KERN KFE-TM Operating and Installation Instructions
Oglas
Oglas
KERN & Sohn GmbH
Ziegelei 1 Phone: +49-[0]7433- 9933-0
D-72336 Balingen Fax: +49-[0]7433-9933-149
E-Mail: [email protected] Internet: www.kern-sohn.com
Operating and Installation
Instructions Display Unit
KERN KFE-TM
Version 1.3
06/2013
GB
KFE-TM-BA_IA-e-1313
GB
KERN KFE-TM
Version 1.3 06/2013
Operating and installation instructions
Display unit
Contents
1 Technical data ................................................................................................... 4
2 Appliance overview ........................................................................................... 5
2.1
Keyboard overview .................................................................................................... 6
2.1.1
Numerical input via the navigation buttons ........................................................................ 7
2.2
Overview of display .................................................................................................... 7
3 Basic Information (General) ............................................................................. 8
3.1
Proper use ................................................................................................................. 8
3.2
Improper Use ............................................................................................................. 8
3.3
Warranty .................................................................................................................... 8
3.4
Monitoring of Test Resources .................................................................................... 9
4 Basic Safety Precautions .................................................................................. 9
4.1
Pay attention to the instructions in the Operation Manual .......................................... 9
4.2
Personnel training ...................................................................................................... 9
5 Transport and storage ...................................................................................... 9
5.1
Testing upon acceptance ........................................................................................... 9
5.2
Packaging / return transport ...................................................................................... 9
6 Unpacking and installation ............................................................................. 10
6.1
Installation Site, Location of Use ...............................................................................10
6.2
Unpacking and installation ........................................................................................10
6.3
Scope of delivery / serial accessories: ......................................................................10
6.4
Transit Securing .......................................................................................................11
6.5
Mains connection ......................................................................................................11
6.6
Storage battery operation (optional) ..........................................................................11
6.7
Adjustment................................................................................................................12
6.8
Linearization .............................................................................................................15
6.9
Verification ................................................................................................................16
2 KFE-TM-BA_IA-e-1313
7 Operation ......................................................................................................... 18
7.1
Start-up .....................................................................................................................18
7.2
Switching Off ............................................................................................................18
7.3
Zeroing .....................................................................................................................18
7.4
Simple weighing ........................................................................................................18
7.5
Weighing with taring .................................................................................................19
7.6
Weighing with tolerance range .................................................................................19
7.7
Manual totalizing .......................................................................................................22
7.8
Automatic adding-up .................................................................................................24
7.9
Animal weighing ........................................................................................................25
8 Menu ................................................................................................................. 26
8.1
Navigation in the menu .............................................................................................26
8.2
Overview ...................................................................................................................26
9 Service, maintenance, disposal ..................................................................... 28
9.1
Cleaning ...................................................................................................................28
9.2
Service, maintenance ...............................................................................................28
9.3
Disposal ....................................................................................................................28
9.4
Error messages ........................................................................................................29
10 Instant help ................................................................................................... 30
11 Installing display unit / weighing bridge .................................................... 31
11.1
Technical data ..........................................................................................................31
11.2
Weighing system design ...........................................................................................31
11.3
How to connect the platform .....................................................................................32
11.4
Configure display unit ...............................................................................................33
12 Enclosure Declaration of conformity / Type approval / Test certificate . 36
KFE-TM-BA_IA-e-1313 3
1 Technical data
KERN
Display
Solution verifiable
Verification class
Weighing ranges
Divisions
Display
DMS weighing cells
Electric Supply
Rechargeable battery
(optional)
Admissible ambient temperature
Net weight
Protection type
Dimensions:
KFE-TM
6-digit
6.000 e
III
2
1,2,5,…10, n
LCD 22 mm digits with back lighting
80-100 . Max. 4 items per 350 ;
Sensitivity 2-3 mV/V
Input voltage 220 V
– 240 V, 50 Hz
Mains adapter secundary voltage 12V, 500 mA
6 x 1.5 V, 4 Ah
Service life
– background illumination OFF 45 h
Loading time 12 h
-10°C
– 40°C
1.9 kg
IP 65 as per DIN EN 60529
4 KFE-TM-BA_IA-e-1313
2 Appliance overview
Front view:
1. Weight display
2. Keyboard
Rear view:
3. Wall bracket
4. Connection power supply (mains adapter)
5. Fastening screws
6. Connection platform
7. Position of seal / housing screw
KFE-TM-BA_IA-e-1313 5
2.1 Keyboard overview
Key Function
Turn on/off
Zeroing
Navigation key Confirm entry
Navigation key
Taring
Scroll forward in menu
At numeric input increase flashing digit
Add weighing value to summation memory
Display sum total
Delete total added memory
Change between gross and net weight
Navigation key Digit selection to the right
ESC
Switch-over weighing unit
Back to menu/weighing mode
6 KFE-TM-BA_IA-e-1313
2.1.1 Numerical input via the navigation buttons
Key Function
Digit selection to the left
Delete
Digit selection to the right
Increase flashing digit
Terminate input
2.2 Overview of display
Display Significance
HI
OK
LO
Status indicatoren for weighing with tolerance range
HI: Weighed goods over default tolerance
OK: Weighed goods within default tolerance
OK: Load below specified tolerance
ZERO Indicator zero display
TARE Indicator for saved tare value
NET The displayed weighing value is a net weighing value
GROSS The displayed weighing value is a gross weighing value
STABLE Stability display
AUTO
Function for „Automatic totalizing“ is activated
ANIMAL Animal weighing mode is activated
Charging status of rechargeable battery (optional)
KFE-TM-BA_IA-e-1313 7
3 Basic Information (General)
3.1 Proper use
The display unit acquired by you is used in combination with a weighing plate and serves to determine the weighing value of material to be weighed. It is intended to be used as a “non-automatic weighing system”, 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.
3.2 Improper Use
Do not use display unit for dynamic weighings. 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 display unit. (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 weighing plate, minus a possibly existing tare load, must be strictly avoided. Both, the weighing plate and the display unit may be damaged during this process.
Never operate display unit in explosive environment. The serial version is not explosion protected.
Changes to the display unit's design are not permitted. This may lead to incorrect weighing results, safety-related faults and destruction of the display unit.
The display unit may only be operated in accordance with the described default settings. Other areas of use must be released by KERN in writing.
