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Vetek APS 120/C/2/CT User Manual Download Page 1

 

User manual no.

LMI-16-09/05/12/A

 

 

 

PRECISION 

BALANCE                

AS SERIES
PRECISION 

BALANCE

AS/CT SERIES

M A N U F A C T U R E R

O F   E L E C T R O N I C   W E I G H I N G  I N S T R U M E N T S

 

RADWAG 26  –  600 Radom, Bracka 28, POLAND

 

phone +48 48 38 48 800, fax. +48 48 385 00 10

 

e-mail: 

[email protected] 

www.radwag.com 

Box 79,  S-76040 Väddö,  Sweden, Tel +46176-208920, [email protected], www.vetek.com

Summary of Contents for APS 120/C/2/CT

Page 1: ... SERIES M A N U F A C T U R E R O F E L E C T R O N I C W E I G H I N G I N S T R U M E N T S RADWAG 26 600 Radom Bracka 28 POLAND phone 48 48 38 48 800 fax 48 48 385 00 10 e mail export radwag com www radwag com Box 79 S 76040 Väddö Sweden Tel 46176 208920 info vetek com www vetek com ...

Page 2: ... 2 MAY 2012 ...

Page 3: ...8 2 Return to weighing mode 18 9 WEIGHING 20 9 1 Selection of basic measuring unit 21 9 2 Temporary measuring unit 22 9 3 Setting accessibility of balance working modes 23 9 3 1 Selection of working modes available for a user 23 9 3 2 Means of selecting one of available working modes 25 10 BALANCE MAIN PARAMETERS 27 10 1 Setting level of filtering 27 10 2 Value release 28 10 3 Autozero function 29...

Page 4: ...nuous transmission 68 15 2 1 Continuous transmission in basic measuring unit 68 15 2 2 Continuous transmission in current measuring unit 69 15 3 Setting operation mode for RS 232 interface 70 15 4 Determination of data type sent via RS 232 output 71 15 5 Minimum mass required for activating automatic printout 72 16 COOPERATION WITH A PRINTER OR A COMPUTER 73 16 1 Cross section through connecting c...

Page 5: ...35 C Working temperature 10 40 C Power supply 13 5 16V DC 1 1 A Adjustment internal automatic Display LCD with backlight non verified balance APS 120 C 2 CT APS 220 C 2 CT APS 320 C 2 CT Max capacity 120g 600ct 220g 1100ct 320g 1600ct Minimum weight 0 02g 0 1ct 0 02g 0 1ct 0 02g 0 1ct Readability 0 0002 0 001ct 0 0002g 0 001ct 0 0002g 0 001ct Tare range 120g 600ct 220g 1100ct 320g 1600ct Repeatabi...

Page 6: ... 6 Dimensions Balance series AS 60 C 2 AS 60 220 C 2 AS 110 C 2 AS 160 C 2 AS 220 C 2 AS 310 C 2 Balance series APS 120 C 2 CT APS 220 C 2 CT APS 320 C 2 CT ...

Page 7: ... Do not place any magnetic materials on the weighing pan as this can cause damage of 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 capacity minus any possible tare weight that has been applied Never use the balance in an environment endangered by an explosion This balance has not been adjuste...

Page 8: ...f training This balance should only be operated and maintained by personnel who is trained and experienced in using this type of balances 3 TRANSPORT AND STORAGE 3 1 Delivery check Please check the packaging immediately upon delivery and the device during unpacking for any visible signs of external damage 3 2 Packaging Please retain all parts of the original packaging should the balance be transpo...

Page 9: ...ocated on a stable wall console desk or a stable working table which is not affected by vibrations and distant from heat sources Take special safety measures when weighing magnetic objects as part of the balance is a strong magnet Should such loads be weighed use under hook weighing option which removes the weighed load from area influenced by the balance s magnet For assembling the hook for under...

Page 10: ...mm open side doors of the weighing chamber inside the weighing chamber place lower shield of the weighing chamber 1 put centering ring 2 framing facing downwards onto the weighing chamber s shield in the center of centering ring assembly the weighing pan 3 assembly anti draft shield 4 on the centering ring and weighing chamber s shield close side doors of the weighing chamber plug the balance to m...

