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PES/PEJ-BA-defsi-0510

134

10.4. Density determination of solids (hydrostatic weighing)

Density is the relationship of weight [g] : volume [cm

]. The weight is determined by

weighing the sample in air. The volume results from the ascending force [g] of the
sample dipped in a liquid. The density [g/cm

] of that liquid is known (principle of Ar-

chimedes).

Operation

Display

The density is determined with help of the underfloor weighing device.
Prepare the balance as follows:

Turn-over the balance

Screw-in hook for underfloor weighing (option)

Put the balance over an opening

Hook-in the sample support

Fill measuring liquid in a vessel (e.g. beaker) and temper it.

Activate function

[

SET

]

(see chap. 7).

Selecting measuring liquid

[

]

: dest. Wasser

[

] :

Measuring liquid of your selec-

tion, density of which is known

q SET 5

1q NED. 0

0.0

If you selected

distilled water

NED.

the water temperature is input (input

range 0.0 to 99.9°).

Press and keep pressed until the blinking
display appears

15.0

D T

Содержание PEJ

Страница 1: ...____________________________________ 97 6 Unpacking Setup and Commissioning ____________________________ 98 6 1 Installation Site Location of Use________________________________ 98 6 2 Unpacking _____...

Страница 2: ...__________________________ 123 10 1 1 Taring ___________________________________________________ 124 10 1 2 Net gross ________________________________________________ 126 10 2 Parts counting _________...

Страница 3: ......

Страница 4: ...3 sec 3 sec 3 sec Check weight added 500g F2 1000g F2 1000g F2 Vibration filter 4 Minimum piece weight 0 01g Reference quantities 5 10 30 100 Net weight kg 4kg Permissible ambient condi tion 5 C to 35...

Страница 5: ...d 2000g M1 2000g M1 Vibration filter 4 4 Minimum piece weight 0 1 g 0 1g Reference quantities 5 10 30 100 Net weight kg 4 Permissible ambient condi tion 10 C to 30 C 5 C to 35 C Humidity of air max 80...

Страница 6: ...Adjustment weight internal Vibration filter 4 Minimum piece weight 0 01 g Reference quantities 5 10 30 100 Net weight kg 6 Permissible ambient condi tion 5 C to 35 C Humidity of air max 80 relative no...

Страница 7: ...ol lowing standards Deutsch Wir erkl ren hiermit dass das Produkt auf das sich diese Erkl rung bezieht mit den nach stehenden Normen bereinstimmt Fran ais Nous d clarons avec cela responsabilit que le...

Страница 8: ...r in Verbindung mit der Konformit tsbescheinigung einer benannten Stelle Fran ais Nous d clarons avec cela responsabilit que le produit auquel se rapporte la pr sente d claration est conforme aux norm...

Страница 9: ...t be strictly avoided This could cause damage to the balance Never operate balance in explosive environment The serial version is not explosion protected The structure of the balance may not be modifi...

Страница 10: ...Precautions 4 1 Pay attention to the instructions in the Operation Manual Carefully read this operation manual before setup and commissioning even if you are already familiar with KERN balances 4 2 Pe...

Страница 11: ...during weighing Protect the balance against high humidity vapours and dust Do not expose the device to extreme dampness for longer periods of time Non permitted condensation condensation of air humid...

Страница 12: ...S PEJ BA defsi 0510 99 Air bubble Connection net adapter Antitheft device Covering lid over 1 RS 232 inter face 2 Printer inter face Covering lid over underfloor weighing device Your balance in overvi...

Страница 13: ...Balance Weighing plate Mains power supply Check weight only PES Operating Manual Protective cover 6 4 Setup Positioning of weighing plate Levelling balance Use the foot screws to level the balance unt...

Страница 14: ...it to the mains power supply for at least 15 hours The operating time of the battery is about 6h charging time until complete recharging ca 15h In the menu you can activate the AUTO OFF function y A P...

Страница 15: ...rmation in the chapter on adjusting in chap 6 9 6 8 1 Power display The balance will carry out a self test Supply balance with power via the mains power supply Balance is in stand by mode green LED is...

Страница 16: ...lance zero display Environmental influences can lead to the exact figure of 000 0 not being displayed in spite of an empty weighing dish It is however possible to reset your balance to zero at any tim...

Страница 17: ...ing operation 6 9 1 Adjustment with external weight only PES Adjustment is possible with the delivered check weight but for reasons of measuring technique not always optimal We recommend the following...

Страница 18: ...rr repeat adjustment process Qn F 5 CAL Qn F 5 CAL BWSX EnD CAL a z0 g 6 9 2 Adjustment test with external weight only PES During adjustment tests the balance automatically compares the saved value of...

