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KERN & Sohn GmbH

Ziegelei 1
D-72336 Balingen
E-Mail: [email protected]

Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com

Operating manual
Compact balance

KERN FOB-N

Version 1.0
09/2014
GB

FOB-N-BA-e-1410

FOB-NS

FOB-NL

Содержание FOB-N series

Страница 1: ...gelei 1 D 72336 Balingen E Mail info kern sohn com Phone 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com Operating manual Compact balance KERN FOB N Version 1 0 09 2014 GB FOB N BA e 1410 FOB NS FOB NL ...

Страница 2: ...rt 7 5 Unpacking Setup and Commissioning 8 5 1 Installation Site Location of Use 8 5 2 Unpacking 8 5 2 1 Placing 9 5 2 2 Scope of delivery 9 5 3 Mains connection optional 9 5 4 Battery operation 9 5 5 Initial Commissioning 10 5 6 Adjustment 10 5 7 Adjustment 10 6 Operating elements 13 6 1 Keyboard overview 13 6 1 1 Models FOB NS 13 6 1 2 Models FOB NL 14 6 2 Overview of display 15 6 2 1 Models FOB...

Страница 3: ...NS 21 8 3 2 Models FOB NL 21 8 4 Menu settings 22 8 4 1 Setting weighing units 22 8 4 2 Automatic switch off function AUTO OFF in stand by mode 24 9 Error messages 26 10 Servicing maintenance disposal 26 10 1 Cleaning 26 10 2 Servicing maintenance 26 10 3 Disposal 26 11 Instant help 27 FOB N BA e 1410 3 ...

Страница 4: ...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 35 C Humidity of air 25 95 non condensing Housing B x D x H mm 170 x 150 x 40 Weighing plate stainless steel mm 120 x 150 x 10 Weight kg net 650 g Auto off Options 2 3 4 5 min off Battery 9 V block Secondary voltage powerpack 9 V 100 mA IP protection IP65 4 FOB N BA ...

Страница 5: ...s g lb oz ozt dwt Recommended adjustment weight not added class 5 kg M1 10 kg M1 30 kg M1 Warm up time 30 min 30 min 30 min 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 285 x 255 x 90 Weighing plate stainless steel mm 252 x 200 x 14 Weight kg net 3611 g Auto off 2 min Battery 4 x 1 5 V AA Secondary voltage powerpack 9 V 1...

Страница 6: ...ring system Impacts and overloading exceeding the stated maximum load max of the balance minus a possibly existing tare load must be strictly avoided Balance may be damage by this Never operate balance in explosive environment The serial version is not explosion protected The structure of the balance may not be modified This may lead to incorrect weighing results safety related faults and destruct...

Страница 7: ...efully read this operation manual before setup and commissioning even if you are already familiar with KERN balances All language versions contain a non binding translation The original German is binding 3 2 Personnel training The appliance may only be operated and maintained by trained personnel 4 Transport and storage 4 1 Testing upon acceptance When receiving the appliance please check packagin...

Страница 8: ...nce 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 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 wei...

Страница 9: ...ins 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 5 4 Battery operation Unscrew battery cover on the bottom of the housing see figure 1 9 V block battery FOB NS or 4 x 1 5V AA batteries FOB NL Put battery cover back in place and tighten it Fig 1 FOB NS FOB NL When you tighten the battery cover...

Страница 10: ...power supply mains or battery The accuracy of the balance depends on the local acceleration of gravity Strictly observe hints in chapter Adjustment 5 6 Adjustment As the acceleration value due to gravity is not the same at every location on earth each balance must be coordinated in compliance with the underlying physical weighing principle to the existing acceleration due to gravity at its place o...

Страница 11: ...isplay Operation example Switch off the balance Press and hold press 3x at the same time release an internal value is displayed example Press 0 is displayed Put adjustment weight in the centre of the weighing plate and press CAL is displayed followed by the value of the adjustment weight Take away adjustment weight The balance changes into weighing mode Adjustment has now been completed successful...

