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KERN & Sohn GmbH

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

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

Operating instructions
Analytical balance

KERN AEJ_N/AES_N

Version 2.1
03/2013
GB

AEJ_N/AES_N-BA-e-1321

Содержание AEJ_N

Страница 1: ...ei 1 D 72336 Balingen E Mail info kern sohn com Tel 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com Operating instructions Analytical balance KERN AEJ_N AES_N Version 2 1 03 2013 GB AEJ_N AES_N BA e 1321 ...

Страница 2: ...ing of Test Resources 11 4 BASIC SAFETY PRECAUTIONS 12 4 1 Pay attention to the instructions in the Operation Manual 12 4 2 Personnel training 12 5 TRANSPORT AND STORAGE 12 5 1 Testing upon acceptance 12 5 2 Packaging return transport 12 6 UNPACKING SETUP AND COMMISSIONING 15 6 1 Installation Site Location of Use 15 6 2 Unpacking and checking 15 6 2 1 Scope of delivery serial accessories 15 6 2 2 ...

Страница 3: ...Exit menu back to weighing mode 33 9 WEIGHING FUNCTIONS P6 FUNC 34 9 1 Turn on off balance 34 9 2 Weighing 34 9 3 Standard weighing unit 35 9 4 Weighing units switch over 36 9 5 Taring 36 9 6 Underfloor weighing 37 9 7 Selecting the operating mode 38 9 7 1 Selecting accessible operating modes 40 10 BALANCE SETTINGS P3 READ 41 10 1 Filter adaptation to ambient conditions and weighing options 41 10 ...

Страница 4: ...s of measurements for test volume V0 67 13 6 3 Carry out series of measurements for test volume V1 2 68 13 6 4 Carry out series of measurements for test volume V1 69 14 DATA OUTPUT RS 232 P4 PRINT 71 14 1 Technical data 71 14 2 Interface cable 72 14 3 Menu settings P4 PRINT 73 14 4 Printout examples KERN YKB 01N 78 14 5 Output log 79 14 5 1 Issue after pressing the PRINT button 79 14 5 2 PC contro...

Страница 5: ... 3 mg 0 3 mg 0 1 mg 0 3 mg Stabilization time 4 sec Adjustment weight internal Warm up time 8 h Weighing Units mg g ct Smallest part weight for piece counting 10 mg 10 mg 1 mg Reference quantities at piece counting 10 20 50 freely selectable Weighing plate stainless steel ø 85mm ø 70mm Net weight kg 5 4 Permissible ambient condition 18 C to 30 C Humidity of air 30 80 relative not condensing Input ...

Страница 6: ...4 sec Warm up time 8 h Weighing Units g mg ct oz ozt GN mom dwt teal Smallest part weight for piece counting 10 mg Reference quantities at piece counting 10 20 50 freely selectable Weighing plate stainless steel ø 85mm Net weight kg 5 4 Permissible ambient condition 18 C to 30 C Humidity of air 30 80 relative not condensing Input voltage 110 230 V 240 V AC 50 Hz Power pack secondary voltage 13 8 V...

Страница 7: ...AEJ_N AES_N BA e 1321 7 1 1 Dimensions ...

Страница 8: ...8 AEJ_N AES_N BA e 1321 2 Appliance overview 1 Windshield 2 Weighing pan 3 Display 4 Keyboard 5 Levelling screw 6 Bubble level 7 Terminal power supply unit 8 RS232 interface 9 Not documented ...

Страница 9: ...ibrated value is given in brackets in calibrated scales 4 Weighing unit g Key Function Turn on off Call up menu Activate operating mode Scroll backwards in menu Switch over weighing unit Scroll forward in menu Calculate weighing data via interface Confirm save Taring Zeroing Exit menu Return to weighing mode ...

Страница 10: ... Key Description Function Navigation button Increase flashing digit Navigation button Decrease flashing digit Navigation button Digit selection to the right Navigation button Digit selection as per Navigation button Confirm entry ESC Cancel input ...

Страница 11: ...n 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...

