A&D GF-30K Instruction Manual
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A&D GF-30K Instruction Manual

Gx-k / gf-k series high resolution industrial balance
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WM+PD4000775B
GX-K series
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Summary of Contents for A&D GF-30K

  • Page 1 GX-K series GX-8K GX-8K2 GX-10K GX-12K GX-20K GX-30K GX-32K GF-K series GF-8K GF-8K2 GF-10K GF-12K GF-20K GF-30K GF-32K WM+PD4000775B...
  • Page 2 This Manual and Marks All safety messages are identified by the following, “WARNING” or “CAUTION”, of ANSI Z535.4 (American National Standard Institute: Product Safety Signs and Labels). The meanings are as follows: A potentially hazardous situation which, if not avoided, WARNING could result in death or serious injury.

  • Page 3: Table Of Contents

    Contents Basic Operation Introduction ........................3 1-1. About This Manual......................3 1-2. Features ........................3 1-3. Compliance .........................4 Unpacking And Installing The Balance ................6 2-1. Installing The Balance ....................7 Precautions........................7 3-1. Before Use ........................7 3-2. During Use ........................8 3-3. After Use ........................9 3-4. Power Supply......................9 Display Symbols and Key Operation................
  • Page 4 10-8. Comparator Function....................46 ID Number And GLP Report ..................52 11-1. Setting The ID Number.................... 52 11-2. GLP Report ......................53 Data Memory ....................... 56 12-1. Notes on Using Data Memory................. 56 12-2. Data Memory for Weighing Data................57 12-3.

  • Page 5: Basic Operation

    1. Introduction This manual describes how the balances of the GX-K series and GF-K series work and how to get the most out of them in terms of performance. Read this manual thoroughly before using the balance and keep it at hand for future reference.

  • Page 6: Compliance

    Data memory function stores weighing data, calibration data or unit mass in the counting mode. It can also store tare values or upper and lower limit values for the comparator function. Interval memory mode is provided to store the weighing data periodically. Good laboratory practice (GLP) data can be output using the standard RS-232C serial interface.

  • Page 8: Unpacking And Installing The Balance

    2. Unpacking And Installing The Balance The balance is a precision instrument. Unpack the balance carefully. Keep the packing material to be used for Weighing pan transporting the balance in the future. The packing contents depend on the Pan support balance model.

  • Page 9: Installing The Balance

    2-1. Installing The Balance Install the balance as follows: 1 Refer to "3. Precautions" for installing the balance. Bubble sprit level 2 Install the pan support, weighing pan and draft gate. Refer to the previous page. Good No good 3 Adjust the leveling feet to level the balance. Leveling foot Confirm it using the bubble spirit level.

  • Page 10: During Use

    The meaning of IP-65 is "No ingress of dust. Projected against water jets". If a powerful water jet is used or the balance is immersed in water, it may cause a damage that is due to ingress of water. Confirm that "the plug is inserted firmly into the jack" and "the terminal is covered using the waterproof cover or the waterproof RS-232C cable (GX-07K)", when using the balance.

  • Page 11: After Use

    Prevent foreign matter, such as powder, liquid and metal, from invading the area around the weighing pan. Use the "breeze break" for a precision weighing. 3-3. After Use Avoid mechanical shock to the balance. Do not disassemble the balance. Contact the local A&D dealer if the balance needs service or repair.

  • Page 12: Display Symbols And Key Operation

    4. Display Symbols and Key Operation Key Operations Key operation affects how the balance functions. The basic key operations are: "Press and release the key immediately" or "Press the key" are normal operation. = normal key operation during measurement "Press and hold the key". Displays memory data information Display Displays the weighing data relative to the weighing capacity...

  • Page 13: Smart Range Function

    4-1. Smart Range Function The GX-32K, GF-32K, GX-8K2 and GF-8K2 are equipped with two ranges of "precision range" of a higher resolution and "standard range" of normal resolution. The range is switched automatically depending on the value displayed. Pressing the key allows weighing in the precision range, regardless of the RE-ZERO tare value.

