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Operating manual 
Stainless steel table scales 

KERN  FOB 

 Type FOB-S, FOB NS, FOB-NL, TFOB-NL-A, TFOB-LM-A, TFOB-A 

Version 2.4 
2021-01 
GB 

FOB-BA-e-2124 

Summary of Contents for KEN FOB Series

Page 1: ...Operating manual Stainless steel table scales KERN FOB Type FOB S FOB NS FOB NL TFOB NL A TFOB LM A TFOB A Version 2 4 2021 01 GB FOB BA e 2124...

Page 2: ...g return transport 19 7 Unpacking Setup and Commissioning 20 7 1 Installation Site Location of Use 20 7 2 Unpacking 20 7 2 1 Placing 21 7 2 2 Levelling FOB and FOB LM models only 21 7 2 3 Scope of del...

Page 3: ...6 10 4 4 Models FOB LM 36 10 4 5 Models FOB 38 10 5 Menu settings 39 10 5 1 Setting weighing units 39 10 5 2 Automatic switch off function AUTO OFF in stand by mode 41 11 Error reports 43 12 Servicing...

Page 4: ...d adjustment weight not added class 500 g M1 5000 g M1 Warm up time 10 min Stabilization time typical 2 sec Operating temperature 10 C 40 C Humidity of air 25 95 non condensing Housing stainless steel...

Page 5: ...M1 5000 g M1 Warm up time 10 min Stabilization time typical 2 sec Operating temperature 10 C 35 C Humidity of air 25 95 non condensing Housing stainless steel B x D x H mm 170 x 150 x 40 Weighing plat...

Page 6: ...min Weighing Units g lb oz g lb oz ozt dwt Stabilization time typical 2 sec Operating temperature 5 C 35 C Humidity of air 25 95 non condensing Housing stainless steel B x D x H mm 285 x 255 x 90 Wei...

Page 7: ...g lb oz ozt dwt Stabilization time typical 2 sec Operating temperature 5 C 35 C Humidity of air 25 95 non condensing Housing stainless steel B x D x H mm 285 x 255 x 90 Weighing plate stainless steel...

Page 8: ...value 3000 120000 3000 120000 Range for adjustment with calibration weight A D converter value 30000 50000 40000 65000 Warm up time 10 min 10 min Weighing unit g Stabilization time typical 2 sec Oper...

Page 9: ...000 120000 3000 10000 Range for adjustment with calibration weight A D converter value 55000 80000 55000 80000 Warm up time 10 min 10 min Weighing unit g Stabilization time typical 2 sec Operating tem...

Page 10: ...g M1 Warm up time 10 min Weighing Units g lb oz Stabilization time typical 2 sec Operating temperature 5 C 35 C Humidity of air 25 95 non condensing Housing B x D x H mm 235 x 175 x 62 Weighing plate...

Page 11: ...FOB BA e 2124 11 3 Appliance overview 3 1 Components KERN FOB S KERN FOB NS KERN FOB NL...

Page 12: ...12 FOB BA e 2124 KERN FOB LM KERN FOB Pos Description 1 Weighing pan 2 Keyboard 3 Display 4 Rechargeable battery charge display 5 Levelling screw 6 Bubble level below weighing pan...

Page 13: ...ing Zeroing Taring Zeroing Switching the display background illumination on off long key press Taring Zeroing Switching the display background illumination on off long key press UNIT button Switch ove...

Page 14: ...14 FOB BA e 2124 Models FOB NS Models FOB NL Models FOB LM...

Page 15: ...iew of display Models FOB S FOB NS Models FOB NL Display Description g lb oz ozt dwt Weighing units Stability display Display Description g lb oz ozt dwt Weighing Units Stability display HOLD Display...

Page 16: ...e is a net weight value the balance is in tolerance weighing mode Display Description g Weighing unit Stability display Zero display Battery charge display When the display shows that the battery capa...

Page 17: ...s a net weight value the balance is in tolerance weighing mode Display Description g Weighing unit Stability display Zero display Rechargeable battery charge display Rechargeable battery charge displa...

Page 18: ...mage the measuring system Impacts and overloading exceeding the stated maximum load max of the balance minus a possibly existing tare load must be strictly avoided Balance may be damage by this Never...

