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KERN PRS Operating Instruction

Precision and analytical balances
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Operating instruction
Precision and analytical balances
KERN PRS/PRJ/ARS/ARJ
Version 2.2
11/2006
GB
PRS/PRJ/ARS/ARJ-BA-def-0622
KERN & Sohn GmbH
Ziegelei 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
PRS/PRJ/ARS/ARJ-BA-e-0622
85

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  • Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Operating instruction Precision and analytical balances KERN PRS/PRJ/ARS/ARJ Version 2.2 11/2006 PRS/PRJ/ARS/ARJ-BA-e-0622 PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 2: Table Of Contents

    Unpacking, installation and commissioning ____________________________99 Place of installation, place of use _______________________________________99 Unpacking __________________________________________________________99 Installation _________________________________________________________100 6.3.1 Windshield for PRS and PRJ balances (d=0.1 mg)_______________________________ 101 Functions of the balance _____________________________________________102 Equipment overview: ________________________________________________103 Scope of delivery ___________________________________________________104 Mains supply _______________________________________________________105...
  • Page 3 Setup for “SET APP NET TOTAL” ______________________________________135 Setup for “SET APP TOTALISE” _______________________________________136 9.10 Setup for “SET APP ANIMAL WEIGHING” _______________________________137 9.11 Setup for “SET APP DENSITY” ________________________________________138 9.12 Setup for the statistics program _______________________________________140 9.13 Setup for CHECK weighing ___________________________________________142 PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 4 Configuration menu tree __________________________________________161 Application Menu Tree ___________________________________________164 15.1 Software updates via Internet _________________________________________165 Servicing, maintenance, disposal __________________________________165 16.1 Cleaning ___________________________________________________________165 16.2 Servicing, maintenance ______________________________________________165 16.3 Disposal ___________________________________________________________165 Troubleshooting ________________________________________________166 Error messages and correction of faults_____________________________167 18.1 Notes on correcting faults ____________________________________________167 PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 5: Technical Data

    1 Technical data KERN PRS 320-3N PRS 620-3N PRS 4200-2N PRS 4200- 2IP65N Readout (d) 0.001 g 0.001 g 0.01 g 0.01 g Weighing range (Max) 320 g 620 g 4,200 g 4,200 g Repeatability 1 mg 1 mg 10 mg...
  • Page 6 KERN PRS 6200-2N PRS 8200-1N PRS 8200-1IP65N PRS 12200-1N Readout (d) 0.01 g 0.1 g 0.1 g 0.1 g Weighing range (Max) 6,200 g 8,200 g 8,200 g 12,200 g Repeatability 10 mg 0.1 g 0.1 g 0.1 g Linearity ±...
  • Page 7 KERN PRS 12200- PRJ 320-3NM PRJ 620-3NM PRJ 1200-3N 1IP65N Readout (d) 0.1 g 0.001 g 0.001 g 0.001 g Weighing range (Max) 12,200 g 320 g 620 g 1,220 g Minimum load 0.02 g 0.02 g Verification value 0.01 g 0.01 g...
  • Page 8 210 x 340 x 150 (W x D x H) [mm] Net weight (kg) Weight units mg, g, kg Permissible ambient 10° C to 30° C conditions Stabilisation time 2 seconds Air humidity max. 80 % relative (non condensing) PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 9 GN, dwt, ozt, oz, lb, ct, C.M. mg, g, kg mg, g, kg tLH, tLM, tLT, mo, Tola Permissible ambient 10° C to 30° C 15° C to 25° C conditions Stabilisation time 2 seconds 3 seconds Air humidity max. 80 % relative (non condensing) PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 10 205 x 205 x 260 weighing space: windshield [mm] 180 x 200 x 240 180 x 200 x 240 Net weight (kg) Weight units mg, g Permissible ambient 15° C to 25° C conditions Air humidity max. 80 % relative (non condensing) PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 11: Declaration Of Conformity

