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PRS/PRJ/ARS/ARJ-BA-def-0622 85 

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 

 
 
 
 

Operating instruction 
Precision and analytical balances 

 
 
 

KERN PRS/PRJ/ARS/ARJ 

Version 2.2 
11/2006 
GB

 

 
 

 

 

 

 

PRS/PRJ/ARS/ARJ-BA-e-0622 

Содержание PRJ

Страница 1: ...egelei 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 instruction Precision and analytical balances KERN PRS PRJ ARS ARJ...

Страница 2: ..._____99 6 2 Unpacking __________________________________________________________99 6 3 Installation _________________________________________________________100 6 3 1 Windshield for PRS and PRJ balanc...

Страница 3: ...n ____________________________________________122 8 4 Selecting the weight unit _____________________________________________122 8 5 Print functions____________________________________________________...

Страница 4: ...__________________________________ 155 13 Further information ______________________________________________158 13 1 Notes on Weighing mode _____________________________________________158 13 1 1 Set...

Страница 5: ...0 01 g 0 01 g Reference quantity when counting parts 1 999 1 999 1 999 1 999 Weighing plate stainless steel mm 135 x 135 135 x 135 170 x 170 170 x 170 Dimensions of housing W x D x H mm 210 x 340 x 1...

Страница 6: ...weight in count mode 0 01 g 0 1 g 0 1 g 0 1 g Reference quantity when counting parts 1 999 1 999 1 999 1 999 Weighing plate stainless steel mm 170 x 170 200 x 200 200 x 200 200 x 200 Dimensions of ho...

Страница 7: ...nt mode 0 1 g 0 001 g 0 001 g 0 001 g Reference quantity when counting parts 1 999 1 999 1 999 1 999 Weighing plate stainless steel mm 200 x 200 135 x 135 135 x 135 135 x 135 Dimensions of housing W x...

Страница 8: ...g 15 mg 0 1 g 0 1 g Adjustment weight internal internal internal internal Minimum piece weight in count mode 0 01 g 0 01 g 0 1 g 0 1 g Reference quantity when counting parts 1 999 1 999 1 999 1 999 We...

Страница 9: ...weight in count mode 0 1 g 0 1 g 0 1 mg 0 1 mg Reference quantity when counting parts 1 999 1 999 1 999 1 999 Weighing plate stainless steel mm 200 x 200 200 x 200 80 80 Dimensions of housing W x D x...

Страница 10: ...econds Adjustment weight internal internal internal Minimum piece weight in count mode 0 1 mg 0 01 mg 0 1 mg Reference quantity when counting parts 1 999 1 999 1 999 Weighing plate stainless steel mm...

Страница 11: ...following standards Deutsch Wir erkl ren hiermit dass das Produkt auf das sich diese Erkl rung bezieht mit den nachstehenden Normen bereinstimmt Fran ais Nous d clarons avec cela responsabilit que le...

Страница 12: ...ten Stelle Fran ais 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 Cette d claration est valide seulement avec...

Страница 13: ...easuring equipment Be sure to avoid impact shock and overloading the balance in excess of the prescribed maximum load rating max minus any possible tare weight that is already present This could cause...

Страница 14: ...ion 4 1 Observe the information in the operating instructions Please read the operating instructions carefully before installing and commissioning even if you already have experience with KERN balance...

Страница 15: ...arring during weighing Protect the balance against high humidity vapours and dust Do not expose the device to extreme dampness for long periods of time Inadmissible bedewing condensation of air moistu...

Страница 16: ...y be square fig 1 right or round fig 1 left Depending on the model see Chapter 1 Technical Data the balance additionally has a simple windshield fig 1 right or a windshield with sliding doors fig 1 le...

Страница 17: ...ield 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 Press down the higher corner arrow with moderate forc...

Страница 18: ...features of the KERN PRS PRJ ARS ARJ series include Anti theft encoding with four digit numerical code Multi stage password protection for the program menus ICM Autocalibration Intelligent Calibratio...

Страница 19: ...device for suspended weighings 2 Name plate 3 Adjustable feet for levelling 4 Weighing plate 5 Multifunction display 6 10 key control panel 7 Serial No plate 8 Connecting socket for power adaptor 9 R...

