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MLS-BA-defsi-0713

8.1.2 P2 GLP (Good laboratory practice)

Quality assurance systems require printouts of weighing results as well as of correct
adjustment of the balance stating date and time and balance identification. The
easiest way is to have a printer connected.
Definition of a standard log:

Operator

Indication

Call up menu item

“P2 GLP“

(see chapter 7.1)

Push -button

P1 alibration

P2 GLP

P3 D

P5 RS-232

ate/Time

P4 Redout

Printouts

Globals

Setup

29.12.04

01 User

Use the cursor (

►

) to select menu item

“01 User“

Push -button

Enter user name or number (max. 8 characters)

using the arrow keys (see chapter 7.1); the
respective active position blinks

Setup

P 2 01 User

02 Pr

03 Time print

04 Date print

05 User print

oject

ojekt

Last Cal

06 P

print

07 Id print

Print

W X /2 35

N ow ak

off

31.01.05

Confirm by pressing the

-key

02 Project

Use the cursor (

►

) to select

“02 Project “

Push

-button

Setup

P 2 01 User

02 Pr

03 Time print

04 Date print

05 User print

oject

ojekt

Last Cal

06 P

print

07 Id print

Print

W X /2 35

N ow ak

off

31.01.05

Enter project name or number (max. 8 characters)

using the arrow keys (see chapter 7.1); the
respective active position blinks

Confirm with -key

All other settings (03 – 08) are carried out in the same
way.

Содержание MLS 50-3HA160

Страница 1: ...______________________________ 72 5 1 Acceptance check _______________________________________________ 72 5 2 Packing ________________________________________________________ 72 6 Unpacking installati...

Страница 2: ...10 Call up data from the program library __________________________ 116 11 Set drying parameters _______________________________________ 117 11 1 Select profile _______________________________________...

Страница 3: ...ded class 50g F2 Ambient conditions 10 C 40 C surrounding temperature max 80 air humidity not condensing Turn off criterion Automatic 1 change of mass less than 1 mg in 20 s Automatic 2 change of mass...

Страница 4: ...uf das sich diese Erkl rung bezieht mit den nachstehenden Normen bereinstimmt Fran ais Nous d clarons avec cela responsabilit que le produit auquel se rapporte la pr sente d claration est conforme aux...

Страница 5: ...tions The series design is not explosion proof Structural alterations may not be made to the balance This can lead to incorrect weighing results faults concerning safety regulations as well as to dest...

Страница 6: ...this Test weights and balances can be adjusted quickly and at a reasonable price in KERN s accredited DKD calibration laboratory return to national normal 4 Fundamental safety instructions 4 1 Observ...

Страница 7: ...inst direct draughts due to open windows and doors Avoid jarring during weighing Protect the balance against high humidity vapours and dust Do not expose the device to extreme dampness for longer peri...

Страница 8: ...MLS BA defsi 0713 74 6 1 1 Assembly Structure Sample plate Extraction aid Dish holder Wind protection...

Страница 9: ...lance may only be connected to the mains power if the information on the balance sticker and the local mains voltage are identical Important Is the labeling 220 V 50Hz the same as the local mains volt...

Страница 10: ...accuracy of the balance depends on the local acceleration of the fall Instructions in chapter Adjustment must be observed Before connecting the balance with the mains plug make sure that the main swi...

Страница 11: ...ut interval 4 Processing time 5 Target temperature 6 Processing temperature 7 Diagram representing the active status Suszenie 0 235 M 09 28 30 1 2 0 C 120 C 19 09 03 3 M 30s 0 0 3 2 5 Drying 09 28 30...

Страница 12: ...er very slow slow standard fast very fast P4 02 Autozero Yes no P4 03 Temperature P5 RS 232 P5 01 Baud speed 2400 4800 9600 19200 P5 02 Parity none straight odd P5 03 Data bits 7 bits 8 bits P5 04 Sto...

Страница 13: ...ass less than 1 mg in 120 s Automatic 4 change of mass less than 1 mg in 180 s Automatic 5 change of mass less than 1 mg in 240 s User defined mg t User defined 2 60s range 0 001 9 999 Test Manual Tim...

Страница 14: ...P3 D P5 RS 232 P6 P7 C ate Time P4 Redout Printouts Globals Setup 29 12 04 Actuate key twice to leave the overview Menu selection using the arrow keys Select your setting using the cursor Use the key...

Страница 15: ...re of the heating chamber 3 Drying profiles 4 Result in M D R diagram 5 Lost weight Actuate key again a message will inquire whether you want to save the changes you made Einstellungen Save Enter Esc...

Страница 16: ...MLS BA defsi 0713 82 7 2 Operating the balance with PS 2 keyboard Using a PS keyboard will help you to enter numbers and texts faster and easier Key allocation Balance keyboard PS keyboard...

Страница 17: ...Pr 2 stop Pr 3 start Pr 3 stop Pr 4 start Pr 4 stop String 1 String 2 String 3 String 78 String 79 String 80 Password Program lib Beep Language Backlight Contrast Balance Id Softw rev Par Print Par re...