    Electronic Balance: KERN ARS, ARJ KERN PRS, PRJ Mark applied EU Directive Standards 89/336EEC EMC EN 50081-1 EN 50082-1 EN 55022 Date: 15.01.2006 Signature: Gottl. KERN & Sohn GmbH Management Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149 PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 12 PRJ 4200-2NM PRJ 10200-1IP65NM PRJ 6200-2NM EU Directive Standards EC-type-approval Issued by certificate no. 90/384/EEC EN 45501 D00-09-029 Date: 15.01.2006 Signature: Gottl. KERN & Sohn GmbH Management Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-07433/9933-0,Fax +49-074433/9933-149 PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 13: Fundamental Information (General)

    The balance may only be used in compliance with the described guidelines. Varying areas of application/planned use must be approved by KERN in writing. Guarantee The guarantee is not valid following •...

  • Page 14: Monitoring The Test Equipment

    Please see KERN’s home page (www.kern-sohn.com) for information regarding the monitoring of balance test equipment and the test weights required for this. Test weights and balances can be calibrated quickly and at a reasonable price in KERN’s accredited DKD calibration laboratory (return to national standard).

  • Page 15: Unpacking, Installation And Commissioning

    It is then necessary to change the location. Unpacking Carefully remove the balance from the packaging, remove the plastic cover and install the balance in the intended workplace. PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 16: Installation

    (fig. 1, right) or a windshield with sliding doors (fig. 1, left) (2) and/or a protective ring (3). Fig. 1 Your balance Use the foot screws to level the balance until the air bubble is in the prescribed circle in the spirit level. PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 17: Windshield For Prs And Prj Balances (D=0.1 Mg)

    6.3.1 Windshield for PRS and PRJ balances (d=0.1 mg) The position of the windshield on the balance can be seen in figure 1 (see 2a). Note: If the windshield is not even after assembly, it can be adjusted according to drawing below.

  • Page 18: Functions Of The Balance

    Functions of the balance The versatile weighing program allows you to use the KERN balances of the PRS, PRJ, ARS, ARJ series not only for simple weighings but also using a simple method to carry out various weighing applications such as, for example, percentage or component counting applications and documenting the measurements obtained accurately and unequivocally.

  • Page 19: Equipment Overview

    Equipment overview: Cover of the device for suspended weighings Name plate Adjustable feet (for levelling) Weighing plate Multifunction display 10-key control panel Serial No. plate Connecting socket for power adaptor RS232 Interface Spirit level Eyelet for attaching a safety chain PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 20: Scope Of Delivery

    Scale pan support with weighing plate Power adaptor Protective cover for the display Windshield BASIC (only balances d = 0.1 mg) Simple windshield (only balances d = 1 mg) Protective ring (only balances d = 1 mg, d = 10 mg) Operating instructions PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 21: Mains Supply

    Electric power supply is by means of the external power adaptor. The printed voltage level must comply with the local voltage. Only use original KERN power adaptors. The use of other makes is subject to approval by KERN. Connecting peripheral devices The balance must be disconnected from the mains before connecting or disconnecting additional equipment (printer, PC) to or from the data interface.

  • Page 22: Calibration

    6.10.1 External calibration by means of ICM (only ARS/PRS models) Depending on the type of balance, calibration weights in steps of 10 g, 50 g, 100 g and 500 g can be used, where the calibration weight must relate to the accuracy of the balance.

  • Page 23: External Calibration With Freely Selectable Weight

    6.10.2 External calibration with freely selectable weight (only ARS/PRS models) For an external calibration with user-definable weight, “SET CALIBRATION MODE EXT.- DEF.” must be selected in the configuration menu (see Chapter 8.6 “Calibration functions”). Then, the effective value of the calibration weight (DEF. n.nnn g) must be entered with up to ten times precision when compared with the balance.