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
The appliance is modified or opened
Mechanical damage or damage by media, liquids, natural wear and tear
The appliance is improperly set up or incorrectly electrically connected
The measuring system is overloaded
8 KFE-TM-BA_IA-e-1313
3.4 Monitoring of Test Resources
In the framework of quality assurance the measuring-related properties of the display unit 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 display units’ test substances and the test weights required for this. In
KERN’s accredited DKD calibration laboratory test weights and display units may be calibrated (return to the national standard) fast and at moderate cost.
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.
4.2 Personnel training
The appliance may only be operated and maintained by trained personnel.
5 Transport and storage
5.1 Testing upon acceptance
When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible visible damage.
5.2 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.
KFE-TM-BA_IA-e-1313 9
6 Unpacking and installation
6.1 Installation Site, Location of Use
The display units are designed in a way that reliable weighing results are achieved in common conditions of use. Precise and fast work is achieved by selecting the right place for your display unit and your weighing plate.
On the installation site observe the following:
Place the display unit and the weighing plate 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 display unit and the weighing plate against direct draft from open windows or doors.
Avoid jarring during weighing;
Protect the display unit and the weighing plate against high humidity, vapours and dust.
Do not expose the display unit 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 goods to be weighed or weighing container.
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. Change location or remove source of interference.
6.2 Unpacking and installation
Take the display unit carefully out of its packaging, remove the plastic jacket and install it at the designated work space. Mount the display unit in a way that facilitates operation and where it is easy to see.
6.3 Scope of delivery / serial accessories:
For display unit, see chapter 2
Mains adapter
Operating instructions
10 KFE-TM-BA_IA-e-1313
6.4 Transit Securing
Please note, if the display unit is used together with platform with transportation lock, this transportation lock must be released prior to use.
See operating instructions attached to the respective platform.
6.5 Mains connection
Power is supplied via the external mains adapter. The stated voltage value must be the same as the local voltage.
Only use original KERN mains adapters. Using other makes requires consent by
KERN.
6.6 Storage battery operation (optional)
Before the first use, the battery should be charged by connecting it to the mains power supply for at least 12 hours.
The appearance of the rechargeable battery symbol in the weight display indicates that the battery is almost exhausted. The unit will be ready for operation for approx. another 10 hours before switching off automatically. Charge the battery with the help of the supplied power pack.
The rechargeable battery symbol shows the charge status of the rechargeable battery:
Voltage has dropped below prescribed minimum.
Battery very low.
Battery is completely discharged
KFE-TM-BA_IA-e-1313 11
6.7 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.
The adjustment is locked for verified balances.
In order to unlock the access, the seal must be destroyed and the jumper on the printed circuit board must be fitted (see chap. 6.9).
Attention:
After destruction of the seal the weighing system must be re-verified by an authorised agency and a new verification wire/seal mark fitted before it can be reused for applications subject to verification.
The weight to be used depends on the capacity of the scale. Carry out adjustment as near as possible to the scale’s maximum weight. Info about test weights can be found on the Internet at: http://www.kernsohn.com.
Observe stable environmental conditions. Stabilisation requires a certain warm-up time.
12 KFE-TM-BA_IA-e-1313
Call-up menu
In weighing mode press
and at the same time and the first menu block will appear.
Press
repeatedly until is displayed.
Press
, password query will appear.
Press
, ,
is shown.
subsequently until the first menu item
Press
repeatedly until is displayed.
Confirm by
.
Press
repeatedly until the currently balance typ will be displayed.
= Singel range
= Dual range
= Multi interval
Confirm by
.
Press
repeatedly until will be displayed.
Confirm by
and select by
= Justierung
.
= Linearisierung
KFE-TM-BA_IA-e-1313 13
Procedure
Confirm menu setting
by .
Ensure that there are no objects on the weighing plate.
Wait for stability display, then press
.
The currently set adjustment weight will be displayed.
Either use the displayed adjustment weight or change it with
, and (numerical input see chapter 2.1.1), the active digit is flashing.
Confirm by , „LoAd“ will be shown.
Carefully place adjusting weight in the centre of the weighing plate. Wait for stability display, then press .
After the adjustment the balance will carry out a self-test.
Remove adjusting weight during selftest, balance will return into weighing mode automatically.
An adjusting error or incorrect adjusting weight will be indicated by the error message; repeat adjustment procedure.
14 KFE-TM-BA_IA-e-1313
6.8 Linearization
Linearity shows the greatest deviation of a weight display on the scale to the value of the respective test weight according to plus and minus over the entire weighing range.
If linearity deviation is discovered during a testing instrument control, you can improve this by means of linearization.
Carrying out linearization is restricted to specialist staff possessing well acquainted with the workings of weighing scales.
The linearisation is locked for verified weighing systems.
In order to unlock the access, the seal must be destroyed and the jumper on the printed circuit board must be fitted (see chap. 6.9).
Attention:
After destruction of the seal the weighing system must be re-verified by an authorised agency and a new verification wire/seal mark fitted before it can be reused for applications subject to verification.
The test weights to be used must be adapted to the weighing scale’s specifications; see chapter 3.4 “testing instruments control”.
Observe stable environmental conditions. Stabilisation requires a certain warm-up time.
After successful linearization you will have to carry out calibration; see chapter “testing instruments control”
Procedure:
Call-up menu setting
, see chap. 6.7.
Acknowledge with
.
Ensure that there are no objects on the weighing plate.
Wait for stability display „STABLE“, then press
. When
“LoAd 1“ is displayed, put the first adjustment weight (1/3 max) carefully in the centre of the weighing platform.
Wait for stability display „STABLE“, then press
. When
“LoAd 2“ is displayed, put the second adjustment weight
(2/3 max) carefully in the centre of the weighing platform.
KFE-TM-BA_IA-e-1313 15
Wait for stability display „STABLE“, then press
. When
“LoAd 3“ is displayed, put the third adjustment weight (1/3 max) carefully in the centre of the weighing platform.
Wait for stability display „STABLE“, then press
.
After the adjustment the balance will carry out a self-test.
Remove adjusting weight during selftest, the appliance will return into weighing mode automatically.
An adjusting error or incorrect adjusting weight will be indicated by the error message; repeat adjustment procedure.
6.9 Verification
General introduction:
According to EU directive 90/384/EEC or 2009/23EG balances must be officially verified if they are used as follows (legally controlled area): a) For commercial transactions if the price of goods is determined by weighing. b) For the production of medicines in pharmacies as well as for analyses in the medical and pharmaceutical laboratory. c) For official purposes d) For manufacturing final packages
In cases of doubt, please contact your local trade in standard.