Страница 19: ...centre of the weighing plate The difference between the saved value and the measured value is displayed Take away adjustment weight Press any key the adjustment process is cancelled and the balance re...

Страница 20: ...ronmental conditions A warming up time of ca 1 hour is re quired for stabilization Ensure that there are no objects on the weighing plate Operation Display Activate function w CA 1 see chap 7 w CA 1 a...

Страница 21: ...with the actual value This is only a check i e no values are changed Procedure Observe stable environmental conditions A warming up time of ca 1 hour is required for stabilization Ensure that there ar...

Страница 22: ...efsi 0510 109 T F 5 CAL The difference between the saved value and the measured value is displayed Press any key the adjustment process is cancelled and the balance returns to weighing mode D KFF z02g...

Страница 23: ...l exists for balances described in their technical data as verify able If a balance is used where obligation to verify exists as described above it must officially verified and re verified in regular...

Страница 24: ...seal Access to the unlocking switch by removing the seal verification will be invalid and the rubber plug see drawing Position of unlocking switch Status downwards Balance is unlocked for the adjustm...

Страница 25: ...ndividual weighing requirements The menu is structured as follows Application menu To adjust the balance to user requirements Configuration menu 1 Definition of the basic functions 7 1 User principle...

Страница 26: ...it of the parameter actuate the TARE key or the arrow keys r SEL 0 r SEL 3 Saving your settings Leave the function menu and return to weighing mode a z0 g General information about using the arrow key...

Страница 27: ...rs 0 OFF Output only after pressing PRINT key Density determi nation Autom Data output 13 A Q 1 ON 0 Off 1 Adding 2C AD N 2 Tolerance weighing Additional functions r SEL 3 Combination Tolerance weighi...

Страница 28: ...d 1 g 2 kg Units A BK W A 4 ct 0 No unit 1 g 2 kg Units B With this setting you can set different display units A or B for one weighing value Press the F key to choose between units A and B B3 W B 4 c...

Страница 29: ...limiting points 23 P1 4 4 Limiting points 1 5 1 Evaluation for absolute values Assessment 24 TXP 2 Evaluation for difference values with reference weight 0 No signal at limit 1 Signal at limit 1 25 B...

Страница 30: ...weighing value after previ ous relief of balance 5 One output for stable weighing value No output for stable weighing values Renewed output after stabilization 6 One output for stable weighing value...

Страница 31: ...at setting v K F 2 or v K F 3 6s PA 2 Even parity 7 7 bits Data Bits only at setting v K F 3 6t D L 8 8 bits 1 1 bit Stop Bits only at setting v K F 3 6u ST 2 2 bit 0 Always use this setting not docu...

Страница 32: ...isplay Switch on balance a z0 g Call up menu Hold F key while TARE key is pressed until FWnm 2 is displayed Fonm2 When releasing the first function is dis played K KD O q KD 0 Changing the function or...

Страница 33: ...Menu overview The manufacturer s setting has a certain standard configuration This one is marked with Function Display Choice Description of the options 0 Off Setup balance ID no 1 1D 1 ON 0 Always us...

Страница 34: ...within the function Call up individual functions multiple print The entry point will be shifted one spot to the left Tare or set weight display to zero Individual setting within the individual functi...

Страница 35: ...Percent weighing Weighing with freely programmable weighing unit Tolerance weighing Adding function active Total L Output date time M Balance carries out balance function e g unit count display of st...

Страница 36: ...ike e g tolerance weighing adding see chap 7 2 Additional functions So you can display the measuring values according to your needs Actuating the key will switch the displayed value to the active func...

Страница 37: ...oods to be weighed Operation Display Place empty tare container on the weigh ing plate The total weight of the con tainer is displayed 75s0 g Reset display to 0 z0 g Net The weight of the container is...

Страница 38: ...ow read off the weight of the added item to be weighed on the display 457z9 g Net NOTE The balance is able to only store one taring value at a time When the balance is unloaded the saved taring value...

Страница 39: ...active see chapter 7 Operation Display Place empty tare container on the weigh ing plate The total weight of the con tainer is displayed 100z0 g Reset display to 0 z0 g Net The weight of the container...

Страница 40: ...of parts the average weight per part has to be determined with a small quantity reference quantity The larger the reference quantity the higher the counting exactness High reference must be selected...

Страница 41: ...erence quantity the more accurate the parts counting Qn 30 Pcs M Weigh in the reference unit Place as many parts to count on the bal ance as the set reference quantity re quires The reference quantity...

