Operating instructions Compact balance
Contents
1. KERN amp Sohn GmbH Ziegelei 1 Phone 49 0 7433 9933 0 D 72336 Balingen Fax 49 0 7433 9933 149 email info kern sohn com Internet www kern sohn com PST WAAGEN GEWICHTE BALANCES WEIGHTS Operating instructions Compact balance KERN FFN N Version 2 0 05 2011 GB FFN N BA e 1120 CoB gt KERN FFN N Version 2 0 05 201 1 Operating instructions Compact balance Table of Contents 4 FFN N BA e 1120 ek ek Technical Dala ina 4 a e E E 5 AA O EO 6 OVETWIOW EEG PIS td Sd aa aa E 6 Keyboard OVEIMEW atas aaa eten tekeer S S a SS GEE 7 BASICINIO MANO Ne antennen DES a 8 MODEM EE 8 IMproper AIEE 8 Warran y OD 8 Momtenng or Test lee el eee 8 Basic Safety Sel au EAEAN 9 Pay attention to the instructions oft the Operation Manual rss 9 Personnel alistan iia Si n 9 Transportation amp BIOITGGIO saso 9 Testna UPOn ACCEPLANGE mmmmmmmmmmmmmmmmmrmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmi 9 Packaging y return Jazeera 9 Unpacking Setup and COMMISSIONING asse 10 Installation Site Location of USO 10 Unpacking and implantation rra 11 SCOPE Ol S el 13 Ballen Ele Mega elea 13 Mains connection during rechargeable battery operation rss 15 Mia GOMMMISSIO MING Sa 16 PrOlSCHON VPE NP 26 7 nine bannen wenst dada 16 PACS gg A GEEAE 16 AUS IM a Bo 16 A a ee eee nen ee ee ee ee A q 18 PA eo a 0 6 EP 18 E Ee ga a EE 18 Weighing UNITS SICAV Sua A DA AA abi 19 The MENU meesteres lane lale lana dane t2. LU gt Insert the rechargeable battery in a manner that it cannot slip fasten with a rubber mat D Ensure that the cables are not squeezed FFN N BA e 1120 14 gt Close the rechargeable battery cover gt Move both levers 90 to the right If in the display the triangle W appears above the capacity display the rechargeable battery is nearly exhausted Connect power pack the rechargeable battery is loaded 6 3 1 Mains connection during rechargeable battery operation During the rechargeable battery operation ensure that the mains connection is covered with a rubber cap Only by this the type of protection IP67 is ensured 15 FFN N BA e 1120 6 4 Initial Commissioning In order to obtain exact results with the electronic balances your balance must have reached the operating temperature see warming up time chap 1 The weighing scale must be connected to the power supply batteries during this warm up time The accuracy of the balance depends on the local acceleration of gravity Strictly observe hints in chapter Adjustment 6 5 Protection type IP 67 Dust and spray water protection The KERN EEN is in compliance with the requirements set for protection type IP67 Suitable for short term use in wet areas Dustproof 7 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 physi
3. and changes to weighing mode FFN N BA e 1120 22 10 Error messages Display Description Zero range exceeded Electronic error 23 FFN N BA e 1120 11 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 Fault Possible cause The displayed weight does not glow The balance is not switched on Batteries are inserted incorrectly or empty No batteries inserted The displayed weight is permanently Draught air movement changing 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 value is obviously The display of the balance is not at zero wrong Adjustment is no longer correct Great fluctuations in temperature The balance is on an uneven surface Electromagnetic fields static charging choose different location switch off interfering device if possible should other error messages occur switch balance off and then on again If the error message remains inform manufacturer FFN N BA e 1120 24 12 Service maintenance disposal 12 1 Cleaning Remove batteries from instrument before cleaning Please do not use aggressive cleaning agents solvents or similar agents but a cloth dampened with mild soap suds Ensu
4. 1 Overview of displays Display gt 06 Designation Zeroing display Stability display Net weight display Capacity display Rechargeable battery Power supply connected Display weighing unit kg Display weighing unit Ib FFN N BA e 1120 Description Should the balance not display exactly zero E3 despite empty scale pan press the button Will be reset to zero after short waiting time Scales are in a steady state Net weight will be displayed Rechargeable battery almost empty please connect power pack Icon is glowing for power supply via power pack Displayed weight in kg Displayed weight in lb y D LLI 2 2 Keyboard Overview Button TARE gt 06 TARE 18 3 e Designation ON OFF switch TARE button Zero setting key TARE ZERO key Function Turn on off Tare balance Balance set at zero Change units in the menu Call up menu Change to the next menu item parameter Select menu item parameter FFN N BA e 1120 3 Basic Information 3 1 Proper use The balance you purchased is intended to determine the weighing value of material to be weighed It is intended to be used as a non automatic balance 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 balance for dynamic weighing In th
