A&D GX-203A Instruction Manual
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A&D GX-203A Instruction Manual

Gx-a series; gx-f series multi-function balance
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GX-A SERIES
GF-A SERIES
Multi-Function Balance
INSTRUCTION MANUAL
ＧＸ－Ａ series
GX-203A/GX-303A/GX-403A/GX-603A/GX-1003A/GX-1603A
GX-2002A/GX-3002A/GX-4002A/GX-6002A/GX-10002A
GX-6001A/GX-10001A
ＧＦ－Ａ series
GF-203A/GF-303A/GF-403A/GF-603A/GF-1003A/GF-1603A
GF-2002A/GF-3002A/GF-4002A/GF-6002A/GF-10002A
GF-6001A/GF-10001A
1WMPD4003475

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  • Page 1 GX-A SERIES GF-A SERIES Multi-Function Balance INSTRUCTION MANUAL ＧＸ－Ａ series GX-203A/GX-303A/GX-403A/GX-603A/GX-1003A/GX-1603A GX-2002A/GX-3002A/GX-4002A/GX-6002A/GX-10002A GX-6001A/GX-10001A ＧＦ－Ａ series GF-203A/GF-303A/GF-403A/GF-603A/GF-1003A/GF-1603A GF-2002A/GF-3002A/GF-4002A/GF-6002A/GF-10002A GF-6001A/GF-10001A 1WMPD4003475...
  • Page 2 © 2017 A&D Company Ltd. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, or translated into any language in any form by any means without the written permission of A&D Company Ltd. The contents of this manual and the specifications of the instrument covered by this manual are subject to change for improvement without notice.

  • Page 3: Table Of Contents

    Contents 1. Introduction ........................4 1-1 Features ............................... 4 1-2 About The Models ............................5 1-3 Compliance ..............................5 2. Unpacking The Balance ..................... 7 2-1 Installing The Balance ..........................9 2-2 Precautions ..............................9 2-3 During Use ..............................10 2-4 After Use ..............................
  • Page 4 9-2 Initializing The Balance ..........................38 10. Function Table ........................ 39 10-1 Setting The Function Table ........................39 10-2 Details Of The Function Table........................41 10-3 Description Of The Class "Environment, Display" ................... 48 10-4 Clock And Calendar Function ........................50 10-5 Comparator Function ..........................
  • Page 5 21-1 Treatment Of The Balance ........................92 22. Troubleshooting......................92 22-1 Checking The Balance Performance And Environment ................92 22-2 Error Codes .............................. 94 22-3 Other Display ............................97 22-4 Asking For Repair ............................. 97 23. Specififations ........................98 23-1 GX-A series 0.001g models ........................98 23-2 GX-A series 0.01g models ........................

  • Page 6: Introduction

    1. Introduction This manual describes how the GX-A/GF-A series balance works and how to get the most out of it in terms of performance. Read this manual thoroughly before using the balance and keep it at hand for future reference. This manual consists of the following five parts: Basic operation .........

  • Page 7: About The Models

    Model Minimum Applicable model display Internal mass type General type 0.001g model 0.001g GX-203A / GX-303A / GF-203A / GF-303A / GX-403A / GX-603A / GF-403A / GF-603A / GX-1003A / GX-1603A GF-1003A / GF-1603A 0.01g model 0.01g...

  • Page 9: Unpacking The Balance

    2. Unpacking The Balance The balance is a precision instrument. Unpack the balance carefully. Keep the packing material to be used for transporting the balance in the future. The packing contents depend on the balance model. See the illustrations to confirm that everything is contained.
  • Page 10 GX-A / GF-A 0.01g/0.1g models Weighing pan Pan support receptor Dust plate for 10mg Main unit Display Bubble spirit level Main unit rear side AC adapter jack AC adapter plug RS-232Cinterface USB interface Keys Antitheft hole Leveling foot * Please prepare the security cable by AC adapter yourself** AC adapter ID...

  • Page 11: Installing The Balance

    2-1 Installing The Balance Install the balance as follows: 1. Refer to “2-2. PRECAUTIONS” for installing the balance. 2. Assemble the balance as shown in the illustration above. 3. Adjust the leveling feet to level the balance. Confirm it using the bubble spirit level. 4.

  • Page 12: During Use

    How to adjust the bubble spirit level Down Red circle Leveling foot Leveling foot Down Bubble Bubble spirit level When the bubbles is off to the right. When the bubbles is off to the left. Turn the leveling foot on the front right Turn the leveling foot on the front right in the clockwise direction.

  • Page 13: After Use

    Cancel the temperature difference between a sample and the □ environment. When a sample is warmer (cooler) than the ambient temperature, the sample will be lighter (heavier) than the true weight. This error is due to a rising (falling) draft around the sample. Convection □...

