KERN & SOHN MBC 20K10M User 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
Internet: www.kern-sohn.com
Operating instructions
Baby scale
KERN MBC-M
Version 1.2
01/2013
GB
MBC-M-BA-e-1312
GB
KERN MBC-M
Version 1.2 01/2013
Operating instructions
Baby scale
Contents
1 Technical data ................................................................................................ 4
2 Declaration of conformity ............................................................................. 5
2.1 Explanation of the graphic symbols ....................................................................................... 5
3 Appliance overview ....................................................................................... 7
3.1 Overview of display .................................................................................................................. 8
3.2 Keyboard overview ................................................................................................................... 9
4 Basic Information (General) ........................................................................ 10
4.1 Specific function ..................................................................................................................... 10
4.2 Proper use ............................................................................................................................... 10
4.3 Improper Use .......................................................................................................................... 11
4.4 Warranty .................................................................................................................................. 11
4.5 Monitoring of Test Resources ............................................................................................... 11
5 Basic Safety Precautions ............................................................................ 12
5.1 Pay attention to the instructions in the Operation Manual ................................................ 12
5.2 Personnel training .................................................................................................................. 12
5.3 Preventing contamination ..................................................................................................... 12
6 Electromagnetic compatibility (EMC) ......................................................... 13
6.1 General hints ........................................................................................................................... 13
6.2 Electromagnetic interferences .............................................................................................. 14
6.3 Electromagnetic noise immunity .......................................................................................... 15
6.3.1 Crucial features of performance ............................................................................................... 17
6.4 Minimum distances ................................................................................................................ 17
7 Transport and storage ................................................................................. 18
7.1 Testing upon acceptance ...................................................................................................... 18
7.2 Packaging / return transport ................................................................................................. 18
2 MBC-M-BA-e-1312
8 Unpacking, Setup and Commissioning ..................................................... 19
8.1 Installation Site, Location of Use .......................................................................................... 19
8.2 Unpacking ............................................................................................................................... 19
8.3 Scope of delivery .................................................................................................................... 20
8.4 Placing ..................................................................................................................................... 20
8.5 Battery operation is possible by obtaining an optional battery power pack. .................. 21
8.6 Mains connection ................................................................................................................... 22
8.7 Initial Commissioning ............................................................................................................ 22
9 Operation ...................................................................................................... 23
9.1 Weighing ................................................................................................................................. 23
9.2 Taring ....................................................................................................................................... 23
9.3 Hold function (Standstill function) ....................................................................................... 24
9.4 Feeding function (control of weight gain)............................................................................ 25
9.5 Show another decimal place (not verified value) ................................................................ 25
9.6 Use the optional size measurement device ......................................................................... 26
10 Menu ............................................................................................................. 27
10.1 Navigation in the menu .......................................................................................................... 27
10.2 Menu overview ........................................................................................................................ 28
11 Error messages ............................................................................................ 29
12 Service, maintenance, disposal .................................................................. 30
12.1 Cleaning .................................................................................................................................. 30
12.2 Cleaning / disinfecting ........................................................................................................... 30
12.3 Service, maintenance ............................................................................................................. 30
12.4 Disposal ................................................................................................................................... 30
13 Instant help ................................................................................................... 31
14 Verification ................................................................................................... 32
14.1 Verification validity period (current status in G) ................................................................. 33
15 Adjustment ................................................................................................... 34
MBC-M-BA-e-1312 3
1 Technical data
KERN
MBC 15K2DM
MBC 20K10M
Weighing range (max)
6 kg / 15 kg
20 kg
Minimum load (Min)
40 g / 100 g
200 g
Readability (d)
2 g / 5 g
10 g
Verification value (e)
2 g / 5 g
10 g
Reproducibility
2 g / 5 g
10 g
Linearity ±
2 g / 5 g
10 g
Display
LCD with 25mm high digits
Recommended
adjustment weight, not
added (class)
15 kg
(M1)
20 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)
Input Voltage
220 V – 240 V AC, 50 Hz
Auto Off
After “x“ min adjustable without load change
Dimensions fully mounted
(W x D x H) mm
890 x 460 x 170
(incl. integrated height measuring device)
Dimensions display unit
(BxHxT) mm
200 x 125 x 58
Baby weighing pan
(WxDxH) mm
600 x 280 x 55
Weight kg (net)
5.5
Rechargeable battery
operation
optional
Verification according to
2009/23/EG
Medical grade III
Medical product in
accordance with
93/42/EEC
Category I with measuring function
Height measuring rod,
(optional)
Measuring range: 40 - 80 cm
4 MBC-M-BA-e-1312
2 Declaration of conformity
0297
93/42/EEC
2009 / 23 / EG
Non-automatic Weighing Instruments Directive
This EC verification mark indicates that these scales are in
conformity with EC Directive 2009 / 23 / EC for NonAutomatic Weighing Instruments. Weighing instruments
bearing this mark are approved for medical purposes within the
European Union.
