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KERN FOB 500-1S Operating Manual

Stainless steel table scales
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Operating manual
Stainless steel table scales
KERN FOB
Type FOB-S
Type FOB NS
Type FOB-NL
Type FOB-LM
Type FOB
Version 2.0
2018-08
GB
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
FOB-BA-e-1820
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  • Page 1 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 manual Stainless steel table scales KERN FOB Type FOB-S Type FOB NS Type FOB-NL Type FOB-LM Type FOB Version 2.0 2018-08 FOB-BA-e-1820...

  • Page 2: Table Of Contents

    KERN FOB Version 2.0 2018-08 Operating manual Stainless steel table scales Contents Technical data ....................4 Declaration of conformity ................10 Appliance overview ..................11 Components ..........................11 Keyboard overview ........................13 Overview of display ........................15 Basic Information (General) ................ 18 Proper use ..........................
  • Page 3 Menu ......................35 10.1 Call up menu ..........................35 10.2 Navigation in the menu ......................35 10.3 Exit menu / return to weighing mode ..................35 10.4 Menu overview ......................... 36 10.4.1 Models FOB-S ........................36 10.4.2 Models FOB-NS ........................36 10.4.3 Models FOB-NL........................

  • Page 4: Technical Data

    1 Technical data KERN FOB-S, FOB-NS: KERN FOB 500-1S FOB 5K1S Readability (d) 0.1 g Weighing range (max) 500 g 5000 g Reproducibility 0.1g Linearity ± 0.2 g ± 2 g Weighing Units g, lb, oz, dwt, ozt Recommended adjustment...
  • Page 5 KERN FOB 0.5K-4NS FOB 5K-3NS Readability (d) 0.1 g Weighing range (max) 500 g 5000 g Reproducibility 0.1g Linearity ± 0.2 g ± 2 g Weighing Units g, lb, oz, ozt, dwt Recommended adjustment 500 g (M1) 5000 g (M1)
  • Page 6 FOB-NL: KERN FOB 3K-4NL FOB 7K-4NL Item no./ Type TFOB 3K-4NL-A Readability (d) 0,2 g 0.5 g / 1 g Weighing range (max) 3 kg 5 kg / 7.5 kg Reproducibility 0.5 g / 1 g 0.5 g / 1 g Linearity ±...
  • Page 7 KERN FOB 10K-3NL FOB 30K-3NL Readability (d) 1 g / 2 g 2 g / 5 g Weighing range (max) 8 kg / 15 kg 16 kg / 30 kg Reproducibility 1 g / 2 g 2 g / 5 g Linearity ±...
  • Page 8 KERN FOB-LM: KERN FOB 1K-4LM FOB 3K-3LM Item no./ Type TFOB 1K-4LM-A TFOB 3K-3LM-A Readability (d) 0.5 g Weighing range (max) 1.5 kg 3 kg Verification value (e) 0.5 g Verification class Minimum weight (min) 10 g 20 g Reproducibility 0.5 g...
  • Page 9 KERN FOB 6K-3LM FOB 10K-3LM Item no./ Type TFOB 6K-3LM -A TFOB 10K-3LM-A Readability (d) Weighing range (max) 6 kg 15 kg Verification value (e) Verification class Minimum weight (min) 40 g 100 g Reproducibility Linearity ± 4 g ± 10 g...

  • Page 10: Declaration Of Conformity

    KERN FOB: KERN FOB 1K-4 FOB 3K-3 FOB 6K-3 Item no./ Type TFOB 1K-4-A TFOB 3K-3-A TFOB 6K-3-A Readability (d) 0.5 g Weighing range (max) 1.5 kg 3 kg 6 kg Reproducibility 0.5 g Linearity 1.5 g Recommended adjustment 1.5 kg (M1)

  • Page 11: Appliance Overview

    3 Appliance overview 3.1 Components KERN FOB-S: KERN FOB-NS: KERN FOB-NL, FOB-LM: FOB-BA-e-1820...
  • Page 12 KERN FOB: Pos. Description Weighing pan Keyboard Display Rechargeable battery charge display Levelling screw Bubble level (below weighing pan) FOB-BA-e-1820...

  • Page 13: Keyboard Overview

    3.2 Keyboard overview Button Description Description • Turn on/off ON/OFF-button • Taring • Zeroing TARE-key • Taring • Zeroing • Switching the display background illumination on/off (long key press) • Switch-over weighing unit UNIT-button • Call up hold function HOLD button •...