Страница 12: ...inding translation The original German is binding 4 2 Personnel training The appliance may only be operated and maintained by trained personnel 5 Transport and 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 Keep all parts of the original packaging ...

Страница 13: ...r to dispatch disconnect all cables and remove loose mobile parts Reattach possibly supplied transport securing devices Secure all parts such as the glass wind screen the weighing platform power unit etc against shifting and damage ...

Страница 14: ...14 AEJ_N AES_N BA e 1321 ...

Страница 15: ...apours 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 If electro ...

Страница 16: ...ow to connect the weighing scale to the power supply see chap 6 3 Level balance with foot screws until the air bubble of the water balance is in the prescribed circle Check levelling regularly 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 b...

Страница 17: ...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...

Страница 18: ...on 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 Possible adjustments include Automatic adjustment using internal weights AEJ models only For time and temperature controlled see chap 7 1 Manual adjustment AEJ models only Activated by pressing the F key three times see ch...

Страница 19: ... symbol on the display after a period of 3 hours has passed or a defined time interval The user must complete his her weighing process within this time After 5 minutes CAL 30 appears on the display This starts a count down of 30 seconds CAL 30 CAL 0 You may cancel adjustment during these 30 seconds by pressing the TARE key This makes the balance return to weighing mode in order to e g complete an ...

Страница 20: ...the weighing scale will carry out a fully automatic adjustment The C symbol indicates the pending adjustment at the end of a time interval After the time interval selectable from 1 12 hours set in the menu P1 5 CALt has passed the weighing scale will indicate the pending adjustment by displaying indicator In weighing scales with type approval certificate menu item P1 5 CALt is locked Adjustment ta...

Страница 21: ...rolled automatic adjustment AEJ only P1 6 CALr P1 3 CALr Printout adjustment log Locked in weighing scales with type approval certificate Er 9 lock 7 2 1 P1 1 iCAL For automatic internal adjustment see chap 7 1 Starting internal adjustment manually Press F key three times Ensure that there are no objects on the weighing pan You can cancel adjusting by pressing the TARE key After successful adjustm...

Страница 22: ...ed in weighing scales with type approval certificate Ensure that there are no objects on the weighing pan Press PRINT key CAL will be shown Wait until the weighed value for the required adjustment weight appears Place the required calibration weight carefully in the centre of the weighing plate and press the PRINT key The display is showing CAL and adjustment is starting Adjustment will be complet...

Страница 23: ...ion is applied to compare the internal adjustment weight with the saved value The test is carried out automatically The result is shown on the display and if an optional printer is connected a printout will be issued via the RS 232 interface Return to weighing mode see chap 8 2 d ...

Страница 24: ...24 AEJ_N AES_N BA e 1321 AES models Here deviation from the last adjustment is determined This is only a check i e no values are changed Return to weighing mode see chap 8 2 ...

Страница 25: ...tic adjustment Settings nonE Automatic adjustment disabled tEmp Start automatic Adjustment after change in temperature timE The start of time controlled automatic adjustment depends on the setting P1 5 CALt both Start automatic Adjustment is temperature and time dependent Return to weighing mode see chap 8 2 This function is locked in weighing scales with type approval certificate ...

Страница 26: ...rolled automatic adjustment AEJ only This function is applied to define the time interval selectable from 1 12 hours for automatic adjustment Return to weighing mode see chap 8 2 This function is locked in weighing scales with type approval certificate ...

Страница 27: ...his function enables automatic log issue after each adjustment These logs may be issued by using an optional printer To define the content of the protocol go to menu item P2 GLP s chap 12 no Adjustment protocol disabled YES Adjustment protocol enabled Return to weighing mode see chap 8 2 ...

Страница 28: ...ir 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 carried out according to the respective national regulations The validity for verification of balances in Germany is e g 2 years The legal regulation of the country where the balance is used must be observ...

Страница 29: ...ust be taken out of operation if The weighing result of the balance is outside the error limit Therefore in regular intervals load balance with known test weight ca 1 3 of the max load and compare with displayed value The reverification deadline has been exceeded Position of the official seals ...

