background image

 

19 

parameter menu will be displayed again. It will now be possible to select another parameter 
or return to weighing mode by pressing the 

ON/OFF

 button

.

 

9.4  Autozero function 

Autozero is a correction from a possible deviation from zero. 
 
Different autozero levels can be selected. 
 
1.  Select the autozero parameter as described in chapter 10. 

The currently set autozero parameter will be shown on the display: 

 
 
 
 
 
 
 
 
 
 
2.  Select the desired autozero level.  By pressing the 

MENU

 or 

CAL

 button it will be possible to 

scroll through the various levels forward or backward; then confirm your choice with the 

PRINT

 button. 

 

 

 

*

 

locked in verified balances

 

 
3.  After having selected the desired autozero, the screen relative to the balance parameters 

menu will be displayed again. It will now be possible to select another parameter or return to 
weighing mode by pressing the 

ON/OFF

 button

.

 

 

9.5  Filter selection 

 
The balance can be adapted to different environmental conditions thanks to the selection of three 
different filters: 
 
1.  Select the filter parameter as described in paragraph 10. 

AUTOZERO MENU 

AUTOZERO LEVEL 

Autozero off 

Autozero off 

Autozero 1 

Light autozero 

Autozero 2* 

Average autozero 

Autozero 3* 

Heavy autozero 

Autozero 3E* 

Heavy full-scale autozero 

                             

Autozero 2 

Auto zero 

Summary of Contents for W3101A-120

Page 1: ...Operation Manual Analytical Balance Series Dx Models W3101A 120 W3100A 220 graphic dot matrix display Revision 12 17...

Page 2: ...IGHT UNITS 16 9 2 SERIAL OUTPUT SETUP 17 9 3 TRANSMISSION SPEED SELECTION 18 9 4 AUTOZERO FUNCTION 19 9 5 FILTER SELECTION 19 9 6 STABILITY FUNCTION 20 9 7 CONTRAST ADJUSTMENT 21 9 8 BACKLIGHT REGULAT...

Page 3: ...th reference weight 47 10 5 2 Mode with manual insertion of the reference weight 48 10 6 ANIMAL WEIGHING FUNCTION 49 10 7 MAXIMUM LOAD FUNCTION 50 10 8 GLP FUNCTION GOOD LABORATORY PRACTICES 50 11 RS2...

Page 4: ...ght if supplied from the carton and check for any visible damage to the instrument Do not install the balance in environments in which there are drafts strong temperature changes or vibrations Do not...

Page 5: ...o put the balance into stand by mode when not in use Calibrate the balance every time that it is moved to another location Periodically check the balance s calibration Do not drop objects of an excess...

Page 6: ...bly 4 Keyboard and display The weigh pan assembly consists of 2 pieces the pan support piece is first gently placed onto the weigh cell and then the weigh pan is placed gently onto the pan support Pan...

Page 7: ...mode H Upper threshold L Lower threshold DS Density measurement Ct ozt lb GN Dwt kg mg g Unit of measurement 5 Inputs outputs 5 1 Balance Rear and Underneath Figure 1 1 Weigh pan assembly 2 RS232 9 pi...

Page 8: ...ation motor only for models with internal calibration ATTENTION remove this screw by hand as soon as the balance is removed from its package 6 Weighing After connecting the balance to a power outlet a...

Page 9: ...he Accuris Analytical Balance carries out mass measurements using gravity g Differences in geographical regions and altitudes will affect the gravitational acceleration g The balance must therefore be...

Page 10: ...for weighing operations NOTE an error message will be displayed if there is any interference during the calibration process To interrupt the calibration process press the ON OFF button while the calib...

Page 11: ...he calibration has been carried out the value of the weight used will be displayed 3 Remove the calibration weight the balance is ready for weighing operations NOTE an error message will be displayed...

Page 12: ...ed by weighing b For the production of medicines in pharmacies as well as for analyses in the medical and pharmaceutical laboratory c For official purposes d For manufacturing final packages For any q...

Page 13: ...load balance with known test weight ca 1 3 of the max load and compare with displayed value The reverification deadline has been exceeded 8 Tare function example using a weighing container 1 The relat...

Page 14: ...s a tare value to be entered manually 1 Press and hold the TARE button with the weigh pan empty until the beeping stops and then release the button 2 Manual tare will be shown on the display 3 Now ins...

Page 15: ...essed or the instrument is disconnected from the power supply 9 Balance parameters setup menu 1 Press and hold the MENU button with the plate empty until the beeping stops and then release the button...

