KERN & SOHN FKTF User Manual
KERN & Sohn GmbH
Ziegelei 1
E-Mail: info@kern-sohn.com
Tel: +49-[0]7433- 9933-0
Internet: www.kern-sohn.com
Operating instructions
Finished packaging regulations scale
KERN FKTF
Version 1.1
01/2015
GB
D-72336 Balingen
Fax: +49-[0]7433-9933-149
FKTF-BA-e-1511
KERN FKTF
Finished packaging regulations scale
GB
Version 1.1 01/2015
Operating Instructions
Contents
1 Technical Data ........................................................................................................... 3
2 Basic Information (General) ..................................................................................... 7
2.1 Proper use .............................................................................................................................................. 7
2.2 Improper Use ......................................................................................................................................... 7
2.3 Warranty ................................................................................................................................................. 7
2.4 Monitoring of Test Resources ............................................................................................................. 7
3 Basic Safety Precautions ......................................................................................... 8
3.1 Pay attention to the instructions in the Operation Manual ............................................................... 8
3.2 Personnel training ................................................................................................................................. 8
4 Transportation & Storage ......................................................................................... 8
4.1 Testing upon acceptance ..................................................................................................................... 8
4.2 Packaging / return transport ................................................................................................................ 8
5 Unpacking, Setup and Commissioning ................................................................... 9
5.1 Installation Site, Location of Use ......................................................................................................... 9
5.2 Unpacking .............................................................................................................................................. 9
5.3 Mains connection .................................................................................................................................. 9
5.4 Connection of peripheral devices ........................................................................................................ 9
5.5 Initial Commissioning ........................................................................................................................... 9
5.6 Adjustment ........................................................................................................................................... 10
5.7 Adjustment ........................................................................................................................................... 10
5.8 Verification ........................................................................................................................................... 10
6 Operation ................................................................................................................. 11
6.1 Start the scale and turn on the screen .............................................................................................. 11
6.2 Select Operator/Article ........................................................................................................................ 15
6.3 Start the measurement ....................................................................................................................... 16
6.4 Creating products with desired specificatio ns ................................................................................ 18
6.5 Activate operator ................................................................................................................................. 20
6.6 Operating mode settings .................................................................................................................... 20
7 Data output RS 232 C .............................................................................................. 22
7.1 Interface RS 232C ................................................................................................................................ 22
7.1.1 Explanation of the data transfer ............................................................................................................ 23
8 Service, maintenance, disposal ............................................................................. 23
8.1 Cleaning ............................................................................................................................................... 23
8.2 Service, maintenance .......................................................................................................................... 23
8.3 Disposal ................................................................................................................................................ 23
9 Instant help .............................................................................................................. 24
10 Declaration of conformity ....................................................................................... 25
2 FKTF-BA-e-1511
Taring range
(subtractive)
Stabilization time
(typical)
Housing (B x D x H)
mm
Weighing plat e stainless steel mm
Battery operation with
6 x 1.5 V, size "C"
1 Technical Data
KERN FKTF 3K0.5LM FKTF 6K1LM FKTF 12K2LM
Accuracy class III III III
Readability (d) 0.5 g 1 g 2 g
Verification value (e) 0.5 g 1 g 2 g
Weighing r ange (max) 3.000 g 6.000 g 12.000 g
Minimum load (Min) 10 g 20 g 40 g
3.000 g 6.000 g 12.000 g
Reproducibility 0,5 g 0,5 g 1 g
Linearity ±0,5 g ±0,5 g ±1 g
Adjustment points 1 / 2 / 3 kg 2 / 5 / 6 kg 2 / 5 / 10 / 12 kg
Recommended adjusting weight M1 (not
3 kg 5 kg 10 kg
supplied)
Humidity of air max. 80% rel. (non-condensing)
3 sec.
Allowable ambient temperature
+10 °C ... + 40 °C
Warm-up time 2 h
350 x 390 x 120
Vibration filter yes
340 x 240
Units see menu
Weight kg (net) 6,5
Data interface yes (RS232)
Article regular places 400
Number of operators 40
FKTF-BA-e-1511 3
yes
Taring range (subtr active)
Stabilization time
(typical)
Housing (B x D x H)
mm
6 x 1.5 V, size "C"
KERN FKTF 30K5LM FKTF 60K10LM
Accuracy class III III
Readability (d) 5 g 10 g
Verification value (e) 5 g 10 g
Weighing r ange (max) 30.000 g 60.000 g
Minimum load (Min) 100 g 200 g
30.000 g 60.000 g
Reproducibility 2,5 g 5 g
Linearity ±2,5 g ±5 g
Adjustment points 10 / 20 / 30 kg 20 / 50 / 60 k g
Recommended adjusting weight M1 (not
supplied)
Humidity of air max. 80% rel. (non-condensing)
Allowable ambient temperature
Warm-up time 2 h
Vibration filter yes
Weighing plat e stain-
less steel mm
Units see menu
Weight kg (net)
20 kg + 10 kg 50 kg
3 sec.