Verification notes:
An EU type approval exists for balances described in their technical data as verifyable. If a balance is used where obligation to verify exists as described above, it must verified and re-verified in regular intervals.
Re-verification of a balance is carried out according to the respective national regulations. The validity for verification of balances in Germany is e.g. 2 years.
The legal regulation of the country where the balance is used must be observed!
Verification of the balance is invalid without the seal.
The seal marks attached on verified balances point out that the balance may only be opened and serviced by trained and authorised specialist staff. If the seal mark is destroyed, verification looses its validity. Please observe all national laws and legal regulations. In Germany a re-verification will be necessary.
16 KFE-TM-BA_IA-e-1313
Position of seals and jumper
Access to conductor plate:
Remove seal
Open display unit
For adjustment / access to the configuration menu the jumper „CAL“ must be fitted.
KFE-TM-BA_IA-e-1313 17
7 Operation
7.1 Start-up
Press
and the instrument will carry out a self-test. As soon as the weight display appears, the instrument will be ready to weigh.
7.2 Switching Off
Press
and the display will disappear.
7.3 Zeroing
Resetting to zero corrects the influence of light soiling on the weighing plate.
To unload the weighing system
Press
and zero display as well as indicator
ZERO
will appear.
7.4 Simple weighing
Place goods to be weighed on balance.
Wait until stability display
STABLE
appears.
Read weighing result.
Overload warning
Overloading exceeding the stated maximum load (max) of the device, minus a possibly existing tare load, must be strictly avoided. This could damage the instrument.
Exceeding maximum load is indicated by the display of “ol“, and an audio sound. Unload weighing system or reduce preload.
18 KFE-TM-BA_IA-e-1313
7.5 Weighing with taring
Deposit weighing vessel. After successful stop check press the display and indicator
NET
appear.
button. Zero
The weight of the container is now internally saved.
Weigh the material, the net weight will be indicated.
After removing the weighing container, the weight of the weighing container appears as negative display.
The taring process can be repeated any number of times, e.g. when adding several components for a mixture (adding). The limit is reached when the whole weighing range is exhausted.
To change between gross weight and net weight, press
.
To delete the tare value, remove load from weighing plate and press
.
7.6 Weighing with tolerance range
You can set an upper or lower limit when weighing with tolerance range and thus ensure that the weighed load remains exactly within the set limits.
During tolerance controls such as dispensing, portioning or sorting the unit will indicate whether a value exceeds or falls short of limits with an optical [LO, OK, HI] as well as an audio signal according to the setting in the menu block “F4 oFF_BEEP“; see chapter 8.2.
Selectable mode Description bp 1
Acoustic signal switched off, only optical signal active
[LO], [OK] or [HI]
bp 2 bp 3
If load is within tolerance range, [ok] will be displayed and audio signal will be sounded.
If the load is beyond the tolerance range [ok] will be shown and the audio signal will sound.
KFE-TM-BA_IA-e-1313 19
1. Call up menu
In weighing mode press
and at the same time and the first menu block will appear.
2. Set limit values
Keep on pressing
until the display used for entering the lower limit
SET LO
appears.
Press
and current setting will be displayed.
To enter the lower limit, e. g. 1000 Kg, press the navigation keys (See chpt. 2.1.1); the currently enabled digit will be flashing.
Confirm input by
.
Select
SET HI
by pressing .
Press displayed.
and the current setting for the upper limit will be
Press the navigation keys (See chpt. 2.1.1) to enter the upper limit, e.g. 1,100 kg; the currently enabled digit will be flashing.
Confirm input by
.
Press
and the unit will return to the menu
20 KFE-TM-BA_IA-e-1313
3. How to set tolerance weighing mode
Press
repeatedly until is displayed.
Acknowledge with
.
Press
repeatedly until
BEEP
is displayed.
Press
and current setting will be displayed.
Select desired setting (bp 1, bp 2, bp 3) with confirm by pressing .
and
Press
repeatedly to exit menu. The weighing system is in tolerance weighing mode, i.e. from here occurs the graduation if the weighed material is within the two tolerance limits.
4. Weighing with tolerance range
Tare when using a weighing container
Put on goods to be weighed, tolerance control is started
Load below specified tolerance
Load within specified tolerance
Load exceeds specified tolerance
The indicator [LO] is displayed
The indicator [OK] is displayed
The indicator [HI] is displayed
The tolerance control is not active when the weight is under 20d.
To delete limits, enter “00.000 kg“.
KFE-TM-BA_IA-e-1313 21
7.7 Manual totalizing
With this function the individual weighing values are totalized into the sum memory by pressing .
Menu settings:
„F5 Prt“ „P prt“, see chap. 8.2
“P4 CHk“ „mode 1“, see chap. 11.4
The totalizing function is not active when the weight is under 20d.
Add up:
Place weighing goods A.
Wait until the stability display
STABLE
appears, then press . The weighing value is saved.
Remove the weighed good. More weighed goods can only be added when the display ≤ zero.
Place goods to be weighed B.
Wait until the stability display appears, then press . The weighing value is added into the summation memory. Number of weighing, followed by the total weight will be displayed for 2 sec.
Add more weighed goods as described before.
Please note that the weighing system must be unloaded between the individual weighing procedures.
You can repeat this process 99 times until the capacity (max) of the weighing system is exhausted.
Display of the saved weighing data:
When zero is displayed press
, the number of weighings followed by the total weight will be displayed for 2 sec.
22 KFE-TM-BA_IA-e-1313
Delete weighing data:
If you see a display of zero, press
and the number of weighing, followed by the total weight will be shown for 2 sec. Press during this display.
The data in the summation memory are deleted.
KFE-TM-BA_IA-e-1313 23
7.8 Automatic adding-up
This function is used to issue and add individual weighing values automatically to the
. summation memory on unloading of weighing scale without pressing
Menu settings:
„F5 Prt“ „P prt“, see chap. 8.2
“P4 CHk“ „mode 1“, see chap. 11.4
When function is activated, the indicator
AUTO
appears.
Add up:
Place weighing goods A.
After the standstill control sounds a signal tone.
Unload the weighing good, the weighing value is added into the summation memory.
More weighed goods can only be added when the disp lay ≤ zero.
Place goods to be weighed B.
After the standstill control sounds a signal tone. Unload the weighing good, the weighing value is added into the summation memory. Number of weighing, followed by the total weight will be displayed for 2 sec.
Add more weighed goods as described before.
Please note that the weighing system must be unloaded between the individual weighing procedures.