Страница 30: ...o printout date P2 5 PUSr YES no printout user P2 6 PPrJ YES no printout project P2 7 PId YES no printout serial number weighing balance P2 8 PFr YES no frame printout P3 rEAd main functions P3 1 AuE Stand Slouu FASt filter settings P3 2 ConF FASt_rEL Fast rEL rest control display P3 3 Auto On OFF Auto zero P3 4 Ldi9 ALuuAYS never uu_StAb delete last decimal place P4 Print parameter for serial int...

Страница 31: ...Pipette FiLL selection enabled operating modes P6 2 PcS YES no piece counting P6 3 HiLo YES no weighing with tolerance control P6 4 PrcA YES no percentage weighing reference weight determination weighing P6 5 Prcb YES no percentage weighing reference weight determination numeric P6 6 d_Co YES no determination density solids P6 7 d_Li YES no determination density liquids P6 8 Pi_t YES no Pipette ca...

Страница 32: ...The first menu item of the selected menu block will be shown Use the cursor key to select individual menu items one by one Use the cursor key to scroll down Use the cursor key to scroll up Select setting Acknowledge selected menu item using F button the current setting is displayed Change settings Use the cursor keys to change to the available settings Use the cursor key to scroll down Use the cur...

Страница 33: ...nu back to weighing mode Press the TARE key repeatedly until SAVE is displayed Any changes carried out are stored by pressing the PRINT key To cancel changes press the TARE key Then the balance returns automatically into the weighing mode ...

Страница 34: ... on Press ON OFF key To switch off the balance completely separate balance from power supply 9 2 Weighing A warm up time is required for stabilisation see chap 1 Check zero display and set to zero with the help of the TARE key as required Place the goods to be weighed and close the wind screen doors Wait until the stability display appears Read weighing result When an optional printer is connected...

Страница 35: ...ghing unit selected here remains even after disconnection from the mains Press the UNIT key repeatedly until the desired weighing unit is shown g mg ct oz ozt dwt t mom G g In balances without type approval certificate selection is restricted to options g mg ct ...

Страница 36: ...t the following weighing procedures show the net weight of the goods to be weighed Put vessel of goods to be weighed on weighing plate and close the wind screen doors Wait until the stability display appears then press TARE The weight of the container is now internally saved Weigh the goods to be weighed and close the wind screen doors Wait until the stability display appears Read net weight When ...

Страница 37: ... an opening Attach load to hook and carry out weighing procedure Fig 1 Setting up a weighing scale for underfloor weighing CAUTION Always ensure that all suspended objects are stable enough to hold the desired goods to be weighed safely danger of breaking Never suspend loads that exceed the stated maximum load max danger of breaking Always ensure that there are no persons animals or objects that m...

Страница 38: ...he P6 Func menu All activated operating modes can be called directly by pressing the key If you wish to have several operating modes callable via the key select ALL for a setting For selection of accessible operating modes see chap 9 7 1 If you wish to access only one operating mode via the key select it directly via the UNIT key For instance PcS for piece counting ...

Страница 39: ...o enable accessible operating modes after selecting ALL see chapter 9 7 1 below Piece counting see chapter 13 1 For weighing with tolerance range see chap 13 2 For percentage determination see chap 13 3 1 For percentage determination see chap 13 3 2 For density determination solid matter see chap 13 5 For density determination fluids see chap 13 5 For pipette calibration see chap 13 6 For dispensi...

Страница 40: ...ating modes that subsequently will be selectable directly via the key Confirm your selection by pressing the PRINT key balance will return to menu Return to weighing mode see chap 8 2 YES turned on no turned off Please repeat this sequence of operations for any other operating mode available ...

Страница 41: ...ng procedures 10 1 Filter adaptation to ambient conditions and weighing options Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 Standard normal ambient conditions Slow The balance reacts slowly and in a robust manner busy set up location Fast The balance reacts quickly and in a sensitive manner quiet set up location ...

Страница 42: ...ed Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 Standstill control fast exact quiet set up location Rest position control fast Very quiet setup location Rest position control accurate Unbalanced installation site ...