Page 16: ...weight units with which the balance will weigh can be selected 1 Set the weight units parameter as described in chapter 10 The currently set weight units will be shown on the display 2 Now by pressin...

Page 17: ...es can be selected 1 Select the serial output parameter as described in paragraph 10 The currently set transmission mode will be shown on the display 2 Now by pressing the MENU or CAL button it will b...

Page 18: ...scroll the different transmission speeds forward or backward then confirm the choice with the PRINT button 3 After having selected the desired transmission speed the screen relative to the balance TRA...

Page 19: ...levels forward or backward then confirm your choice with the PRINT button locked in verified balances 3 After having selected the desired autozero the screen relative to the balance parameters menu w...

Page 20: ...ing mode by pressing the ON OFF button 9 6 Stability function The stability symbol will appear on the display when the weight is stable within a defined interval 1 Select the stability parameter as de...

Page 21: ...to make the indication as visible as possible from different angles 1 Select the contrast adjustment parameter as described in paragraph 10 The currently set contrast value will be shown on the displa...

Page 22: ...ph 10 The currently set mode will be shown on the display 2 Select the desired modality By pressing the MENU or CAL button it will be possible to scroll through the various levels forward or backward...

Page 23: ...battery life 3 After having selected the desired mode the screen relative to the balance parameters menu will be displayed again It will now be possible to select another parameter or return to weighi...

Page 24: ...mber and the PRINT button to pass to the next date 4 After having regulated the date and time press and hold the PRINT button until the beeping stops and then release the button to save the settings 5...

Page 25: ...various levels forward or backward then confirm your choice with the PRINT button After having selected the desired language the screen relative to the balance parameters menu will be displayed again...

Page 26: ...bration Automatic calibration Technical calibration Locked for verified balances models 3 Press the PRINT button to confirm AUT CAL I CAL E CAL To confirm TEC CAL keep the PRINT button pressed until t...

Page 27: ...e plate 1 Press the CAL button with the plate empty The display will show the message CAL and the balance s calibration will be carried out automatically 2 At the end of the calibration the balance wi...

Page 28: ...necessary 1 After having selected the TEC CAL calibration mode press the CAL button with the plate empty The word CAL will be displayed 2 When the value of the calibration weight begins to flash load...

Page 29: ...mode Correction 1 Select the calibration data parameter as described in paragraph 10 The data relative to the last calibration carried out will be shown on the display 2 Press the PRINT button to pri...

Page 30: ...election 5 Press the ON OFF button to exit from the menu or select the return function and press the PRINT button 10 1 Piece counting function The piece counting program allows you to carry out a tota...

Page 31: ...y It will now be possible to proceed with the counting of the pieces If the pieces to be counted have a weight that is too little with respect to the balance s resolution an error message will be disp...

Page 32: ...the average unit weight This function allows the user to enter when known the average unit weight of the piece thus avoiding the sampling of the pieces 1 Select the piece counting program as described...

Page 33: ...s sufficient 0 will be shown on the display it is now possible to proceed with the counting loading the pieces on the plate 7 To exit from the piece counting function press the ON OFF button It is als...

Page 34: ...the plate and wait for the beep 2 This procedure can now be repeated up to a maximum of 255 pieces or you can proceed with the normal counting of the pieces This mechanism allows for a more accurate e...

Page 35: ...6 It will now ask you to weigh the solid in the air 7 Carry out a tare if necessary and load the solid Wait for the stability symbol to appear and press the PRINT button to acquire the value The word...

Page 36: ...rom the density function or the MENU button to carry out the density measurement for another solid 10 2 2 Liquid density determination 1 Select the density program as described in paragraph 10 The fol...

Page 37: ...e value using the optional alphanumeric keypad 5 Once the desired value has been set press the PRINT button 6 It will now ask you to weigh the dipstick in the air 7 Carry out a tare if necessary and l...

Page 38: ...of the liquid will now be displayed If the balance is equipped with a printer it will be possible to print the density value by pressing the PRINT button 10 The following string will be shown on the...

Page 39: ...the first ingredient 4 Then press the PRINT button to confirm 5 Carry out a tare operation if necessary and load the second ingredient Formulation Manual 01 06 10 13 15 24 Formula 00 Formulation 01 06...

Page 40: ...y out a new formulation press the ON OFF button once To exit from the program and return to the weighing screen press the ON OFF button two consecutive times 10 3 2 Formula saving 1 Select the formula...

