KERN ADS 100-4 Operating Instructions Manual

Analytical balance

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Operating instructions
Analytical balance
KERN ADS, ADT
Type TADS-A, TADT-A
Version 1.1
2024-12
GB
KERN & Sohn GmbH
Ziegelei 1
72336 Balingen-Frommern
Germany
TADS-A_TADT-A-BA-e-2411
www.kern-sohn.com
+0049-[0]7433-9933-0
+0049-[0]7433-9933-149
info@kern-sohn.com

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  • Page 1 KERN & Sohn GmbH www.kern-sohn.com Ziegelei 1 +0049-[0]7433-9933-0 72336 Balingen-Frommern +0049-[0]7433-9933-149 Germany info@kern-sohn.com Operating instructions Analytical balance KERN ADS, ADT Type TADS-A, TADT-A Version 1.1 2024-12 TADS-A_TADT-A-BA-e-2411...
  • Page 2: Table Of Contents

    KERN ADS, ADT Version 1.1 2024-12 Operating instructions Analytical balance Contents Technical data ................5 Declaration of Conformity ............7 Device overview ................8 Components ....................8 Operating elements .................. 10 Basic information (general) ............12 Intended use .................... 12 Improper use ....................
  • Page 3 Internal adjustment ................... 27 Automatic internal calibration (isoCAL) ............ 29 Basic operation ................31 General instructions for operation with draft shield ........31 Switch on ....................31 Standby mode ..................32 Zeros ......................32 Taring ....................... 33 Applications................35 10.1 Selection of a weighing application ............
  • Page 4 13.2 Maintenance, servicing ................. 77 13.3 Waste disposal ..................77 Small breakdown service ............78 Error messages ................. 79 TADS-A_TADT-A-BA-e-2411...
  • Page 5: Technical Data

    Technical data KERN ADS 100-4 ADS 200-4 ADS 300-4 Item number / type TADS 120-4-A TADS 220-4-A TADS 320-4-A Readability (d) 0,0001 g 0,0001 g 0,0001 g Weighing range (max) 120 g 220 g 320 g Reproducibility 0,0003 g 0,0003 g...
  • Page 6 CORE ADT 100-4 ADT 200-4 ADT 300-4 Item number / type TADT 120-4-A TADT 220-4-A TADT 320-4-A Readability (d) 0,0001 g 0,0001 g 0,0001 g Weighing range (max) 120 g 220 g 320 g Reproducibility 0,0003 g 0,0003 g 0,0004 g Linearity 0,0003 g 0,0003 g...
  • Page 7: Declaration Of Conformity

    ** Smallest part weight for piece counting - under normal conditions: ➢ Unsettled ambient conditions prevail (wind draught, vibrations) ➢ The counting parts scatter Declaration of Conformity The current EC/EU Declaration of Conformity can be found online at: www.kern-sohn.com/ce TADS-A_TADT-A-BA-e-2411...
  • Page 8: Device Overview

    Device overview Components Pos. Designation Windbreak Weighing plate Draft shield ring Bubble level Display with buttons (touchscreen) Levelling feet TADS-A_TADT-A-BA-e-2411...
  • Page 9 Pos. Designation USB-C connection RS232 / RS485 connection Mains connection Anti-theft device Underfloor weighing system TADS-A_TADT-A-BA-e-2411...
  • Page 10: Operating Elements

    Operating elements 3.2.1 Keyboard overview Button Name Function in operating mode ➢ Switch on ➢ Stand-by: The time is displayed during stand-by. Press again to switch the scales back on ➢ Output data PRINT ➢ Zeros ZERO ➢ Taring TARE 3.2.2 Numerical input Button...
  • Page 11 3.2.3 Display overview Pos. Symbol Description of the Button: [Menu] Button [iso]→ Starts isoCal Button: [CAL]→ Starts external calibration Application filter: Weighing or filling Environment button→ Switches between the environ- mental conditions: "very stable" (1.1.1.1), "stable" (1.1.1.2), "not stable" (1.1.1.3), "very unstable" (1.1.1.4), 1.1.1.1 1.1.1.2 1.1.1.3...
  • Page 12: Basic Information (General)

    Pos. Symbol Description of the Metrological data (depending on model): Maximum load Metrological data (depending on model): Readability Indicator: Printer connected Indicator: Computer connected Additional display (e.g. AUTO) • Weighing unit display and button: Displays the current weighing unit and allows you to change it by pressing the button (for available weigh- ing units, see Chap.
  • Page 13: Improper Use