Page 11: ...mbly the weighing pan 3 assembly anti draft shield 4 inside the weighing chamber close side doors of the weighing chamber pin of power adaptor should be connected to socket in the back of balance housing 4 3 Leveling Before plugging to mains level the device using two adjusting feet located at the back of balance s housing Turn the adjusting feet in a way that the air bubble of the level is placed...

Page 12: ...the balance to mains the plugging socket is located at the back of balance s housing Balance display will light and show name and number of software after which balance will display 0 0000g If indication is other than zero please press ESC TARE key 4 7 Connecting peripheral devices The balance must be unplugged from the mains before connecting or disconnecting any peripheral devices printer PC com...

Page 13: ...urement result averaging AuE measurement result value release ConF weighing mode rAPd display backlight bl beep signal balance reacion on pressing a function key bEEP functions related to use of RS 232 interface setting baud rate bAud Continuous data transmission in basic measuring unit CntA Continuous data transmission in current measuring unit Cntb Automatic operation mode rEPL Balance As series...

Page 14: ...the display are powered and balance is in stand by mode F key function key MODE key for selecting working mode UNITS key changes measuring units PRINT ENTER key sends current display status to a peripheral device PRINT or accepts selected value of a parameter or function ENTER ESC TARA key zeroing display indication ...

Page 15: ...ins For balances that were stored in much lower temperatures before plugging to mains e g during winter period thermal stabilization should last approximately 4 hours Correct operation of a balance is possible within temperature range specified in the technical parameters see point 1 If the balance is placed in area which ambient temperature is out of temperature range specified in the technical d...

Page 16: ...ng parameter value by one value upwards UNITS key Selecting group of parameters for activating On pressing the key the display indicates the first parameter in a selected group F key Exit to previous menu level e g to the main menu ON OFF key Abandon parameter changes Esc TARE key Accept confirm introduced changes PRINT ENTER key Name of function groups and their content P1 CAL Adjustment Calibrat...

Page 17: ...Data transmission RS 232 P4 1 bAud 2400 4800 9600 19200 baud rate P4 2 CntA YES no continuous printout in basic measuring unit P4 3 Cntb YES no continuous printout in current measuring unit P4 4 rEPL YES no manual or automatic operation P4 5 PStb YES no measurement result printout stable or unstable P4 6 Lo 000 0000 min mass threshold for automatic operation P5 Unit Measuring units P5 1 StUn g mg ...

Page 18: ...ions P7 1 bL On Aut OFF display backlight P7 2 bEEP On OFF beep sound on pressing keys P7 3 PrnS printout of balance parameters 8 2 Return to weighing mode CAUTION Changes introduced in balance memory will be permanently saved on return weighing with procedure of saving changes Press ESC TARE key for several times until the display indicates command SAvE Then select one of below option PRINT ENTER...

Page 19: ... 19 ...

Page 20: ... mom gn place weighed object on balance s weighing pan and read result only on stabilization of measurement result mass indication of a load placed on balance s weighing pan can be tarred for multiple times by pressing ESC TARA key pay attention not to exceed maximal capacity of a balance by applying multiple tare function During times between carrying out the following measurement series do not u...

Page 21: ...it Function is used to set the measuring unit which will be displayed on balance switching on In order to set the measuring unit go to submenu P5 Units press UNITS key for a few times The display indicates available measuring units in turns ...

Page 22: ...ION On switching on the balance will start operating with set basic measuring unit 9 2 Temporary measuring unit Function enables selecting a measuring unit which will be indicated next to mass readout during weighing process Set measuring unit will be in use from the moment of its activation until its change or switching off and on the balance Each pressing the Units key causes change of the measu...

Page 23: ...ing modes which are accessible on pressing of MODE key Enter group of parameters P6 Func 9 3 1 Selection of working modes available for a user Function enables selecting by pressing MODE key which working modes are accessible during weighing function if all then select ALL and if only one from all available described below ...