You can repeat this process 99 times until the capacity (max) of the weighing system is exhausted.
After the audio sound was sounded you can remove the load or add to it.
Display and delete weighing data see chap. 7.7.
24 KFE-TM-BA_IA-e-1313
7.9 Animal weighing
The mean value function is suitable for weighing restless loads.
Menu setting:
, see chap. 11.4
When function is activated, the indicator
ANIMAL
appears.
Place goods to be weighed on balance.
When the load has somewhat calmed down, you will hear an audio sound. The mean value achieved will be shown.
Whilst averaging is taking place you can add or remove loads as the measuring value will be constantly updated.
To disable the animal weighing function, return to weighing mode
Select menu setting , see chpt. 11.4.
KFE-TM-BA_IA-e-1313 25
8 Menu
8.1 Navigation in the menu
Call up menu
In weighing mode press
and at the same time and the first menu block will appear.
Select menu block
With help of
, the individual menu blocks can be selected one after the other.
Select setting
Change settings
Confirm selected menu item by pressing current setting will be displayed.
To change to the available settings, press the navigations keys as described in chpt. 2.1.1.
. The
Acknowledge setting / exit the menu
Either save by pressing
or cancel by pressing .
Return to weighing mode
Press
repeatedly to exit menu.
8.2 Overview
Menu block
Weighing with tolerance range
Menu item Available settings / explanation
SET Lo
SET Hi to Clr to P-C to Prt
Upper limit value, input see chapter 7.6
(factory setting 000.000)
Lower limit value, input see chapter 7.6
(factory setting 000.000)
Not documented
Not documented
Not documented
Factory setting „kg“, no further units available.
Weighing Units
Date/time
SET dA
26
SET ti
Set date
Press and the currently set date (yy.mm.dd) will be displayed. To make changes, press the navigation keys as explained in chpt. 2.1.1.
Set time
Press and the currently set time (hh.m.ss) will be displayed. To make changes, press the navigation keys as explained in chpt. 2.1.1.
KFE-TM-BA_IA-e-1313
Clock bl bEEP see chpt
7.6
P Prt
P Cont
Series
ASK
P cnt 2
P Stab
P Auto
Clk on
Display time switched on
After 5 min without change of load the weight display passes to the time display.
Clk of*
Display of time OFF bk on
Background lighting of display is switched on permanently bk AU
Display background illumination off bk off
Automatic background illumination on when weighing pate is loaded or key pressed. bp 1 bp 2 bp 3
Audio signal switched off during tolerance weighing
If load is within tolerance, [ok] will be displayed and audio signal will be sounded
If the load is beyond the tolerance range, [ok] will be shown and the audio signal will sound.
Manual totalizing, see chap. 7.7
Not documented
Not documented
Not documented
Not documented
A Not documented
For automatic totalizing see chpt. 7.8.
Confirm selection by available.
b9600
Pr X
Lab X
Ty-tp
Ty 711
Lp 50
St on
, after that the following menu items are
Not documented
Following tare ON
St off Following tare OFF
Access to configuration menu see chap. 11.4
KFE-TM-BA_IA-e-1313 27
9 Service, maintenance, disposal
Before any maintenance, cleaning and repair work disconnect the appliance from the operating voltage.
9.1 Cleaning
Keep IP protection.
Clean the stainless-steel parts with a soft cloth soaked with a cleaning agent suitable for stainless steel.
For stainless steel parts do not use any cleaning agents which contain sodium hydroxide solution, acetic, hydrochloric, sulphuric or citric acid.
Do not use metal brushes or cleaning sponges of steel wool, as this causes superficial corrosion.
9.2 Service, maintenance
The appliance may only be opened by trained service technicians who are authorized by KERN.
Ensure that the balance is regularly calibrated, see chap. Testing instruments control.
9.3 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.
28 KFE-TM-BA_IA-e-1313
9.4 Error messages
Error message
Description
- - - - -
- - ol - -
Maximum load exceeded
Err 1
Incorrect data input
Err 2
Err 4
Err 5
Possible causes
Unload weighing system or reduce preload.
Incorrect time entry
Follow format “yy:mm:dd“
Follow format “hh:mm:ss“
Zeroing range exceeded due to switching-on balance or pressing
(normally 4% max)
Keyboard error
Object on the weighing plate
Overload when zeroing
Err 6 Value outside the A/D changer range
Weighing plate not installed
Damaged weighing cell
Damaged electronics
Err 9 Stability display does not appear
Check the environmental conditions.
Err 17 Taring range exceeded
Reduce load
Fai l h /
Fai l l
Adjustment error Repeat adjustment.
Ba lo /
Battery very low Recharge battery
Lo ba
Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer.
KFE-TM-BA_IA-e-1313 29
10 Instant help
In case of an error in the program process, briefly turn off the display unit and disconnect from power supply. The weighing process must then be restarted from the beginning.
Help:
Fault
The displayed weight does not glow.
Possible cause
The display unit is not switched on.
Mains power supply interrupted (mains cable defective).
Power supply interrupted.
(Rechargeable) batteries are inserted incorrectly or empty
The displayed weight is permanently changing
The weighing result is obviously incorrect
No (rechargeable) batteries inserted.
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 display of the balance is not at zero
Adjustment is no longer correct.
Great fluctuations in temperature.
Warm-up time was ignored.
Electromagnetic fields / static charging (choose different location/switch off interfering device if possible)
30 KFE-TM-BA_IA-e-1313
11 Installing display unit / weighing bridge
Installation / configuration of the weighing system must be carried out by a well acquainted specialist with the workings of weighing balances.
11.1 Technical data
Supply voltage:
Max. signal voltage
Zeroing range
Sensitivity
Resistance parameter
5 V/150mA
0
0
15 mV
5 mV
2-3 mV/V
80 - 100
Ω, max 4 items per 350 Ω load cell
11.2 Weighing system design
The display unit is suitable for connection to any analogue platform in compliance with the required specifications.
The following data must be established before selecting a weighing cell:
Weighing balance capacity
This usually corresponds to the heaviest load to be weighed.
Preload
This corresponds to the total weight of all parts that are to be placed on the weighing cell such as upper part of platform, weighing pan etc.
Total zero setting range
This is composed of the start-up zero setting range (± 2%) and the zero setting range available to the user via the ZERO-key (2%). The total zero setting range equals therefore 4 % of the scale’s capacity.
The addition of weighing scales capacity, preload and the total zero setting range give the required capacity for the weighing cell.
To avoid overloading of the weighing cell, include an additional safety margin.