  • Page 14: Models Fob-Nl

    Models FOB-NL: Models FOB-LM: Models FOB: FOB-BA-e-1820...

  • Page 15: Overview Of Display

    3.3 Overview of display Models FOB-S / FOB-NS: Display Description g, lb, oz, ozt, dwt Weighing units Stability display Models FOB-NL: Display Description Weighing Units g, lb, oz, ozt, dwt Stability display HOLD Display hold function Display net weight FOB-BA-e-1820...
  • Page 16 Models FOB-LM: Display Description Weighing unit Stability display Zero display Battery charge display When the display shows that the battery capacity is exhausted, the balance will automatically switch off after 30 seconds. LED lights up when the power adapter is connected next to the icon is displayed when: HOLD the data-hold function is active...
  • Page 17 Models FOB: Display Description Weighing unit Stability display Zero display Rechargeable battery charge display Rechargeable battery charge display • LED lights green when the rechargeable battery is fully charged • LED flashes green when rechargeable battery is being charged next to the icon is displayed when: HOLD the data-hold function is active the weight value is a net weight value...

  • Page 18: Basic Information (General)

    The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing. 4.3 Warranty Warranty claims shall be voided in case •...

  • Page 19: Monitoring Of Test Resources

    In KERN's accredited DKD calibration laboratory test weights and balances may be calibrated (return to the national standard) fast and at moderate cost. 5 Basic Safety Precautions 5.1 Pay attention to the instructions in the Operation Manual...

  • Page 20: Unpacking, Setup And Commissioning

    7 Unpacking, Setup and Commissioning 7.1 Installation Site, Location of Use The balances are designed in a way that reliable weighing results are achieved in common conditions of use. You will work accurately and fast, if you select the right location for your balance. Therefore, observe the following for the installation site: •...

  • Page 21: Placing

    7.3 Mains connection The balance may be operated via the optional 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. Illustration example KERN FOB...

  • Page 22: Assembly Or Disassembly Of The Protection Hood

    7.3.1 Assembly or disassembly of the protection hood  Unlock weighing pan in the direction of the arrow  Remove or replace the protection hood 7.4 Battery operation Remove battery cover at the lower side of the housing. Insert Battery, see. Chap. 1 "Technical Data".

  • Page 23: Initial Commissioning

    In the menu you can activate the AUTO-OFF function (see chap. 10.5.2 “Automatic switch-off function“). According to the selected settings, the balance switches automatically off in order to spare the battery. The empty battery is indicated on the display by „LobAt“. Press ON/OFF-key and replace the battery/ies immediately.
  • Page 24 Models FOB-S Balance display Operation  Turn on balance by pressing the ON/OFF key The balance carries out an autotest and changes then into the weighing mode, the zero display „0.0“ appears  Press the UNIT-key for approx. 3 seconds, „CAL“ appears shortly, then „CAL 0“...
  • Page 25 Models FOB-NS: Balance display Operation • Switch off the balance • Hold down the ON/OFF key, simultaneously press the UNIT key 3 times, release the ON/OFF key - an internal numerical value is displayed. ò (example)  Press the TARE key, "0" is displayed ...
  • Page 26 Models FOB-NL, FOB: Balance display Operation • Switch off the balance • Hold down the ON/OFF key, simultaneously press the UNIT key 3 times, release the ON/OFF key - an internal numerical value is displayed. ò (example)  Press the TARE key, "0" is displayed ...
  • Page 27 Models FOB-LM: • The adjustment is locked for verified balances. • To override the blocked access you will have to destroy the seal before calling up the menu and to short-circuit the two contacts on the circuit board, using a jumper, item see chap. 8). •...

  • Page 28: Verification (Fob-Lm Models Only)

    8 Verification (FOB-LM models only) General introduction: According to EU directive 2009/23/EC 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.

  • Page 29: Operation

    9 Operation 9.1 Simple weighing Balance display Operation • Turn on balance by pressing the ON/OFF key. The balance will carry out a self-test. Await zero display Should the balance not display exactly "0" despite unloaded weighing pan, press the TARE key. The balance returns to „0“...

  • Page 30: Taring

    9.2 Taring The dead weight of any weighing container may be tared away by pressing a button, so that the following weighing procedures show the net weight of the goods to be weighed. Balance display Operation • Deposit weighing container. The weight of the container is displayed.