Page 24: ...oes back to displaying submenu name P6 1 FFun If a mode other than ALL is selected procedure of returning to weighing mode differs from other ones If for instance PcS mode is selected follow procedure in accordance with point 14 1 point to return to weighing ...

Page 25: ... balance returns to weighing 9 3 2 Means of selecting one of available working modes Balance user can enable or disable modes which are not used in the weighing process This provides quicker access to modes used on a balance ...

Page 26: ...S mode available no mode disabled On making a choice press PRINT key The balance returns to displaying submenu name Go back to weighing mode with procedure of saving changes see point 7 1 2 return to weighing ...

Page 27: ...hese parameters are set in group P3 rEAd 10 1 Setting level of filtering using UNITS key to select desired value of filter settings StAnd normal normal operation conditions Slouu slow harsh operation conditions vibrations etc Fast fast good operation conditions no vibrations etc Return to weighing mode with procedure of saving changes see point 8 2 return to weighing CAUTION The higher filtering s...

Page 28: ... present conditions it is necessary to determine the value release parameter as FAST_rEL Fast or rEL Depending on selected option weighing time will be shorter or longer Fast_rEL fast reliable Fast fast rEL reliable Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 29: ...red AUTOZERO range e g one division balance will zero automatically display marker of stable measurement result and precise zero marker If AUTOZERO function is enabled then each weighing process starts from precise zero point There are however some cases when this function can be a disturbing factor of measuring process for instance very slow placing of load on the weighing pan e g load pouring in...

Page 30: ... on the display Function enables blanking of the last displayed digit ALuuAYS always nEuEr never uu_StAb when measurement result is stabilized Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 31: ...evious setting of this parameter The value of AuE parameter is automatically set to Standard independently on previous setting of this parameter The value of Stabilization time parameter is automatically decreased factory setting is decreased by 4 Such parameter setting speeds up thetime of stability pictogram appearance on the display The values of AuE and CONF parameters are editable if mode rAP...

Page 32: ...esult display backlight OFF backlight disabled On backlight enabled Aut backlight disabled automatically if weighing result does not change within10 seconds Return to weighing mode with procedure of saving changes see point 8 2 return to weighing CAUTION Balance software has implemented option of automatic backlight switch off bl Aut In case of this setting the backlight is switched automatically ...

Page 33: ...Return to weighing mode with procedure of saving changes see point 8 2 return to weighing 11 3 Printout of all balance parameters through RS 232 port After pressing F key balance parameters are sent to a peripheral device connected to balance s RS 232 port Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 34: ...anges more than 0 8 C Types of adjustment Internal automatic adjustment triggered by temperature change triggered by elapsing time Manual internal adjustment initiated from balance s keyboard Adjustment with external weight with declared mass which cannot be modified CAUTION In case of verified balances with internal automatic adjustment system only the automatic internal adjustment and manual int...

Page 35: ...unted within which weighing procedure can be completed as the 5 minutes time elapses balance display indicates message CAL_30 and starts counting down from 30 29 28 to 0 indicated value is the counter balance user has 30 seconds to make a decision in order to start adjustment do not take any actions in order to complete weighing procedure press ESC TARE key If pressed balance returns to weighing p...

Page 36: ... next adjustment is automatically initiated if temperature changes more than 0 8 C from last saved temperature in case of balance AS series adjustment triggered by elapsing time It is possible to declare time intervals which are a criteria for balance adjustment Accessible settings are adjustment after 1 2 3 4 5 6 7 8 9 10 11 12 hours since last carried out adjustment procedure CAUTION Declaring t...

Page 37: ...ng pan If weighing pan is loaded with relativaly small mass up to 4 of balance max capacity than adjustment process will be carried out automatically but measuring results may differ by the amount that was present on balance weighing pan P1 2 ECAL External adjustment with an external weight Adjustment with external weight which value is saved in factory menu of balance function unavailable in veri...

Page 38: ...f automatic internal adjustment nonE none of factors will cause start of adjustment tEmP adjustment triggered by change of temperature timE adjustment triggered by time interval set in parameter P1 5 CALt both adjustment triggered by time and temperature ...