  • Page 24: Internal Calibration (Only Arj/Prj Models)

    The automatic calibration then takes place only if no weight is placed on the pan for at least five minutes. It is recommended that the time for the auto-calibration be set at a time outside the normal business hours (for example, in the early morning). PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 25: Balances Appropriate For Verification (Only Arj/Prj Models)

    In balances of class (I) the circle also denotes the warm-up phase. Your KERN trader will be happy to assist you at any time if you have any questions on the verification of the balance or on working with verified balances.
  • Page 26 The weighing result from the balance is outside the operational error limit. Therefore at regular intervals, load the balance with known test weights (approx. 1/3 of the maximum load) and compare with the display value. The re-verification date has been exceeded. PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 27: Suspended Weighing

    NOTE Take care that no dirt or moisture can get into the balance while the scale pan support is removed. After completing the suspended weighing, the opening on the underside of the balance must be closed again (dust protection). PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 28 In the application menu, you define a working program, which is adapted to the specific weighing situation. In addition, you can also define the parameters for the statistics program and the checkweighing program in the application menu. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 29 The cursor keys “ “, “ “, “ ” and “ “ allow you to move within the paths. NOTE The menu tree diagrams shown have the same layout as the paths of the two main menus. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 30 • Initiates print functions “PRINT” • Function keys. Initiate the functions in the info-line (see Chapter 7.5.5 “Info-line and function keys”). NOTE For the use of the “T”, “CAL”, “ ” and “PRINT” keys, see Chapter 10 “Special operating keys“. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 31 (when entering text) The balance can also be operated by remote control. For the relevant remote control commands, see Chapter 11 “Data transfer to peripheral devices”. For an illustration of the method of operation see Chapter 12 “Practical examples”. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 32 Any function displayed in the info-line corresponds to the function key which is directly below it (marked by G (3)). The cursor keys (4) “ ”, “ ”, “ ” and “ ” serve as function keys in the applications. These initiate the functions displayed in the info-line (2). PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 33 If the statistics program is activated in parallel with a working program, then “ ” is reserved for storing (“STO function”) or recalling statistical parameters (“INF function“). If the statistics program is not active, then “ “ can be used for the working program. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 34 The password protection is deactivated from the factory. The pre-programmed password set from the factory is: 7 9 1 4 This password is the same for all KERN balances and is always valid, in parallel with a self-selected password. Make a note of your personal password.
  • Page 35 The anti-theft-encoding is deactivated from the factory. The pre-programmed password set from the factory is: 8 9 3 7 This password is the same for all KERN balances. For reasons of security you should therefore always enter your own code.

  • Page 36: Working With The Configuration Menu

    Date and time (standard format or American format p.m. DATE AND TIME and a.m.) [only ARJ and PRJ] PASSWORD Password protection for menu definition Activation/deactivation and changing the THEFTCODE Anti-theft encoding Key Tone on/off KEY TONE LANGUAGE Language (E, G, F) PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 37 • Press ” ” repeatedly until the current language is displayed. • Press “ ”. The display starts to flash. • Press ” ” repeatedly until the language you require is displayed. • Press ” ” to confirm the selection. • Press “esc” to exit the menu. •SPR PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 38 Carat Metric 0.2 g Tael Hong Kong 37.4290 g Tael Malaysia 37.799366256 g Tael Taiwan 37.5 g Momme 3.75 g Tola 11.6638038 g Baht 15.2 g For further information on “Setting the weight unit”, see the example in Chapter 12.1.2. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 39 When a peripheral device (for example a printer) is connected, the balance interface must be configured in the “SET INTERFACE” sub-menu (see Chapter 8.8 “Interface functions”). For further information on “Setting the print function”, see the example in Chapter 12.1.3. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 40 For calibration of the balance see Chapter 6.10 “Calibration of the balance” and Chapter 6.10.1 “Notes on calibration”. NOTE The factory setting depends on the balance model. The internal calibration modes are only available on the PRJ and ARJ models. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 41 By using the AUTO-STANDBY function, you can define the period of non-use before the balance automatically goes into the energy-saving mode. NOTE The automatic standby function only operates if automatic zero point compensation is activated. For further information see Chapter 13. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 42 Set date and time DATE [DD.MM.YY] FORMAT STANDARD/US NOTE The date and time display continues in the event of a power failure. If this is not the case, the balance backup battery is exhausted and must be replaced by KERN trader. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 43 If the anti-theft encoding is activated, a four-digit code must be entered after every interruption of the power supply in order to unblock the balance for use. For further information on the anti-theft encoding see Chapter 7.7 “Anti-theft encoding”. To activate the anti-theft encoding, proceed as described for password protection. PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 44: Working With The Application Menu