    • The scale must not be modified in any way. This can lead to incorrect weighing results, safety-related defects and the destruction of the scale. • The scale may only be used in accordance with the specifications described. Deviating areas of use/application must be approved in writing by KERN. Guarantee Warranty expires with •...
  • Page 14: Test Equipment Monitoring

    Information on the monitoring of test equipment for balances and the test weights required for this is available on the KERN website (www.kern-sohn.com). In its accredited calibration laboratory, KERN can calibrate test weights and scales quickly and cost-effectively (traceability to the national standard).
  • Page 15: Packaging/Return Transport

    Packaging/return transport  Keep all parts in the original packaging for any necessary re- turn transport.  Only the original packaging is to be used for return transport.  Disconnect all connected cables and loose/movable parts be- fore despatch.  Refit any transport locks provided. ...
  • Page 16 TADS-A_TADT-A-BA-e-2411...
  • Page 17: Unpacking, Installation And Commissioning

    Unpacking, installation and commissioning Installation site, place of use The scales are designed to achieve reliable weighing results under normal operating conditions. You can work accurately and quickly if you choose the right location for your scales. Observe the following at the installation site: •...
  • Page 18: Unpacking And Checking

    Unpacking and checking Remove the appliance and accessories from the packaging, remove the packaging material and set up at the designated workstation. Check that all parts included in the scope of delivery are present and undamaged. Scope of delivery / standard accessories: •...
  • Page 19  Check levelling regularly TADS-A_TADT-A-BA-e-2411...
  • Page 20: Mains Connection

    Check that the voltage input of the scale is set correctly. The scale may only be connected to the mains if the information on the scale (sticker) and the local mains voltage are identical. Only use original KERN power supply units. The use of other makes re- quires the consent of KERN. Important: ➢...
  • Page 21: Adjustment

    Information on test weights can be found on the Internet at: http://www.kern-sohn.com • Ensure stable ambient conditions. A warm-up time (see section 1) is required for stabilisation. • Ensure that there are no objects on the weighing plate.
  • Page 22: External Adjustment

    External adjustment • The adjustment can be cancelled with [<] • The following error message appears in the event of an adjustment error: <CAL. / ERR> Activate external adjustment in the menu:  Open the following menu: <setup>→ <balance>  <cal/adj> open ...
  • Page 23  <cal. e xt> is displayed  Required calibration weight in grams is dis- played and starts flashing  Place the calibration weight in the centre of the weighing plate  The calibration weight display stops flash-  Scale performs the external adjustment ...
  • Page 24: External Adjustment With User-Defined Adjustment Weight

    External adjustment with user-defined adjustment weight • The adjustment can be cancelled with [<] • The following error message appears in the event of an adjustment error: <CAL. / ERR> Enter user-defined calibration weight:  Open the following menu: <input>→ <cal. w t> ...
  • Page 25  Select <e. c al. u 5r.>  Exit menu Perform external adjustment:  Unload the scales  Press [ZERO]  Press [CAL].  Required calibration weight in grams is displayed  Confirm  <CAL. / DN> appears on the display ...
  • Page 26  Scale performs the external adjustment  <cal. / up.> appears on the display  Remove the calibration weight from the weighing plate  <cal. / Ok> appears on the display  The scale switches to weighing mode TADS-A_TADT-A-BA-e-2411...
  • Page 27: Internal Adjustment

    Internal adjustment Internal adjustment is only available for the following series: TADT-A Activate internal adjustment in the menu:  Open the following menu: <setup>→ <balance>  <cal/adj> open  Select <int. c al> Perform internal adjustment:  Unload the scales ...
  • Page 28  The internal adjustment is carried out  During adjustment, [iso] flashes  When adjustment complete, <cal. / ok> appears on the display  The scale switches to weighing mode TADS-A_TADT-A-BA-e-2411...
  • Page 29: Automatic Internal Calibration (Isocal)

    Automatic internal calibration (isoCAL) The isoCAL function causes the scale to automatically carry out an internal calibration based on the ambient temperature and the running time. The isoCAL function is always active for the following series and cannot be deactivated: TADT-A Activate isoCAL in the menu: ...
  • Page 30 Variant A - Manual start of internal adjustment when prompted:  [iso] flashes  Confirm  Internal adjustment is carried out  The scale switches to weighing mode Variant B - Automatic start of internal adjustment:  [iso] flashes  Internal adjustment is performed automati- cally ...
  • Page 31: Basic Operation

