KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@kern-sohn.com
Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Operation manual
Personal scales
KERN MPL
Version 1.0
2017-09
GB
MPL-BA-e-1710
2 MPL-BA-e-1710
GB
KERN MPL
Version 1.0 2017-09
Operation manual for personal scales
Contents
1 Technical data ................................................................................................... 3
1.1 Dimensions .............................................................................................................. 4
2 Declaration of conformity ................................................................................. 5
3 Appliance overview ........................................................................................... 6
3.1 Keyboard overview .................................................................................................. 7
3.2 Overview of display ................................................................................................. 7
4 Basic Information (General) ............................................................................. 8
4.1 Proper use ................................................................................................................ 8
4.2 Improper Use............................................................................................................ 8
4.3 Warranty ................................................................................................................... 8
5 Basic Safety Precautions .................................................................................. 9
5.1 Pay attention to the instructions in the Operation Manual ................................... 9
6 Transport and storage ...................................................................................... 9
6.1 Testing upon acceptance ........................................................................................ 9
6.2 Packaging ................................................................................................................. 9
7 Unpacking, Setup and Commissioning ......................................................... 10
7.1 Installation Site, Location of Use ...........................................................................10
7.2 Unpacking ...............................................................................................................11
7.3 Battery operation ....................................................................................................11
8 Adjustment ....................................................................................................... 12
9 Using the balance ............................................................................................ 13
9.1 Weighing .................................................................................................................13
9.2 Taring ......................................................................................................................14
9.3 Weighing units switch-over ...................................................................................14
9.4 BMI function ............................................................................................................15
10 Servicing, maintenance, disposal .............................................................. 16
10.1 Cleaning ..................................................................................................................16
10.2 Servicing, maintenance ..........................................................................................16
10.3 Disposal ...................................................................................................................16
11 Error messages ............................................................................................ 16
12 Instant help ................................................................................................... 16
MPL-BA-e-1710 3
1 Technical data
KERN MPL 200K-1P
Readability (d) 0.1 kg
Weighing range (max) 250 kg
Reproducibility 0.1 kg
Linearity 1 kg
Weighing Units kg, lb
Recommended
adjustment weight, (not
added, class)
250 kg (M1)
Stabilization time 2 sec.
Operating temperature 10° C …. + 40° C
Humidity of air max. 80 % (not condensing)
Battery
4 x 1.5 V AA
Operating time: 100 h
Display Digit height [mm] 28
Dimensions (W x D x H)
mm
350 x 418 x 950
Weighing surface 350 x 350
Weight kg (net) 3.8
4 MPL-BA-e-1710
1.1 Dimensions
MPL-BA-e-1710 5
2 Declaration of conformity
The current EC/EU Conformity declaration can be found online in:
www.kern-sohn.com/ce
6 MPL-BA-e-1710
3 Appliance overview
1 Display
2 Buttons
3 Weighing pan
Bottom of the balance
4 Adjustment button
5 Weighing unit switching kg↔lb
MPL-BA-e-1710 7
3.1 Keyboard overview
• Call up BMI function
• Confirm entry in menu
• Taring
• Scroll forward in menu
3.2 Overview of display
kg
Kilogram
HOLD
Hold function
Battery symbol
BMI
Body Mass Index
cm
Centimetre
8 MPL-BA-e-1710
4 Basic Information (General)
4.1 Proper use
This balance is used to calculate the weight of people in the private sphere.
Utilisation of this balance in the medical field is not permissible.
The weighing process requires that the person stands on the weighing plate in a way
that provides even weight distribution over the entire weighing plate. As soon as a
stable weighing value is reached the weighing value can be read.
4.2 Improper Use
Do not leave permanent load on the weighing pan. This may damage the measuring
system.
Take care to avoid impacts and overloading of balance above the specified maximum
load (max) under all circumstances. This could cause damage to the balance.
Never operate balance in explosive environment. The serial version is not explosion
protected.
The structure of the balance may not be modified. This may lead to incorrect
weighing results, safety-related faul ts and destruction of the balanc e.
The balance may only be used according to the described conditions. Other areas of
use must be released by KERN in writing.
4.3 Warranty
Warranty claims shall be voided in case
Our co nditions 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 installed or incorrectly electrically connected
The measuring system is overloaded
Dropping the balance
MPL-BA-e-1710 9
5 Basic Safety Precautions
5.1 Pay attention to the instructions in the Operation Manual
Attention:
Stepping on the edge of the weighing plate may cause tilting of balance or fall of
person.
Carefully read this operation manual before setup and
commissioning, even if you are already familiar with KERN balances.
6 T ransport and storage
6.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately,
and the appliance itself when unpacking for possible visible damage.
6.2 Packaging
Keep all parts of the original packaging in case you need to return the appliance.
Only use original packaging for returning.
10 MPL-BA-e-1710
7 Unpacking, Setup and Commis si oning
7.1 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.
Therefore, observe the following for the installation site:
- Place the balance on a firm, level 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 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.
The occurrence of electric fields or electrostatic charge may result in major display
deviations (incorrect weighing results). In that case, the location must be changed.