Страница 43: ...eighing results can be displayed due to the stability compensation e g slow flow of liquids from a container placed on the balance evaporating processes When apportioning involves small variations of weight it is advisable to switch off this function Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 AutoZero turned on AutoZero ...

Страница 44: ... as required The last decimal place will be rounded and removed from the display Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 shows last decimal place hiding last decimal place last decimal place will only be shown for stable weighing values ...

Страница 45: ...ngs RAPID NO Standard settings for all weighing options and normal loads The weighing scale works according to the parameters set P3 1 AUE see chap 10 1 P3 2 CONF see chap 10 2 RAPID YES Parameters for dispensing are set automatically The weighing scale automatically works at increased weighing speed Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weig...

Страница 46: ...d lighting and key sounds 11 1 Display background illumination Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 On background illumination switched on Aut Backlighting automatically switched off 10 seconds after achieving stable weighing value OFF background illumination switched off ...

Страница 47: ... 47 11 2 Acoustic signal for key operation Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 On acoustic signal turned on OFF acoustic signal turned off ...

Страница 48: ...e 1321 11 3 Print weighing settings Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 All weighing scale settings are issued via the RS232 interface ...

Страница 49: ...he easiest way is to have a printer connected The content of the data output is determined in menu P2 GLP All parameters set to YES will be issued Examples P2 GLP P2 1 uSr max 8 digits P2 2 PrJ max 8 digits P2 3 Ptin YES P2 4 PdAt YES P2 5 PuS YES P2 6 PPrJ YES P2 7 Pid YES P2 8 PFrn YES Definition of a standard log P2 1 USr Enter user name Press the UNIT key and the next menu item P2 2 PrJ will a...

Страница 50: ...cters OP1_WILK 2 Lower case characters op1_wilk Selection of the number to be changed to the right the respective active position flashes Selection of the number to be changed to the left the respective active position flashes Increasing the value for selected numeral or number Decreasing the value for selected numeral or number ...

Страница 51: ...ing Use the UNIT key to select among the following settings no Do not display date YES Display date Confirm settings by pressing the PRINT key Weighing balance returns to menu Press the UNIT key and the next menu item P2 5 PUSr will appear P2 5 PUSr Display user Press the F key current setting is flashing Use the UNIT key to select among the following settings no Do not display user YES Display us...

Страница 52: ... P2 8 PFr Frame Protocol Press the F key current setting is flashing Use the UNIT key to select among the following settings no Do not frame protocol YES Frame protocol Example P2 8 PFr YES P2 8 PFr no Date 20 03 12 Time 11 31 12 UserID Mustermann Balance ID 180151 19 3406 g Date 20 03 12 Time 11 31 12 UserID Mustermann Balance ID 180151 19 3406 g Using broken line at protocol begin and end Withou...

Страница 53: ...n Reference defining by weighing PrcA Percentage determination Numeric reference entry PrcB Density determination solid matter d_Co Density determination fluids d_Li Pipette calibration PiPEt Dosing Fill Calling operating modes See also chap 9 7 The first function F1 basic appears Further functions are triggered with the help of or key ...

Страница 54: ...lled reference quantity Counting is then carried out on the basis of the calculated average piece weight As a rule The higher the reference quantity the higher the counting exactness Call add up function Press the UNIT key to select the desired reference number of pieces selectable options include 10 20 50 or free Reference piece number 10 20 or 50 Confirm your selected reference number of pieces ...

Страница 55: ...eference Place as many pieces to add up as required by the set reference piece number Remove reference weight The balance is now in parts counting mode counting all units on the weighing pan Tare weighing container Confirm reference ...

Страница 56: ...Ad appears on the display Place as many counting parts on the balance as the set reference quantity requires confirm by pressing the PRINT key Note If there is no load on the weighing plate when the PRINT key is pressed Er5 outr will appear briefly on the display before the display of the balance returns automatically to weighing mode Remove reference weight The balance is now in parts counting mo...

Страница 57: ...AEJ_N AES_N BA e 1321 57 Return to weighing mode ...

Страница 58: ... tolerance tag The triangular tolerance marker in the upper part of the display shows whether the goods to be weighed are within the two tolerance limits The tolerance marker is only in operation during operating mode tolerance weighing it is otherwise not visible The tolerance marker provides the following information lo Goods to be weighed below tolerance limit ok Goods to be weighed within tole...