Smallest desired display division
KFE-TM-BA_IA-e-1313 31
11.3 How to connect the platform
Disconnect device from mains.
Pull load cell cable into the display unit through the screwable cable attachment.
Weld the individual wires of the load cell cable to the printed circuit board, see fig. 1. Details can be seen in the technical data of the load cell.
Fig. 1
32 KFE-TM-BA_IA-e-1313
11.4 Configure display unit
Call-up configuration menu:
In weighing mode press
and at the same time and the first menu block will appear.
Press
Press
repeatedly until is displayed.
, password query will appear.
Press
, , shown.
Navigation in the menu
subsequently until the first menu item is
With help of other.
, the individual menu items can be selected one after the
Confirm selected menu item by pressing displayed.
Switch into the available settings using
.
. The current setting will be
Either save by pressing
or cancel by pressing .
Press repeatedly to exit menu.
KFE-TM-BA_IA-e-1313 33
Configuration menu overview:
Menu block
Main menu
Menu item
Submenu
Available settings / explanation
Not documented
Single-range balance
, after that the following menu items are Confirm by available.
Position decimal point available selection 0, 0.0, 0.00, 0.000,
0.0000
Readability/verification value selectable 1, 2, 5, 10, 20, 50
Balance capacity (max)
Adjust weighing system according to configuration.
Adjustment, see chap. 6.7
For linearisation see chapter 6.8
34 KFE-TM-BA_IA-e-1313
Dual range balance
, after that the following menu items are Confirm by available.
Position decimal point available selection 0, 0.0, 0.00, 0.000, 0.0000
Readability / verification value for
1. Weighing range
Selectable 1, 2, 5, 10, 20,
50
Readability / verification value for
2. Weighing range
Selectable 1, 2, 5, 10, 20,
50
Balance capacity (Max) 1st weighing range
Balance capacity (Max) 2nd weighing range
Adjust weighing system according to configuration.
Adjustment, see chap. 6.7
For linearisation see chap. 6.8
KFE-TM-BA_IA-e-1313 35
Multi-interval balance
Confirm by available.
, after that the following menu items are
Position decimal point available selection 0, 0.0, 0.00, 0.000, 0.0000
Readability / verification value for
1. Weighing range
Selectable 1, 2, 5, 10, 20,
50
Readability / verification value for
2. Weighing range
Selectable 1, 2, 5, 10, 20,
50
Balance capacity (Max) 1st weighing range
Balance capacity (Max) 2nd weighing range
Adjust weighing system according to configuration.
Adjustment, see chap. 6.7
For linearisation see chapter 6.8
Not documented
Internal A/D converter value
Reset to default setting
Not documented
Weighing mode
(tolerance weighing, totalizing)
Animal weighing mode
Not documented
Not documented
12 Enclosure Declaration of conformity / Type approval /
Test certificate
36 KFE-TM-BA_IA-e-1313
EG-Konformitätserklärung
ECDéclaration de conformité
EC-Declaration of -Conformity
EC-Declaración de Conformidad
EC-Dichiarazione di conformità
EC- Declaração de conformidade
EC-
Deklaracja zgodności
D
GB
Declaration of conformity
CZ
E
F
I
NL
P
Konformitätserklärung
Prohlášení o shode
Declaración de conformidad
Déclaration de conformité
Dichiarazione di conformitá
Conformiteitverklaring
Declaração de conformidade
PL
Deklaracja zgodności
RUS
Заявление о соответствии
EC-Conformiteitverklaring
EC-
EC-
Prohlášení o shode
Заявление о соответствии
Wir erklären hiermit, dass das Produkt, auf das sich diese Erklärung bezieht, mit den nachstehenden Normen übereinstimmt.
We hereby declare that the product to which this declaration refers conforms with the following standards.
Tímto prohlašujeme, že výrobek, kterého se toto prohlášení týká, je v souladu s níže uvedenými normami.
Manifestamos en la presente que el producto al que se refiere esta declaración está de acuerdo con las normas siguientes
Nous déclarons avec cela responsabilité que le produit, auquel se rapporte la présente déclaration, est conforme aux normes citées ci-après.
Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è conforme alle norme di seguito citate.
Wij verklaren hiermede dat het product, waarop deze verklaring betrekking heeft, met de hierna vermelde normen overeenstemt.
Declaramos por meio da presente que o produto no qual se refere esta declaração, corresponde às normas seguintes.
Niniejszym oświadczamy, że produkt, którego niniejsze oświadczenie dotyczy, jest zgodny z poniższymi normami.
Мы заявляем, что продукт, к которому относится данная декларация, соответствует перечисленным ниже нормам.
Electronic Balance: KERN KFF-T; KFE-TM; SFE
EU Directive Standards
2004/108/EC EN55022: 2006 A1:2007
EN61000-3-3:1995+A1:2001+A2:2005
EN55024: 1998+A1:2001+A2:2003
2006/95/EC
KERN & Sohn GmbH
D-72322 Balingen-Frommern
Postfach 4052
E-Mail: [email protected]
Declaration of conformity
Tel: 0049-[0]7433- 9933-0
Fax: 0049-[0]7433-9933-149
Internet: www.kern-sohn.de
EN 60950-1:2006
EN 60065:2002+A1:2006
Datum
Date
Ort der Ausstellung
Place of issue
08.04.2013
72336 Balingen
Signatur
Signature
Albert Sauter
KERN & Sohn GmbH
Geschäftsführer
Managing director
KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0
Fax +49-[0]7433/9933-149, E-Mail: [email protected], Internet: www.kern-sohn.com
KFE-TM-BA_IA-e-1313 37
Annex page 1 of 12
EC type-approval certificate no. DK 0199.312
Descriptive annex
Contents Page
Name and type of instrument and modules
Description of the construction and function
Load receptors, load cells and load receptor supports
Interfaces and peripheral equipment
Measurement functions other than non-automatic functions
Totalised weight is not a legal value.
Special conditions for verification
Securing and location of seals and verification marks
Location of CE mark of conformity and inscriptions
Composition of modules - illustrated
Issued by DELTA
Annex page 2 of 12
EC type-approval certificate no. DK 0199.312
1. Name and type of instrument and modules
The weighing instrument is designated KFA.. / KFE.. / KFC... It is a system of modules consisting of an electronic indicator, connected to a separate load receptor and peripheral equipment such as printers or other devices, as appropriate. The instrument is a Class III or IIII, self-indicating weighing instrument with single-interval, multi-range or multi-interval, an external AC mains adapter, and an internal rechargeable battery (optional).
