Operating Manual Precision balance
Contents
1. gt Using change to the next unit Switch over weighing unit By pressing the key in the weighing mode it is possible to switch over between the activated units 20 PFB BA e 0912 9 5 2 Display background illumination In the menu the display background illumination can be switched on or off To achieve this follow the sequence of operations below Balance display ON gt Start balance by pressing ory As long as the balance carries out a self test press D Fi Unt is displayed gt Press F2 bL is displayed gt Press EL on or EL off resp EL AU is displayed Example gt Press to switch over between the three settings gt Press to activate the displayed setting EL on Background illumination on Contrastful display which can also be red in the darkness Background illumination off Battery saving The background illumination Battery saving will be switched off automatically 10 sec after having reached a stable weighing value PFB BA e 0912 21 10 Error messages Err 3 Put on correct adjustment Incorrect adjusting weight weight see chap 1 Technical Data Zero range exceeded Remove load and press P to reset balance to zero Keyboard error Inadmissible input Switch balance off and on again If the error message remains displayed please contact your dealer Electronic error 11 Service maintenance disposal 11 1 Cleaning Before2. NW KERN amp Sohn GmbH o EN a a Ziegelei 1 Tel 49 0 7433 9933 0 Arms A E E E D 72336 Balingen Fax 49 0 7433 9933 149 E mail Internet info kern sohn com www kern sohn com Operating Manual Precision balance KERN PFB Version 1 2 08 2009 GB PFB BA e 0912 CoB gt KERN PFB Version 1 2 08 2009 Operating Manual Precision balance Table of Contents TechnicalDatasndanadaraida dl anita 4 Declaration Of CONTO FMI oscila iii 6 Basic Information General iii geee aaa aaa 7 A e E A E A E EE DENEA OEE 7 IMProper EE 7 KREMER EE 7 Monitoring Of Kl 8 Basic Salely Etage ee EE 8 Pay attention to the instructions in the Operation Manual cccceesseesseeeeeeeeeeeeneeees 8 Personnel ll e EE 8 Transportation tele 8 TEStING UPON ACCC DLAINGS E 8 PAG AQUING EE 8 Unpacking Setup and COMMISSIONING ccocccocccnnncnaconanonanoncnnnncnarenarenanonanonnnnns 8 Installation Site Location Of US occoococccccoccocccnncancnncancnncanrancnncnncancnnranrnnranrnnrnnrnnrnnrnaranrancnnos 8 Unpacking E H Placing Remove the transportation Jock 9 o ee Eege Ee 10 MAINS e Ee d ca 10 Connection of peripheral device ey ee eens 10 Initial COMMISSIONING NEE 10 PROUUIS dn EE 10 TUE le Le WEE 10 COMMONS EE 12 Keyboard RTE 12 Overview A APP R ea aaaea iiaa Ren FEE EDA 13 ODEIO WEE 14 IMPI ICONO A E E 14 TNG EE 15 PANS COUMEING WEE 16 Se e ne WEE 17 Percent Weighing EE 18 PFB BA e 0912 9 IN
3. Internet www kern sohn de Declaration of conformity EC Konformitatserklarung EC Declaration de conformit EC Dichiarazione di conformita EC Declarac o de conformidade EC Deklaracja zgodnosci EC Declaration of Conformity EC Declaracion de Conformidad EC Conformiteitverklaring EC Prohlaseni o shode EC 3aABneHne O COOTBeTCTBUN Wir erklaren hiermit dass das Produkt auf das sich diese Erklarung bezieht mit den nachstehenden Normen ubereinstimmt We hereby declare that the product to which this declaration refers conforms to the following standards T mto prohla ujeme Ze v robek kter ho se toto prohl en t k je v souladu s n e uveden mi normami Manifestamos en la presente que el producto al que se refiere esta declaraci n est de acuerdo con las normas siguientes Nous d clarons avec cela responsabilit que le produit auquel se rapporte la pr sente d claration est conforme aux normes cit es ci apr s Dichiariamo con cio che il prodotto al quale la presente dichiarazione si riferisce conforme alle norme di seguito citate Wij verklaren hiermede dat het product waarop deze verklaring betrekking heeft met de hierna vermelde normen overeenstemt Declaramos por meio da presente que o produto no qual se refere esta declara o corresponde s normas seguintes Niniejszym o wiadczamy e produkt kt rego niniejsze o wiadczenie dotyczy jest zgodny z poni szymi normami Mbi 3aaBnaemM YTO DD
