Page 3 - CONTENTS
1 CONTENTS 1. INTRODUCTION...............................................................................................................................4 1-1 Features .......................................................................................................................................
Page 7 - Windows is a registered trademark of Microsoft Corporation.; Compliance
5 Clock and Calendar Function, adding the time and date to the output data. GLP/GMP Output, using the RS-232C serial interface. Reference Sheet, provided for a quick reference to the balance operation. Windows Communication Tools (WinCT), allows easy communication with a Windows-based personal compu...
Page 8 - UNPACKING THE BALANCE; Stainless steel breeze break; Rear of the display unit; Weighing
6 2. UNPACKING THE BALANCE 2-1 Unpacking The balance is a precision instrument. Unpack the balance carefully. Keep the packing material to be used for transporting the balance in the future. See the illustrations to confirm that everything is contained. Provided for the AD-4212B series balance and t...
Page 9 - Accessories
7 Notes About how to attach the mounting fixtures, refer to “26. ATTACHING THE MOUNTING FIXTURES” on page 91. Please confirm that the AC adapter type is correct for your local voltage and receptacle type. Calibration weight OIML, Class E2 or equivalent Mounting fixture (2 pcs.) Windows communication...
Page 10 - -2 Installing the Balance; Caution; How to install the breeze break
8 2-2 Installing the Balance Caution The weighing unit and the display unit were adjusted as a unit. Therefore, make sure that the weighing unit and the display unit have the same serial number. The serial number is printed on the rear of the weighing unit and the display unit. The connection cable ...
Page 11 - How to disconnect the cable from the weighing unit; Slide the connector sleeve
9 How to disconnect the cable from the weighing unit Slide the connector sleeve in the direction of the arrow to unlock and gently pull the connector out. 4. Adjust the leveling feet to level the weighing unit. Confirm it using the bubble spirit level. 5. Confirm that the adapter type is correct for...
Page 13 - -2 When Building into a System
11 3-2 When Building into a System The AD-4212A/B is a precision balance. When it is built into a system and used, errors such as unstable weight values may occur due to static electricity, vibration and materials used for the devices near the balance. When using the balance that is built into a sys...
Page 16 - DISPLAY SYMBOLS AND KEY OPERATION; Key operation
14 4. DISPLAY SYMBOLS AND KEY OPERATION Key operation Key operation affects how the balance functions. The basic key operations are: “Press and release the key immediately” or “Press the key” = normal key operation during measurement “Press and hold the key” Display symbols Each key, when pressed or...
Page 19 - -2 Changing the Unit; Displays the units
17 AD-4212B-102 AD-4212B-201 AD-4212B-301 Unit Capacity Minimum display Capacity Minimum display Capacity Minimum display Gram 110 0.00001 210 0.0001 310 0.0001 Milligram 110000 0.01 210000 0.1 310000 0.1 Ounce (Avoir) 3.88 0.000001 7.40 0.00001 10.93 0.00001 Troy Ounce 3.53 0.000001 6.75 0.00001 9....
Page 20 - Remove the
18 6. WEIGHING 6-1 Basic Operation (Gram Mode) 1 Plug in the AC adapter. 2 Press the ON:OFF key to display the weighing mode. (The decimal point position depends on the balance model.) Notes The auto display-ON function is available to display the weighing mode without the key operation when the AC ...
Page 21 - -2 Smart Range Function; Precision range/standard range value
19 6-2 Smart Range Function The AD-4212B-101 is equipped with two ranges. The precision range has a higher resolution. The standard range has normal resolution. The range switches automatically, depending on the value displayed. Pressing the RE-ZERO key allows weighing in the precision range, regard...
Page 22 - CHANGING THE WEIGHING SPEED; Operation
20 7. CHANGING THE WEIGHING SPEED The weighing speed can be selected from the following three rates to minimize the influence on weighing that is caused by drafts and/or vibration at the place where the balance is installed. Indicator Parameter Speed Stability FAST Cond 0 MID. Cond 1 SLOW Cond 2 Fas...
Page 23 - Caution on using an external calibration weight
21 8. CALIBRATION Calibration Calibration using the calibration weight Calibration test To check the weighing accuracy, using the calibration weight, and output the result. (Calibration test does not perform calibration.) Caution Calibration adjusts the balance for accurate weighing. Besides periodi...
Page 24 - Note
22 8-1 Calibration This function calibrates the balance using the calibration weight. (Display example: AD-4212B-102) Operation 1 Plug in the AC adapter and warm up the balance with nothing on the pan. • AD-4212A series balance: 30 minutes or more • AD-4212B series balance: one hour or more For the ...