+10 °C ... + 40 °C
350 x 390 x 120
340 x 240
6,5
Data interface
Article regular places
Number of operators
Battery operation with
4 FKTF-BA-e-1511
yes (RS232)
400
40
yes
Nominal filling quantity Q
in g or ml
Admissible minus deviation
5 to 50
9 - 50 to 100
-
4.5
100 to 200
4.5 - 200 to 300
- 9 300 to 500
3 - 500 to 1,000
-
15
1,000 to 10,000
1.5
-
Packaged Goods Regulation (PGR/FPVO). To weighing scales specially designed for
packaged goods applies
§ 22 of the Packaged Goods Reg ulat ion PG R. This paragraph says:
(1) Commercially produced, packaged g oods labelled by weight or volume of the same nom-
inal filling quantity must be produced in such as way that the filling quantity at the point of
production
1. on average does not drop below the nominal filling quant it y and
2. does not exceed the values for negative deviation from t he nom inal filling quantity stipulated in section 3.
(2) Packaged goods labelled by weight or volume of the s am e nom inal weight mus t be
brought into the territor y covered by this reg ulat ion only if t he filling quantity at the point of
production
1. on average does not drop below the nominal filling quant it y and
2. does not exceed the values for negative deviation from t he nom inal filling quantity stipulated in section 3.
(3) The allowable minus deviations are as follows:
N
in % of QN in g or ml
When applying this table, any values for adm issible minus deviations calculated in weight or
volume units that are stated in percent should always be rounded up to 0.1 gram or 0.1 millilitre. Minus deviations should not exceed 2 per cent of the packaged goods.
(4) Packaged goods labelled by weight or volume of the same nom inal filling quantity may
only be launched commercially if the minus deviation from the nominal filling quantity does
not exceed double the amount of the values stipulated on the table under sec t ion 3.
These rules give the manufacturers of packaged goods a clear standard for production control in manufacture and the consumer confidence that such products actually contain the
filling quantity labelled on the package by the manufacturer.
FKTF-BA-e-1511 5
Nominal filling quantity QN
for packaged goods in g or ml
Maximum admissible verification value
in g
Less than 10
0.1
For 10 to less than 50
0.2
Nominal filling quantity QN
For packaged goods in g or ml
Maximum admissible verification value
in g
For 50 to less than 150
0.5
For 150 to less than 500
1.0
For 500 to less than 2500
2.0
For 2500 and more
5.0
Packaged goods manufactured and tested according to the rules stipulated by the Packaged Goods Regulation bear the following marking on their label:
Weighing scales to be used in packaged goods control must have type approval according
to
category III combined with a valid verification.
The choice of a non-automatic weighing scale should be on the one hand according to the
required maximum weight and on the other hand the maximum admissible verification value
(e) for the nominal filling quantity to be tested: According to the admissible maximum number of errors for the verified weighed result (e):
Finally, it should be noted that shorter re-verification periods are applied in many European
States for weighing scales used in package controlling as opposed to those for regular
weighing scales of verification category III. Usually this is every year or every two years.
6 FKTF-BA-e-1511
2 Basic Information (General)
It is absolutely necessary that you read and understand the operating instructions prior to
installation and commissioning and follow the instructions during the process!
2.1 Proper use
The balance you purchased is intended to determine the weighing value of material to be
weighed. It is intended to be used as a “non-automatic“ balance, i.e. the material to be
weighed is manually and carefully placed in the centre of the weighing plate. As soon as a
stable weighing value is reached the weighing value can be read.
2.2 Improper Use
Do not use balance for dynamic weighing. In the event that small quantities are removed or
added to the material to be weighed, incorrect weighing results can be displayed due to the
“stability compensation“ in the balance (Example: Slowly draining fluids from a container on
the balance.).
Do not leave permanent load on the weighing plate. This may damage the measuring system.
Impacts and overloading exceeding the stated maximum load (max) of the balance, minus
a possibly existing tare load, must be strictly avoided. Balance may be damage by this.
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 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.
2.3 Warranty
Warranty claims shall be voided in case
- Our conditions in the operation manual are ignored
- The appliance is used outside the described uses
- 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
2.4 Monitoring of Test Resources
In the framework of quality assurance the measuring-related 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. Our accredited DKD calibration laboratory
offers fast and inexpensive adjustment for test weights and weighing balances (reset to national normal weight).
FKTF-BA-e-1511 7
3 Basic Safety Precautions
3.1 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.
Versions in other languages are non-binding translations.
The only binding version is the original document in German.
3.2 Personnel training
The appliance may only be operated and maintained by trained personnel.
4 Transportation & Storage
4.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible visible damage.
In case of visible damage have the damage verified by the messenger’s signature. Do not
alter goods or packaging and do not remove any parts of the delivery. Report the damage
immediately (within 24 hours) in writing to the parcel service.
4.2 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 glass wind screen, the weighing platform,
power unit etc. against shifting and damage.
8 FKTF-BA-e-1511
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