The indicators consist of analogue to digital conversion circuitry, microprocessor control circuitry, power supply, keyboard, non-volatile memory for storage of calibration and setup data, and a weight display contained within a single enclosure.
The modules appear from the sections 3.1, 3.2.1 and 3.2.2; the principle of the composition of the modules is set out in the sections 6.1 and 10.
2. Description of the construction and function
2.1 Construction
2.1.1 Indicator
The indicator is specified in section 3.1.
Enclosures and keyboard
The indicators are housed in an enclosure made of either ABS plastic (model KFA-TM / KFC-TM) or stainless steel (Model KFE-TM).
The front panels of the indicator comprise of
- LCD display with backlight having appropriate state indicators and 6 digits (22 mm high)
- keyboard containing 5 keys used to enter commands or data into the weight indicator, plus a key for turning the indicator on/off. Each key is identified with a name and/or pictograph.
Electronics
The instruments use a single printed circuit board, which contains all of the instrument circuitry. The metrological circuitry for the models of weight indicator is identical.
All instrument calibration and metrological setup data are contained in non-volatile memory. The power supply accepts an input voltage of 9 - 12 VDC from the external power adapter, with input from
230 VAC 50 Hz. The indicator produces a load cell excitation voltage of 5 VDC.
2.1.2 Load receptors, load cells and load receptor supports
Set out in section 3.2.
2.1.3 Interfaces and peripheral equipment
Set out in section 4.
2.2 Functions
The weight indicating instruments are microcontroller based electronic weight indicators that require the external connection of strain gauge load cell(s). The weight information appears in the digital display located on the front panel and may be transmitted to peripheral equipment for recording, processing or display.
Issued by DELTA
Annex page 3 of 12
EC type-approval certificate no. DK 0199.312
The primary functions provided are detailed below.
2.2.1 Display range
The weight indicators will display weight from –Max to Max (gross weight) within the limits of the display capacity.
2.2.2 Zero-setting
Pressing the “ZERO” key causes a new zero reference to be established and ZERO annunciator to turn on indicating the display is at the centre of zero.
Semi-automatic zero-setting range: ±2 % of Max.
Automatic zero-tracking range: ±2 % of Max.
Initial zero-setting range: ±10 % of Max.
Zero-setting is only possible when the load receptor is not in motion.
2.2.3 Zero-tracking
The indicators are equipped with a zero-tracking feature which operates over a range of 4 % of Max and only when the indicator is at gross zero and there is no motion in the weight display.
2.2.4 Tare
The instrument models are provided with a semi-automatic subtractive tare feature activated using the
“TARE” key.
When the tare function is active the “G/N” (BG) key will toggle the display between showing Net and
Gross value.
2.2.5 Printing
A printer may be connected to the optional serial data port. The weight indicator will transmit the current to the printer when the “PRINT” key is pressed.
The printing will not take place if the load receptor is not stable, if the gross weight is less than zero, or if the weight exceeds Max.
2.2.6 Check weighing
The indicator can be set to check the actual weight against a high and a low limit by the user pressing
“Unit” and “M+” key simultaneously and then setting the appropriate parameters.
2.2.7 Weighing unstable samples
The indicator has a special mode for weighing unstable samples. As this mode is a configuration mode switching between this mode and normal weighing mode is not possible, when the indicator is sealed.
2.2.8 Display test
A self-test routine is initiated by pressing the on/off key to turn the instrument off, then pressing it again to turn the instrument on. The test routine turns on and off all of the display segments and light indicators to verify that the display is fully functional.
Issued by DELTA
Annex page 4 of 12
EC type-approval certificate no. DK 0199.312
2.2.9 Operator information messages
The weight indicator has a number of general and diagnostic messages which are described in detail in the user’s guide.
2.2.10 Software version
The software revision level is displayed during the power-up sequence of the instrument.
The approved software version is 1.00.
2.2.11 Totalisation
The indicator can be configured with a totalisation function, adding actual weight display values to the memory when pressing “M+” key or automatic, if the equilibrium is stable.
The totalised value is a calculated value and shall be marked as such when printed.
2.2.12 Battery operation
The indicator can be operated from an internal rechargeable battery, if this option is installed.
3. Technical data
The KFA.. / KFE.. / KFC.. weighing instruments are composed of separate modules, which are set out as follows:
3.1 Indicator
The indicators have the following characteristics:
Type:
Accuracy class:
Weighing range:
KFA-TM / KFE-TM / KFC-TM
III and IIII
Single-interval, multi-range (2 ranges) or multi-interval (2 partial intervals)
Maximum number of Verification
Scale Intervals:
Maximum tare effect:
Fractional factor:
Minimum input voltage per VSI:
Excitation voltage:
Circuit for remote sense:
Minimum input impedance:
Maximum input impedance:
Mains power supply:
Operational temperature:
Peripheral interface:
≤ 6000 (class III), ≤ 1000 (class IIII) for single-interval
≤ 3000 (class III), ≤ 1000 (class IIII) for multi-range and multi-interval
-Max within display limits p'i = 0.5
1
μV
5 VDC present on the model with 7-terminal connector
350 ohm
1200 ohm
9 - 12 VDC / 230 VAC, 50 Hz using external adapter
-10 °C to +40 °C
Set out in section 4
Issued by DELTA
Annex page 5 of 12
EC type-approval certificate no. DK 0199.312
3.1.1 Connecting cable between the indicator and load cell / junction box for load cell(s)
3.1.1.1 4-wire system
Cable between indicator and load cell(s):
Maximum length:
4 wires (no sense), shielded the certified length of the load cell cable, which shall be connected directly to the indicator.
3.2 Load receptors, load cells and load receptor supports
Removable platforms shall be equipped with level indicators.
3.2.1 General acceptance of modules
Any load cell(s) may be used for instruments under this certificate of type approval provided the following conditions are met:
1) A test certificate (EN 45501) or OIML Certificate of Conformity (R60) respectively issued for the load cell by a Notified Body responsible for type examination under the Directive
2009/23/EC.
2)
3)
4)
The certificate contains the load cell types and the necessary load cell data required for the manufacturer’s declaration of compatibility of modules (WELMEC 2, Issue 5, 2009), and any particular installation requirements). A load cell marked NH is allowed only if humidity testing to EN 45501 has been conducted on this load cell.
The compatibility of load cells and indicator is established by the manufacturer by means of the compatibility of modules form, contained in the above WELMEC 2 document, or the like, at the time of EC verification or declaration of EC conformity of type.