4. e 0912 7 2 Overview of display qi SN BELL PFB de A i F NET CAL PCS E INVITAN EE a E ie EL LI Li al LI LI kg Description wm Kilogram Zeroing display Stability display Pes Display for piece counting Percent weighing display a CAL Display for tolerance weighing Display for adjustment Signals the adjustment function g Gramm ct Carat oz Ounce Weight unit ozt Fine ounce display d Dram dwt Penny weight tl h Tael Taiwan tl c Tael Chin t 1t Troy Tael t Tola A Display for rechargeable battery operation optional LA The display changes to mains cable operation if the voltage falls below the prescribed minimum PFB BA e 0912 13 8 Operation 8 1 Simple weighing Balance display Operation ON gt Start balance by pressing The balance will carry out a self test Wait for 0 0 display gt Should the balance not display exactly 0 0 despite empty scale pan press the button The balance starts with resetting to D gt Place goods to be weighed on balance Wait until the stability display appears 0 Read weighing result ON gt To switch off the balance press shortly 14 PFB BA e 0912 8 2 Taring The dead weight of any weighing container may be tared away by pressing a button so that the following weighings show the net weight of the goods to be weighed Balance display Operation Se gt Deposit weighing r
5. fields static charging choose different location switch off interfering device if possible The weighing result is obviously incorrect e The display of the balance is not at zero e Adjustment is no longer correct e Great fluctuations in temperature e Warm up time was ignored e 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 PFB BA e 0912 23
6. quantity requires gt Confirm by pressing The balance is now in parts counting mode and counts all units on the weighing plate gt Press The balance is in weighing mode and displays the weight of the counted parts GG Remove the load gt Back to weighing mode by pressing again the button 16 PFB BA e 0912 8 4 Adding It is useful when a mixture of various components is weighed in a tare container and finally for control purposes the sum weight of all weighed components is required Example Balance display ON gt Start balance by pressing ory The balance will carry out a self test Wait for 0 0 display gt Puton the first test item The weight of the first test item is displayed gt Press ACC 1 is shortly displayed then appears once more the weight of the first test item gt Remove the first test item GG Put on the second test item The weight of the second test item is displayed gt Press Then appears for 2 seconds the weight of both test items before the weight of the second test item will appear again In order to delete the stored values press and as long as the sum of the test items is displayed press the balance will return to 0 0g PFB BA e 0912 17 8 5 Percent weighing Percent weighing allows to display weight in percent in relation to a reference weight Balance display ON gt Start balance by pressing ory The balance will carry o
7. EMEN EE 19 9 1 MEENUTA AD EE 19 9 2 ES UR MENU EE 19 9 3 NAVIGATION IN the E 19 9 4 MENU OVER ia 19 9 5 Menu Seta Sisa aa 20 9 5 1 Switeh overWelghihg units Uni cuna ls td di 20 952 Display background illumination visi diia 21 10 Error message Sutil 22 11 Service maintenance GISDOS All ivi 22 WTA Cl e WEE 22 11 2 SOTVICO MAIMtenanCO EE 22 11 3 DISD OS EE 22 12 IN Le as 23 PFB BA e 0912 3 1 Technical Data KERN PFB 120 3 PFB 200 3 PFB 1200 2 Smallest part weight for 20 mg plece counting Reference quantities at 10 20 50 100 200 plece counting Weighing Units g ct Ib oz d ozt dwt mo tlh tle tlt bn ct g ct Ib oz d ozt dwt mo tlh tle tlt bn oz d ozt dwt mo tl h tl c tl t t bt n Recommended adjustment 3 O 100 g F1 200 g F1 1000 g F1 weight not added class Stabilization time typical 3 sec Operating temperature tO A e Humidity of air max 80 not condensing 200 x 257 x 152 with draft shield BEER 200 x 257 x 87 without draft shield Draft shield B x D x H mm 158 x 143 x 64 inside plastic 167 x 154 x 80 outside Weight kg net Voltage 220 240 V 50 Hz Without backlit display Rechargeable battery Service life c 48 hours loading time ca 12 hrs With backlit display O O assembled Operating time ca 24h loading time ca 12 hrs 4 PFB BA e 0912 ken sz PFB 6K0 05 Smallest part weight for 20 mg 200 mg 200
8. ODVKT K KOTOpoMy OTHOCUTCA MaHHaa AeKnapaunya COOTBeETCTBYeT NEPEUNCNEHHbIM HMKe HOPMaM Electronic Balance KERN PFB C Date 18 09 2008 2004 108 EC EMC EN 61000 6 1 2007 EN 61000 6 3 2007 EN 61000 3 3 1995 A1 2001 A2 2005 EN 61000 3 2 2006 Signature Gottl KERN Sohn GmbH Management Gottl KERN amp Sohn GmbH Ziegelei 1 D 72336 Balingen Tel 49 0 7433 9933 0 Fax 49 0 7433 9933 149 PFB BA e 0912 A Basic Information General 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 the 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 damage by this Never operate balance in explosive environment The s