Page 39: ...rval after which automatic adjustment process is initiated P1 6 CALr printout of adjustment report Printout activated on completion of automatic adjustment procedure no report printout disabled YES report printout enabled Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 40: ... memory This process is automatic and its result is shown on the display if a balance is connected to a computer or a printer through RS 232 socket data on adjustment test is printout Press ESC TARE key to return to previous display Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 41: ...h any load On completion of adjustment process balance saves its result in memory and returns to weighing mode CAUTION Press ESC Tare key to abort adjustment process If during adjustment process weighing pan of a balance is loaded than balance display will show order informing on error occurrence Adjustment process will be stopped As weighing pan is unloaded the adjustment process will continue an...

Page 42: ...g pan should be empty When weighing pan is unloaded press PRINT key The balance determines mass of empty pan Place an external adjustment weight with mass determined on balance s display and press PRINT key On completing adjustment process the balance returns to submenuP1 2 ECAL Return to weighing mode with procedure of saving changes see point 8 2 return to weighing If a balance is verified then ...

Page 43: ... set for YES then a report is generated and sent automatically Content of report from adjustment process depends on settings of GLP parameters Any option in the GLP submenu which attribute is YES is included in a report from adjustment process P2 GLP Good Laboratory Practice P2 1 uSr P2 2 PrJ P2 3 Ptin YES P2 4 PdAt YES P2 5 PuSr YES P2 6 PPrJ YES P2 7 PId YES P2 8 PFr YES Apart from information s...

Page 44: ...t and printout activated after a measurement P2 GLP P2 1 USr P2 2 PrJ P2 3 Ptin YES P2 4 PdAt YES P2 5 PUSr YES P2 6 PPrJ YES P2 7 PId YES P2 8 PFr YES P2 1 USr The parameter enables determining name of a operator who works with the balance User name contains maximally 8 alphanumeric characters The name is inserted using F MODE UNITS on balance s keyboard and PRINT key ...

Page 45: ...low form OP1_WILK operator 1 WILK An instance of a user name inserted to a balance using small letters takes below form op1_wilk operator 1 wilk P2 2 PrJ The parameter enables determining name of a project e g related to a specific type of weighing process An instance of project name inserted to a balance using capital letters takes below form PRRADWAG ...

Page 46: ...rmining presence of user name on a printout P2 6 PPrJ Option determining presence of project name on a printout P2 7 PId Option determining presence of balance factory number on a printout P2 8 PFr Option enabling printing frames on a printout For above parameters please select one of two available settings no variable absent on a printout YES variable present on a printout Return to weighing mode...

Page 47: ...kweighing HiLo Percent setup with reference mass determined by weighing PrcA Percent setup with reference mass determined by a user PrcB Density determination of solids d_Co Density determination of liquid d_Li Pipette calibration PiPEt Working mode FiLL FiLL Press MODE key ...

Page 48: ...xt available mode The means of setting a working mode is described in further section of this manual 14 1 Parts counting of the same mass Balance in its standard version is equipped with an option for counting parts and small objects of the same unit mass Parts counting mode does not cooperate with other working modes Enable PcS mode ...

Page 49: ... 49 Press UNITS key to set sample quantity 10 20 50 or FrEE ...

Page 50: ... 50 in order to select one of the options e g 20 pcs press PRINT key and proceed as shown on below figure ...

Page 51: ...altered and press UNITS key to change digit value Accept inserted value by pressing PRINT key Display indicates a command LoAd load the weighing pan with as many details as inserted while determining sample quantity Press PRINT key balance indicates sample s quantity pcs pictogram is visible on the display add remaining parts the display indicates their total quantity ...

Page 52: ...ity and before accepting it it is necessary to wait until stable measurement pictogram is displayed Only if visible on balance s display it is allowed to accept the declared quantity of parts by pressing PRINT key Otherwise balance will not accept the measurement ...

Page 53: ... 53 14 2 Checkweighing HiLo with reference to set standard Enter the checkweighing mode During setting limit values the following relations occur ...

Page 54: ...SET LOW LIMIT LOW THRESHOLD F digit selection UNITS set digit value PRINT accept inserted digit value SET HIGH LIMIT HIGH THRESHOLD F digit selection UNITS set digit value PRINT accept inserted digit value ...