    Basic operation General instructions for operation with draft shield Ensure that the scale doors are closed during weighing to obtain accurate weighing results. Switch on  Press [ON]  The display of the scales switches on  The scales carry out a self-test ...
  • Page 32: Standby Mode

    Standby mode To switch off the scale completely, it must be disconnected from the mains. However, this is not recommended if the scale is in regular use due to the warm-up time.  Press [ON] when the scales are switched ...
  • Page 33: Taring

    Taring The tare weight of any weighing container can be tared off at the touch of a button so that the net weight of the weighed goods is displayed for subsequent weighings.  Place the container on the weighing plate ...
  • Page 34 • When the scales are unloaded, the stored tare value is displayed with a negative sign. • To delete the stored tare value, release the load on the weighing plate and press the TARE button or ZERO button. • The taring process can be repeated any number of times, for ex- ample when weighing in several components to form a mixture (ad- ditional weighing).
  • Page 35: Applications

    Applications For all applications, the result can be output to a connected device when [PRINT] is pressed. 10.1 Selection of a weighing application Call up the menu and select the weighing application:  Open menu  Select <applic. >  Select the desired application (for an over- view of the applications, see Chap.
  • Page 36: Simple Weighing

    10.2 Simple weighing 10.2.1 Application menu  Applic→ weigh Parameters Setting Code Description of the UNIT 4. 1 . 1 . 1 Activates the button to switch between weighing units 4. 1 . 1 . 2 Deactivates the button to switch between weighing units APP.
  • Page 37 10.2.2 Carry out simple weighing  Open the following menu: <applic> → <weigh>  Select application  Exit menu  Zeroing or taring if necessary  Load the sample  Read the weight value Overload warning Avoid overloading the appliance beyond the specified maximum load (Max), minus any existing tare load.
  • Page 38 10.2.3 Carry out underfloor weighing ⚠ CAUTION Risk of breakage due to overloading of the hook Falling loads can lead to injuries  Check that the scales are free of damage and in perfect working order before each use.  Never exceed the specified maximum load (max.) of the scale. ...
  • Page 39 10.2.4 Changing the weighing unit Activate available weighing units for quick access in the menu:  Open the following menu: <setup> → <balance>  Open <wt. u nit>  Select the desired weighing unit (refer to the technical data for available weighing units) ...
  • Page 40 Change the weighing unit during operation:  Touch the weighing unit field (quick access must be activated→ see Chap. 10.2.1)  The display changes the weighing unit To deactivate the quick access function, make the following setting: Applic→ weigh→ unit→ off After this setting, the scale only displays the last active weighing unit.
  • Page 41: Counting

    10.3 Counting The "Counting" application enables several parts to be counted on the weighing plate. The scale requires the average piece weight to determine the number of pieces. For this purpose, a defined number of parts is placed on the scale as a reference quantity. This number is used to calculate the average piece weight, which serves as the basis for the count.
  • Page 42  Place reference quantity  Press [v]  Select number of reference pieces  Current reference quantity is displayed Weigh the total number of units:  Add more pieces  Read off the total quantity TADS-A_TADT-A-BA-e-2411...
  • Page 43: Percentage Weighing

    10.4 Percentage weighing The "Percentage weighing" application allows you to determine the percentage of a sample in relation to a reference weight. 10.4.1 Application menu  Applic→ percent Parameters Setting Code Description of the DEC. P LCS NONE 4. 3 . 1 . 1 Percentage value is displayed without deci- mal places 1 DEC.
  • Page 44  Apply reference weight  Press [v]  Select the percentage value of the refer- ence weight  Current percentage value is displayed  Remove reference weight TADS-A_TADT-A-BA-e-2411...
  • Page 45 Determine the percentage value of another load:  Apply a new load  Percentage value of the load in relation to the reference weight is displayed TADS-A_TADT-A-BA-e-2411...
  • Page 46: Net Total

    10.5 Net total The "Net total" application enables the weighing of individual components to form a mixture. 10.5.1 Application menu  Applic→ net. t ot Parameters Setting Code Description of the PRT. C OMP 4. 4 . 1 . 1 Values of the individual components are output 4.
  • Page 47  The scale displays the weight of the com- ponent  Confirm  The scale stores the weight of the compo- nent (the number at the bottom left indi- cates the number of components weighed)  The scales tare automatically ...
  • Page 48: Dynamic Weighing