Страница 42: ...value e g in Number of parts placed on balance Pcs Average part weight g Pcs Weight of parts placed on balance in g 50 Pcs 20 00001 Pcs g 100z0 g NOTE If the error message Sub appears in the reference...

Страница 43: ...ing 100 10 3 1 Entering the reference weight by weighing Operation Display Activate function q SET 3 see chap 7 The display shows the symbol q SET 3 z0 Determine reference weight Press for about 4 sec...

Страница 44: ...eight is outside the weighing range The 100 reference is preserved until the balance is disconnected from the mains 10 3 2 Numeric entering of the reference weight Operation Display Activate function...

Страница 45: ...t numerically Entering the numeric value or i 0 1 2 9 Any time you press TARE key or the ar row key you will go through the numbers 0 9 decimal dot and minus Select the number to be changed the active...

Страница 46: ...n 7y0 By repeated pressing switching option of the displayed value in g or 59t8 g 7y0 NOTE If the error message o Err is displayed the reference weight is outside the weighing range The 100 reference...

Страница 47: ...help of the underfloor weighing device Prepare the balance as follows Turn over the balance Screw in hook for underfloor weighing option Put the balance over an opening Hook in the sample support Fill...

Страница 48: ...mber to be changed the active position flashes or Save an acoustic signal sounds EnD 0 0 g D Once you have selected a measuring liquid according to your selection 1q NED 1 its density is input input r...

Страница 49: ...ample will be determined 1 Weight of the sample in air Tare balance with sample holder 0 0 g D Put on sample Wait till the weight display on the balance is stable The weight of the sample in air is sa...

Страница 50: ...Wait till the weight display on the balance is stable The weight of the sample in the measuring liquid is saved 520 0 g D 2 731 D The density of your sample is displayed characterized by the symbol ri...

Страница 51: ...parts counting percent determination Operation Display 1 Activate function 2 SEL 1 see chap 7 2 Select one of the following settings 1 Add 2 Adding with AUTO TARA r SEL 1 2 C AD N 1 3 Place the weigh...

Страница 52: ...dividual weighings By repeatedly pressing the F key switching of the displayed value into other activated functions z0 g 170z0 g 9 Delete total added memory Display total step 7 then press TARE key z0...

Страница 53: ...spec tive poured quantity 2 SEL 3 Entering limits is possible for the following functions Weighing Parts counting Percent determination Weighing with freely programmable weighing unit There are two di...

Страница 54: ...For 2 limits 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...

Страница 55: ...ee chap 7 r SEL 2 2 Selection of tolerance parameters or Any time you press the F key you can select between the following settings see chap 7 2 1 2q CQ 1 The first parameter for setting the toler anc...

Страница 56: ...lerance weighing function 2 SEL 2 or 2 SEL 3 see chap 7 r SEL 2 2 Actuate required parameter selection or until 23 P1 1 or 24 TXP 1 is displayed more settings of your choice see chap 12 3 are carried...

Страница 57: ...g display last saved value prompts you to enter the lower limiting value L SET 5 Place sample for the lower i e smaller limiting value on the weigh ing plate 6 Save An acoustic signal sounds the saved...

Страница 58: ...returns to tolerance weigh ing mode From here evaluation takes place whether the goods to be weighed are within the two tolerance limits An acoustic signal sounds the saved upper limit is briefly dis...

Страница 59: ...7 r SEL 2 2 Actuate required parameter selection or until 23 P1 1 or 24 TXP 1 is displayed more settings of your choice see chap 12 3 are carried out in the same way 2q CQ 1 Parameter selection for 3...

Страница 60: ...you to enter the first lower limit ing value LK SET 5 Place sample for the first limiting value on the weighing plate 6 Save An acoustic signal sounds the saved first limiting value is briefly displa...

Страница 61: ...enter 3rd and 4th limiting value repeat steps 7 and 8 10 Save The balance returns to tolerance weigh ing mode From here evaluation is carried out whether the goods to weighed are within the tolerance...

Страница 62: ...more settings of your choice see chap 12 3 are carried out in the same way 2q CQ 1 Parameter selection for 2 limiting points 2s P 2 1 Parameter selection for absolute value 2t TXP 1 3 Leave function...

Страница 63: ...pts you to nu merically enter the lower limit 6 Entering numeric value for the lower limit or i 0 1 2 9 Any time you press the TARE key or the arrow keys you will go through the num bers 0 9 decimal d...

Страница 64: ...e 8 To enter the numeric value for the upper limiting value repeat steps 5 6 9 Save The balance returns to tolerance weigh ing mode From here evaluation takes place whether the goods to be weighed are...