9. 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 Keep all parts of the original packaging in case you need to return the appliance Only use original packaging for returning Before sending disconnect all connected cables and loose movable parts Attach possibly existing transport safeguards Secure all parts e g weighing plate power unit etc to prevent slipping and damage 6 Unpacking Setup and Commissioning 6 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 8 PFB BA e 0912 Therefore observe the following for the installation site e Place the balance on a firm level 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
10. cleaning please disconnect the appliance from the operating voltage Please do not use aggressive cleaning agents solvents or similar agents but a cloth dampened with mild soap suds Ensure 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 11 2 Service maintenance The appliance may only be opened by trained service technicians who are authorized by KERN Before opening disconnect from power supply 11 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 22 PFB BA e 0912 12 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 The balance is not switched on not glow e The mains supply connection has been interrupted mains cable not plugged in faulty e Power supply interrupted e Rechargeable batteries are inserted incorrectly or empty e No rechargeable batteries inserted The displayed weight is Draught air movement permanently changing e Table floor vibrations e Weighing plate has contact with other objects e Electromagnetic
11. eceptacles The weight of the container is displayed gt Press al the zero display appears The pictogram gt T is displayed The pictogram gt Ce goes out The weight of the container is now internally saved 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 The tare weight is saved until it is deleted Remove the load from the balance and press The zero display appears the pictogram le goes out and gt CE wi be displayed again PFB BA e 0912 15 8 3 Parts counting Before the balance can count parts it must know the average part weight i e reference Proceed by putting on a certain number of the parts to be counted The balance determines the total weight and divides it by the number of parts the so called reference quantity Counting is then carried out on the basis of the calculated average piece weight 1 The higher the reference quantity the higher the counting exactness Balance display A A ON gt Start balance by pressing ory The balance will carry out a self test Wait for 0 0 display PCS Press Appears the reference quantity 10 By pressing the key several times the reference quantities 10 20 50 100 200 can be set Place as many parts to count on the weighing plate as the set reference
12. erial 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 e Our conditions in the operation manual are ignored e The appliance is used outside the described uses e The appliance is modified or opened e Mechanical damage and damage caused by media liquids Natural wear and tear e The appliance is improperly set up or incorrectly electrically connected e The measuring system is overloaded PFB BA e 0912 T 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 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 weights 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 4 Basic Safety Precautions 4 1 Pay attention to the instructions in the Operation Manual Carefully read this operation manual before setup
13. he data interface always disconnect the balance from the power supply With your balance only use accessories and peripheral devices by KERN as they are ideally tuned to your balance 6 5 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 During this warming up time the balance must be connected to the power supply mains accumulator or battery The accuracy of the balance depends on the local acceleration of gravity Strictly observe hints in chapter Adjustment 6 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 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 6 7 Adjusting The adjustment should be made with the recommended adjustment weight see chap 1 Technical data 10 PFB BA e 0912 Procedure when adjusting Observe stable environmental conditions A warming up time see chapte