MPL-BA-e-1710 11
7.2 Unpacking
The delivery volume contains the balance, the operating manual and two screws for
assembly. As well as 4 batteries 1.5 V AA.
Assembly:
Place weighing plate on a stable, even surface
Insert tripod in the tripod holder (1) and fix it using the two screws (2) (see fig.)
7.3 Battery operation
The battery compartment is located at the rear side of the display unit. Open the
battery compartment and insert the four batteries according to fig..
The symbol on the display indicates a low battery. Replace batteries as
quickly as possible with a new set.
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.
12 MPL-BA-e-1710
8 Adjustment
As the acceleration value due to gravity is not the same at every location on earth,
each display unit with connected weighing plate must be coordinated - in compliance
with the underlying physical weighing principle - to the existing acceleration due to
gravity at its place of location (only if the weighing system has not already been
adjusted to the location in the factory). This adjustment process must be carried out
for the first commissioning, after each change of location as well as in case of
fluctuating environment temperature. To receive accurate measuring values it is also
recommended to adjust the display unit periodically in weighing operation.
Keep adjustment weight ready.
Incline the balance to a side.
Press the adjustment button at the lower side of the balance
and keep it pressed. During this time touch the weighing plate.
"CAL" appears on the display.
Place the balance again in a vertical position. Press the
weighing plate firmly until "0" appears flashing in the display.
Unload weighing plate. The required adjustment weight is
shown.
(example)
Place adjustment weight on the weighing plate. "CAL.F"
appears on the display.
Take away adjustment weight. Adjustment now has finished.
Should be displayed another message than "CAL.F", remove the adjustment weight
and repeat the process.
MPL-BA-e-1710 13
9 Using the balance
Step on the scales with bare feet. Try standing as still and upright as possible.
The weight of a person will be shown after a few seconds.
When the scales are not in use, they will switch off automatically after a few
seconds.
The typical weight of a person will vary over the day, and equally from
one day to the next. Minor weight variations are considered normal.
9.1 Weighing
The weighing scale offers two operating modes:
• Weighing with "Step-on" (stepping on the weighing plate)
• Weighing with "Tap-on" (tapping on the weighing plate)
Weighing with "Step on"
Step on the weighing plate After the self test "------" will appear
flashing briefly. The weighing value will be determined.
After that "Step off" appears. Leave the weighing plate.
After that the weighing value appears automatically and will be
"frozen". The „HOLD“ symbol appears.
(example)
To leave either
step again on the weighing plate, or
press any key, or
wait for Auto-Off
14 MPL-BA-e-1710
Weighing with "Tap on"
Tap on weighing plate briefly. After the self test appears the
zero display.
Step on scale. "------" will be briefly displayed flashing.
After that the weighing value is displayed automatically. The
„HOLD“ symbol appears flashing. The weighing value will be
frozen for a short time. Afterwards the scales will turn off
automatically.
(example)
To leave either
step again on the weighing plate, or
press any key, or
wait for Auto-Off
9.2 Taring
When the weight of the object is displayed, leave the weighing
plate and press .
"------" will be briefly displayed flashing
Next the zero display appears.
9.3 Weighing units switch-over
When the balance is switched off, shift the switch on the lower side to the right/ or to
the left. The weighing unit changes between kg↔lb.
MPL-BA-e-1710 15
9.4 BMI function
When the weight is displayed, press .
(example)
The most recently entered body height will be shown in cm.
(example)
Press and keep pressed. The value of the body height
increases. Press until the respective body height is
displayed, then release .
(example)
Press . The calculated BMI value of the person will be
displayed.
(example)
Classification of BMI values:
(same values for female and male)
Age Low Average High
< 24 < 19 19 - 24 > 2 4
25 - 34 < 20 20 - 25 > 25
35 - 44 < 21 21 - 26 > 26
45 - 54 < 22 22 - 27 > 27
55 - 64 < 23 23 - 28 > 28
> 64 < 24 24 - 29 > 29
16 MPL-BA-e-1710
10 Servicing, maintenance, dis pos al
10.1 Cleaning
Do not use aggressive cleaning agents (solvents or similar) but only a damp cloth
with mild soapsuds, or household cleaner. Ensure that no liquid gets inside the unit
and rub with a soft, dry cloth.
Loose dirt can be removed carefully with a brush or hand-held vacuum cleaner.
Balance must not be tilted or rotat ed for clea n i ng , as damag e may oc cur .
Remove dirt immediately.
10.2 Servicing, maintenance
The appliance may only be opened by trained service technicians who are authorized
by KERN.
10.3 Disposal
Disposal of packaging and appliance must be carried out by operator according to
valid national or regional law of the location where the appliance is used.
11 Error messages
“Err“ on the display indicates that the weighing range has been exceeded. Please
take the weight off the scales.
12 Instant help
Fault Possible cause
The displayed weight is
permanently changing
• Draught/air movement
• Table/floor vibrations
• Weighing plate has contact with other objects
• Electromagnetic fields / static charging (choose
different location/switch off interfering device if
possible)
The weighing result is
obviously incorrect
• The display of the balance is not at zero
• Great fluctuations in temperature.
• Electromagnetic fields / static charging (choose
different location/switch off interfering device if
possible)
If the error message remains, inform man u fac tur er .
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