  • Page 14: Weighing Units

    5. Weighing Units 5-1. Units With the balance, the following weighing units and weighing modes are available : Counting mode Percent mode Density mode (To use this mode, it must be stored in the function table as described on the next page.
  • Page 15 The tables below indicate the weighing capacity and the minimum display for each unit, depending on the balance model. GX-12K GX-20K GX-30K GF-12K GF-20K GF-30K Unit Minimum Capacity display Gram 12000.0 21000.0 31000.0 Kilogram 12.0000 21.0000 31.0000 0.0001 Ounce (Avoir) 423.290...
  • Page 16 GX-8K2 GF-8K2 Unit Standard range Precision range Minimum Minimum Capacity Capacity display display Gram 8100.00 2100.00 0.01 Kilogram 8.1000 0.0001 2.10000 0.00001 Ounce (Avoir) 285.720 0.005 74.0755 0.0005 Pound 17.8575 0.0005 4.62970 0.00005 Pound/Ounce 17L 13.72 0.01 4L 10.075 0.001 Troy Ounce 260.420 0.005...

  • Page 17: Changing The Units

    5-2. Changing the Units The units or modes can be selected and stored in the function table. The sequence of displaying them can be arranged in the function table, so as to fit the frequency of use. Select a unit or mode and arrange the sequence of display as follows: Step 1 Press and hold the key until of the...

  • Page 18: Weighing

    6. Weighing 6-1. Basic Operation (Gram Mode) Weighing pan Step 1 Place a container on the weighing pan, if necessary. Container Press the key to cancel the RE-ZERO weight (tare). The balance displays 0. 0 g (The decimal point position depends on the balance model.) Step 2 Place a sample on the pan or in the container.

  • Page 19: Counting Mode (Pcs)

    6-2. Counting Mode (PCS) This is the mode to determine the number of objects in a sample based on the standard sample unit mass. The unit mass means an average mass of the samples. The smaller the variation in the samples, the more accurate the count will be. The balance is equipped with the Automatic Counting Accuracy Improvement (ACAI) function to improve the counting accuracy.
  • Page 20 Counting Mode Using The ACAI Function The ACAI is a function that improves the accuracy of the unit mass automatically by increasing the number of samples as the counting process. ACAI: Automatic Counting Accuracy Improvement Step 8 If a few more samples are added, the From step 7 processing indicator turns on.

  • Page 21: Percent Mode (%)

    6-3. Percent Mode (%) The percent mode displays the weighting value in percentage compared to a 100% reference mass and is used for target weighing or checking the sample variance. Selecting The Percent Mode Step 1 Press the key to select the unit MODE (Percent mode).

  • Page 22: Accumulation Function

    6-5. Accumulation Function The accumulation function sums the weighing data and displays the total value. To use the accumulation function, set the "Accumulation function ( )" parameter of the function table as described below. Note While the accumulation function is in use, the data memory function is not available. data When using the accumulation function, make sure that the "Data memory ( )"...
  • Page 23 Using The Accumulation Function Use the following keys to operate the accumulation function. key ..Displays the weighing data and the total value alternately each time it is MODE pressed. While the accumulation function is in use, the unit can not be changed.

  • Page 24: Weighing Speed Adjustment / Self Check Function

    7. Weighing Speed Adjustment / Self Check Function 7-1. Weighing Speed Adjustment This function detects the influence on weighing that is caused by drafts and/or vibration at the place where the balance is installed and sets the following three weighing speeds Weighing speeds (response characteristics) automatically.

  • Page 25: Self Check Function With Response Adjustment For The Gx-K Series

    7-2. Self Check Function With Response Adjustment For The GX-K Series This function automatically updates the response adjustment by analyzing the influence of the environment on the weighing data and also self-checks the balance performance using the internal mass. Press and hold Step 1 Press and hold the key until MODE...

  • Page 26: Calibration

    8. Calibration 8-1. Calibration Group The balance has the following modes as a calibration group. Calibration Automatic self calibration (Calibration due to changes in temperature for GX-K series) Calibration using the internal mass for GX-K series (One-touch calibration) Calibration using an external weight Calibration Test Calibration test using an external weight (Calibration test does not perform calibration) Correction of the internal mass value...

  • Page 27: Automatic Self Calibration For The Gx-K Series

    GF-12K 5kg, 10kg -1.5g ~ +1.5 g GX-20K GF-20K 10kg, 20kg GX-30K GF-30K 20kg, 30kg GX-32K GF-32K The calibration weight in bold type: factory setting The calibration weight value can be adjusted within the range above. Display This indicator means "In process of measuring calibration data".