Page 25 - From previous page
23 5 Confirm that there is nothing on the pan and press the PRINT key. The balance measures the zero point. Do not allow vibration or drafts to affect the balance. The balance displays the calibration weight value. 6 Place a calibration weight, of the weight value displayed, on the pan and press the...
Page 26 - -2 Calibration Test
24 8-2 Calibration Test This function tests the balance weighing accuracy using the calibration weight and outputs the result. This is available only when the “GLP output ( info )” parameter is set to “ 1 ” or “ 2 ”. (Calibration test does not perform calibration. Display example: AD-4212B-102) Oper...
Page 27 - Calibration
25 5 Confirm that there is nothing on the pan and press the PRINT key. The balance measures the zero point and displays the measured value. Do not allow vibration or drafts to affect the balance. The balance displays the calibration weight value. 6 Place a calibration weight, of the weight value dis...
Page 28 - FUNCTION SWITCH AND INITIALIZATION; -1 Permit or Inhibit; Switches; For details, refer to “20. EXTENDED FUNCTIONS
26 9. FUNCTION SWITCH AND INITIALIZATION 9-1 Permit or Inhibit The balance stores parameters that must not be changed unintentionally (e.g. Calibration data for accurate weighing, data for adapting to the operating environment, control data for the RS-232C interface). There are two switches for prot...
Page 29 - -2 Initializing the Balance; With these keys
27 9-2 Initializing the Balance This function returns the following parameters to factory settings. Calibration data Function table Upper/lower limit values The sample unit mass value (counting mode), 100% reference mass value (percent mode) The data that is stored in the balance using the data memo...
Page 30 - Class; Item; 0-1 Structure and Sequence of the Function Table; Example; 0-2 Display and Keys
28 Start, From weighing mode Press and hold Press several times Class End, To weighing mode Item "Data memory" Press several times Item Press five times Parameter "Stores weighing data" Item "Interval time" Parameter "1 minute" Press twice 10. FUNCTION TABLE The funct...
Page 31 - 0-3 Details of the Function Table
29 10-3 Details of the Function Table Class Item and Parameter Description 0 1 Cond Condition 2 Fast weighing speed, sensitive value FAST MID. Slow weighing speed, stable value SLOW 0 1 5t-b Stability band width 2 Stable range is ±1 digit Stable range is ±3 digits The stabilization indicator illumin...
Page 35 - 0-4 Description of the Class “Environment, Display”; Stability band width (; Hold
33 10-4 Description of the Class “Environment, Display” Condition ( Cond ) Cond 0 This parameter is for sensitive response to the fluctuation of a weight value. Used when fast weighing speed is required. After setting, the balance displays FAST. Cond 2 This parameter is for stable weighing with slow...
Page 36 - trc; Display refresh rate (; pnt; poff; Capacity indicator (; Minimum weighing value display at start (; rng
34 Zero tracking ( trc ) This function tracks zero point drift caused by changes in the environment and stabilizes the zero point. Three levels of zero tracking are available. When the weight value is only a few digits, turn the function off for accurate weighing. Note Digit, when used for the AD-42...
Page 37 - 0-5 Description of the Item “Data output mode”; Notes; Key mode
35 Tare at start ( p-tr ) When a hopper is attached to the weighing pan and loss-in weighing is performed, the remaining amount of the material will become unknown if tare is performed each time a weighing starts. When " p-tr 0 " is selected, tare is not performed at weighing start. So, the ...
Page 38 - 0-6 Description of the Item “Data format”
36 Key mode B When the PRINT key is pressed or the external PRINT contact input is used, the balance outputs or stores the weighing data immediately regardless of the display condition. At this time, the display does not blink. Key mode C When the PRINT key is pressed or the external PRINT contact i...
Page 40 - CSV format; 0-7 Description of the Data Format Added to the Weighing Data; ID number; Time
38 L A B - 0 1 2 3 CR LF 2 0 0 4 / 0 7 / 0 1 CR LF CR LF 1 2 : 3 4 : 5 6 LAB-0123, No,012, 2004/07/01, 12:34:56, ST,+000.1278, ~ ~ g<CR><LF> CR LF S T , + 0 0 0 . 1 2 7 8 , g CR LF O L , + 9 9 9 9 9 9 9 E + 1 9 , g CSV format 5if type 5 This format separates the data of A&D standard ...
Page 41 - 0-8 Data Format Examples
39 10-8 Data Format Examples Stable Unstable Overload Positive error Overload Negative error Space, ASCII 20h Carriage Return, ASCII 0Dh Line Feed ASCII 0Ah ( AD-4212A only) % % % % g mg Counting mode Precent mode Ounce (Avoir) Troy Ounce Metric Carat Momme Pennyweight Grain Tael Tael (HK, jewelry) ...
