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PLJ-N-BA-e-1333

KERN

PLJ 750-3N

Weighing range (max)

750 g

Readability (d)

1 mg

Reproducibility

2 mg

Linearity

± 3 mg

Stabilization time (typical)

4 sec

Minimum unit weight at
piece counting

5 mg

Warm-up time

4 hours

Adjustment weight

internal

Reference quantities at
piece counting

10, 20, 50, freely selectable

Weighing Units

g, ct, mg

Electric Supply

230 V / 50 Hz, 11V AC

Operating temperature

+ 15° C …. + 30° C

Humidity of air

max. 80 % (not condensing)

Dimensions housing
B x D x H

[mm]

with windscreen 206 x 335 x 157

without windscreen 206 x 335 x 85

Dimensions glass draught
shield [mm]

exterior 150 x 150 x 80

interior 140 x 140 x 65

Weighing plate
(stainless steel) [mm]

128 x 128

Weight kg (net)

4 kg

Underfloor weighing

Standard hooks

Interface

RS 232C

Содержание PLJ-N

Страница 1: ...H Ziegelei 1 D 72336 Balingen email info kern sohn com Phone 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com Operating Manual Precision balance KERN PLJ N Version 3 3 04 2013 GB PLJ...

Страница 2: ...n of Use 12 6 2 Unpacking 12 6 2 1 Remove the transportation lock 12 6 2 2 Placing 13 6 2 3 Scope of delivery 13 6 3 Mains connection 14 6 4 Connection of peripheral devices 14 6 5 Initial Commissioni...

Страница 3: ...ng readability decimal place 53 14 Menu function P7 othEr additional useful functions 54 14 1 Display background illumination 54 14 2 Acoustic signal for key operation 55 14 3 Printing balance paramet...

Страница 4: ...up time 2 hours 4 hours Adjustment weight internal Reference quantities at piece counting 10 20 50 freely selectable Weighing Units g ct mg Electric Supply 230 V 50 Hz 11V AC Operating temperature 15...

Страница 5: ...weight at piece counting 10 mg Warm up time 2 hours Adjustment weight internal Reference quantities at piece counting 10 20 50 freely selectable Weighing Units g ct mg Electric Supply 230 V 50 Hz 11V...

Страница 6: ...ece counting 10 20 50 freely selectable Weighing Units g ct mg Electric Supply 230 V 50 Hz 11V AC Operating temperature 15 C 30 C Humidity of air max 80 not condensing Dimensions housing B x D x H mm...

Страница 7: ...rdo con las normas siguientes F D claration de conformit 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 I Dich...

Страница 8: ...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 th...

Страница 9: ...ay only be operated and maintained by trained personnel 5 Transportation Storage 5 1 Testing upon acceptance When receiving the appliance please check packaging immediately and the appliance itself wh...

Страница 10: ...sport Keep all parts of the original packaging for a possibly required return Only use original packaging for returning Prior to dispatch disconnect all cables and remove loose mobile parts Reattach p...

Страница 11: ...11 1 Secure all parts such as glass wind screen weighing platform power unit etc against shifting and damage 1 Mains adapter 2 Weighing pan 128 x 128 mm 3 Carrier weighing pan 4 Weighing pan 195 x 195...

Страница 12: ...o 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...

Страница 13: ...carrier 2 right at rear Models readability d 1 mg Models readability d 10 mg Level balance with foot screws until the air bubble of the water balance is in the prescribed circle 6 2 3 Scope of deliver...

Страница 14: ...be connected to the power supply The accuracy of the balance depends on the local acceleration of gravity Strictly observe hints in chapter Adjustment 6 5 1 Stability display The appearance of the sta...

Страница 15: ...controlled chpt 7 1 A change in temperature of 3 C triggers the weighing balance to send a message announcing internal adjustment 2 Time controlled chpt 7 1 After a set time interval 1 12 h in the men...

Страница 16: ...time interval Temperature time controlled adjustment is taking place 5 minutes before the start of automatic adjustment this will be announced by a C change of temperature or a after a certain time in...