  • Page 28: One-Touch Calibration For The Gx-K Series

    8-3. One-Touch Calibration For The GX-K Series Calibration using the internal mass for The GX-K series This function calibrates the balance using the internal mass. The only operation required is to press the key. Caution GF-K series can not use this calibration mode. Step 1 Connect the AC adapter and warm up the balance for at least 30 minutes with nothing on the weighing pan.

  • Page 29: Calibration Using An External Weight

    8-4. Calibration Using An External Weight This function calibrates the balance using an external weight. Step 1 Connect the AC adapter and warm up the balance for at least 30 minutes with nothing on the weighing pan. Press and hold Step 2 Press and hold the key until Calout...

  • Page 30: Calibration Test Using An External Weight

    8-5. Calibration Test Using An External Weight This function tests the weighing accuracy using an external weight and outputs the result. This is available only when Press and hold the "GLP output ( )" parameter is set to " " or " ".

  • Page 31: Correcting The Internal Mass Value Of The Gx-K Series

    8-6. Correcting The Internal Mass Value Of The GX-K Series The balance can correct the internal mass value within the range shown below. This function corrects the internal mass value to conform to an external weight. The corrected mass value is maintained in non-volatile memory even if the AC adapter is removed. The internal mass value is corrected as follows: Note GF-K series can not use this function.
  • Page 32 key ..To cancel the correction and display the next menu item of the function table. Step 10 Press the key to return the weighing mode. Step 11 Press the key to calibrate the balance using the internal mass. Step 12 Place the external weight on the pan and confirm that the correction has been performed properly.

  • Page 33: Function Switch And Initialization

    9. Function Switch And Initialization 9-1. Permit Or Inhibit The balance stores parameters that must not be changed unintentionally (Example: Calibration data for accurate weighing, Data for adapting to the operating environment, Control data for the RS-232C interface). There are five switches for the purpose of protecting parameters.

  • Page 34: Initializing The Balance

    GF-K series. The display shown left indicates the factory settings. Function table To inhibit changes to the function table. To permit changes to the function table. Not used Calibration using an external weight To inhibit calibration using an external weight. To permit calibration using an external weight.

  • Page 35: Function Table

    10. Function Table This function table reads or rewrites the parameters that are stored in the balance. These parameters are maintained in non-volatile memory, even if the AC adapter is removed. 10-1-1. Structure And Sequence Of The Function Table This function table menu consists of two layers. The first layer is the "Class" and the second layer is the "Item".

  • Page 36: Details Of The Function Table

    10-2. Details Of The Function Table Class Item and Parameter Description Fast response, sensitive value FAST Can be changed by response Cond adjustment. With "Hold 1", sets the MID. Condition averaging time. Slow response, stable value SLOW The stabilization indicator illuminates Stable when within ±1 digit 5t-b with the display fluctuation within the...
  • Page 37 Class Item and Parameter Description Cp Hi Upper limit Refer to Displayed when Cp in 0 is selected. Cp lo "10-8. Comparator Function" Lower limit Cp ref Reference value Refer to Displayed when Cp in 1 is selected. Cp lmt "10-8.
  • Page 38 Class Item and Parameter Description pU5e No pause Selects the data output interval. Data output pause Pause (1.6 seconds) at-f Not used Selects whether or not automatic feed is performed. Auto feed Used dout Selects GLP output method. No output Data output info For how to set time and date to be...

  • Page 39: Description Of The Class "Environment, Display

    Weighing range Averaging time Stable range GX-8K GX-8K2 GX-10K Cond 0 5t-b 0 Small 2 sec. Faster 4 sec. GF-8K GF-8K2 GF-10K Cond 1 5t-b 1 8 sec.More accurate GX-12K GX-20K Cond 2 5t-b 2 GX-30K GX-32K GF-12K GF-20K GF-30K GF-32K...
  • Page 40 Zero tracking ( trc ) This function tracks zero point drift caused by changes in the environment and stabilizes the zero point. When the weighing data is only a few digits, turn the function off for accurate weighing. trc 0 The zero tracking function is not used for weighing a very light sample.

  • Page 41: Description Of The Item "Data Output Mode

    10-4. Description Of The Item "Data Output Mode" The parameter setting of "Data output mode ( )" applies to the performance when the "Data memory ( )" parameter is set to " " (to store the weighing data) and when the data data is transmitted using the RS-232C interface.