The load transmission must conform to one of the examples shown in the WELMEC 2.4
Guide for load cells.
3.2.2 Platforms, weigh bridge platforms
Construction in brief All-steel or steel-reinforced concrete construction, surface or pit mounted
Reduction ratio
Load cell
1
Load cell according to section 3.2.1
Drawings Various
3.2.3 Bin, tank, hopper and non-standard systems
Construction in brief Load cell assemblies each consisting of a load cell stand assembly to support one of the mounting feet bin, tank or hopper
Reduction ratio 1
Load cell Load cell according to section 3.2.1
Drawings Various
3.3 Composition of modules
In case of composition of modules, EN 45501 paragraph 3.5 and 4.12 shall be satisfied.
3.4 Documents
The documents filed at DELTA (reference No. A530976) are valid for the weighing instruments described here.
Issued by DELTA
Annex page 6 of 12
EC type-approval certificate no. DK 0199.312
4. Interfaces and peripheral equipment
4.1 Interfaces
The interfaces are characterised “Protective interfaces” according to paragraph 8.4 in the Directive.
4.1.1 Load cell input
A 5-terminal connector or 7-terminal connector for the load cell is positioned on the back of the enclosure.
4.1.2 Other interfaces
The indicator may be equipped with one or more of the following protective interfaces located on the main board or on separate interface boards.
•
RS-232C
The interfaces do not have to be secured.
4.2 Peripheral equipment
Connection between the indicator and peripheral equipment is allowed by screened cable.
The instrument may be connected to any simple peripheral device with a CE mark of conformity.
5. Approval conditions
5.1 Measurement functions other than non-automatic functions
Measurement functions that will enable the use of the instrument as an automatic weighing instrument are not covered by this type approval.
5.2 Totalised weight is not a legal value.
When using the totalisation function creating a sum of several weighing results, this sum is only informative, as it is not a legal value.
5.3 Compatibility of modules
In case of composition of modules, WELMEC 2 (Issue 5) 2009, paragraph 11 shall be satisfied.
6. Special conditions for verification
6.1 Composition of modules
The environmental conditions should be taken into consideration by the composition of modules for a complete weighing instrument, for example instruments with load receptors placed outdoors and having no special protection against the weather.
The composition of modules shall agree with section 5.3.
An example of a declaration of conformity document is shown in section 10.
Issued by DELTA
Annex page 7 of 12
EC type-approval certificate no. DK 0199.312
7. Securing and location of seals and verification marks
7.1 Securing and sealing
Seals shall bear the verification mark of a notified body or alternative mark of the manufacturer according to ANNEX II, section 2.3 of the Directive 2009/23/EC.
7.1.1 Indicator
Access to the configuration and calibration facility requires that a calibration jumper is installed on the main board.
Sealing of the cover of the enclosure - to prevent access to the calibration jumper and to secure the electronics against dismantling/adjustment - is accomplished with a brittle plastic sticker. The sticker is placed so access to one of the screws of the enclosure is prohibited (see figure 2, 4 and 6).
•
•
7.1.2 Indicator - load cell connector - load receptor
Securing of the indicator, load receptor and load cell combined is done in one of the following ways:
Sealing of the load cell connector with the indicator by a lead wire seal.
Inserting the serial number of the load receptor as part of the principal inscriptions contained on the indicator identification label.
•
The load receptor bears the serial number of the indicator on its data plate.
7.1.3 Peripheral interfaces
All peripheral interfaces are “protective”; they neither allow manipulation with weighing data or legal setup, nor change of the performance of the weighing instrument in any way that would alter the legality of the weighing.
7.2 Verification marks
7.2.1 Indicator
A green M-sticker shall be placed next to the CE mark on the inscription plate.
The sticker with verification marks may be placed on or next to the inscription plate or on the front of the indicator.
7.2.2 Printers used for legal transactions
Printers covered by this type approval and other printers according to section 4.2, which have been subject to the conformity assessment procedure, shall not bear a separate green M-sticker in order to be used for legal transactions.
8.
8.1
Location of CE mark of conformity and inscriptions
Indicator
8.1.1 CE mark
A sticker with the CE mark of conformity and year of production is located on the identification plate which is located on the enclosure of the weight indicator.
Issued by DELTA
Annex page 8 of 12
EC type-approval certificate no. DK 0199.312
8.1.2 Inscriptions
Manufacturer’s trademark and/or name and the type designation is located on the front panel overlay.
Indelibly printed on a brittle plastic sticker located on the front panel overlay:
•
Max, Min, e =, accuracy class
On the inscription plate:
•
Manufacturer’s name and/or logo, model no., serial no., type-approval certificate no., accuracy class, temperature range, electrical data and other inscriptions.
8.1.2.1 Load receptors
On a data plate:
•
Manufacturer's name, type, serial number, capacity
Left to the manufacturer choice as provided in section 7.1.2:
•
Serial no. of the indicator
Issued by DELTA
9. Pictures
Annex page 9 of 12
EC type-approval certificate no. DK 0199.312
Figure 1a KFA-TM indicator without finalisation of front.
Figure 1b Finalisation of front for KFA-TM.
Issued by DELTA
Figure 2 Sealing of KFA-TM indicator.
Annex page 10 of 12
EC type-approval certificate no. DK 0199.312
Figure 3a KFE-TM indicator without finalisation of front.
Figure 3b Finalisation of front for KFE-TM.
Issued by DELTA
Figure 4 Sealing of KFE-TM indicator.
Annex page 11 of 12
EC type-approval certificate no. DK 0199.312
Figure 5a KFC-TM indicator without finalisation of front.
Figure 5b Finalisation of front for KFC-TM.
Issued by DELTA
Figure 6 Sealing of KFC-TM indicator.
10. Composition of modules - illustrated
Annex page 12 of 12
EC type-approval certificate no. DK 0199.312
Issued by DELTA
Annex page 1 of 7
Annex to Test Certificate No. DK0199-R76-11.10
1. Name and type of instrument
The indicators KFA-TM / KFE-TM / KFC-TM are a family of weighing indicators suitable to be incorporated in a non-automatic weighing instruments, class III or class IIII, single-interval, dual-range or dual-interval.
2. Description of the construction and function
2.1 Construction
The electronic indicator consists of a single circuit board, SMD populated on both sides as the A/Dinterface circuits, the microprocessor and the voltage regulation are placed on one side and the LCD display on the other side.