Page 55: ... 55 CAUTION If by mistake the value of low threshold is set higher than high threshold balance will indicate error message and return to weighing Return to weighing ...

Page 56: ...reference mass Mass of a reference load can be determined by its weighing PercA or entered to balance memory by a user PercB 14 3 1 Reference mass determined by weighing Enter PrcA mode on balance weighing pan place a load which mass will be accepted as the reference press PRINT to accept this working mode ...

Page 57: ...play will not indicate mass of weighed load but deviation of mass placed on the pan in relation to the reference in 14 3 2 Reference mass set in balance memory by a user Enter PrcB mode Display will indicate as above Using function keys F Select a digit Units choose digit value ...

Page 58: ...insert it to balance memory and accept it by pressing PRINT key display will indicate 0 00 From now on the display will not indicate mass of weighed load but deviation of mass placed on the pan in relation to the reference in Return to weighing ...

Page 59: ... reading interval Mode activation is signaled by a black triangle pictogram visible on display s right hand side and above the measuring unit Working mode FiLL is set to YES as default thus it is accessible in the working modes The mode can be disabled from the working modes by setting it to NO To disable FiLL mode enter menu of available modes see point 9 3 2 of this user manual Enabling FiLL mod...

Page 60: ...g density of solids and liquids In order to assemble the density kit on the balance remove the weighing pan and anti draft shield from the balance In the place of the weighing pan assemble the weighing pan with stand 1 and place beaker s basis 2 on it Components of the density kit 1 Beaker support 8 Sinker s hook 2 Weighing pan with stand 9 Top weighing pan 3 Sinker 10 Flexible connector of weighi...

Page 61: ... value density is inserted from balance keyboard Density determination is carried out by weighing a sample first in the air top weighing pan 9 of the density kit and then weighing the same sample in liquid on the bottom weighing pan 11 of the density kit As the sample is weighed in liquid the result of density determination is automatically indicated on balance display 14 5 2 Density determination...

Page 62: ...ed pipette 14 6 1 Data input In order to start pipettes calibration mode and input required parameters for calibration process follow the instruction from below figures Set n set quantity of repetitions performed during pipettes calibration 5 15 Set t set temperature in which pipettes calibration is conducted 0 4 25 5 C Set P set pressure of a weighing room in which pipettes calibration is conduct...

Page 63: ...rted by laboratory assistant V1 nominal volume of a pipette inserted by laboratory assistant 14 6 2 First measuring series Insert data required for pipettes calibration process and press ESC TARE key when balance displays stability pictogram balance will start the first series of measurements P1 Vo Quantity of repetitions is conditioned by previously declared value of Set n parameter ...

Page 64: ... 64 14 6 3 Second measuring series The second series of measurements is a continuation of first one and procedure is conducted as in case of the first one ...

Page 65: ...not change As the third series is completed balance will display a message on completion of calibration process test End Using RS 232 output balance will send a report from pipettes calibration to a printer or computer connected to the output In order to finish the process of pipettes calibration press ESC TARE key ...

Page 66: ...rom pipettes calibration Vmin V1 2 Vmax respectively initial volume 50 of pipette volume and nominal pipette volume Va arithmetic mean from measurement series Es value of systematic error Sr value of repeatability standard deviation ...

Page 67: ...f transmission P4 2 CntA continuous data transmission in basic measuring unit P4 3 CntB continuous data transmission in current measuring unit P4 4 rEPl setting operation mode for RS 232 output manual automatic P4 5 PStb stable unstable measurement for RS 232 transmission P4 6 Lo minimal mass required for activation of automatic printout 15 1 Baud rate ...

Page 68: ...th procedure of saving changes see point 8 2 return to weighing 15 2 Continuous transmission 15 2 1 Continuous transmission in basic measuring unit no continuous transmission disabled YES continuous transmission enabled Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 69: ... Continuous transmission in current measuring unit no continuous transmission disabled YES continuous transmission enabled Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 70: ...omatic operation takes place according to the following scheme press Esc TARE key to zero the balance display will indicate pictograms of stable measurement and precise zero place the load balance will send first stable measurement through the RS232 interface remove the weighed load from the weighing pan next measurement can be conducted if a weighing result equals 50 reading units from zero it is...