  • Page 31: Hold Function (Fob, Fob-Nl/-Lm/ Models Only))

    9.4 Hold function (FOB, FOB-NL/-LM/ models only)) The balance has an integrated standstill function (mean value calculation). With this it is possible to weigh unstable samples to be weighed exactly. There are 2 possibilities: Balance display Operation • Turn on balance by pressing the ON/OFF key. The balance will carry out a self-test.

  • Page 32: Weighing With Tolerance Range (Fob, Fob-Lm Models Only)

    9.6 Weighing with tolerance range (FOB, FOB-LM models only) 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 tests such as dosing, portioning and sorting the unit will indicate exceeded or undershot limits by emitting an optical or acoustic signal.

  • Page 33: Fob-Ba-E

    Call function: • Press and hold the HOLD key for three seconds in the weighing mode. The tolerance weighing mode is displayed. The display for entering the lower limit value appears, the first digit flashes. The lower tolerance mark is displayed. Set limit values: •...
  • Page 34 • Finish the input with the HOLD-key, from here, you can determine whether the weighed item is within the two tolerance limits. Tolerance weighing  Tare when using a weighing container.  Put on goods to be weighed, tolerance control is started. The visual and acoustic signals indicate whether the weighed item is within the two tolerance limits.
  • Page 35 10 Menu 10.1 Call up menu • Models FOB-S/-NS In weighing mode, hold down the TARE key until followed by is displayed. • Models FOB-NL/-LM Switch off the balance • Press and hold the ON/OFF key. Press the TARE key 3 times simultaneously, then release both keys.

  • Page 36: Menu Overview

    10.4 Menu overview 10.4.1 Models FOB-S *Preset values may only be modified by trained and specialized personnel. Model FOB 500-1S Model FOB 5K1S 10.4.2 Models FOB-NS not documented FOB-BA-e-1820...
  • Page 37 10.4.3 Models FOB-NL 10.4.4 Models FOB-LM Verified: Menu items relevant for verification are not available for verified balances. Weighing mode FOB-BA-e-1820...
  • Page 38 Not verified: On non-verified balances, the contacts on the PCB must be short-circuited with a jumper. All menu items are available. FOB-BA-e-1820...
  • Page 39 10.4.5 Models FOB FOB-BA-e-1820...

  • Page 40: Menu Settings

    10.5 Menu settings 10.5.1 Setting weighing units Balance display Operation FOB-S / FOB-NS: • In weighing mode, press and hold the TARE button for approx. 3 seconds. ò „SEt“, followed by „Unit“ is displayed FOB-NL: • Switch off the balance Press and hold the ON/OFF key and simultaneously press the TARE key 3 times and then release both keys.
  • Page 41 • Press the UNIT key until "Unit" is displayed • Press the UNIT key, "A.Off" is displayed • Press the UNIT key, "CAP." is displayed • Press the UNIT key, "End" is displayed • Press the TARE key, to return to the weighing mode.

  • Page 42: Automatic Switch-Off Function „Auto Off" In Stand-By Mode

    10.5.2 Automatic switch-off function „AUTO OFF“ in stand-by mode The balance offers the possibility of the automatic switch-off, when the balance is in stand-by mode. The switch-off time may be selected as follows: Balance display Operation FOB-S / FOB-NS: • In weighing mode, press and hold the TARE button for approx.
  • Page 43 • Press the TARE key to confirm your selection, "AOFF" is displayed • Press the UNIT key, "CAP" is displayed • Press the UNIT key again, "End" is displayed • To return to weighing mode, press the TARE- key. The setting is saved. The auto-off function is only possible in battery operation.

  • Page 44: Error Reports

    11 Error reports Insert new batteries or connect the Battery empty balance to the power supply using the AC adapter. Overload - The weight on the weighing platform Reduce load exceeds the capacity of the balance. Increase the load, if the error Underload message remains, please contact your retailer...

  • Page 45: Servicing, Maintenance, Disposal

    Spilled weighing goods must be removed immediately. 12.2 Servicing, maintenance The appliance may only be opened by trained service technicians who are authorized by KERN. Before opening, disconnect from power supply. 12.3 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.

  • Page 46: Instant Help

    13 Instant help In case of an error in the program process, briefly turn off the balance and disconnect from power supply. The weighing process must then be restarted from the beginning. Help: Fault Possible cause The displayed weight does •...

This manual is also suitable for:

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