Page 42 - 0-9 Clock and Calendar Function; Confirming the time
40 10-9 Clock and Calendar Function The balance is equipped with a clock and calendar function. When the “GLP output ( info )” parameter is set to “ 1 ” or “ 2 ” and the “Time/Date output ( 5-td )” parameter is set to “ 1 ”, “ 2 ” or “ 3 ”, the time and date are added to the output data. Set or conf...
Page 43 - Quitting the operation
41 Confirming the date 6 The current date is displayed with all the digits blinking. To change the display order of year ( y ), month ( n ) and day ( d ), press the MODE key. The date is output in the order as specified. When the date is correct and the operation is to be finished, press the CAL key...
Page 44 - Three-level comparison results
42 10-10 Comparator Function The balance outputs the results of the comparison in three or five levels. AD-4212A series balance: 3-level output (standard) or 5-level output when OP-04 is installed. AD-4212B series balance: 3-level or 5-level output, switched by “Comparator output setting ( Cp-t )” o...
Page 45 - Setting the upper/lower limit values
43 Five-level comparison Contact output Comparison results Display H H HI OK LO LL Buzzer H H H H blinking short open open open open HI HI illuminated open short open open open OK OK illuminated open open short open open LO LO illuminated open open open short open LL LL blinking open open open open ...
Page 46 - Confirming the upper/lower limit values; When three-level comparison is selected
44 Confirming the upper/lower limit values To confirm the upper/lower limit values during weighing operation, press the MODE key. The upper/lower limit values will be displayed. Even under this condition, weighing operation goes on and data output, contact output of the comparison results and RE-ZER...
Page 47 - )” parameter of the function table to “
45 Note The upper/lower limit values can be confirmed by external commands using the RS-232C serial interface. e.g., Command ? H H (to confirm secondary upper limit value) Response HH, + 1 0 0 . 0 0 0 0 0 g (secondary upper limit value=100.00000 g) Command ?HI (to confirm upper limit value) Response...
Page 48 - ID NUMBER AND GLP REPORT; 1-1 Setting the ID Number; Display character set
46 11. ID NUMBER AND GLP REPORT The ID number is used to identify the balance when Good Laboratory Practice (GLP) is used. The ID number is maintained in non-volatile memory even if the AC adapter is removed. The GLP output format is selected at “GLP output ( info )” of the function table and can be...
Page 49 - Calibration report
47 11-2 GLP Report Set the following parameters to output the report. To print the report, set the “GLP output ( info )” parameter to “ 1 ” and use MODE 3 of the AD-8121B. For details on using the printer, refer to “17-1 Connection to the AD-8121B Printer”. To output the report to a personal compute...
Page 50 - Calibration test report using an external weight
48 Calibration test report using an external weight (Calibration test does not perform calibration.) When the setting is “ info 1 ”: When the setting is “ info 2 ”: AD-8121 format General data format Manufacturer Model Serial number ID number Date Time Calibration test type Zero point value Target w...
Page 51 - Title block and end block; Weighing data
49 Title block and end block When weight values are recorded as GLP data, a “Title block” is inserted at the beginning and an “End block” is inserted at the end of a group of weight values in the GLP report. Notes To output the report to an AD-8121B , use MODE 3 of the AD-8121B. If the data memory f...
Page 52 - Selecting the counting mode; Storing a sample unit mass
50 12. COUNTING MODE (PC) This is the mode to determine the number of objects in a sample based on the standard sample unit mass. The unit mass is the mass of one piece of the sample. The smaller the variables in each sample unit mass are, the more accurate the counting will be. The AD-4212A/B serie...
Page 53 - Counting operation; Counting mode using the ACAI function; Place sample
51 Notes If the balance judges that the mass of the samples is too light and is not adequate to be used as the unit mass, it displays 1 lo . In that case, store the mass by some quantity. For example, when the model with the minimum weighing value of 0.01 g is used and 10 pieces of samples weigh 0.0...
Page 54 - Selecting the percent mode; Storing the 100% reference mass; The decimal point position depends on the 100% reference mass.; Reading the percentage
52 13. PERCENT MODE (Pct) This is the mode to display the weight value in percentage compared to a 100% reference mass and is used for target weighing or checking the sample variable. Selecting the percent mode 1 Set “ Unit selection ( Unit ) ” parameter of the function table to pct (percent mode). ...