Страница 12: ...ue is displayed example Press 0 is displayed Put adjustment weight in the centre of the weighing plate wait for stability display and press CAL is displayed followed by the value of the adjustment weight Take away adjustment weight The balance changes into weighing mode Adjustment has now been completed successfully 12 FOB N BA e 1410 ...

Страница 13: ...nation Pressed once and released ON OFF Turn on off Call up adjustment press and hold button TARE Taring In menu Passing through menu items from top to bottom UNIT Weighing units switching over Invoke adjustment Passing through menu items from left to right FOB N BA e 1410 13 ...

Страница 14: ...stment press and hold button TARE Taring Display backlight press button long time In menu Passing through menu items from top to bottom UNIT Weighing units switching over Call up adjustment press shortly 3x Passing through menu items from left to right HOLD Call up hold function 14 FOB N BA e 1410 ...

Страница 15: ...S Display Description g lb oz ozt dwt Display weighing units Stability display 6 2 2 Models FOB NL Display Description g lb oz ozt dwt Display weighing units Stability display HOLD Display hold function NET Display net weight FOB N BA e 1410 15 ...

Страница 16: ...test Wait for 0 display If the balance should not exactly display 0 despite the relieved weighing pan press L models or S models The balance returns to 0 example Place goods to be weighed on balance Wait until the stability display appears Read weighing result To switch off the balance press shortly 16 FOB N BA e 1410 ...

Страница 17: ...ls or S models the zero display appears The weight of the container is now internally saved example FOB NS example FOB NL Place goods to be weighed in the weighing container The net weight of the goods to be weighed is displayed For L models a triangle appears below the NET symbol 7 3 Weighing units switch over According to the requirements the balance can be switched over into different units The...

Страница 18: ...tion Start balance by pressing The balance will carry out a self test Wait for 0 display example Put sample to be weighed in place and press HOLD will appear and a small triangle flashes During this time an average value is recorded The triangle will stop flashing the stability display appears and the weight value obtained is displayed By pressing the balance returns to weighing mode The triangle ...

Страница 19: ... to be weighed in place The stability display will appear after a short time the triangle will stop flashing and the obtained weight value is displayed By pressing the balance returns to weighing mode The triangle disappears 7 5 Backlight of the display only L models The balance has the ability to turn the backlight of the display on or off For this purpose press for approx 3 sec FOB N BA e 1410 1...

Страница 20: ...lease both buttons S Models The menu is accessed by pressing in weighing mode for approx 3 seconds 8 2 Navigation in the menu Button Direction in the menu Description L models S models Passing through menu items from top to bottom Confirm selection Passing through menu items from left to right 20 FOB N BA e 1410 ...

Страница 21: ...8 3 Menu overview 8 3 1 Models FOB NS not documented 8 3 2 Models FOB NL FOB N BA e 1410 21 ...

Страница 22: ...ed by Unit is displayed FOB L Switch off the balance Press and hold and press 3x at the same time then release both buttons Press or again the weighing unit g is displayed example Use to change to the desired unit Press or OFF is displayed example Use to change to On example Press or the selected unit is displayed and set 22 FOB N BA e 1410 ...

Страница 23: ...f will be shown Press CAP is displayed Press End is displayed Press or to return to weighing mode Use to change between the set units In order to switch off the units display proceed as described above and set the selected unit to Off FOB N BA e 1410 23 ...

Страница 24: ...mode press button for approx 3 seconds SEt followed by Unit is displayed FOB L Switch off the balance Press and hold and press 3x at the same time then release both buttons Press AOFF is displayed Press or the current setting will be displayed Select the desired setting by pressing 120s Auto off after 120 seconds 180s Auto off after 180 seconds 240s Auto off after 240 seconds 300s Auto off after 3...

Страница 25: ... Press CAP is displayed Press again End is displayed Using or the balance returns to weighing mode The setting is saved The auto off function is only possible in battery operation In mains operation this function is turned off FOB N BA e 1410 25 ...

Страница 26: ...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 Spilled weighing goods must be removed immediately 10 2 Servicing maintenance The appliance may only be opened ...

Страница 27: ...serted The displayed weight is permanently changing 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 weighing result is obviously incorrect The display of the balance is not at zero Adjustment is no longer correct Great fluctuations in temperature ...

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