Страница 18: ...e of fluctuating environment temperature It is also recommendable to adjust the balance periodically during weighing operation in order to obtain exact measured values Procedure for adjustment Observe...

Страница 19: ...ing weight an error message is displayed Repeat adjustment Setup 29 12 04 Setup Actuate key twice Use the key to confirm the balance will automatically return to weighing mode 02 User calibr user defi...

Страница 20: ...e menu Remove adjusting weight The key can be used to cancel the adjustment In case of an adjustment error or incorrect adjusting weight an error message is displayed Repeat adjustment Actuate key twi...

Страница 21: ...alibration check Cear the pan Enter Press key the display shows the measuring value of the adjusting weight Einstellungen Calibration check Weight measuring Einstellungen Calibration check Load weigh...

Страница 22: ...cted at the two temperature points 1 Carrying out with Temperature calibration set MLB A03 Use the cursor to select 04 Temp calibr Setup 29 12 04 Setup Push button The temperature calibration is start...

Страница 23: ...lowing settings are required on the MLS A01 Switch on the device with the key The device carries out a self test All symbols are shown in the display Note When calibrating the temperature the automati...

Страница 24: ...displayed 26 08 14 time temp alarm L 25 2 C z time temp alarm When measuring the temperature press the key and hold until the following display flashes 24 55 12 23 3 22 n0 16 Press the key again is di...

Страница 25: ...The current menu item will flash Set the baud rate to 9600 using the arrow keys Setup P5 01 B ud rate 02 Parity 03 Data bits 04 Stop bits 05 Handshake a 06 Print of stab 0 0 2 0 9600 8 bits 1 bit 2 1...

Страница 26: ...ature calibration for the second point is complete The temperature value is adjusted and saved automatically The balance returns to weighing mode automatically L L Note The colour of the measuring sen...

Страница 27: ...he key the current menu item blinks Use the arrow keys see chapter 7 1 to save your settings 0 Print report deactivated 1 Print report activated Setup 29 12 04 Setup Confirm by pressing the key If Pri...

Страница 28: ...name or number max 8 characters using the arrow keys see chapter 7 1 the respective active position blinks Setup P2 01 User 02 Pr 03 Time print 04 Date print 05 User print oject ojekt Last Cal 06 P pr...

Страница 29: ...2 07 ID print 1 yes P2 08 Last Cal print 1 yes Example 2 Settings Print P2 03 Time print 0 no P2 04 Date print 1 yes P2 05 User print 1 yes P2 06 Project print 0 no P2 07 ID print 1 yes P2 08 Last Cal...

Страница 30: ...on to choose between the following settings 1 Month Day Year 0 Day Month Year Setup P3 01 02 03 04 05 Date format Time format Time Date Disp time Date 06 Disp 1 1 0 1 DA MO YR 24 Std Function On O n F...

Страница 31: ...ecrease Use the and keys to select the place to be changed the respective active place blinks Use the key to confirm your selection e g hours To change minutes and seconds proceed in the same way Use...

Страница 32: ...2 04 Confirm by pressing the key 8 1 4 P4 Readout Operator Indication Call up menu item P4 Readout see chapter 7 1 Push button P1 alibration P2 GLP P3 D P5 RS 232 P6 P7 C ate Time P4 Readout Printouts...

Страница 33: ...ettings 0 Deviations from the Zero display are not automatically tared 1 Deviations from the Zero display are automatically tared Setup Setup 29 12 04 Confirm by pressing the key 03 Temperature Use th...

Страница 34: ...06 Press the key the current menu item blinks Use the arrow keys see chapter 7 1 to save your settings Setup P5 01 B ud rate 02 Parity 03 Data bits 04 Stop bits 05 Handshake a 06 Print of stab 0 0 2 0...

Страница 35: ...1 1 Print 4 4 Print Use the key to confirm your selection 8 1 6 1 Standard data output 0 standard Data output is carried out by actuating the key Definition of the log header is executed in menu item...

Страница 36: ...cedure Footer 8 1 6 2 User defined data output 1 printout 1 4 Print Here you can define 4 different kinds of data output The content of the data output is defined as follows First line 1 Printout 1 st...

Страница 37: ...m see chapter 7 1 Apart from flow text characters numbers and numerals the following variables are stored in the menu General variables Printout of 1 character i e in order to print out 1 character tw...

Страница 38: ...of line next line r CR carriage return beginning of line n LF line feed next line t Tabulator s Next string 0 End of data input Variables in drying mode C Temperature sample room M Result wet D Result...

Страница 39: ...23 String 13 1 1 2 5 0 g 24 String 14 25 String 15 Example 2 Kern Sohn GmbH Datum Zeit Gewicht Unterschrift Aktueller Modus Text Parameter No 1 2 3 4 5 6 7 8 26 String 16 K e r n S 27 String 17 o h n...