The LCD-display has indication for: stable, zero, gross, net, tare, and weight unit (kg, g, t), and 6 digits with a height of 22 mm.
The enclosure is made of stainless steel for the KFE-TM indicator or of ABS plastics for the KFA-
TM and KFC-TM indicators.
The front of the enclosure has an on/off key plus 5 keys for operating the functions of the indicator.
All instrument calibration and metrological setup data are stored in the non-volatile memory.
The indicators are power supplied with 9-12 VDC - normally supplied by external 230 VAC to
12 VDC adapter. An optional internal battery can be factory installed.
Software
The software version is displayed during the start-up of the indicator.
The tested software version is 1.00.
Sealing
The configuration and calibration data can only be changed if the calibration jumper is installed on the circuit board.
2.2 Function
The devices are a microprocessor based electronic weighing indicators for connection of strain gauge load cells.
•
•
List of devices:
•
Self-test
•
Determination and indication of stable equilibrium
•
Initial zero-setting ± 10 % of Max
•
Semi-automatic zero-setting ± 2 % of Max
•
Automatic zero-tracking ± 2 % of Max
•
Indication of zero
Semi-automatic subtractive tare
Check-weighing
Issued by DELTA
Annex page 2 of 7
Annex to Test Certificate No. DK0199-R76-11.10
•
•
Weighing unstable samples
Totalisation
3. Technical data
3.1 Indicator
Type
Accuracy class
Weighing range
KFA-TM / KFE-TM / KFC-TM
III or IIII
Single-interval, multi-range or multi-interval scale intervals (n)
Minimum input voltage per VSI
6000 or 2
×3000 for class III,
1,000 or 2
×1000 for class IIII
1 µV
Maximum capacity of interval (Max i
): n i
× e i
Verification scale interval, e i
=
Initial zero-setting range:
Max i
/ n i
± 10 % of Max
Maximum tare effect:
Fractional factor (pi)
Excitation voltage
Circuit for remote sense
Minimum input impedance
Maximum input impedance
Connecting cable to load cell(s):
Supply voltage:
Operating temperature range
Peripheral interface(s)
100 % of Max
0.5
5 VDC
Not active
350 ohm
1200 ohm
See Section 3.1.1
9-12 VDC
Min / Max = -10 °C / +40 °C
See Section 4
3.1.1 Connecting cable between the indicator and the junction box for load cell(s), if any
3.1.1.1 4-wire system
Line
Maximum length
4 wires, shielded
The certified length of the load cell cable, which shall be connected directly to the indicator.
4. Interfaces
4.1 Load cell interface
Refer to section 3.1.1.
Any load cell(s) can be used for instruments under this certificate provided the following conditions are met:
•
•
There is a respective test certificate (EN 45501) or an OIML Certificate of Conformity (R60) issued for the load cell by a Notified Body responsible for type examination under the
Directive 2009/23/EC.
The certificate contains the load cell types and the necessary load cell data required for the manufacturer’s declaration of compatibility of modules (WELMEC 2, Issue 5, 2009, section
Issued by DELTA
Annex page 3 of 7
Annex to Test Certificate No. DK0199-R76-11.10
•
•
11), and any particular installation requirements. A load cell marked NH is allowed only if humidity testing to EN 45501 has been performed.
The compatibility of load cells and indicator is established by the manufacturer by means of the compatibility of modules form, contained in the above WELMEC 2 document, or the like, at the time of EC verification or declaration of EC conformity of type.
The load transmission must conform to one of the examples shown in the WELMEC 2.4 Guide for load cells.
4.2 Peripheral interfaces
The indicator may be equipped with the following protective interfaces that have not to be secured.
•
RS-232C
The peripheral interfaces are characterised “Protective interfaces” according to paragraph 8.4 in the
Directive.
5. Conditions for use
Legal use of the indicator for automatic weighing or as counting device is not allowed with reference to this test certificate.
6. Location of seals and inscriptions
Seals shall bear the verification mark of a notified body or alternative mark of the manufacturer according to ANNEX II, section 2.3 of the Directive 2009/23/EC. The seals shall be placed as shown in section 9.
Location of CE mark of conformity:
The CE mark of conformity is placed on the overlay on the rear side of the device.
Inscription near the display:
Max i
, Min i
, e i
Inscription on the overlay:
Type, accuracy class, Temp. -10 °C / +40 °C, Certificate No. DK0199-R76-11.05.
Other inscriptions on the overlay:
Manufacturer’s name and/or logo, Part No, Supply voltage.
Issued by DELTA
Annex page 4 of 7
Annex to Test Certificate No. DK0199-R76-11.10
7. Tests
The indicator has been tested according to EN 45501 and WELMEC 2.1 Guide for testing of indicators.
Examination / tests
Temperature tests: 20 / 40 / -10 / 5 / 20 (tested at minimum input-voltage sensitivity)
Temperature effect on no-load indication (tested at minimum input-voltage sensitivity)
Stability of equilibrium
Repeatability
Warm-up time
Voltage variations
Short time power reductions
Electrical bursts
Electrostatic discharges
Immunity to radiated electromagnetic fields
Damp heat, steady state
Span stability
Checklist
Maximum load cell cable length and impedance of cable to load cell
The test item fulfilled the maximum permissible errors at all tests.
8. Documentation
Contents of the technical documentation held by the notified body (reference No. A530976):
8.1
•
Product specification
Manuals and descriptions
•
Drawings
•
Etc.
8.2 Examination report
OIML R76 report no. DANAK-1911334, DANAK-1910859, DANAK-1910686,
DANAK-1910568, DANAK-1910388 and NMi 709226.
8.3 Test results
See above test reports.
Issued by DELTA
9. Pictures
Annex page 5 of 7
Annex to Test Certificate No. DK0199-R76-11.10
Figure 1a KFA-TM indicator without finalisation of front.
Figure 1b Finalisation of front for KFA-TM.
Issued by DELTA
Figure 2 Sealing of KFA-TM indicator.
Annex page 6 of 7
Annex to Test Certificate No. DK0199-R76-11.10
Figure 3a KFE-TM indicator without finalisation of front.
Figure 3b Finalisation of front for KFE-TM.
Issued by DELTA
Figure 4 Sealing of KFE-TM indicator.
Annex page 7 of 7
Annex to Test Certificate No. DK0199-R76-11.10
Figure 5a KFC-TM indicator without finalisation of front.
Figure 5b Finalisation of front for KFC-TM.
Issued by DELTA
Figure 6 Sealing of KFC-TM indicator.
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