    10.6 Dynamic weighing The "Dynamic weighing" application enables the weighing of unsteady loads (e.g. an- imals). As soon as the weight fluctuations are within a certain range, the scales can "freeze" and display the measurement result. 10.6.1 Application menu  Applic→ anim. w g Parameters Setting Code...
  • Page 49 Set the average number of measuring cycles: The higher the set value, the more measurements are taken before a result is dis- played. If the load is too unsteady, the measurements are stopped and restarted.  Press [v]  Select the desired number of measuring cycles ...
  • Page 50 Variant A - Manual start (<START>→ <MANUAL>):  Place sample  Confirm Variant B - Automatic start (<START>→ <auto>):  <AUTO> is shown on the left of the display  Confirm  Place sample  Confirm again TADS-A_TADT-A-BA-e-2411...
  • Page 51: Calculation

    Read off the measurement result:  Measurement is performed and the re- maining number of measurement cycles is displayed (in the example = 5 cycles)  The held weighing result is indicated by the flashing mouse symbol  Press [<] to exit the view and perform a new measurement 10.7 Calculation...
  • Page 52  Select <Method>  Select method  If necessary, make further settings (see Chap. 10.7.1)  Exit menu Enter factor or divisor:  Press [v]  Enter value (for numerical input, see Chap. 3.2.2) Perform calculation:  Zeroing or taring if necessary ...
  • Page 53: Density Determination

     The result of the calculation is displayed  Press [<] to end the current calculation 10.8 Density determination When determining the density of solids, the solid is first weighed in air and then in an auxiliary medium (e.g. distilled water or ethanol) whose density is known. The difference in weight results in the buoyancy, from which the software calculates the density.
  • Page 54 Immersion basket on the device for underfloor weighing Container for auxiliary medium Auxiliary medium Stable table for the scales Dipping basket A density determination set can be used as an alternative to underfloor weighing. Information on density determination kits can be found at www.kern- sohn.com TADS-A_TADT-A-BA-e-2411...
  • Page 55 10.8.3 Carry out density determination  Open the following menu: <applic>→ <density>  Select application Select the substance type of the sample:  Confirm  Select <dec. t ype>  Select fabric type  If necessary, make further settings (see Chap.
  • Page 56 Perform density determination (example for underfloor weighing):  Measuring equipment according to chap. 0 Prepare  Tare the empty basket in the air (not in the auxiliary medium)  Confirm  <AIR> is displayed  Place the sample in the dipping basket ...
  • Page 57  Place a container with water or other liquid under the scales  Place the sample in the dipping basket  Fully immerse the immersion basket with the sample in the water or liquid  Confirm  Density of the sample is displayed ...
  • Page 58: Statistics Function

    10.9 Statistics function The statistics function records up to 99 values and analyses them statistically. Subse- quent values are saved and output: • Highest value (maximum) • Lowest value (minimum) • Number of samples measured • Standard deviation • average A printer must be connected and configured before the function can be used.
  • Page 59 Variant A - Use statistics function with <tar. s tat>→ <on>:  The scale is now in statistics mode  Zeros, if applicable  If necessary, place empty container on the weighing plate and tare  Apply weight  Confirm ...
  • Page 60 Variant B - Use the statistics function with <tar. s tat>→ <off>:  The scale is now in statistics mode  Zeros, if applicable  If necessary, place empty container on the weighing plate and tare  Apply weight  Confirm ...
  • Page 61  Weigh in the next weight  Confirm  For further weighings, continue as de- scribed above • Press [ ] or [ ] to switch between the display of the current weight, the display of the sample number and the average weight •...
  • Page 62: 10.10 Peak Value Function

    10.10 Peak value function The peak value function determines the maximum weight value (peak value) of a sam- ple. To do this, the sample is removed from the weighing pan and the scale automati- cally determines the peak value within 5 seconds. 10.10.1 Application smenu ...
  • Page 63  Zeroing or taring if necessary  Confirm to start the peak value measure- ment  Apply weight Display peak value:  Current weight is displayed  Press [v]  Peak value is displayed  Press [v] to exit the display again •...
  • Page 64: 10.11 Tolerance Weighing