Page 19: ...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 5 2 Personnel training Th...

Page 20: ...ing Protect the balance against high humidity vapours and dust Do not expose the device to extreme dampness for longer periods of time Non permitted condensation condensation of air humidity on the ap...

Page 21: ...sories Balance Weighing pan Mains adapter option KERN FOB A01 all models except models FOB Mains adapter standard FOB models only Battery all models except FOB models Rechargeable battery standard FOB...

Page 22: ...ood Models FOB S FOB NS FOB NL FOB Unlock weighing pan in the direction of the arrow Remove or replace the protection hood Models FOB LM Fasten the weighing plate support on the balance with the help...

Page 23: ...he weighing plate The load cell may be damaged 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...

Page 24: ...nderlying physical weighing principle to the existing acceleration due to gravity at its place of location only if the balance has not already been adjusted to the location in the factory This adjustm...

Page 25: ...es release the ON OFF key an internal numerical value is displayed example Press the TARE key 0 is displayed Put adjustment weight centrically on the weighing plate and press the TARE key CAL is displ...

Page 26: ...ON OFF is held down and Con x value is displayed press UNIT 3 times Then release the ON OFF button A 0000 password request will be displayed Enter 9810 or 9788 password When you press TARE the numeri...

Page 27: ...their technical data as verifiable If a balance is used where obligation to verify exists as described above it must be verified and re verified at regular intervals Re verification of a balance is c...

Page 28: ...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 example Place weighed items on...

Page 29: ...ample FOB NS Example FOB NL Place weighed items in the weighing container The net weight of the weighed items is displayed For L models a triangle appears below the NET symbol 9 3 Switch over weighing...

Page 30: ...or 0 display example Put the weighed item in place and press the HOLD key HOLD will appear and a small triangle flashes During this time an average value is recorded The triangle will stop flashing th...

Page 31: ...rtioning and sorting the unit will indicate exceeded or undershot limits by emitting an optical or acoustic signal Displayed triangle next to Weight of the weighed item Acoustic signal Optical signal...

Page 32: ...eatedly until the desired value is displayed Select the next digit with the UNIT key and set the value with the TARE key Repeat process for each digit Confirm entry with the HOLD key The display for e...

Page 33: ...rol is started The visual and acoustic signals indicate whether the weighed item is within the two tolerance limits Load below specified tolerance Load within specified tolerance Load exceeds specifie...

Page 34: ...ress the ON OFF and TARE buttons simultaneously and for approx 3 s until SET is displayed then release both keys Models FOB LM In the weighing mode press and hold UNIT button until SET and then Aoff i...

Page 35: ...FOB BA e 2124 35 10 4 Menu overview 10 4 1 Models FOB S Preset values may only be modified by trained and specialized personnel 1 Model FOB 500 1S 2 Model FOB 5K1S 10 4 2 Models FOB NS...

Page 36: ...36 FOB BA e 2124 10 4 3 Models FOB NL 10 4 4 Models FOB LM Verified Menu items relevant for verification are not available for verified balances...

Page 37: ...FOB BA e 2124 37 Not verified On non verified balances the contacts on the PCB must be short circuited with a jumper All menu items are available...

Page 38: ...38 FOB BA e 2124 10 4 5 Models FOB...

Page 39: ...layed 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 Press the TARE key again the weighing unit g is displayed exa...

Page 40: ...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 Switch between the set units using the UNIT key In order to swit...

Page 41: ...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 Press the UNIT key AOFF is displa...

Page 42: ...ting appears Press the UNIT key to select the desired setting 120s Auto off after 120 seconds 180s Auto off after 180 seconds 240s Auto off after 240 seconds 300s Auto off after 300 seconds OFF Auto o...

Page 43: ...on the weighing platform exceeds the capacity of the balance Reduce load Underload Increase the load if the error message remains please contact your retailer Zero range when switching on Check that...

Page 44: ...e solution acetic hydrochloric sulphuric or citric acid Do not use metal brushes or cleaning sponges of steel wool as this causes superficial corrosion Spilled weighing goods must be removed immediate...

Page 45: ...tteries inserted The displayed weight is permanently changing Draught air movement Table floor vibrations Weighing pan has contact with other objects Electromagnetic fields static charging choose diff...

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