Страница 20: ...ll components d 0 1 mg d 1 mg d 10 mg d 0 1 mg d 1 g Standard accessories Balance Scale pan support with weighing plate Power adaptor Protective cover for the display Windshield BASIC only balances d...

Страница 21: ...vity at each location This adjustment process known as calibration must be carried out on commissioning and after each subsequent relocation It is also advisable that you adjust the balance periodical...

Страница 22: ...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 For an external calibration by means of I...

Страница 23: ...n when compared with the balance NOTE If calibration is carried out with the free weight then only this weight may be used Then proceed as follows Switch to WEIGHING using the key CALIBRATION Press CA...

Страница 24: ...librates itself automatically every 24 hours and or after each temperature change of 3 degrees Celsius depending on how SET CALIBRATION AUTOCAL has been defined in the configuration menu The timing of...

Страница 25: ...ailable In the event that the balance is used in an area subject to verification as described above it must be officially verified and re verified at regular intervals Re verification of a balance is...

Страница 26: ...en out of operation if 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 loa...

Страница 27: ...ow visible metal casting 2 Place the balance over an opening Replace the scale pan support and the scale pan Level the balance Switch on the balance Hang the object to be weighed on the hook and carry...

Страница 28: ...on current saving function The delay before switching to Standby is defined in the configuration menu see Chapter 8 7 Weighing mode Press any key or put on a weight in order to switch the balance from...

Страница 29: ...ration menu 7 4 2 Activating the application menu To get into the application menu press MENU after the start up sequence is complete 7 5 How the menu control operates The configuration menu and the a...

Страница 30: ...panel apply Key s Name Function in weighing mode ON OFF Switches the balance on and off MENU Calls up the configuration menu and the application menu CAL Initiates calibration functions T Initiates ta...

Страница 31: ...sub path Alters the selected parameters Selects parameters Stores the altered parameters esc Aborts an entry Exits the menu ins Places cursor when entering text clr Deletes entry when entering text PR...

Страница 32: ...cursor keys to control the working programs 7 5 5 Info line and function keys If an application working program is used then as well as the measurement display 1 the four column info line also appear...

Страница 33: ...ample STO initiates the manual store function STO RES activates the RES Reset function INF activates the INF function display sequence of the statistic parameters average value standard deviation rela...

Страница 34: ...ion menu NOTE 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...

Страница 35: ...y KERN Service can unblock the balance again NOTE 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...

Страница 36: ...h the results of the weighing are displayed SET DATA PRINT Print formats type of value to be printed out individual value continuous print time or load change dependant values date time user etc SET C...

Страница 37: ...e Explanations of the menu functions are printed in italics 8 2 Language function To activate the menu see Chapter 7 4 Activating the two main menus and Chapter 7 5 How the menu control operates LANGU...

Страница 38: ...show results in different units although on some balances display it is not possible to display in milligrammes or kilogrammes because of the current weighing range Display Weight unit Conversion to g...

Страница 39: ...ON OFF PRODUCT ttt PRODUCT MODE HOLD PRODUCT MODE DELETE PRODUCT MODE COUNT OPERATOR ttt Using SET PRINT FORMAT those elements which are switched on are printed in each case With UNITS all units activ...

Страница 40: ...l weight automatic AUTOCAL only PRJ and ARJ models DEF 0 000 g Calibration weight for EXT DEF mode AUTOCAL TIME TEMP AUTOCAL TEMPERATURE AUTOCAL TIME Autocal on time and temp Autocal on temperature Au...

Страница 41: ...balance location AUTO STANDBY OFF AUTO STANDBY 5 MIN AUTO STANDBY 10 MIN AUTO STANDBY 30 MIN Auto Standby not active or active after nn minutes AUTO ZERO ON OFF Automatic zero correction on off QUICK...

Страница 42: ...ARDWARE Enter handshake function By using the interface functions the RS232 V24 interface of the balance is matched to the interface of a peripheral device see Chapter 11 Data transfer to peripheral d...

Страница 43: ...changes For further information on password protection see Chapter 7 6 Password protection of the menus and Chapter 12 1 4 Activation of password protection SET 8 11 Anti theft encoding To activate t...

Страница 44: ...path Definable functions SET APP Select application program SETUP APPLICATION Specify parameters for the working program as selected under Application SET STATISTICS Statistics and store functions SET...