Страница 59: ...lect the digit to be changed by pressing the F key each digit currently active will be flashing Select the digit by pressing the UNIT key Confirm by pressing the PRINT key The display for entering the upper limit value will appear The display for entering the lower limit value will appear ...

Страница 60: ...he PRINT key From now the balance is in checkweighing mode Put on goods to be weighed tolerance control is started With the help of the indicator check if the weighed goods are under inside or over the default tolerance Note If invalid values are entered such as lower tolerance limit greater than upper tolerance limit the balance will issue the error message Er8 outr and return automatically to we...

Страница 61: ... weight can either be determined by weighing F4 PrcA or entered numerically F4 Prcb 13 3 1 Determining the reference weight by weighing function F4 PrcA 100 equals placing Confirm by pressing the PRINT key and the weight will be adopted as reference 100 Remove reference weight from here the weight of load is shown in percent based on the reference weight ...

Страница 62: ...rsor keys Select the digit to be change by pressing the F key each time the currently active digit will be blinking Select the digit by pressing the UNIT key Confirm by pressing the PRINT key From now on the weight of the load will be shown in percent based on the reference weight Display for entering reference 100 appears ...

Страница 63: ...AEJ_N AES_N BA e 1321 63 Return to weighing mode Press repeatedly ...

Страница 64: ...tting However please keep in mind that the weighing scale reacts very sensitively to ambient conditions To disable the setting P6 Func P6 1 FFun All set function F9 Fill to n see chap 9 7 Enabling dispensing mode Return to weighing mode Press repeatedly Indicator displays the current dispensing mode Press repeatedly Indicator expires ...

Страница 65: ...ed for easy and precise density determination For instructions please see the operating instructions enclosed with the density kit Fig KERN AES A01N No Description 1 Platform for glass beaker 8 Hook for plummet 2 Frame 9 Sample dish 3 Glass sinker 10 Wire 4 Beaker 11 Filter bowl 5 Holder for thermometer 12 Additional weights 6 Thermometer 13 Additional frame tray for sample dishes plummets 7 Wire ...

Страница 66: ...ure selectable from 0 4 25 5 C Set P Air pressure test chamber selectable from 800 1050 hPa Set h Air humidity test chamber selectable from 10 95 For devices with a fixed volume test volume equals nominal volume For devices with variable volume the following three volumes need to be tested V0 The lower limit for the effective volume or 10 of the nominal volume µl depending on whichever is the larg...

Страница 67: ...Dispense the test fluid such as distilled water into the weighing vessel of conduit V0 2 Wait for stability display then press the PRINT button Place 2 followed by the current weight display will appear 3 Tare by pressing the TARE key Repeat this test cycle steps 1 3 as often as set in Set n see chap 13 6 1 After the last test cycle has been confirmed a display announcing the start of the second s...

Страница 68: ...water into the weighing vessel of conduit V1 2 to be measured 2 Wait for stability display then press the PRINT button Place 2 followed by the current weight display will appear 3 Tare by pressing the TARE key Repeat this test cycle steps 1 3 as often as set in Set n See chap 13 6 1 After the last test cycle has been confirmed a display announcing the start of the third series of measurements P2 V...

Страница 69: ...water into the weighing vessel of conduit V1 to be measured 2 Wait for stability display then press the PRINT button Place 2 followed by the current weight display will appear 3 Tare by pressing the TARE key 4 Repeat this test cycle steps 1 3 as often as set in Set n See chap 13 6 1 5 After the last test cycle has been confirmed by pressing the PRINT key a protocol will be issued via the RS232 int...

Страница 70: ... lower limit for the effective volume or 10 of the nominal volume µl depending on whichever is the larger V1 2 About 50 of the nominal volume µl Vmax V1 Nominal volume µl Va Arithmetic mean from measurement series Es Systematic measurement deviation Sr Standard Deviation ...