WF 132795
Designation of the serial number of every device, applied at the
device and on the packaging
(Number as an example)
2012-10
Identification of the manufacturing date of the medical product.
(Year and month here as example)
“Please note the accompanying documents“
or “Please note operating instructions”
“Please note operating instructions”
“Please note operating instructions”
M
year
0103
Declaration of conformity: see separate document showing serial number of device
CE marking:
2.1 Explanation of the graphic symbols
MBC-M-BA-e-1312 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.
6 MBC-M-BA-e-1312
3 Appliance overview
1. Height measuring rod (optional)
2. Bubble level
3. Display Unit
4. LED
5. Baby weighing pan
6. Weighing pan
7. Rubber feet (height adjustable)
8. Mains connection
9. Battery compartment
10. RS232
MBC-M-BA-e-1312 7
3.1 Overview of display
Display
Description
Description
GROSS
Gross weight display
Lights up during indication of the gross
weight of the baby (after drinking)
NET
Net weight display
Lights up during indication of the net weight
of the baby (before drinking)
Illuminated after weighing scale was tared
ZERO
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.
STABLE
Stability display
Scales are in a steady state
DRINK
DRINK function
Is displayed with active drink function
HOLD
HOLD function
Is displayed with active hold function
Rechargeable battery
symbol
Lights when the voltage drops below the
prescribed minimum.
Lights when the rechargeable battery
capacity is almost exhausted.
Lights when the rechargeable battery is
fully charged.
8 MBC-M-BA-e-1312
3.2 Keyboard overview
Key
Description
Function
ON/OFF-switch
Turn on/off
Zeroing key
Weighing scale will be reset to „0.0“ kg.
For numeric entry:
Change decimal place
HOLD button
Hold function
TARE button
Tare balance
Feeding Function
key
Differential weighing before and after the baby drinks
The net weight of the baby will be shown:
Before drinking
In menu:
Call up menu
How to select menu items
For numeric entry:
Edit numeric value
The gross weight is displayed:
After drinking
In menu:
Confirm selection
For numeric entry:
Confirm numerical value
MBC-M-BA-e-1312 9
4 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.”
Indication
Determining the body weight in the medical practice area.
Operated as “non-automatic weighing instrument” which
means that you have to carefully put he baby in the centre of
the weighing pan. Once a steady display value is shown, you
can read the weight value.
Contra-
indication
No contraindication known
Scales fitted with a serial interface may only be connected to
appliances in compliance with Directive EN60601-1.
To prevent babies lying on the weighing pan from falling off the
scale, they must be watched all the time. Please observe note
on weighing pan!
4.1 Specific function
4.2 Proper use
These scales serve as a means of determining the weight of babies in medical
treatment rooms. The scales are suitable for recognising, preventing and controlling
illnesses.
10 MBC-M-BA-e-1312
4.3 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.
4.4 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
4.5 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.
For balances with height measuring rods, we recommend a metrological examination
of the accuracy of the height measuring rod, however, this is not mandatory as the
determination of human body height involves rather large, intrinsic inaccuracies.
MBC-M-BA-e-1312 11
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