    • For a greater clarity, only that part of the menu tree which corresponds to this application is shown with each application description. • You will find the complete menu tree for the application menu in Chapter 15 “Application menu tree”. • Explanations of the menu functions are printed in italics. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 45 In this function field, select the desired application. If an application is selected in the “SET APP.” menu, then only those sub-menus, which contain functions and parameters necessary to define the selected application are shown in the “SETUP APPLICATION” menu. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 46 “UNITS” application is not activated, see Chapter 8.4 “Selecting the weight unit”). • Display in the “UNITS” application: 8.070 By pressing the relevant function key, the weight display is switched to the corresponding unit “ ” “ ” “ ” “ ” PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 47 The value is first displayed in gramme Then press e.g. "5" « » « » « » « » The value is converted to items (PCS) and displayed or printed out “ ” “ ” “ ” “ ” PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 48 “ ” “ ” “ ” 100,00 The value is set as 100 %. All further values are then either displayed or printed out as a percentage of the defined reference weight. “ ” “ ” “ ” “ ” PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 49 In this way, for example, you can convert the weights of samples of a known size directly into “grammes per square metre” and these will be displayed. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 50 20 x 25 40 x 25 The value is converted and displayed or printed out. “ ” “ ” “ ” “ ” This application is a special application of the calculator (see Chapter 9.6 “Setup for “SET APP. CALCULATOR“). PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 51 • Procedure, if display is changed with ” ”: 100.579 Display sequence: Total 100.579 g TOTAL: 100.579 REM.-CAP.: 209.421 g “individual components” “ ” “ ” “ ” “ ” 100.579 Exit with “esc” REM.-CAP.209.421 g “ ” “ ” “ ” “ ” PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 52 • Procedure, if display is changed with “ ”: 70.456 Display sequence: Total 70.456 g TOTAL: 70.456 g REM.-CAP.: 239.543 g “individual components” “ ” “ ” “ ” “ ” 70.456 Exit with “esc” REM.-CAP.239.543 g “ ” “ ” “ ” “ ” PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 53 Manual trigger for the measuring process “AUTO”: Automatic trigger for the measuring process with one second delay after each change in load “STO”: Statistics and store functions • Display for “ANIMAL WEIGHING” application: 56.879 AUTO “ ” “ ” “ ” “ ” PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 54 By using the “DENSITY” working program, you can carry out density determination. • Function key legends on start-up: “OK”: Accept current reference density “CAL”: Determine reference density of measuring liquid “T-H2o”: Set reference density of water at nn.n °C “20.0C”: Set reference density of water at nn.n °C PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 55 « » « » « » If during step 5 or 6, the tare key “T” is pressed, then a reset is triggered. The program guides the user through the individual operating steps. For further information see Chapter 13.2. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 56 - Definition of the number of values after which the store process should be automatically completed. NOTE When storing the first value, a range of ±50 % is defined. Subsequent values must be within this range, otherwise an error message will appear. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 57 “ ” “ ” “ ” MAX.: 123.456 g 123.456 “individual components” STOR 0.001 g Exit with “esc” “ ” “ ” “ ” “ ” For further information on “Setting the Statistics function”, see the example in Chapter 12.2.2. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 58 - Weight TU to TO symbol ">||<" and lamp "green", signal sounds as soon as the weight is stabilised - Weight > TO: symbol "+" and lamp "yellow" NOTE A signal lamp is available as an accessory for this type of display. PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 59: Special Operating Keys