Page 55 - 4-1 Notes on Using Data Memory; Releasing “
53 14. DATA MEMORY Data memory is a function to store weighing data or calibration data to display or output later. The data memory function can also store multiple upper/lower limit values or unit mass values, for later selection as necessary. One of the following data sets can be stored: Weighing ...
Page 56 - 4-2 Memory for Weighing Data; Storing the weighing data
54 14-2 Memory for Weighing Data The data memory function can store 200 sets of weighing data (100 set if time and date are added). Even if the AC adapter is removed, the data is maintained in non-volatile memory. It is not necessary that the printer or computer be continually connected to the balan...
Page 59 - 4-3 Memory for Calibration and Calibration Test Data; Storing the calibration and calibration test data
57 14-3 Memory for Calibration and Calibration Test Data Calibration data (when and how it is performed) and calibration test data can be stored in memory. All the data in memory is available to be output at one time to a printer or personal computer. Up to 50 data sets of the latest calibration or ...
Page 60 - 4-4 Memory for Unit Mass in the Counting Mode; Recalling the unit mass
58 14-4 Memory for Unit Mass in the Counting Mode The data memory function can store 20 sets of unit mass for the counting mode. Even if the AC adapter is removed, the data is maintained in non-volatile memory. Among the 20 sets, “ p01 ” is the memory function for the standard counting mode. The uni...
Page 61 - 4-5 Memory for Upper/lower limit values; Setting the function table
59 14-5 Memory for Upper/lower limit values Upper/lower limit values stored in memory can be selected easily by pressing the MODE key. Storage capacity for the 3-level comparison is 20 sets of upper/lower limit values (code numbers C01 - C20 ). " C01 " is to store the upper and lower limit v...
Page 64 - Confirming the coefficient; Using the function
62 15. PROGRAMMABLE-UNIT (AD-4212A only) This is a programmable unit conversion function. It multiplies the weighing data in grams by an arbitrary coefficient set in the function table and displays the result. The coefficient must be within the range between the minimum and maximum shown below. If t...
Page 66 - External contact input; Use a shielded; Use a shielded cable.; Use a shielded
64 Comparator contact ratings Maximum contact voltage 100VDC Maximum contact current 100mADC Maximum contact resistance 20 Ω External contact input Minimum contact time 100 msec +5V FGRXDTXDRTSCTSDSRSG FGTXDRXDRTSCTSDSRSG 1234567 Balance (DCE) Of DOS/V type (D-Sub9) Connector shell Pin 3Pin 2Pin 7Pi...
Page 67 - CONNECTION TO PERIPHERAL EQUIPMENT
65 17. CONNECTION TO PERIPHERAL EQUIPMENT 17-1 Connection to the AD-8121B Printer Set the following parameters to use the AD-8121B printer. AD-8121B Class Item Factory setting Mode 1 Mode 2 Mode 3 prt Data output mode 0 0 , 1 , 2 , 4 , 5 3 0 , 1 , 2 , 4 , 5 ap-p Auto print polarity 0 ap-b Auto print...
Page 68 - 7-2 Connection to a Computer; RsCom
66 17-2 Connection to a Computer The AD-4212A/B series balance is of the DCE type (Data Communication Equipment), which can be connected to a personal computer using the RS-232C interface. Before connection, read the personal computer manual thoroughly. Use a standard DCE cable for connection (cable...
Page 69 - Using the WinCT software, the balance can do the following:
67 Using the WinCT software, the balance can do the following: 1 Analyzing the weighing data and the statistics with “RsKey” The weighing data can be input directly into an Excel worksheet. Then, Excel can analyze the data to obtain total, average, standard deviation, maximum and minimum value, and ...
Page 71 - 8-2 Acknowledge Code and Error Codes
69 18-2 Acknowledge Code and Error Codes When the “Serial interface function ( 5if )” parameter is set to “ erCd 1 ”, the balance outputs <AK> code or error code to each command as follows: <AK> (06h) Acknowledge in ASCII code. When the balance receives a command to request data and can ...
Page 72 - 8-3 Control Using CTS and RTS
70 18-3 Control Using CTS and RTS Depending on the “ Ct5 ” parameter of “Serial interface ( 5if )”, the balance performs as follows: Ct5 0 Regardless of whether the balance can receive a command or not, the balance keeps the CTS line HI. The balance outputs data regardless of the condition of the RT...
Page 73 - 9-1 Connector Pin Nos. and Specifications; I/O connector located on the rear of the display unit
71 19. BCD OUTPUT (OP-01) Weighing data will be output in BCD, in sync with the display refreshing. In addition, the polarity (+/-) and balance condition (stable/not stable, overload(positive/negative)) will be output. The strobe signal allows inputting data easily. Inputting BUSY will hold data or ...