  • Page 42: Description Of The Item "Data Format

    Interval memory mode The weighing data is periodically stored in memory. Example For periodical weighing without a personal computer command and to output all of the data, to a computer, at one time. The GX-K series can use time and date with "Time/Date output ( )".
  • Page 43 KF format 5if type 2 This is the Karl-Fischer moisture meter format and is used when the peripheral equipment can only communicate using this format. This format consists of fourteen characters excluding the terminator. This format has no header characters. The polarity sign is placed before the data, with spaces in place of leading zeros, if the data is not zero or overloaded.

  • Page 44: Description Of The Data Format Added To The Weighing Data

    10-5-1. Description of the Data Format Added to the Weighing Data ID number dout 5-id 1 The number to identify a specific balance. This format consists of seven characters excluding the terminator. Data number dout d-no 1 This format outputs the data number just before the data is transmitted using the RS-232C interface.

  • Page 45: Data Format Examples

    10-6. Data Format Examples Stable Unstable Overload Positive error Overload Negative error Space, ASCII 20h Carriage Return, ASCII 0Dh Line Feed, ASCII 0Ah...
  • Page 46 Units A&D D.P. Counting mode Percent mode Ounce (Avoir) Pound Pound Ounce Troy Ounce Metric Carat Momme Pennyweight Grain Tael (HK general, Singapore) Tael (HK, jewelry) Tael (Taiwan) Tael (China) Tola (India) Messghal Density Multi Space, ASCII 20h Note When "Pound Ounce" is selected, the data is output with the unit of ounce (oz). The unit Grain is not available for the GX-32K and GF-32K.

  • Page 47: Clock And Calendar Function

    10-7. Clock And Calendar Function The GX-K series is equipped with a clock and calendar function. When the "GLP output )" parameter is set to " " or " " and the "Time/Date output ( )" parameter is set to info 5-td "...

  • Page 48: Comparator Function

    Setting the date (with part of the digits blinking) Step 7 Set the date using the following keys. key ... To select the digits to change the value. Date setting mode SAMPLE The selected digits blink. key .. To increase the value by one. RE-ZERO key ..
  • Page 49 10-8-1. Example 1 Comparison when the weighing data is stable or overloaded, excluding "near zero", upper limit and lower limit. Selecting a comparator mode Step 1 Press and hold the key until of the function table is displayed, SAMPLE ba5fnc then release the key.
  • Page 50 10-8-2. Example 2 Continuous comparison, including "near zero", reference value and tolerance value. Selecting a comparator mode Step 1 Press and hold the key until of the function table is displayed, SAMPLE ba5fnc then release the key. Step 2 Press the key several times to display SAMPLE Cp fnc...
  • Page 51 Note Enter the tolerance value in percentage, with the reference value as 100%. Only the digital input mode is available for setting the tolerance value. MODE key is not used to set the tolerance value. Step 10 Press the key to exit the comparator function and return to the weighing mode. Note When Pound/Ounce is selected as a weighing unit, enter the values in ounces for comparison.

  • Page 52: Adding The Comparison Results

    10-8-3. Adding the Comparison Results By setting the "Comparison results ( )" of the function table to " ", the comparison results Cp-r can be added to the data output using the RS-232C serial interface. Use A&D standard format ( ).
  • Page 53 Step 3 Each time the key is pressed, the balance switches between the standard MODE display and the main display comparison. Note that " " appears for OK. Notes While the main display comparison function is in use, the processing indicator illuminates as shown in the illustration.

  • Page 54: Id Number And Glp Report

    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 ( )"...

  • Page 55: Glp Report

    11-2. GLP Report Set the following parameters to output the report. To print the report, set the "GLP output ( )" parameter to " " and use MODE 3 of the info AD-8121B. Refer to "16-2. Connection to the AD-8121B Printer" for details on using the printer.
  • Page 56 Calibration report using an external weight Setting of "info 1" Setting of "info 2" AD-8121 printer format General format ~~~~~~~~~~~A~&~D<TERM> -----------A-&-D Manufacturer MODEL-----GX-30K MODEL~~~~~GX-30K<TERM> Model S/N-----01234567 S/N~~~~~01234567<TERM> Serial number ID-------ABCDEFG ID~~~~~~~ABCDEFG<TERM> ID number DATE--2004/12/31 DATE<TERM> Date ~~~~~~2004/12/31<TERM> TIME----12:34:56 Time CALIBRATED(EXT.) TIME<TERM>...
  • Page 57 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.