Страница 45: ...hing mode Different units Parts counting Percent weighings Conversions Determine paper weights in g cm2 Totalise weighing results with intermediate tare Totalise weighing results without intermediate...

Страница 46: ...ction key legends g Display value in unit 1 e g gramme kg Display value in unit 2 e g kilogramme GN Display value in unit 3 e g grain ct Display value in unit 4 e g carat or Statistics functions if st...

Страница 47: ...g 5 items and assign the acquired reference weight to the reference quantity by pressing the relevant function key Depending on the weight and tolerances of the objects to be counted you should count...

Страница 48: ...and print out the weight of different measurements as a percentage of a previously defined reference weight Place the reference weight on the weighing plate and press SET to set the reference weight...

Страница 49: ...the four function keys is first assigned a name then a particular conversion factor decimal place definition display unit and unit for the printout Display in the CALCULATOR application 123 456 g M N...

Страница 50: ...r 9 6 Setup for SET APP CALCULATOR By using this program you can convert the weights of paper items with standard sizes e g 100 cm2 20 x 25 cm A4 40 x 25 cm directly into Grammes per square meter and...

Страница 51: ...ared off to zero before each individual weighing Function key legends STO Accept stable value and then add to total of components RES Reset INF Change to total weight remaining capacity individual com...

Страница 52: ...balance is not tared off to zero before each individual weighing Function key legends STO Accept stable value and add RES Reset INF Change to total weight remaining capacity individual components and...

Страница 53: ...curately even when they move around on the weighing plate Throughout the measuring period as defined by the user in the setup menu the scale measures continuously then at the end of the measuring peri...

Страница 54: ...CE 8000 Reference for INDEX TIMEBASE 0 0 Timebase for repeat operation in seconds REF DENSITY 0 998205 Density of the liquid used for measurement factory setting water at 20 C TEMPERATURE 20 C Tempera...

Страница 55: ...t step STO store the relevant value statistics Function key legends during the weighing Step 123 456 9 1 AIR SET 2 FLOOR SET 3 POROUS SET 4 LIQUID SET 5 DENSITY STO 6 INDEX STO U U U U During operatin...

Страница 56: ...ctions MODE In this function field you can define whether only the statistics program only the storing program or whether both programs are to be used at the same time COLLECTION With MANUAL the funct...

Страница 57: ...ard deviation STDDEV Relative standard deviation STDDEV Maximum MAX Minimum MIN Recorder values and back to current value Exit the INF display using the esc key Display in Statistics program 123 456 g...

Страница 58: ...it matches a defined reference value within permissible plus minus deviations In the CHECK application the four function keys are not active In the display and II are active Whenever II is illuminate...

Страница 59: ...n 10 2 The CAL key CAL Initiate a calibration process Ensure that the balance is in the weighing mode Keep CAL pressed until CALIBRATION is displayed Release CAL The balance carries out a calibration...

Страница 60: ...ng mode Keep PRINT pressed until PRINT STATUS is displayed Release PRINT The balance status will be printed out Print out the application setup Ensure that the balance is in the weighing mode Keep PRI...

Страница 61: ...factory It can be set to software handshake XON XOFF or to hardware handshake Baud rate Possible baud rates 300 600 1 200 2 400 4 800 9 600 baud Parity Possible parity 7 even 1 stop 7 odd 1 stop 7 No...

Страница 62: ...Standard duplex connection Balance RJ 45 D25 Peripheral device RS 232 out 2 3 RS 232 in RS 232 in 6 2 RS 232 out GND 5 7 GND Standard duplex connection with additional hardware handshake in the periph...

Страница 63: ...de 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 B B B S D7 D6 D5 D4 D3 D2 D1 DP D0 B U CR LF B Blank Space space S Sign Sign space DP Decimal Point Decimal Point D0 D7 Digits Digits U Unit Unit CR Carriage Ret...

Страница 64: ...PCxxxx Enter anti theft code PDT Print out date and time PRT Initiate printing Press Print key PST Initiate print status Pn ttt t Set print mode n 0 Individually print each value unstable n 1 Individu...

Страница 65: ...nn 0 g 1 mg 2 kg UxS Switch balance to unit x 1 4 ZERO Zero the balance provided weight is stable and within the zero setting range NOTE Each remote control command must terminate with CR LF The comma...