    10.11 Tolerance weighing Setting a tolerance range allows you to quickly check whether a weight value is within certain limits. 10.11.1 Application smenu  Applic→ check. w g Parameters Setting Code Description of the INPUT MANUAL 4. 1 0. 1 . 1 Limit values are entered numerically WG.
  • Page 65  Enter limit value (for numerical input, see Chap. 3.2.2)  Then select and enter another limit value  Confirm  Exit menu Carry out tolerance weighing:  Zeroing or taring if necessary  Confirm to start the peak value measure- ment ...
  • Page 66: 10.12 Totalise

    10.12 Totalise The totalise application allows you to weigh different samples and add up the weight values. This function can be used, for example, to weigh individual batches in order to determine the total stock. 10.12.1 Application smenu  Applic→ total Parameters Setting Code...
  • Page 67  Confirm  Weight value is saved (the number at the bottom left shows the number of values in the totalising memory)  Remove weight  Apply a new weight  Confirm  Carry out further weighings if necessary • Press [ ] or [ ] to switch between the display of the current num- ber of values in the totaliser memory and the display of the current weight •...
  • Page 68: Menu

    Menu 11.1 Navigation in the menu Button Name • Open menu • Scroll forwards or backwards through menu items or settings • Return to previous menu or exit menu • Confirm current selection 11.2 Main menu Level 1 Level 2 Code Description of the SETUP...
  • Page 69 Level 1 Level 2 Code Description of the APPLIC. Applications→ see Chap. 10 Weigh 4. 1 . Simple weighing→ see Chap. 10.1 count 4. 2 . Counting→ see chapter 10.3 per cent 4. 3 . Percentage weighing→ see Chap. 10.4 Net.
  • Page 70: Setup Menu

    11.3 Setup menu 11.3.1 Basic scale settings  Setup→ balance Parameters Setting Code Description of the AMBIENT V. S TABLE 1. 1 . 1 . 1 Ambient conditions "very stable" STABLE 1. 1 . 1 . 2 Stable" ambient conditions UNSTABL 1.
  • Page 71 Parameters Setting Code Description of the WT. U NIT GRAMS 1. 1 . 5 . 1 Weighing unit: g CARATS 1. 1 . 5 . 2 Weighing unit: ct MILLIGR 1. 1 . 5 . 3 Weighing unit: mg OUNCES 1.
  • Page 72 Parameters Setting Code Description of the CAL/SEQ ADJUST 1. 1 . 9 . 1 After calibration, the scale automatically switches to weighing mode CAL-ADJ 1. 1 . 9 . 2 After adjustment, a manual confirmation must be car- ried out before the scale switches back to weighing mode EXT.
  • Page 73: Device Settings

    11.3.2 Factory settings  Setup→ genserv Parameters Setting Code Description of the MENU. R ES. DEFAULT 1. 2 . 1 . 1 Restore factory settings 1. 2 . 1 . 2 Do not restore factory set- tings 11.4 Device settings 11.4.1 User customisations ...
  • Page 74: Data Output Settings

    11.5 Data output settings  Data. o ut. → prnt. p ar. Parameters Setting Code Description of the ACTIVAT MAN. N O 3. 1 . 1 . 1 Manual data output of all values MAN. A FTR 3. 1 . 1 . 2 Manual data output of sta- ble values INTERV.
  • Page 75: Input Menu

    11.6 Input menu  input Parame- Setting Code Description of the ters DEV. I D 5. 1 . 1 Max. 14 charac- Enter device ID ters (0-9, A-Z) LOT ID PRINT 5. 2 . 1 . 1 Output lot ID in the GLP protocol 5.
  • Page 76: Communication With Peripheral Devices

    Switch off the scale and printer.  Connect the scale to the interface of a printer using a suitable cable Error-free operation is only guaranteed with the appropriate KERN interface ca- ble (optional).  Switch on the scale and printer.
  • Page 77: Maintenance, Servicing, Disposal

    13.2 Maintenance, servicing  The device may only be opened by trained service technicians authorised by KERN.  Disconnect from the mains before opening. 13.3 Waste disposal The operator must dispose of the packaging and appliance in accordance with the applicable national or regional legislation at the place of use.
  • Page 78: Small Breakdown Service

    Small breakdown service If there is a fault in the programme sequence, the scale should be switched off briefly and disconnected from the mains. The weighing process must then be restarted from the beginning. Malfunction Possible cause • The power supply unit is not plugged in scales cannot switched on...
  • Page 79: Error Messages

    Error messages Error message Explanation HIGH Overload Underload PRE55-0 Zero setting error Pre55-t Taring error CAL/ERR Adjustment error diserr Settings error TADS-A_TADT-A-BA-e-2411...

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