  • Page 58: Data Memory

    12. Data Memory Data memory is a function to store weighing data, calibration data and unit mass in memory. Of the data in memory, the balance can only display the weighing data. The weighing data and calibration data in memory are available for outputting at one time to a printer or personal computer.

  • Page 59: Data Memory For Weighing Data

    12-2. Data Memory for Weighing Data The GX-K series can store 200 sets of weighing data in memory (if time and date are added, the GX-K series can store 100 sets). Even if the AC adapter is removed, the data is maintained in non-volatile memory.

  • Page 60: Setting The Function Table

    " " indicates that memory is full or the memory capacity has been reached. More data can not be stored unless the memory data is deleted. Automatic self calibration can not be used while the interval memory mode is active. The following commands can not be used during data storage.
  • Page 61 Recalling the memory data Indicators Confirm that the "Data memory ( )" parameter is set to " ". data Step 1 Press and hold the key until is displayed, PRINT reCall then release the key. Weighing data without time and date Step 2 Press the key to enter the memory recall mode.

  • Page 62: Data Memory For Calibration And Calibration Test

    12-3. Data Memory for Calibration and Calibration Test 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.

  • Page 63: Data Memory For Unit Mass In The Counting Mode

    12-4. Data Memory for Unit Mass in the Counting Mode The GX-K series can store 50 data of unit mass for the counting mode. " " is the standard memory of unit mass. Another 49 data of unit mass can be stored. The GF-K series can store 20 data of unit mass for the counting mode.
  • Page 64 Using the "UN:mm" command, the unit mass can be recalled. The unit mass recalled can be output using the "?UW" command. The unit mass can be changed using the "UW:" command. "mm" indicates a two-digit numerical value 01 to 50, which corresponds to p01 - p50 of the GX-K series.
  • Page 65 12-4-2. Recalling the unit mass Step 1 Follow steps1 through 3 in "12-4-1. Storing the unit mass" on the previous page, to enter the sample unit mass confirmation mode. No4. of unit Step 2 Select the unit mass number using the following keys. mass GX-K series: GF-K series:...

  • Page 66: Data Memory For Comparator Settings

    12-5. Data Memory for Comparator Settings The data memory function can store 20 sets of upper and lower limit values for the comparator mode. The reference value or tolerance value for the comparator mode can not be stored in memory. The upper and lower limit values in memory can be recalled easily using the MODE and used for weighing.
  • Page 67 Notes Using the "CN:mm" command, the comparator limit values can be recalled. The upper limit value recalled can be output using the "?HI" command. The lower limit value recalled can be output using the "?LO" command. The upper limit value can be changed using the "HI:" command. The lower limit value can be changed using the "LO:"...
  • Page 68 12-5-2. Recalling the upper and lower limit values (Quick selection mode) The procedure below describes an easy way to recall the upper and lower limit values to be used for weighing. When the recalled upper and lower limit values are to be changed, refer to "12-5-1.

  • Page 69: Data Memory For Tare Value

    12-6. Data Memory for Tare Value The data memory function can store 20 sets of tare values for weighing. The tare value in memory can be recalled easily using the key and used for weighing. MODE The tare value in memory can be recalled and changed. Notes The recalled tare value can be changed, using the digital input mode or the weighing input mode.
  • Page 70 Notes Using the "PN:mm" command, the tare value can be recalled. The tare value recalled can be output using the "?PT" command. The tare value can be changed using the "PT:" command. "mm" indicates a two-digit numeral value 01 to 20, which corresponds to t01 - t20. Weighing input mode In the weighing input mode, a sample tare container is placed on the pan to store the tare value.
  • Page 71 12-6-2. Recalling the tare value (Quick selection mode) The procedure below describes an easy way to recall the tare value to be used for weighing. When the recalled tare value is to be changed, refer to "12-6-1. Storing the tare value". Step 1 Set the "Data memory ( )"...

  • Page 72: Data Memory: Quick Selection Mode

    12-7. Data Memory: Quick Selection Mode The data memory has a quick selection mode to recall data in memory quickly. Using the quick selection mode, the comparator settings or the tare value, whichever is selected in the function table, can be recalled, by a simple operation, using the key.