Страница 66: ...Press repeatedly until the currently active language is displayed Press LANGUAGE ENGLISH The language then flashes Press repeatedly until the required language is displayed SPRACHE DEUTSCH Press to c...

Страница 67: ...irm the desired change MODE STABLE Press to select the next function MODE STABLE is displayed MODE STABLE The display flashes Press until the parameter you require is displayed STABLE UNSTABLE LOAD CH...

Страница 68: ...l the second digit of the password is correctly displayed In the same way enter the third and fourth digit of the password When you have entered all four digits press Press DATA PROTECTION OFF The cur...

Страница 69: ...Activate the application menu SET APP OFF Press repeatedly until SET APP OFF is displayed Press SET APP OFF The display flashes Keep pressing until SET APP COUNT is displayed SET APP COUNT Press to c...

Страница 70: ...5 50 U U U U Place five of the items to be counted e g paper clips on the weighing plate 3 720 g 5 8 25 50 U U U U Press 5 allocated reference quantity 5 5 PCS 5 8 25 50 U U U U The weight is then con...

Страница 71: ...tistics program and store with Press QUANTITY 100 Quantity 100 is displayed Press QUANTITY 100 The display flashes Press or as many times as necessary until the required quantity max 999 is displayed...

Страница 72: ...U U 8 050 g STO 1 RES INF U U U U Place the first item e g a pencil on the weighing plate Start the collection with STO 0 8 150 g STO 2 RES INF U U U U Place the second item on the weighing pan 7 820...

Страница 73: ...ther 0 000 g STOA 0 169 g U U U U Standard deviation 0 000 g STOA 2 11 U U U U Relative standard deviation 0 000 g MAX 8 150 g U U U U Maximum value 0 000 g MIN 7 820 g U U U U Minimum value Press esc...

Страница 74: ...location FLOATING DISPLAY 0 04 or FLOATING DISPLAY 0 08 Good balance location FLOATING DISPLAY 0 16 Critical balance location FLOATING DISPLAY 0 32 NOTE The value of the Floating Display is related t...

Страница 75: ...terface for at least 5 minutes the automatic zero correction Auto Zero is activated These are the options for re start the balance after it has been switched off by automatic Auto Standby Briefly depr...

Страница 76: ...the solid from the weights taken 13 2 2 Density determination Solid in air mode With this weighing method the solid is weighed through suspended weighing see Chapter 6 11 Suspended weighing Then the s...

Страница 77: ...bout 10 seconds keep the MENU key depressed until SET CONFIGURATION is displayed SET KONFIGURATION FACTORY CONFIG USER CONFIG STORE CONFIG UNIT 1 UNIT 1 g mg kg GN dwt ozt oz Lb ct C M tlH tlM tlT mo...

Страница 78: ...TOR ttt SET CALI BRATION MODE OFF MODE EXTERNAL MODE EXT DEF MODE INTERNAL MODE AUTO DEF 0 000 0 000 g AUTOCAL TIME TEMP AUTOCAL TEMPERATURE AUTOCAL TIME AUTOCAL TIME 6 h SET WEIGHING MODE FLOATING DI...

Страница 79: ...8 NO 1STOP HANDSHAKE NO HANDSHAKE XON XOFF HANDSHAKE HARDWARE SET DATE AND TIME only PRJ ARJ models TIME HH MM SS DATE DD MM YY FORMAT STANDARD US PASSWORD PASSWORD DATA PROTECTION OFF DATA PROTECTIO...

Страница 80: ...PER NET TOTAL TOTALISE ANIMAL WEIGHING DENSITY SETUP APPLICATION Structure depends on the current application see Chapter 9 Working with the application menu SET STATISTICS MODE MODE MODE MODE OFF STA...

Страница 81: ...ge before cleaning Only use a cloth dampened with mild suds and not aggressive cleaning agents solvents or similar Please ensure that fluids are not able to get into the device and rub off using a cle...

Страница 82: ...play changes continually Draught air movement Table floor vibrations The weighing plate is in contact with foreign matter Electromagnetic fields static charging choose different location switch off de...

Страница 83: ...is shown in the display The weighing range has been exceeded Note the information on the maximum weight range UL is shown in the display The weight is below the range of the balance weighing pan or sc...

Страница 84: ...lay is unsatisfactory Configuration menu cannot be altered The password lock is activated in the configuration menu The display flashes continuously during calibration The balance location is not stab...

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