    – The balance carries out a calibration in accordance with the settings in the configuration menu (cf. Chapter 8.6 “Calibration functions”) and records these by means of a printout. NOTE A calibration process can be aborted using the “ON/OFF” key PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 60 “COUNT” application are active, these will appear one after the other in the info-line: “WEIGHING”, “CHECK +/- “, “STATISTICS”, “COUNT”. – Release “ ”, when the application you require is displayed. PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 61: Data Transfer To Peripheral Devices

    7 no 2 SB 1 DA 4 DA 5 DA 6 DA 7 DA 1 SP 2 8 no 1 SB 1 DA 4 DA 5 DA 6 DA 7 DA 8 Start Bit Parity Bit Data Bit Stop Bit PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 62 RS 232 in RS 232 in RS 232 out • Standard, duplex connection with additional hardware handshake in the peripheral device Balance RJ 45 Peripheral device RS 232 out RS 232 in RS 232 in RS 232 out 3 20 PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 63 Sign Sign (+, -, space) Decimal Point Decimal Point D0...D7 Digits Digits Unit Unit Carriage Return Carriage Return Line Feed Line Feed NOTE Unused positions are filled with spaces. The decimal point DP can be between D0 and D7. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 64 (k=A: use automatic positioning of decimal point) REF%k rrr Set reference weight rrr for 100 % with k=0...7 decimal places (k=A: use automatic positioning of decimal point) Rnnn Set current weight=nnn items REFrrr Set reference weight rrr for 1 item PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 65 Five dashes will be shown TEST123. Display will be: tESt123 The display will be dark T100 -100.000g (tare set to 100 g) -1.000 g (tare set to 1g) Balance will be tared off Table 8.5 Examples for remote control PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 66: Practical Examples

    • Press “ ” repeatedly until Unit 1 is displayed UNIT 1 9 • Press “ ”. • The display flashes UNIT 1 • Press “ ” repeatedly until the required unit is displayed • Press “ ” to confirm the selection UNIT 1 mo PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 67 PRINT FORMAT”, then back to “AUTOSTART ON” etc.). Using “ ”, select the parameter which you would like to change. Change the values in the same way as described for the "AUTOSTART" and "MODE" functions, and confirm the changes each time with “ ”. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 68 The current data protection status is then DATA PROTECTION MEDIUM displayed • Press “ ” • Enter the new password (procedure as PASSWORD NEW - - - - described above) • Press “ ” to store the entry DATA PROTECTION MEDIUM PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 69 KEY – 2 10 • Press “ ” • The display flashes KEY – 2 • By pressing “ ” and “ ” you can alter the value • Press “ ” to store the new value. KEY – 2 8 PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 70 • The quantity is then displayed “ ” “ ” “ ” “ ” NOTE Depending on the weight and tolerances of the objects to be counted, you should count a representative number of items to determine the reference weight. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 71 Press “MENU” to return to weighing mode. The balance then displays “0.00 g”. If you hold the Change key “ ” depressed, then you will see “COUNT”, then “STATISTICS”, then “WEIGHING”, then “COUNT” again, etc. appear one after the other in the info-line. PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 72 “ ” “ ” • Place the third item on the 7.820 weighing pan. STO 3 “ ” “ ” “ ” “ ” You can then recall the statistical parameters. Press “ ”. The following display appears (average value): PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 73 • Press “esc” to exit the info MIN. 7.820 g display. “ ” “ ” “ ” “ ” • “RES” will reset the memory. 0.000 The balance is ready for the next measuring sequence. “ ” “ ” “ ” “ ” PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 74: Further Information