  • Page 14: Display Symbols And Key Operation

    3.Display Symbols And Key Operation Display symbols Number of statistical data (Statistical calculation mode) Displays the weight data relative to the weighing capacity, in percentage, in the weighing mode (Capacity indicator) Battery mark Preset tare mark Response indicators Gross mark Comparator indicators Net mark Animal weighing mark...
  • Page 15 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” Press the key. Press and hold the key.

  • Page 16: Weighing Units

    4. Weighing Units 4-1 Units With the GX-A /GF-A series balance, the following weighing units and weighing modes are available : mom dwt Counting mode Percent mode Density mode (To use this mode, it must be stored in the function table as described on page 15.
  • Page 17 The tables below indicate the weighing capacity and the minimum display for each unit, depending on the balance model. GX-203A GX-303A GX-403A GX-603A GX-1003A GX-1603A Minimum Unit display GF-203A GF-303A GF-403A GF-603A GF-1003A GF-1603A Capacity Gram 1100 1620 0.001 Ounce (Avoir) 7.76...
  • Page 18 GX-6001A GX-8001A Minimum Unit display GF-6001A GF-8001A Capacity Gram 6200 10200 Ounce (Avoir) 0.005 Pound 13.6 22.4 0.0005 Pound/Ounce 13Lb 10.69oz 22Lb 7.79oz 0.01oz Troy Ounce 0.005 Metric Carat 31000 51000 Momme 1653 2720 0.05 Pennyweight 3986 6558 Grain (UK) 95680 157410 Tael (HK general,...

  • Page 19: Storing Units

    4-2 Storing Units The units or modes can be selected and stored in the function table. The sequence of displaying the units or modes can be arranged to fit the frequency of use. The units stored are maintained in non-volatile memory, even if the AC adapter is removed. Select a unit or mode and arrange the sequence of display as follows: ba5fnc 1 Press and hold the SAMPLE key until...
  • Page 20 Unit setting example The example below sets the units in the order with g (gram) as the first unit followed by pc (counting mode). Press and hold the SAMPLE key until ba5fnc of the function table is displayed, then release the key. Press and hold Press Press the SAMPLE key several times to display 1Unit .

  • Page 21: Weighing

    5.Weighing 5-1 Basic Operation 1. Press MODE key, and then select the appropriates units（ ） In this case, select " ". Weighing 2. Place a container on the weighing pan, if necessary. Press the RE-ZERO key to cancel the weight (tare). The balance 0.
  • Page 22 When in excess in negative, -E is displayed. Model Power on zero range Zero range -E display range GX-203A GF-203A Approx.-100g or less Approx.±100g Approx.±4g GX-303A GF-303A Approx.-100g or less Approx.±100g...

  • Page 23: Counting Mode（Pcs

    5-2 Counting Mode（PCS） This is the mode to determine the number of objects in a sample based on the standard sample unit mass. Unit mass means the mass of one sample. The smaller the variables in each sample unit mass is, the more accurate the counting will be.
  • Page 24 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 After registering unit mass of "Step 6", proceed to the following "Step 8". Processing mark 8.

  • Page 25: Percent Mode (％)

    5-3 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 1. Press the key to select the unit (Percent mode).

  • Page 26: Animal Weighing Mode（Hold Function

    5-4 Animal Weighing Mode（Hold Function） This is the mode to weigh a moving object such as an animal, even when the display of the weighing data fluctuates. The hold function allows the average weight of the animal to be displayed. To use the hold function, set the function in the function table. Refer to "10. Function Table"...

  • Page 27: Impact Detection Function

    6. Impact Detection Function The GX-A / GF-A series has a function to detect impact to the mass sensor section and to display the impact level. By lowering the impact level at the time of loading, it is possible not only to alleviate variation in the weighing value but also to reduce the risk of failure of the mass sensor section.

  • Page 28: Response Adjustment / Self Check Function

    7. Response Adjustment / Self Check Function This function stabilizes the weight value, reducing the influence on weighing that is caused by drafts and/or vibration at the place where the balance is installed. This function adjusts by automatically analyzing the environment or by hand-operation.

  • Page 29: Self-Check-Function / Automatic Setting Of Minimum Weight Value

    7-2 Self-Check-Function / Automatic Setting Of Minimum Weight Value With the self-diagnosis function confirmation and display of repeatability can be performed in addition to failure diagnosis, and whether or not the balance's performance is being exhibited can be easily checked. It is also possible to display and register the reference value of the minimum weighing value using repeatability data.

  • Page 30: Calibration

    8.Calibration Since the balance's resolution is high, weighing values may change due to gravity and daily environmental changes. It is necessary to perform calibration (sensitivity adjustment) with the weight in order to keep the weighing values from changing even if gravity or the environment changes. It is recommended that you calibrate if the balance is installed for the first time or relocated, or when the weighing values change significantly in daily inspection, etc.

  • Page 31: Automatic Self Calibration For The Gx-A Series

    Factory Adjustable Model Usable calibration weight setting range GX-203A , GF-203A 50g, 100g, 200g 200g GX-303A, GF-303A 50g, 100g ~ 300g (100g interval) 200g GX-403A, GF-403A 50g, 100g ~ 400g (100g interval) 400g -9.999g ~ +9.999g GX-603A, GF-603A 50g, 100g ~...