5. ania dana doa doca doca ana dada dana dana duna duo a iaa iaa 20 EMPERO 20 MEA a a El E oO 21 Set autor O RF I eis i sucia it dani 22 10 11 12 12 1 12 2 12 3 o A PP A 23 PIS CANU FICN aA 24 Service maintenance disposal aannemen menemen menen nennenen 25 Eg us tactil ld E RO PR O 25 Service MmaltenancO nia cada oant otter emanates aa atinada 25 VISDOS daaa ketakoa oa desaba ada aitaitak ra betten 25 FFN N BA e 1120 1 Technical Data Weighing range max 25 kg Reproducibility 5g Recommended adjustment weight not added class Stabilization time typical Units Warm up time Electric Supply Battery power supply 3 kg 6 kg 15 kg 25 kg M3 M3 M3 M3 2 Sec kg D 30 min Supply voltage 110V 230V AC Mains adapter 12 V 0 8 A Operating period Background lighting on 30 h Background lighting off 50 h Loading time 12 h Auto off Rechargeable battery Display mode Operating temperature Humidity of air Weighing plate dimensions stainless steel mm Casing dimensions Total dimensions mounted mm Weight kg net IP protection o N I FFN N BA e 1120 15 min 5 min 3 min off LCD digit size 25 mm 0 C 40 C 25 95 non condensing 230 x 190 230 x 300 x 130 230 x 300 x 130 IP67 ds KO O LL 1 1 Dimensions WD to 208 230 EAU ED 1 6 300 FFN N BA e 1120 2 Appliance Overview 2
6. cal 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 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 balance periodically in weighing operation 7 1 Adjustment Carry out adjustment as near as possible to the maximum load of the scale See chpt 1 Techn data The accuracy of the weight used for adjustment has to correspond approximately to readability d of the scale or rather closer than that Info about test weights can be found on the Internet at http www kern sohn com Procedure when adjusting Observe stable environmental conditions A warming up time see chapter 1 is required for stabilization FFN N BA e 1120 16 Display Operation gt Start balance by pressing gt Whilst the weighing scale is carrying out a self test 00 99 press Use and hold until the message F1 CAL appears gt Press in the display appears UnLod 3 gt press again II U 7 the weight value will be displayed i F gt Enter value for adjustment weight See chpt 1 by J gt Position weight 0 RAAR gt Press Li Lite Remove weight whilst scale is carrying out self test Weighing scale change
7. 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 balance test substances and the test weighis required for this In KERN s accredited DKD calibration laboratory test weights and balances may be calibrated return to the national standard fast and at moderate cost FFN N BA e 1120 8 4 Basic Safety Precautions 4 1 Pay attention to the instructions oft 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 Transportation amp 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 gt Keep all parts of the original packaging for a possibly required return gt Only use original packaging for returning gt Prior to dispatch disconnect all cables and remove loose mobile parts gt Reattach possibly supplied transport securing devices gt Secure all parts such as glass wind screen weighing platform power unit etc against shifting and damage 9 FFN N BA e 1120 6 Unpacking Setup and Commissioning 6 1 Installation Site Location of Use The balances are designed in a way
8. e 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 balance 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 balance minus a possibly existing tare load must be strictly avoided Balance may be damaged 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 destruction of the balance The balance may only be used according to the described conditions 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 3 4 Monitoring of Test Resources In the framework of quality assurance the measuring related properties of the balance and if applicable the testing weight must be checked regularly The responsible user must