Page 41: ...t it can be a series of numbers or letters max 11 characters using the MENU or CAL buttons to scroll through the available characters 6 Then press the PRINT button to confirm and save the value 7 Now...

Page 42: ...s described in paragraph 10 The following screen will be shown on the display 2 Choose the name of the formula previously saved using the CAL and MENU keys to scroll through the various formulas inser...

Page 43: ...ng operation when the value of the component is approaching the threshold of the acceptable value the dosing bar will automatically zoom 8 Then press the PRINT button to pass to the next component 9 I...

Page 44: ...nter The display will show the following screen 12 To exit from the screen and carry out a new formulation press the ON OFF button once To exit from the program and return to the weighing screen press...

Page 45: ...se prolonged pressure on the TARE button allows you to delete the entered value 3 Then press the PRINT button to confirm The entered value will remain in memory until the balance is turned off 4 The f...

Page 46: ...under the value of the lower limit set the symbol L is visualized on display while if the value is over the upper limit set the symbol H is visualized on display 10 4 2 With only the lower limit set W...

Page 47: ...re will be carried out and you will be asked to load the reference weight on the plate 4 Load the reference weight on the plate and then press the PRINT button the word Wait will be shown Once the wei...

Page 48: ...tered The value entered will remain in the memory until the balance is turned off It is also possible to enter the value using the optional alphanumeric keypad 5 After having inserted the desired refe...

Page 49: ...tton 3 Load the sample to be weighed on the plate and press the PRINT button the value of the current weight and the set sampling countdown time will be displayed 4 Once acquired the weight will be sh...

Page 50: ...ght can now be detected 3 Press the TARE button to carry out another measurement 4 Press the ON OFF button to exit from the maximum load function 10 8 GLP function Good Laboratory Practices The GLP fu...

Page 51: ...18 characters using the MENU and CAL buttons to scroll through all of the available characters Note It is also possible to set the value by using the optional alphanumeric keypad 4 Confirm by pressing...

Page 52: ...n confirm all of the data entered by pressing and holding the PRINT button until the beeping stops 7 The balance will automatically return to the weighing screen 2 Sec Glp 01 06 10 13 15 24 Project ID...

Page 53: ...00 e 9600 baud The character format is of 8 bit preceded by one bit of start and followed by a bit of stop Parity is not considered 11 2 Map of connector 11 3 Connecton of the balance to the optional...

Page 54: ...de with GLP must be set from the menu as explained in the paragraph 9 2 In all the modes it is possible to execute all the balance s functions directly from the computer s keyboard transmitting to bal...

Page 55: ...formats are shown Weight mode valid for both continuous and on demand transmission 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Sign weight measure unit Stability CR LF 11 4 2 On demand transmission mode When...

Page 56: ...thresholds Value over threshold 03 04 11 11 02 19 03 04 11 11 01 50 03 04 11 11 01 50 Lim 1 10 00 g Lim 1 10 00 g Lim 1 10 00 g Lim 2 100 00 g Lim 2 100 00 g Lim 2 100 00 g Weight 0 01 g Weight 31 08...

Page 57: ...generic serial printer from the menu set the generic printing mode as described in the paragraph 9 2 and manage the busy signal Print of weight data together with GLP indications with generic serial...

Page 58: ...ing or TLP 50 printer Weighing mode 03 04 11 10 13 44 Weight 0 00 g Piece counting 03 04 11 10 49 28 Pcs 10 Weight 100 02 g MPW 10 00 g Density 03 04 11 10 51 15 d 1 4504 g cm3 Formulation 03 04 11 10...

Page 59: ...TEST OK TEST KO Percentual weight 03 04 11 11 58 39 Perc 100 0 Weight 18 69 g Refer 18 69 g Animal weighing 03 04 11 12 01 06 Time 20 Sec M 56 53 g Maximum load 03 04 11 12 01 57 Max 2 76 g 11 5 2 Ge...

Page 60: ...60 TEST Weight 18 71 g Signature G L P parameters Weight data...

Page 61: ...o print because of unstable weight Protect the balance from environmental disturbance ERR06 Weight is not stable in density mode Protect the balance from environmental disturbance ERR07 Weight is not...

Page 62: ...strument cannot be guaranteed if the balance power supply is clearly damaged the balance power supply is not functioning balance power supply is stored for long time in unsuitable environmental condit...

Page 63: ...te that this equipment must not be disposed of with unsorted waste It s your responsibility to correctly dispose of your equipment at lifecycle end by handing it over to an authorized facility for sep...

Page 64: ...64...

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