Страница 71: ...o connect the display unit to the interface of the printer Faultless operation requires an adequate KERN interface cable Communication parameters baud rate bits and parity of display unit and printer must match 14 1 Technical data Connection 9 pin d subminiature bushing Pin 2 Receive data Pin 3 Transmit data Pin 5 Signal ground Baud rate 2400 4800 9600 19200 selectable Parity 8 bits no parity 1 st...

Страница 72: ...72 AEJ_N AES_N BA e 1321 14 2 Interface cable Balance 2 RxD 3 TxD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS PC 25 poles PC 9 poles Balance Balance Balance Printer ...

Страница 73: ...r pressing the PRINT key YES Automatic issue of first stable weighing value Sequence of operations 1 Taring 2 Place weight issue of first stable weighing value 3 Renewed output only possible after weight was removed Prerequisite Display 50 display steps from zero 4 Place next weight P4 5 PStb Locked in models with type approval certificate no Output even for unstable weighing value YES Output for ...

Страница 74: ...74 AEJ_N AES_N BA e 1321 1 Baud rate Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 ...

Страница 75: ...firm your selection by pressing the PRINT key balance will return to menu Return to weighing mode see chap 8 2 3 Continuous output in current weighing unit Confirm your selection by pressing the PRINT key weighing scale will return to menu Return to weighing mode see chap 8 2 ...

Страница 76: ...m your selection by pressing the PRINT key balance will return to menu Return to weighing mode see chap 8 2 5 Set output stable instable weighing values Confirm your selection by pressing the PRINT key balance will return to menu Return to weighing mode see chap 8 2 ...

Страница 77: ...AEJ_N AES_N BA e 1321 77 6 Set minimum weight for automatic output ...

Страница 78: ...4 4 Printout examples KERN YKB 01N Stable weighing value 19 9994 g Instable weighing value 29 6343 g Negative weighed value 19 9997 g Positive weighing value 19 9994 g Overload Percent determination 24 995 Parts counting 10 pcs ...

Страница 79: ...PStb see chap 14 3 Data record format 1 2 3 4 12 13 14 16 17 18 Stability display Blank Signs Weight value r Blank Unit CR LF Stability display Blank character for stable value For instable value for excess load v for underload Signs Blank character for positive value Minus sign for negative value Weight value 9 signs right justified Unit 3 signs left justified ...

Страница 80: ...xecution timeout for stable weighing value exceeded Data record format 1 3 4 5 6 7 8 16 17 18 20 21 22 Remote control command Blank Stability display Blank Signs Weight value Blank Unit CR LF Instruction 1 up to 3 signs Stability display Blank character for stable value For instable value for excess load v for underload Signs Blank character for positive value Minus sign for negative value Weight ...

Страница 81: ...LF Send stable weighing value in current weighing value SUI CR LF Send weighing value immediately in current weighing unit C1 CR LF Start continuous output in standard weighing unit C0 CR LF Stop continuous output in standard weighing unit CU1 CR LF Start continuous output in current weighing unit U0 CR LF Stop continuous output in current weighing unit In the case of faulty entries the weighing b...

Страница 82: ...ish 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 15 2 Service maintenance The appliance may only be opened by trained service technicians who are authorized by KERN Ensure that the balance is regularly calibrated see chap Testing instruments control 15 3 Disposal Disposal of packa...

Страница 83: ...ibrations Weighing pan 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 The balance is on an uneven surface Great fluctuations in temperature Electromagnetic fields static charging choose differ...

Страница 84: ...nge Er4 FuL2 Weighing range exceeded Er5 rout Value outside allowed range e g tare value 0 Reference weight 0 Er7 tout Disconnecting time too short Er8 outr Entry exceeding permitted range for instance during tolerance control entry upper limit lower limit Er9 Lock Function blocked Er10 cal Adjustment error e g incorrect adjustment weight ...

Страница 85: ...ion de conformité Nous déclarons avec cela responsabilité que le produit auquel se rapporte la présente déclaration est conforme aux normes citées ci après I Dichiarazione di conformitá Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è conforme alle norme di seguito citate NL Conformiteit verklaring Wij verklaren hiermede dat het product waarop deze verklaring b...

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