Page 71: ...ion of data type sent via RS 232 output no sending stable or temporary unstable weighing result YES sending stable weighing result Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 72: ... While in automatic operation data will not be transmitted through RS 232 to a connected computer or printer until mass reading is above Lo value Press F key to select a digit which should be changed and press UNITS key to change value of selected digit Return to weighing mode with procedure of saving changes see point 8 2 return to weighing ...

Page 73: ... value indicated on balance display can be sent through RS 232 output to a peripheral device in one of four accessible ways manually on pressing PRINT key automatically on stabilization of weighing result continuously on activation of a function or sending a command on command sent from a peripheral device see additional functions Value indicated on balance s display can be sent through RS232 outp...

Page 74: ... 74 16 1 Cross section through connecting conductors BALANCE COMPUTER 2 RxD 3 TxD 3 TxD 2 RxD 4 DTR 6 DSR 5 GND 5 GND 6 DSR 6 DTR 7 RTS 8 CTS 8 CTS 7 RTS ...

Page 75: ...ssible to carry out statistics from completed measurements An instance of a printout including statistics from series of measurement 1 9 02 15 7 0016 g 2 9 02 39 5 0152 g 3 9 02 58 12 0171 g 4 9 03 15 9 9937 g 5 9 03 34 12 0169 g 6 9 03 48 22 0111 g Date 13 09 2001 Time 9 04 n 6 batch quantity sum x 68 0556 g total mass of samples x 11 34260 g average value s 5 92328 g standard deviation srel 52 2...

Page 76: ... on sign space for positive values or for negative values mass 9 marks alignment to the right unit 3 marks alignment to the left 16 4 2 Format of data sending as response to commands generated from a computer On receipt of a command balance responses with XX_A CR LF command understood in progress XX_I CR LF command understood but currently not available XX _ CR LF command understood but max range ...

Page 77: ...unit CR LF Command 1 3 characters stability marker space if stable if unstable if there is an error of range exceeding on v if there is an error of range exceeding on sign space for positive values or for negative values mass 9 marks alignment to the right unit 3 marks alignment to the left ...

Page 78: ...spension place for hook visible in the hole the suspension is installed permanently to balance mechanism In the hole install the hook for under hook weighing the hook is standard equipment of a balance Weigh loads using under hook option As under hook weighing is finished close the hole in balance basis with plastic hole plug CAUTION The suspension for hook must not be turned twisted or manipulate...

Page 79: ...hen stable Function IMMEDIATELY SEND WEIGHING RESULT IN CURRENT MEASURING UNIT Command SUI CR LF send result in current unit now do not wait for stable reading Function CONTINUOUS TRANSMISSION IN BASIC MEASURING UNIT Command C1 CR LF start continuous transmission in basic unit Function END OF CONTINUOUS TRANSMISSION IN BASIC MEASURING UNIT Command C0 CR LF finish continuous transmission in basic u...

Page 80: ...D converter 0 A D 0 Er3 FuL1 values from A D converter maximal converter range A D 0 Er4 FuL2 maximal capacity of the balance exceeded over load Er5 rout mass value out of range during adjustment determining reference for sample quantity and percent setup etc Er7 tout timeout error for zeroing and tarring Er8 outr enter value from keyboard level out of range setting thresholds limits values Er9 Lo...

Page 81: ...uring density determination of substances Racks are also used for measuring absorptiveness of substances e g foamed polystyrene The rack is made of mild steel Rack height is 330mm 20 3 Density determination kit for solids and liquids It is applicable with balance with resolution at least 1 mg Designed for density determination of solids and liquids The procedure is fully automatic i e the user onl...

Page 82: ...ecords RAD KEY 2000 implements a set of commands for controlling a balance e g tarring start of continuous transmission cyclic commands set to a balance REC FS 2000 application for control of formulas It enables creation of a formula declare tolerance limits for each ingredient and measure mass of each ingredient of a formula Number of instruction LMI 16 09 05 12 A ...

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