 Menu overview............................................................................................. 23
11 Operation...................................................................................................... 24
11.1 Weighing ................................................................................................................................. 24
11.2 Taring....................................................................................................................................... 25
11.3 Hold function (Standstill function) ....................................................................................... 25
11.4 Calculation of the Body Mass Index..................................................................................... 26
11.4.1 Classification of BMI values................................................................................................. 27
11.5 PRE-TARE function................................................................................................................ 27
11.5.1 PRE-TARE function with 5 memories.................................................................................. 28
11.6 Print function .......................................................................................................................... 30

MCB_MPT-BAPS-e-1711 3
11.6.1 Interface parameters for RS232 (only MPT)........................................................................ 30
12 Service, maintenance, disposal.................................................................. 31
12.1 Cleaning .................................................................................................................................. 31
12.2 Cleaning / Disinfecting........................................................................................................... 31
12.3 Sterilisation............................................................................................................................. 31
12.4 Service, maintenance............................................................................................................. 31
12.5 Disposal................................................................................................................................... 31
13 Error messages............................................................................................ 32
14 Instant help................................................................................................... 32
14.1 Adjustment.............................................................................................................................. 33
14.2 Adjustment controls and seals............................................................................................. 35
14.2.1 Menu overview in service mode (adjustment switch in adjustment position) ...................... 36
14.3 Navigation in the menu.......................................................................................................... 37
14.3.1 Exit menu and save.............................................................................................................. 37
14.4 Menu overview:....................................................................................................................... 38

4 MCB_MPT-BAPS-e-1711
1 Technical Data
KERN MCB 300K100NM MPT 300K100NM
Trademark MCB 300K100M MPT 300K100M
Readability (d) 100 g
Weighing range (max) 300 kg
Recommended adjustment weight,
(Class) 300 kg (M1)
Weighing Units kg
Stabilization time (typical) 2-3 sec.
Warm-up time 10 min
Electric Supply
Supply voltage: 100 V – 240 V AC 50/60 Hz
Mains adapter: 15 V / 300 mA (EN60601-1)
Battery operation: 6 x 1,5 V size AA
Service life 50 h
Auto Off After 3 min without load change (adjustable)
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 647 x 860 x 910 340 x 450 x 90
Dimensions display unit
(B x D x H) mm 210 x 110 x 50
Dimensions seating surface /
Weighing platform 465 x 530 x 410 340 x 450 x 90
Weight kg (net) 21.4 8,5
Rechargeable battery operation
(optional)
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

MCB_MPT-BAPS-e-1711 5
2 Declaration of conformity
To view the current EC/EU Declaration of Conformity go to:
www.kern-sohn.com/ce
3 Basic Information (General)
3.1 Proper use
The scales are used for determining body weights of people in sitting or standing
position.
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.
The chair scales may not be used for the transport of people!
As long as the person 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!

6 MCB_MPT-BAPS-e-1711
3.2 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.
Do not use the scales for determining body weight in medicine.
3.3 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
3.4 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-BAPS-e-1711 7
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
balances.
5 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

8 MCB_MPT-BAPS-e-1711
Personal scales MPT Chair scales MCB
1. Weighing plate
2. Bubble level
3. Height adjustable rubber feet
4. Gripping handle
5. Display unit
6 Overview of displays
Type MPT 300K100NM Type MCB 300K100NM
Display Designation Description
Stability display Scales are in a steady state
Zeroing display Should the balance not display exactly
zero despite empty scale pan, press the
button. Your balance will be set to zero
after a short standby time.
Power supply connected Illuminates in the event of power supply via
mains adaptor
2
0

MCB_MPT-BAPS-e-1711 9
BMI function active Calculated BMI value
HOLD function active Hold/Save function active
´
PRE-Tare function active Preset tare value is enabled
Net weight display Net weight will be displayed
Weight value display Current weight value will be displayed
7 Keyboard overview
Button Designation Function
ON/OFF-
switch Turn on/off
PRINT button Data transfer via interface
BMI button Calculation of the Body Mass Index
HOLD button Hold function/Calculation of a stable weight value
Zero setting
key Balance will be reset to 0.0 kg. Possible up to max. 2% of maximum load for
verified scales or 2 % or 100% of maximum load for
all other scales (selectable via menu)
Save button Retrieve memory 1-5
Pretare
button Call tare function with defined values
Tare button Tare balance
OFF
ON
PRINT
BMI
HOLD
PRE-
TARE
TARE

10 MCB_MPT-BAPS-e-1711
CLEAR
button This deletes manual number entry
ENTER-key Import of numeric entry
… Numeric keys Numeric entry
8 Transportation & Storage
8.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the
appliance itself when unpacking for possible visible damage.
8.2 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.
CLEAR
ENTER

MCB_MPT-BAPS-e-1711 11
9 Unpacking, Setup and Commissioning
9.1 Place of installation / place of operation
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, vapors 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. In that case, the location
must be changed.
9.2 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.