    The value set for stability control depends on the quality of the balance location and must be correctly selected in order to obtain optimal, reproducible results. Select: • “HIGH STABILITY” at an optimal balance location, • “MEDIUM STABILITY” at a good balance location or • “LOW STABILITY” at a critical balance location PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 75 • Put a weight on the scale • Give a remote control command via the interface 13.1.4 Set Weighing mode: Auto-Zero If the automatic zero correction “Auto-Zero” is activated, the balance always gives a stable zero (e.g. even with room temperature fluctuations). PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 76 13.1.9. Various models are available for the PRx/ARx models. Balance model Density set model ARJ../ ARS.. AR-A01 PRJ../PRS.. PR-A02 13.2.1 Density determination “Solid on bottom mode” The reference liquid (water) which has been temperature-adjusted, is placed on the weighing pan and tared.

  • Page 77: Configuration Menu Tree

    During the start-up sequence (about 10 seconds), keep the “MENU” key depressed until “SET CONFIGURATION” is displayed. • SET KONFIGURATION FACTORY CONFIG. USER CONFIG. STORE CONFIG. • UNIT 1 UNIT 1 • SET DATA PRINT AUTO-START ON/OFF MODE UNSTABLE MODE STABLE MODE LOAD CHANGE MODE CONTINUOUS MODE TIMEBASE TIMEBASE PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 78 TIME AUTOCAL. TIME • SET WEIGHING MODE FLOATING DISPLAY 0.04 FLOATING DISPLAY 0.08 FLOATING DISPLAY 0.16 FLOATING DISPLAY 0.32 STABILITY STABILITY MEDIUM STABILITY HIGH AUTO-STANDBY AUTO-STANDBY 5 MIN AUTO-STANDBY 10 MIN AUTO-STANDBY 30 MIN AUTO-ZERO ON/OFF QUICK TARE ON/OFF PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 79 DATA PROTECTION HIGH NEW PASSWORD – – – • THEFTCODE THEFT PROTECTION THEFTCODE THEFT PROTECTION –––– NEW CODE – – – – • KEY TONE KEY TONE KEY TONE KEY TONE • LANGUAGE LANGUAGE ENGLISH SPRACHE DEUTSCH LANGUE FRANCAISE PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 80: Application Menu Tree

    • SET STATISTICS MODE MODE STATISTICS MODE RECORDER MODE STAT./RECORDER QUANTITY COLLECTION MANUAL COLLECTION TIMEBASE COLLECTION LOAD CHANGE • SET CHECK +/- MODE ON/OFF NOM. 100.000 g 120.000 g 80.000 g • AUTO-START AUTO-START ON/OFF PRS/PRJ/ARS/ARJ-BA-def-0622...
  • Page 81 Remove any spilt goods immediately. 16.2 Servicing, maintenance The device may only be opened by trained service engineers authorised by KERN. Disconnect from the mains supply before opening. 16.3 Disposal The operating company shall dispose of the packaging and the device in compliance with the valid national or regional law in the area of operation.

  • Page 82: Troubleshooting

    • Electromagnetic fields / static charging (choose different location/switch off device which is causing the interference if possible) Switch the balance off if other error messages should appear and then switch on again. Contact the manufacturer if the error message does not disappear. PRS/PRJ/ARS/ARJ-BA-def-0622...

  • Page 83: Error Messages And Correction Of Faults

    18 Error messages and correction of faults The balance shows a description of the fault in the info-line. NOTE If an error occurs without a description of the error in the info-line, a KERN Service Engineer must be called. 18.1 Notes on correcting faults The following table shows faults and their possible causes.
  • Page 84 The display flashes The balance location is not stable (abort calibration by switching off continuously using “ON/OFF” key and then install the balance at a more suitable during calibration location). Use of an imprecise calibration weight (only applies to external calibration) PRS/PRJ/ARS/ARJ-BA-def-0622...

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