Страница 17: ...internal adjustment P1 2 ECAL external adjustment not documented P1 3 tCAL adjustment test P1 4 ACAL both nonE tenno tinnE criteria for starting automatic adjustment P1 5 CALt 1 h 12h time setting for...

Страница 18: ...lay Start balance by pressing 0 0000 g Press P1 CAL Press Ensure that there are no objects on the weighing plate P1 1 iCAL Confirm by pressing automatic adjustment will follow After successful adjustm...

Страница 19: ...1 1 iCAL Press repeatedly button Ensure that there are no objects on the weighing plate P1 3 tCAL Press adjustment test is carried out automatically The result is displayed CAL diff d 0 0042 g Press b...

Страница 20: ...the arrow keys to select among the settings below nonE Automatic adjustment disabled tEmp Start automatic adjustment after change in temperature timE Start automatic Adjustment dependent on setting of...

Страница 21: ...alance by pressing 0 0000 g Press P1 CAL Press P1 1 iCAL Press repeatedly until function P1 5 CALt appears P1 5 CALt Press current setting will be flashing 1 h Use the arrow keys to select a time inte...

Страница 22: ...ars P1 6 CALr Models PLJ P1 3 CALr Models PLS Press current setting will be flashing no Press the arrow keys to select among the settings below no Data output disabled yes Data output enabled YES Conf...

Страница 23: ...the medical and pharmaceutical laboratory c For official purposes d For manufacturing final packages In cases of doubt please contact your local trade in standard Verification instructions An EU type...

Страница 24: ...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 di...

Страница 25: ...weighing mode Key Function Turn on off Invoke adjustment function Function key changing parameters after selecting a function Switch over key into operating modes Weighing units switch over Invoke men...

Страница 26: ...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 basic settings P3 1 AuE Stand Slouu...

Страница 27: ...P6 2 PcS YES no piece counting P6 3 HiLo YES no weighing with tolerance control P6 4 PrcA YES no percentage weighing ref weight determination weighing P6 5 Prcb YES no percentage weighing ref weight d...

Страница 28: ...To shift to the right or left by one menu item press the and key Confirm save settings Leave menu Storing jumping back to weighing mode Any changes made in the balance memory will only be saved when t...

Страница 29: ...taring The dead weight of any weighing container may be tared away by pressing a button or by numerical input so that the following weighings show the net weight of the goods to be weighed 10 2 1 Tar...

Страница 30: ...red weighing unit See chpt 1 Technical Specifications appears The balance returns to menu Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm query by press...

Страница 31: ...witch off balance Open the closing lid on the bottom of your balance Suspend hook for underfloor weighing carefully and completely Place your balance over an opening Suspend the goods to be weighed fr...

Страница 32: ...ivation A function can only be activated directly in Menu 6 1 FFun If only one operating mode is callable via the key simply select the desired function by pressing the arrow keys and confirm by press...

Страница 33: ...lection using the F key The F key allows you to change set function parameters after having selected a function without having to return to the menu first Example You are in piece counting mode with s...

Страница 34: ...edly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to return to Weighing mode or press the TARE button to return to Weighing mode without saving All a...

Страница 35: ...t by the number of parts the so called 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 co...

Страница 36: ...eference piece number Remove reference weight The balance is now in parts counting mode counting all units on the weighing plate for selection optional reference piece number FrEE Use the arrow keys t...

Страница 37: ...uantity requires confirm by pressing the PRINT key Information If there is no load on the weighing plate when the PRINT key is pressed Er8 outr will appear briefly on the display before the display of...

Страница 38: ...nce 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 oper...

Страница 39: ...ing Use the arrow keys to select the number Confirm the entered lower tolerance tag by pressing the PRINT key Setting the upper tolerance limit Hi g g Use the arrow keys to select the digit to be chan...

Страница 40: ...goods to be weighed tolerance control is started g Information If invalid values are entered such as lower tolerance limit greater than upper tolerance limit the balance will issue the error message...

