User Manual
VWR B2 SERIES BALANCES
Rev B2-05
Страница 1: ...User Manual VWR B2 SERIES BALANCES Rev B2 05...
Страница 2: ...ING UNIT 13 5 5 UNITS ACCESSIBILITY 13 5 6 START UNIT SELECTION 13 5 7 CUSTOM UNIT 14 6 WORKING MODES GENERAL INFORMATION 14 6 1 RUNNING WORKING MODE 15 6 2 WORKING MODE ACCESSIBILITY 15 6 3 WORKING M...
Страница 3: ...LY 33 13 2 RUNNING THE PROCESS AUTOMATICALLY 34 14 MISCELLANEOUS PARAMETERS 34 15 DETERMINIG PRINTOUT CONTENT 36 15 1 CALIBRATION REPORT 36 15 2 HEADER FOOTER GLP PRINTOUTS 37 15 3 NON STANDARD PRINTO...
Страница 4: ...eighing pan as this can cause damage to the measuring system of the instrument Be sure to avoid impact shock and overloading the balance in excess of the prescribed maximum measuring range max capacit...
Страница 5: ...be weighed use under pan weighing option which removes the weighed load from area influenced by the balance s magnet The hook for under pan weighing is installed in balance s base Keep all package ele...
Страница 6: ...juts slightly out of the hole 3 Install components following diagram below i Bottom insert ii Centering ring embossment side up iii Weighing pan Model VWR 203B2 VWR 403B2 VWR 503B2 Components Install...
Страница 7: ...ram below i Bottom Insert ii Rubber feet grounding foot can be in any location on the balance iii Weighing pan Model VWR 4002B2 VWR 5002B2 Components Installation 1 Install components following the di...
Страница 8: ...the power adapter data plate should be compatible to the power from the mains Plug the balance to the mains connect the power adapter to the socket next connect its connector to port located at the b...
Страница 9: ...working mode settings Press to select working mode F5 button of the computer keyboard Press to change measuring units PRINT ENTER button Press to send measurement to a printer or a computer PRINT Pres...
Страница 10: ...ificant slow to change 4 2 USER MENU Menu is divided into 9 basic function groups Each group has an individual name starting with a capital letter P P1 CALIBRATION P1 1 EXT CALIB external adjustment P...
Страница 11: ...play backlight level P6 4 STAND BY MODE backlight turn off time interval P6 5 AUTO SWITCH OFF display turn off time interval P6 6 DATE date settings P6 7 TIME time settings P6 8 DATE FORM date format...
Страница 12: ...ndicates mass equaling zero and symbols Net and On taking off the weighed load and its packaging from the weighing pan the display indicates sum of total tared mass with a minus sign The balance allow...
Страница 13: ...ion The set measuring unit will be in use from the moment of its activation until its change or switching the balance off and on Each pressing of the button results with change of the measuring unit O...
Страница 14: ...rt if the mass of the single part is determined with sufficient accuracy and that the following parts are equal in mass Deviations Percent Weighing Means of operation control of percent ratio of a sam...
Страница 15: ...profiles are selected and saved so that the weighings for respective requirements and conditions are optimized Profile settings apply to settings for specific working mode These are the following pro...
Страница 16: ...and value release parameters are default and cannot be modified It enables customizing the instrument and utilizing its properties depending on your needs and expectations or on specific requirements...
Страница 17: ...corrects the zero reading When Autozero is enabled it compares balance readings at declared time interval e g 1s if weighing pan is unloaded and display indication is close to zero If results vary le...
Страница 18: ...recommended to use UNSTABLE mode By default the parameter is set to STABLE option Procedure 6 5 WORKING MODE SETTINGS AUTOTARE Autotare is used for quick determination of net weight for loads with di...
Страница 19: ...the gross weight value stays within the range set in AUTO THRES parameter 6 6 WORKING MODE SETTINGS PRINT MODE Function designed to enable print mode setting it activates key Print mode options WHEN S...
Страница 20: ...esult is printed and recorded stable and unstable Automatic operation with interval starts at the moment of switching the function on and it lasts until it is switched off On switching the function of...
Страница 21: ...alance display with bar graph option on 500 g heavy load placed on a weighing pan means that 50 of max capacity has been used half filled bar graph bottom line It is possible to enable BARGRAPH option...
Страница 22: ...ABLE 2 These options can be freely assigned to any of the F keys For other modes there are more available options see further sections of this manual Functions for particular working modes Function Mo...
Страница 23: ...libration with an external weight value of which is saved in factory settings USER CALIB User calibration with an external weight Calibration with an external weight of any mass within balance range h...
Страница 24: ...t a calibration report is generated automatically and sent to the communication port The content of the report is declared in menu P5 1 CAL REPORT The instruction on how to declare settings for this o...
Страница 25: ...It is recommended to switch off the balance display by pressing button By pressing the button the balance is ready for operation and carrying out measurements 8 1 UNDER PAN WEIGHING In standard analyt...
Страница 26: ...arts Current quantity of parts must be within the 0 3 tolerance of the total value Measurement result has to be stabilised Procedure Place the container on the pan and tare its mass Press F button to...
Страница 27: ...confirm the declared quantity by pressing button only after the stability pictogram is displayed Otherwise the balance will not accept the measurement 9 2 SETTING REFERENCE MASS ENTERING MASS VALUE Pr...