12 MCB_MPT-BAPS-e-1711
9.3 Scope of delivery chair scales
Balance
Operating instructions
Mains adapter
9.4 Installing the chair scales
In delivery state the balance is adjusted in a manner that when placed on an
even surface the air bubble of the water balance is in the prescribed circle.
To check place scales on an even surface.
Check if the air bubble of the level is within the prescribed circle.
If the air bubble in the level is not within the prescribed circle, the
wheel height has to be adjusted, see chap. 9.4.1.
Check levelling regularly.

MCB_MPT-BAPS-e-1711 13
9.4.1 Levelliing
•The wheel height has to be adjusted for levelling.
•Levelling is restricted to specialist staff possessing well acquainted
with the workings of weighing scales.

Place scales on an even surface.

Arrest the brake
Turn the wheel (1) clockwise until the air bubble of the water balance
is in the prescribed circle
Screw counternut (2) upwards till to the stop and it with a suitable
tool (e.g. pliers).
Gap width must not exceed 15 mm!

14 MCB_MPT-BAPS-e-1711
9.5 Scope of delivery, personal scales
Balance
Operating instructions
Mains adapter
Wall bracket
4 rubber feet
9.6 Installing the personal scales
Place scales on an even
surface
Level balance with foot
screws until the air
bubble of the water
balance is in the
prescribed circle.
9.7 Assemble the wall bracket

MCB_MPT-BAPS-e-1711 15
9.8 Attaching an optional stand (only MPT)
Secure circular plate with
screws on the aluminium
section
Secure wall fixing device
with screws at the top on
the aluminium section
Remove the two lateral
rubber plugs from the
display unit.
Secure the display unit with
the two rotary knobs to the
fixing device.
Position display unit with
the rotary knobs.
Secure cable with cable
clips
9.9 Battery operation
On models where the back of the display unit is not directly accessible, remove the
two black rotary knobs from both sides of the display unit in order to open the battery
compartment and remove the display unit from the holder.
Remove the battery cover
[2] from the underside of the
scales
Take out the battery holder
Insert 6 batteries (1.5 V AA)

16 MCB_MPT-BAPS-e-1711
Ensure that the batteries are
inserted in the correct
direction
Insert the battery holder with
the inserted batteries in the
display unit
Close the battery cover
If the batteries are run down, "LO" appears in the display.
To turn off scales, press the button and immediately change
the batteries.
If the balance is not used for a longer time, take out the batteries
and store them separately. Leaking battery liquid could damage
the balance.
OFF
ON

MCB_MPT-BAPS-e-1711 17
9.10 Operation using a rechargeable battery (optional)
In devices with an optional rechargeable battery operation:
9.10.1 Battery operation
On models where the back of the display unit is not directly accessible, remove the
two black rotary knobs from both sides of the display unit in order to open the battery
compartment and remove the display unit from the holder.
Lift-
off the battery cover on the lower
side of the balance
Connection CN 3 for
rechargeable battery
Connection CN 4 for
batteries (AA x 6)

18 MCB_MPT-BAPS-e-1711
Carefully take out the battery holder
(1)
Insert 6 batteries (AA).
Ensure that the batteries are
inserted in the correct direction
Insert battery holder with the inserted
batteries into the display unit
Ensure that the cables are not
squeezed

MCB_MPT-BAPS-e-1711 19
Close the battery cover
If the batteries are run down, "LO" appears in the display. To turn
off, press the button and immediately change the batteries.
If the balance is not used for a longer time, take out the batteries
and store them separately. Leaking battery liquid could damage
the balance.
OFF
ON

20 MCB_MPT-BAPS-e-1711
9.10.2 Rechargeable battery operation (optional)
When an optional rechargeable battery is used, proceed as follows:
On models where the back of the display unit is not directly accessible, remove the
two black rotary knobs from both sides of the display unit in order to open the battery
compartment and remove the display unit from the holder.
Lift-
off the battery cover on the lower
side of the balance
Carefully take out the battery holder
(1)
Carefully pull-out plug (2) from the
connection CN 4 (3)
1