  • Page 73: Data Memory: Confirmation And Storage Mode

    12-8. Data Memory: Confirmation and Storage Mode The confirmation and storage mode can change and store the recalled data. Of the three types of memory data listed below, one may be selected in the function table, and is available for changes using this mode. Unit mass in the counting mode Comparator settings Tare value...
  • Page 74 Step 3 Select a method. To perform a weighing using the selected memory data Press the key to confirm the selection. The balance will return to the PRINT weighing mode with the selection ready for use. To change and store the selected memory data Press the key to enter the storage mode.

  • Page 75: Underhook

    13. Underhook The underhook can be used for weighing large samples, magnetic materials or for measuring density. The built-in underhook is revealed by removing the cover plates on the bottom of the balance. Use the underhook as shown below. Caution Do not apply excessive force to the underhook.

  • Page 76: Programmable Unit

    GF-8K GF-10K GX-8K2 GX-12K GX-20K GX-30K 0.000001 10000 GF-8K2 GF-12K GF-20K GF-30K GX-32K 1000 GF-32K Operation Step 1 Press and hold the key until of the function table is displayed, ba5fnc SAMPLE then release the key. Step 2 Press the...

  • Page 77: Density Measurement

    15. Density Measurement The balance is equipped with a density mode. It calculates the density of a solid using the weight of a sample in air and the weight in liquid. The density mode was not selected for use when the balance was shipped from the factory. To use the mode, change the function table and activate the density mode.
  • Page 78 15-1-2. Measuring the density Note If the liquid temperature or the type of liquid is changed during measurement, input again the value of the liquid density as necessary. Refer to "C. Entering the density of a liquid". Entering the density mode Step 1 Press the key as necessary to select the density mode.
  • Page 79 (B) Entering the weight of a sample in liquid 1 Confirm that nothing is placed on the lower pan (in liquid). Press the key to set the display to zero. RE-ZERO 2 Place a sample on the lower pan (in liquid). When the Press value displayed on the balance becomes stable, press key.
  • Page 80 Entering the density directly ( ldin 1 The density currently set (unit : g / cm , factory setting : 1.0000g / cm ) is displayed. Use the following keys to change the value. The range to set the density is 0.0000g / cm to 1.9999g / cm key ...

  • Page 81: Standard Input & Output Interface

    16. Standard Input & Output Interface 16-1. RS-232C And External Contact Input D-Sub 25 pin numbers M2.6 ISO metric screw thread D-Sub 25 pin assignments Pin No. Signal name Interface type Direction Description Frame ground RS-232C Input Receive data RS-232C Output Transmit data RS-232C...
  • Page 82 RS-232C Terminals Computer side Balance side Inside of balance Terminals sample External contact input By connecting pin 18 (PRINT command) to Example of foot switch pin 7, or pin 19 (RE-ZERO command) to pin Connector 7 for 100 ms or more, the same operation as AX-HDB-25P performed by pressing the key or...

  • Page 83: Connection To Peripheral Equipment

    Connection to peripheral equipment 16-2. 16-2-1. Connection To The AD-8121B Printer Preset the following parameters to use the AD-8121B printer. Item and Parameter Factory AD-8121B AD-8121B AD-8121B Class settings MODE 1 MODE 2 MODE 3 0,1,2 0,1,2 Data output mode ap-p Auto print polarity necessary...
  • Page 84 16-2-2. Connection To A Computer And The Use Of WinCT The 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 type: straight-through).

  • Page 85: Commands

    17. Commands 17-1. Command List 5if Crlf Note A command has a terminator added, that is specified using " " of the function table, and is sent to the balance. Commands to query weighing data Cancels the S or SIR command. Requests the weighing data immediately.

  • Page 86: Acknowledge Code And Error Codes

    Commands to control the balance Same as the RE-ZERO Same as the key. SAMPLE Same as the MODE Recalls the unit mass values in memory. mm: 01 to 50. UN:mm Changes the unit mass value. Use "g" of unit. ~ is space mark. Example: the unit mass value is 2000.0 g.

  • Page 87: Control Using Cts And Rts

    17-3. 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 RTS line. Ct5 1 The CTS line is kept Hi normally.

  • Page 88: Maintenance

    18. Maintenance 18-1. Treatment Of The Balance In normal use, the balance can be cleaned with water. But, keep the following precautions so that dust and water do not invade the balance. Do not direct water pressure at the bottom of the balance. Do not use powerful water jets.