Страница 28: ...ters the measured load value as a reference sample and enters DEVIATIONS mode displaying the value of 100 000 the bottom line displays reference mass value if such an option has been selected for INFO...
Страница 29: ...ify their temperature For liquid of specified density its value density is inserted from balance keyboard Density determination is carried out by weighing a sample first in the air top weighing pan of...
Страница 30: ...ication the program automatically calculates and displays the tested solid object density At the same time a report on the measurement is sent to a selected port of a printer An example report The rep...
Страница 31: ...rder to measure the density of liquid first determine mass of the sinker in the air Then measure mass of the same sinker in the tested liquid The result of liquid density determination is automaticall...
Страница 32: ...surement can be performed The balance operates with previously set parameter values liquid temperature thus shortening time needed for the exact measurement 13 ANIMAL WEIGHING Animal weighing is a wor...
Страница 33: ...ective to needs and expectations resulting from working environment 13 1 RUNNING THE PROCESS MANUALLY To start the process of weighing manually enter the mode settings select an AUTOSTART parameter an...
Страница 34: ...press button The program automatically returns to the main window of Animal Weighing mode 14 MISCELLANEOUS PARAMETERS You can set up parameters which influence balance operation These parameters are t...
Страница 35: ...c display deactivation functions as button Upon display deactivation the other subassemblies are powered and the balance turns to stand by mode NONE auto switch off not activated 0 5 1 2 3 5 time give...
Страница 36: ...arried out USER Option enables printing out the name of a logged in user PROJECT Option enables printing out the name of the project see parameter Project DATE Option enables printing out the date of...
Страница 37: ...t the value of VARIABLE 1 Header GLP printout Footer VARIABLE 2 Option enables printing out the value of VARIABLE 2 Header GLP printout Footer NET Option enables printing out net weight value in a bas...
Страница 38: ...e current unit N Current net mass in the basic unit G Current gross mass in the current unit T Current tare mass in the current unit D Current date M Current time I Balance number R Program number F N...
Страница 39: ...he character by one value up Deleting a character Inserting a character 15 4 VARIABLES Variable is defined as alphanumeric data which can be linked to printouts products or other information related t...
Страница 40: ...EVICES menu is comprised within Parameters menu It is accessed by pressing key The menu features list of devices that can cooperate with the balance 17 1 COMPUTER COMPUTER submenu allows the user to s...
Страница 41: ...on in order to modify the unit on a display Continuous transmission off NONE Procedure CAUTION Continuous transmission may be turned on off by means of a command sent from a computer go to COMMUNICATI...
Страница 42: ...ns of a given language respective baud rate obligatory for a given printer must be chosen see the printer settings Additionally code page of a sent printout must be accordant with a code page of a pri...
Страница 43: ...ernal device by pressing button located on the balance or by sending a control command from a computer 18 2 FORMAT OF DATA SENT ON PRESSING PRINT BUTTON CAUTION Unstable measurement printout is disabl...
Страница 44: ...command D Commands forming the communication protocol enable both obtaining data on balance status and influencing balance operation e g acquiring measurement results from the balance zeroing etc 19...
Страница 45: ...ised XX _ E CR LF time limit exceeded while waiting for stable measurement result time limit is balance characteristic parameter Where XX name of a sent command _ spaces Commands Overview Zero balance...
Страница 46: ...ood but not accessible at this moment MASS FRAME response mass value in a basic measuring unit Response format 1 2 3 4 5 6 7 15 16 17 18 19 20 21 S space stability marker space character mass space un...
Страница 47: ...20 21 S U I stability marker space character mass space unit CR LF An example S U I CR LF command sent from a computer S U I _ _ _ _ 5 8 2 3 7 _ k g _ CR LF command carried out immediate response mas...
Страница 48: ...recognised mass format incorrect Value release Format SS CR LF Response options SS_OK CR LF command understood and in progress Command s function is similar to function of PRINT button located on an o...
Страница 49: ...CR LF return accessible working modes Response OMI CR LF 2 CR LF 4 CR LF accessible working modes are given in return mode number OK CR LF command carried out Set working mode Command overview Command...
Страница 50: ...le Command US_mg CR LF set mg unit Response US_mg_OK CR LF mg set as a current unit Give current unit Command overview command returns current unit Format UG CR LF Response options UG_x_OK CR LF comma...
Страница 51: ...LF command understood response program version RV_I CR LF command understood but not accessible at this moment x program version in between inverted commas An example Command RV CR LF return program...
Страница 52: ...LF average filter set Set Value release Format ARS_n CR LF Response options ARS_OK CR LF command carried out ARS_E CR LF error in course of command execution no parameter or incorrect format ARS_I CR...
Страница 53: ...ettings are assigned to the working mode An example Command LDS_1 CR LF set last digit option to value always Response LDS_OK CR LF always value set 20 APPENDIX 20 1 DIMENSIONS B2 series with d 0 1mg...
Страница 54: ...may be applied if it does not contain any abrasive substances draft shield disassembly instruction is to be found further down this section 3 Using a dry flannel cloth clean disassembled components mi...
Страница 55: ...an a draft shield a bottom insert Clean the components when detached With this your balance mechanism is protected against accidental damage Draft shield and panes now can be properly cleaned All the...
Страница 56: ...ter Check the weighing pan is installed properly If unit was started without the pan in place turn off unit install pan and turn back on the unit FULL Measurement range exceeded Unload the weighing pa...