Страница 65: ...lerance weighing function 2 SEL 2 or 2 SEL 3 see chapter 7 r SEL 2 2 Actuate required parameter selection or until 23 P1 2 or 24 TXP 2 appears more settings of your choice see chap 12 3 are carried ou...

Страница 66: ...release R SET The flashing display last saved value prompts you to enter a reference value 5 Place reference weight onto weighing plate 6 Save An acoustic signal sounds the saved reference value is br...

Страница 67: ...Place sample for the upper i e lar ger limiting value on the weighing plate 10 Save Remove sample from weighing plate The balance returns to tolerance weigh ing mode From here evaluation takes place w...

Страница 68: ...ting point 12 5 3 Numeric entering of 2 limits Operation Display 1 Activate tolerance weighing function 2 SEL 2 or 2 SEL 3 see chap 7 r SEL 2 2 Actuate required parameter selection or until 23 P1 2 or...

Страница 69: ...ght appears flashing 5 Display changes to flashing zero The flashing display prompts you to nu merically enter a reference weight 6 Entering a numeric value or i 0 1 2 9 Any time you press TARE key or...

Страница 70: ...st saved value prompts you to enter the lower differ ence value 8 Entering lower limit Repeat steps 5 and 6 9 Confirm An acoustic signal sounds the saved lower difference value is briefly dis played H...

Страница 71: ...are within the two tolerance limits An acoustic signal sounds the saved upper difference value is briefly dis played To enter 3 or 4 limiting values L1 SET L3 SET or L4 SET repeat steps 8 and 9 see al...

Страница 72: ...flashing Select the number to be changed the active position flashes or 15 OO OO L Changing the numerical value or 15 O O 7 3 L 3 Save After storing your setting the date dis play will appear 1 O O 7...

Страница 73: ...splay of your data output under menu item F DATE see menu overview chpt 7 2 Operation Display 1 Call up menu Keep pressed until D SET appears Fonm D SET Press again TKNE 15 OO OO L Last stored time ap...

Страница 74: ...5 L Time to be changed is flashing Select the number to be changed the active position flashes or 1 O O 7 1 5 L Changing the numerical value or 1 O O 8 1 5 L 3 Save After storing your settings the ba...

Страница 75: ...unction in the menu see chpt 7 2 1 13 3 1 Interval setting Operation Display 1 Call up menu keep pressed until KNT UAL appears KNT UAL 00 1 0 O O Time to be changed is flashing 2 Set interval Select t...

Страница 76: ...PES PEJ BA defsi 0510 163 13 3 2 Start Stop interval output Operation Display Start output START a 7z3 g L Stop output END a z0 g The balance returns automatically into weighing mode...

Страница 77: ...haracter is displayed as _ Operation Display 1 Call up menu Hold F key while TARE key is pressed until FWnm 2 is displayed see chapter 8 Fonm2 When releasing the first function is dis played K KD O q...

Страница 78: ...65 Select the number to be changed the active position flashes or 000001 Changing the numerical value or 000501 5 Save Your setting will be stored and the next menu item will appear 2 CRCA O 6 Return...

Страница 79: ...232C interface The RS 232C interface allows a bi directional data exchange from the balance to ex ternal devices This data exchange is asynchronous using ASCII Code Pin allocation of balance output p...

Страница 80: ...RE Input External tare function 2 3 4 TXD Output Transmit data 5 GND Signal ground 6 7 8 14 3 Description of interface The selection of a certain operating mode allows you to set the output format the...

Страница 81: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 P1 D1 D2 D3 D4 D5 D6 D7 D8 U1 U2 S1 S2 CR LF NOTE The 7 digit format is identical to the 6 digit with the exception of the addi tional character D8 Extended 7 digi...

Страница 82: ...4 5 1 Result evaluation for balances with tolerance range S 1 1 word S1 Code Meaning L 4CH Goods to be weighed below tolerance limit G 47H Goods to be weighed within tolerance range H 48H Goods to be...

Страница 83: ...nce indicating error o Err u Err sp 20 H No special status 14 5 3 Interval data output When an interval output is started or stopped this will result in the output of a header or footer line Header co...

Страница 84: ...e lief of balance 0 5 4FH 35H One output for stable weighing value No output for stable weighing values Renewed output after stabi lization 0 6 4FH 36H One output for stable weighing value Continuous...

Страница 85: ...en cleaning please ensure that the membrane is not damaged or soiled 15 2 Service maintenance The appliance may only be opened by trained service technicians who are authorized by KERN Before opening...

Страница 86: ...s obviously wrong Great fluctuations in temperature Electromagnetic fields static charging choose different location switch off inter fering device if possible Error message Possible cause o Err Weigh...

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