  • Page 89: Troubleshooting

    19. Troubleshooting 19-1. Checking The Balance Performance And Environment The balance is a precision instrument. When the operating environment or the operating method is inadequate, correct weighing can not be performed. Place a sample on the pan and remove it, and repeat this several times. if the balance seems to have a problem with repeatability or to perform improperly, check as described below.

  • Page 90: Error Codes

    19-2. Error Codes Display Error code Description Stability error The balance can not stabilize due to an environmental problem. Check around the pan. Refer to "3. Precautions". EC,E11 Prevent vibration, drafts, temperature changes, static electricity and magnetic fields, from influencing the balance. To return to the weighing mode, press the key.
  • Page 91 Display Error code Description Automatic response adjustment zero error The automatic response adjustment can not be performed because there is something on the pan. Clear the pan. Press key to return to the weighing mode. Automatic response adjustment unstable error The automatic response adjustment can not be performed because the weight value is unstable.

  • Page 92: Other Display

    Display Error code Description Timeout error If the timeout parameter is set to " ", the balance did not t-Up1 EC,E03 receive the next character of a command within the time limit of one second. Confirm the communication. Excess characters error EC,E04 The balance received excessive characters in a command.

  • Page 93: Specifications

    20. Specifications GX-8K GX-8K2 GX-10K GX-12K GX-20K GX-30K GX-32K Weighing capacity 8.1 kg 10.1 kg 12 kg 21 kg 31 kg 31 kg 8.1008 kg 31.008 kg Maximum display 8.10084 kg 10.10084 kg 12.0084 kg 21.0084 kg 31.0084 kg 2.10009 kg *1 6.1009 kg *1 Minimum weighing value (1 digit) 0.01 g...
  • Page 94 GF-8K GF-8K2 GF-10K GF-12K GF-20K GF-30K GF-32K Weighing capacity 8.1 kg 10.1 kg 12 kg 21 kg 31 kg 31 kg 8.1008 kg 31.008 kg Maximum display 8.10084 kg 10.10084 kg 12.0084 kg 21.0084 kg 31.0084 kg 2.10009 kg *1 6.1009 kg *1...

  • Page 95: External Dimensions

    20-1. External Dimensions Unit: mm...

  • Page 96: Options And Peripheral Instruments

    20-2. Options and Peripheral Instruments AD-8121B Printer Compact dot-matrix printer Statistical function, clock and calendar function, interval print function, graphic print function, dump print mode 5 x 7 dots, 16 characters per line Print paper (AX-PP143, 45 (W) x 50 (L) mm , ø65 mm) AC adapter or alkaline battery Options Order code...
  • Page 97 Accessories Order code Name and description Rechargeable Battery AD-1682 This option allows use of the balance in a place where AC power is not available. Keyboard Adapter AD-8524A/B This option can be used to connect the balance to a personal computer with appropriate OS and applications.

  • Page 98: Terms/Index

    21. Terms/Index 21-1. Terms Calibration Adjustment of the balance so that it can weigh accurately. Calibration weight A weight used for calibration Data number Numbers assigned sequentially when weighing data or unit weight is stored. Digit The minimum weighing value available. Used for the balance, one digit is the smallest mass that can be displayed.
  • Page 99 Stable value The stable weight data, indicated by the illuminated stabilization indicator. Stabilization time Time required after a sample being placed, until the stabilization indicator illuminates and the weighing data is displayed. Store To save the weighing data, unit mass or calibration data using the data memory function.

  • Page 100: Index

    21-2. Index CC out Calibration test........28 Unit of percent mode....... 19 CH 0 Response error.......89 CAL key ........... 10 CH ng Check NG ........23 CH no MODE key ........10 Check NO ........23 ..........34 Cl adj Clock ON OFF key ........10 Initializing the balance....32 Cond Condition........
  • Page 101 GX-06K ............94 Repeatability............96 GX-07K ............94 Re-zero ............96 Calibration result......56 Display at start......34, 38 Hold Hold function......34, 37 RsCom ............82 ID number setting......36 RsKey ............82 ID Number ............52 Clock battery error......89 info GLP output........36 ............85 Interval time ........35 5-id ID number output.....
  • Page 102 MEMO...

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