Страница 40: ...t Print Header Line Start of the measurement Date 27 11 2003 Time 11 27 Dryling parameters Program number 3 Name Floar 100 Profiles standard Dry temperature 120 C Switch off Automatic 3 Result Moistur...

Страница 41: ...on F c Einstellungen 29 12 04 W l04305 M XA0 40 un tion F c un tion F c 1 1 O n 01 Password Password protection 02 Prog library Program overview 03 Beep Tone on off 04 Language User guidance selectabl...

Страница 42: ...r drying processes This memory library can store 99 drying processes The completed processes can be simply called up and started from the library Activating the program library Operator Indication Pus...

Страница 43: ...be stored Sample name e g powder Profile of the heating method e g Soft Drying temperature Conclusion Results Output interval Size of the sample g Correction value Allocate library parameters Operato...

Страница 44: ...ature is increased quickly and exceeds the set value for a short period After that the temperature is lowered to processing temperature and kept at this level until the end of the process The temperat...

Страница 45: ...nges 1mg within 120s Turn off when weighing value changes 1mg within 240s Turn off when weighing value changes 1mg in freely defined intervals Turn off when weighing value changes Percent range betwee...

Страница 46: ...desired setting Define output data The following output data are available Calculation according to proportion of moisture Calculation according to ATRO Calculation according to g lost moisture Calcul...

Страница 47: ...indication Actuate key use the cursor to select the desired parameter e g Printout interval Actuate the key to open selection Printout time The following selection criteria are available Printout afte...

Страница 48: ...s it possible to use identical sample sizes for each drying process Operator Indication Actuate key use the cursor to select the desired parameter sample Actuate key to open the selection sample If th...

Страница 49: ...t material on the sample plate Start now the drying process and compare the regulated temperature on the MLS50 3 and the read temperature on the temperature sensor Please calculate the correction fact...

Страница 50: ...tuate the key selection standard is activated Use the key to accept the standard setting for the sample with the key the old setting remains valid 10 Call up data from the program library Operator Ind...

Страница 51: ...ered 11 1 Select profile Operator Indication Turn on MLS 50 3 on main switch rear side Press the key Actuate the key selection profiles is opened Actuate the key use the cursor to select the desired p...

Страница 52: ...ges 1mg within 120s Turn off when weighing value changes 1mg within 20s Turn off when weighing value changes 1mg within 240s Turn off when weighing value changes 1mg in freely defined intervals Turn o...

Страница 53: ...lt representation are available Calculation according to proportion of moisture Calculation according to ATRO Calculation according to g lost moisture Calculation according to proportion of dry matter...

Страница 54: ...rsor to select the desired parameter e g Printout interval Actuate the key to open selection Printout time The following selection criteria are available Printout after 1 second 5 minutes selectable N...

Страница 55: ...ers for the sample to be tested are set drying can start Operator Indication Press the key When using the sample plates the dish holder serves as a protection from burning or pollution Put on empty sa...

Страница 56: ...ion methods The display shows when the dying process is completed The final result can be read on the display Output processing result by actuating the key Example Start drying Program nb 1 Name Floar...

Страница 57: ...wdery solids that can be poured Thermally stable materials that emanate the moisture to be analyzed easily without evaporating the other substances Liquids that evaporate to dry matter without formati...

Страница 58: ...like powdery and grainy samples a smaller surface to conduct thermal energy Using a glass fiber filter improves the absorption of heat Color of the sample Light colored samples reflect more thermal ra...

Страница 59: ...luences the evaporation process of the enclosed moisture For substances of this kind soft heating is also suitable Fast drying Fast heating can be used for samples with a moisture content of between 5...

Страница 60: ...end to splash each splash will falsify the final result MATERIAL Test item weight g Drying temperature C Data inquiry interval s Moisture solids Drying time min Dry piece of apple 5 8 100 10 76 5 10 1...

Страница 61: ...eive data Pin 3 Transmit data Pin 5 Signal ground Interface cables Balance printer 3 TxD 1 RxD 5 GND 3 GND 7 8 clench Balance PC 9 pole 2 RxD 3 TxD 3 TxD 2 RxD 5 GND 5 GND 4 6 clench 4 6 clench 7 8 cl...

Страница 62: ...ta output NB CR LF Serial no of balance FS CR LF Weighing range max RV CR LF Software issue PD CR LF Date display PD CR LF Time display PMCR LF Mode of operation PS CR LF Balance parameters are printe...

Страница 63: ...ration 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 clean soft clot...

Страница 64: ...bed above Make sure that the lamp is not touched or damaged Cleaning under the moisture analyzer top piece The space underneath the moisture analyzer top piece serves the purpose of insulation Therefo...

Страница 65: ...n has been interrupted mains cable not plugged in faulty Power supply interrupted The weight display changes continually Draught air movement Table floor vibrations Weighing plate has contact with oth...

Страница 66: ...9 Difference cal weight to stored momentaneous cal weight 1 The sample mass 1g 2 10 Sample 1g The sample mass outsider the range 2 11 Sample outside the adjusted area Outside range 3 1 Value of param...

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