14. mg piece counting Reference quantities at 10 20 50 100 200 piece counting ee Weighing Units g Ct Ib oz d ozt dwt mo tl h tlc tl t t bt n Recommended adjustment weight not added class 2000 g F1 5000 g F1 5000 g F1 Stabilization time typical 3 sec Operating temperature FO Gueto C Humidity of air max 80 not condensing 200 x 257 x 152 with draft shield Housing B x D x H mm 200 x 257 x 87 without draft shield 158 x 143 x 64 Draft shield B x D x H mm inside plastic 167 x 154 x 80 outside Weighing plate stainless steel 120 mm Weight kg net 2 kg Voltage 220 240 V 50 Hz Without backlit display Rechargeable battery Service life c 48 hours loading time ca 12 hrs With backlit display 155 x 145 155 x 145 2 kg di x assembled Operating time ca 24h loading time ca 12 hrs PFB BA e 0912 5 2 Declaration of conformity i A WAAGEN GEWICHTE BALANCES WEIGHTS tu D GB CZ NL P PL RUS Konformit ts erkl rung Declaration of conformity Prohl en o shode Declaraci n de conformidad D claration de conformit Dichiarazione di conformit Conformiteit verklaring Declara o de conformidade Deklaracja zgodno ci 3aABNEHNE O COOTBETCTBMN KERN amp Sohn GmbH D 72322 Balingen Frommern Postbox 4052 email info kern sohn de Phone 0049 0 7433 9933 0 Fax 0049 0 7433 9933 149
15. 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 e 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 6 2 Unpacking Carefully remove the balance from the packaging and setup balance at the intended workstation 6 2 1 Placing Remove the transportation lock The balance must be installed in a way that the weighing plate is exactly in horizontal position Remove the transportation lock 1 PFB 120 3 PFB 1200 2 PFB BA e 0912 9 K D LU 6 2 2 Scope of delivery Serial accessories e Balance e Weighing plate e Mains power supply e Operating Manual e Draft shield only models PFB 120 3 PFB 1200 2 6 3 Mains connection Power is supplied via the external 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 6 4 Connection of peripheral devices Before connecting or disconnecting of additional devices printer PC to t
16. r 1 Technical Data is required for stabilization Ensure that there are no objects on the weighing plate Balance display o 30e 0 gt In weighing mode press approx 3 sec until UnLoAd appears When display LoAd appears put the necessary adjustment weight see chap 1 Technical Data on the center of the weighing plate Adjustment will be carried out automatically after dead stop control gt Wait for stability display Pass appears the adjustment process has been finished successfully gt Take away adjustment weight Wait until the balance is again in the weighing mode PFB BA e 0912 11 7 Controls 7 1 Keyboard overview Buttons specification IT FILA PFE Key Pressed once and released E e gt Turn on off gt Set weight display at zero gt Activate the current element in the menu gt Select in Weighing units menu F UNIT change to the next unit gt Call up function gt In the percent mode back to weighing mode gt Only function PCS gt Call up piece counting mode gt In the piece count mode back to weighing mode gt Weighing units switch over f gt At weighing unit switch over menu F UNIT Set weighing unit on off gt Counting up in piece counting mode gt Select menu and pass through menu items from top to bottom gt Changing readability gt Print out weighing result e gt Exit menu jumping back to weighing mode 12 PFB BA
17. ut a self test Wait for the 0 0g display gt Puta reference weight on the weighing plate which corresponds to 100 gt Press In the display appears 100 00 gt Remove reference weight The display returns to 0 0g In the display appears the percentage of the specimen with reference to the reference weight gt Back to weighing mode by pressing again the button 18 PFB BA e 0912 9 The menu 9 1 Menu map In the menu can be made 8 different settings and the adjustment 9 2 Call up menu The menu is called up by pressing the key while the balance is carrying out the self test In the display appears the message F1 UNT 9 3 Navigation in the menu Key Direction in the Description menu 9 4 Menu overview Balance display Background lighting on automatic off EL on Background lighting on EL Au Background lighting switches on automatically EL off Background lighting off RS 232 interface e P prt connect with printer e Pcont for remote control orders e P auto autom printout PFB BA e 0912 19 9 5 Menu settings 9 5 1 Switch over weighing units Unit The weighing units are switched on or off via the menu Activate function Balance display ON gt Start balance by pressing ory As long as the balance carries out a self test press Fi Unt is displayed gt Press Weighing unit is switched on or off Example gt Use to switch weighing unit on or off
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