9. he weighing tray and the load are present on the weighing platform gt Remove weighing goods and receptacle Gross weight will be shown as a negative value 8 3 Weighing units switch over gt Press and at the same time The weighing scale switches between the kg and lb units 19 FFN N BA e 1120 9 The menu 9 1 Navigation in the menu gt Start balance by pressing gt While the balance carries out a self test press and keep pressed until F1 CAL appears TARE gt Use to change to the next menu item emus gt Select menu item using gt Use to change between the individual parameters 0 gt Select the desired parameter using FFN N BA e 1120 20 9 2 Men bersicht Menu item Function Calibration not documented not documented not documented Auto OFF function adjustable between off 3 5 and 15 minutes not documented Return to weighing mode by 21 FFN N BA e 1120 9 3 Set auto OFF function gt Start balance by pressing gt While the balance carries out a self test press and keep pressed until F1 CAL appears gt Press repeatedly until F5 OEE appears 0 gt Select function using gt Use to change between the individual parameters gt 0 gt Select the desired parameter using F5 OFF appears now the function is enabled SACI E H H E gt Press repeatedly until bACK appears gt Press The balance carries out a restart
10. re that no liquid penetrates into the device and wipe with a dry soft cloth Loose residue sample powder can be removed carefully with a brush or manual vacuum cleaner Spilled weighing goods must be removed immediately 12 2 Service 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 20 FFN N BA e 1120
11. s to zero display This completes the adjustment process 7 FFN N BA e 1120 8 Operation 8 1 Weighing gt Start balance by pressing Program version is displayed p Afterwards the balance will carry out a self test The balance will be ready for operation as soon as weight pp reading 0 0 and the triangular icon W above the stability display mu appear 0 The key can be used to set the balance to zero at any time gt Turn off scale by pressing The 0 0 display disappears and the weighing scale is now switched off 8 2 Taring The tare weight of any preloads can be deducted by pressing a button so that the actual weight of the baby is displayed in subsequent weighings TARE gt Put on weighing receptacles and press The zero display appears as well as the triangle V above the zero setting icon 20 as well as the stability icon ha d and the net weight icon NET The weight of the container is now internally saved gt Place goods to be weighed in the weighing container The net weight of the goods to be weighed is displayed The weight of the weighing container will be displayed as a minus number after removing the weighing container gross weight BEGE FFN N BA e 1120 18 The tare weight is saved until it is deleted Remove the load from the balance and press The zero display appears and the triangle Y above the net weight icon NET disappears gt Press as long as t
12. 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 Place scales 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 balance against direct draughts due to open windows and doors Avoid jarring during weighing Protect the balance against high humidity vapors 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 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 FFN N BA e 1120 10 6 2 Unpacking and implantation Carefully remove the balance from the packaging remove plastic cover and setup balance at the intended workstation 11 Weighing plate Locking screw Carrier weighing plate Display Bubble le
13. vel Keyboard Footscrews Rechargeable battery compartment cover Screws for battery compartment cover FFN N BA e 1120 Level balance with foot screws until the air bubble of the water balance is in the prescribed circle Pressure compensation screw LE 5 D E LU Mains connection Battery compartment Pressure compensation screw 1 ie On the lower side of the balance there is a pressure compensation screw 1 which has to be opened for the weighing process Fasten the screw before cleaning the balance FFN N BA e 1120 12 Membrane for degree of protection IP67 6 2 1 Scope of supply Serial accessories Balance Operating instructions Rechargeable battery 6 3 Battery power supply The rechargeable battery is charged via the delivered power supply The operating time of the rechargeable battery with background illumination is 30h without that it is 50 hrs Charging time until complete recharging 12h In the menu you can activate the AUTO OFF function time off see chap 9 3 According to menu settings the balance switches automatically off in order to spare the battery Insert rechargeable battery gt Remove any adherent moisture from the balance gt Move both levers 90 to the left 13 FFN N BA e 1120 gt Remove the rechargeable battery cover gt Connecting the rechargeable battery Q Watch the colours Red on red Black on black KO D
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