Page 74 - Pin assignments and I/O logic
72 Pin assignments and I/O logic Output pin assignments Input pin assignments Pin No. Signal Pin No Signal 26 1 7 BUSY 27 2 9 RE-ZERO 28 4 5 ON/OFF Switch 29 8 10 0 3 Input signal GND 39 1 11 Not used (Reserved) 40 2 41 4 42 8 10 1 ・ The pins, which are not specified, have no connection. (Pins 2, 4,...
Page 75 - OP-01 installation procedure
73 T on Ｔ off OFF ON OP-01 installation procedure 1 Remove the two screws that secure the I/O unit to the rear of the display unit. 2 Remove the I/O unit and disconnect the two cable connectors. 3 Connect the 14-pin cable connector that was removed in step 2 to the OP-01 connector. 4 Leave the 2-pin...
Page 76 - EXTENDED FUNCTIONS
74 20. EXTENDED FUNCTIONS (AD-4212A only) The AD-4212A series balance has several extended functions equipped for special applications or to troubleshoot when using the standard functions. Some settings of the extended functions may affect the weighing accuracy. Therefore, they are set to disabled a...
Page 79 - 2-1 Checking the Balance Performance and Environment
77 21. MAINTENANCE Do not disassemble the balance. Contact the local A&D dealer if the balance needs service or repair. Use the original packing material for transportation. Do not use organic solvents to clean the balance. Clean the balance with a lint free cloth that is moistened with warm wat...
Page 83 - 2-3 Asking For Repair
81 Display Error code Description EC, E03 Timeout error If the timeout parameter is set to “ t-Up1 ”, the balance did not receive the next character of a command within the time limit of one second. Confirm the communication. EC, E04 Excess characters error The balance received excessive characters ...
Page 86 - DESIGNING A SPECIAL WEIGHING PAN; Using the pan support
84 24. DESIGNING A SPECIAL WEIGHING PAN A weighing pan specially designed for the balance can be installed. Design the weighing pan as described below: Using the pan support The pan support can be removed. 38mm 38mm Four points on the peripheral M3 screw: Length 5 mm or less Center M3 flat heat scre...
Page 87 - Using the pan boss; Shock absorber specifications
85 Using the pan boss The pan boss can not be removed. Shock absorber specifications The internal shock absorber functions at about 2 kg (as a static force), to protect the mass sensor. A static force of less than 2 kg will not damage the mass sensor. 5 Approx. 16mm 5 19.5mm 30 Three point M3 screw ...
Page 92 - INSTALLING THE DISPLAY UNIT; Installing the display unit on a wall using the standard stand; Installing in a panel
90 25. INSTALLING THE DISPLAY UNIT Installing the display unit on a wall using the standard stand 1. Secure the stand, that is attached to the display unit, on the wall using the four screws 2. Adjust the angle of the display unit and tighten the angle adjustment knobs located on both sides of the d...
Page 93 - ATTACHING THE MOUNTING FIXTURES; Attachment Procedure
91 26. ATTACHING THE MOUNTING FIXTURES The mounting fixtures provided with the AD-4212A/B series balance are used to secure the weighing unit from above in a determined position, when the weighing unit is built into a system. To attach the fixtures to the weighing unit, use the screw holes after the...
Page 94 - EXTERNAL DIMENSIONS; Display; Weighing unit; Adjustable range
92 27. EXTERNAL DIMENSIONS Display unit Weighing unit (Bottom) Same for all the models Weighing unit AD-4212A-100/200 AD-4212B-101/102 AD-4212B-201/301 Unit: mm Screw part M6XP0.75 Depth 20mm 20 (98) 62 25 176 (2 39) 9 40 40 237 192 59 95 15 5 149 65 29 107 115 Height up to the pan boss 90 ( 8 5 ～ 9...
Page 95 - Weighing unit with the mounting fixtures attached
93 AD-4212A-600/1000 Weighing unit with the mounting fixtures attached Unit: mm * Adjustable range 70 62 23 0 17 6 25 9 70 80 (98) * 92 .5 ( 8 7. 5 -97 .5 ) Height up to the pan boss 87 (8 2 -9 2 ) 62 0.2 235 0. 4 62 0.2 210 249 12 12 80 (90) 10 70 φ 6. 5
Page 98 - Keys and symbols
96 29. TERMS/INDEX Terms Stable value The weight data when the stabilization indicator appears. Environment Ambient conditions such as vibration, drafts, temperature, static electricity or magnetic fields which affect the weighing operation. Store To save the weighing data, unit mass, calibration da...
Page 102 - MEMO