Страница 41: ...ng the reference weight by weighing function F4 PrcA Call function Make reference Place the reference weight Confirm by pressing the PRINT key This weight is adopted as reference 100 Remove reference...

Страница 42: ...to enter the reference weight by a flashing message Use the arrow keys to select the digit to be changed enabled digit will be flashing Use the arrow keys to select the number Confirm the entered ref...

Страница 43: ...ination functions d_Co and d_Li For procedure of density determination please see the operating instructions Set density 11 6 Formulation The formula function allows to add on various components of a...

Страница 44: ...the display is stable Weigh in second ingredient As soon as the display is stable The total sum of the ingredients stored up to now is displayed 3 Weigh in third ingredient As soon as the display is...

Страница 45: ...PLJ N BA e 1333 45 Return to weighing mode 11 7 Filter setting This function allows the balance to be set according to specific ambient conditions and measuring purposes Press repeatedly...

Страница 46: ...PLJ N BA e 1333 46 Return to weighing mode...

Страница 47: ...ameters 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 P2 8 PFrn YES P2 8 PFrn...

Страница 48: ...data output After confirming by pressing the balance will return to the menu P2 1 Usr the next menu item P2 2 PrJ used to enter the project name appears P2 2 PrJ The first digit is flashing To change...

Страница 49: ...ns to menu P2 3 Ptin Press until the next menu item P2 4 PdAt used to enter the date appears P2 4 PdAt Use the same steps to enter further GLP Parameter Menu overview P2 1 Usr _ user P2 2 PrJ _ projec...

Страница 50: ...menu Press the arrow keys to select among the settings below FASt Sensitive and fast very quiet set up location StAnd Default Slouu Robust but slow very busy set up location Return to weighing mode P...

Страница 51: ...ate rEL rest position control accurate Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to retur...

Страница 52: ...TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to return to Weighing mode or press the TARE button to return to Weighing mode wi...

Страница 53: ...place nEuEr does not show last decimal place uu_StAb last decimal place will only be shown for stable weighing values Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry a...

Страница 54: ...f automatically 10 sec after having reached a stable weighing value Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button...

Страница 55: ...peatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to return to Weighing mode or press the TARE button to return to Weighing mode without saving P...

Страница 56: ...PLJ N BA e 1333 56 14 3 Printing balance parameters Call up menu Press the F key output of balance parameter is achieved via RS 232 interface Press repeatedly button Press repeatedly button...

Страница 57: ...rface cable max 2m Transfer modes Manually after pressing the PRINT key Continuously according to setting Automatically according to stability display On request by external device For remote control...

Страница 58: ...PLJ N BA e 1333 58 15 3 Interface cable Balance 2 RxD 3 TxD 4 DTR 5 GND 6 DSR PC 25 channel PC 9 channel Balance Balance Balance Printer...

Страница 59: ...bit s 9600 bit s 19200 bit s Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to return to Weig...

Страница 60: ...ntA yes Function activated Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to return to Weighin...

Страница 61: ...tivated Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to return to Weighing mode or press the...

Страница 62: ...ighing value 3 Renewed output only possible after weight was removed Condition Display 50 display steps from zero 4 Place next weight Return to weighing mode Press the TARE button repeatedly until the...

Страница 63: ...value PStb yes Output for stable weighing value only Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save change...

Страница 64: ...low the entered weighing value Return to weighing mode Press the TARE button repeatedly until the SAVE inquiry appears Confirm inquiry by pressing the PRINT button to save changes and to return to Wei...

Страница 65: ...ntinuous transmission in standard weighing unit C0 Turn off continuous transmission in standard weighing unit CU1 Turn on continuous transmission in current weighing unit CU0 Turn off continuous trans...

Страница 66: ...truction received but time overflow error occurred XX_v CR LF Instruction received but insufficient load XX_E CR LF Error during execution timeout for stable weighing value exceeded Data record format...

Страница 67: ...e 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 li...

Страница 68: ...eable batteries inserted The displayed weight is permanently changing Draught air movement Table floor vibrations Weighing plate has contact with other objects Electromagnetic fields static charging c...

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