  • Page 32: One-Touch Calibration For The Gx-A Series

    8-2 One-Touch Calibration For The GX-A Series This function calibrates the balance using the internal mass. Step1 Connect the AC adapter and warm up the balance for at least 30 minutes with nothing on the weighing pan. Step 2 Press the CAL key.The balance displays Calin and performs calibration using the internal mass.

  • Page 33: Calibration Using An External Weight

    8-3 Calibration Using An External Weight This function calibrates the balance using an external weight. Press and Hold Step 1 Connect the AC adapter and warm up the (Displayed only on GX-A series) balance for at least 30 minutes with nothing on the weighing pan.

  • Page 34: Calibration Test Using An External Weight

    8-4 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 the GLP output Press and Hold doutinfo1 parameter is set to " . (Calibration test does not perform calibration) (Displayed only on Release...

  • Page 35: Correcting The Internal Mass Value Of The Gx-A Series

    8-5 Correcting The Internal Mass Value Of The GX-A series Internal mass value can be corrected with function setting There are two correction methods, as follows. Auto ········ This is a method of correcting the internal mass weight value based on an external weight. Manual ····...

  • Page 36: Correcting The Internal Mass Value Of The Gx-A Series (Auto)

    The available masses are as shown in the table below. The corrected mass value is maintained in non-volatile memory even if the AC adapter is removed. Factory Adjustable Model Available mass setting range Place GX-203A, GF-203A 50g, 100g, 200g 200g GX-303A, GF-303A 50g, 100g ~ 300g (100g interval) 200g During calibration GX-403A, GF-403A...

  • Page 37: Correcting The Internal Mass Value Of The Gx-A Series (Manual)

    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: Model Target Range Model Target Range GX-203A 200.000g GX-2002A 2000.00g ±9.999g ±99.99g GX-303A 200.000g GX-3002A 2000.00g...

  • Page 38: Function Switch And Initialization

    9.Function Switch And Initialization 9-1 Permit Or Inhibit The balance stores parameters that must not be changed unintentionally adjustment data for accurately weighing, data for adapting to the usage environment, data to control the communications interface, etc. "A function selection switch" is provided to protect those parameters and it can be used to select "change prohibited"...
  • Page 39 Example of GF-A 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. No function Calibration using an external weight To inhibit calibration using an external weight. To permit calibration using an external weight.

  • Page 40: Initializing The Balance

    9-2 Initializing The Balance This function returns the following parameters to factory settings. Calibration data □ Function table □ The sample unit mass value (counting mode), 100% reference mass value (percent mode) □ The data that is stored in the balance using the data memory function □...

  • Page 41: Function Table

    10.Function Table The 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. The function table menu consists of two layers. The first layer is the "Class" and the second layer is the "Item".

  • Page 42: Setting Example

    Setting Example This example sets "Stores weighing data" for "Data memory" and "1 minute" for "Interval time". Step1 Step1 Keep pressing and holding Classification item Step2 Step2 Press several times Step3 Step3 Step4 Press 6 times Setting item Setting item "Data memory function"...

  • Page 43: Details Of The Function Table

    10-2 Details Of The Function Table Class Item Description Parameter Cond Fast response, sensitive value Can be changed by response Condition adjustment. With "Hold 1", sets the averaging time. Slow response, stable value The stabilization indicator 5t-b Stable when within ± 1 digit illuminates with the display Stability band width fluctuation within the range.
  • Page 44 Class Item Description Parameter No comparison Cp fnc Comparison when stable value or overloaded Comparator mode Comparator Continuous comparison Cp-t 3 stage comparator HI, OK, LO Number of comarator 5 stage comparator HH, HI, OK, LO, LL stages Also comare near zero ±...
  • Page 45 Parameter Class Item Description bep HH Displayed only when 5 step HH buzzer comparator is set. bep Hi Cp beep HI buzzer Comparator buzzer OK buzzer bep lo LO buzzer bep ll Displayed only when 5 step comparator is set. LL buzzer Accepts the PRINT key only when Key mode...
  • Page 46 Item Class Parameter Description dout data Refer to "12*Data Memory" Stores unit mass in counting mode Data memory Data output mode Stores the weighing data and calibration history Interval time in the interval Every measurement memory mode when using Interval time 2 seconds prt6.
  • Page 47 Class Item Description Parameter All communication setting are possible. can be selected. Printer Only Access point Serial interface External indicator 600bps 1200bps Baud rate 2400bps 4800bps 9600bps 19200bps 38400bps 7 bit EVEN btpr 7 bit ODD Data bit, parity bit 8 bit None Crlf CR: ASCII 0Dh code...
  • Page 48 Class Item Parameter Description Normal weighing mode Capacity indicator ap fnc Application Statistical calculation mode mode Application Flow measurement mode function Gross, Net, Tare mode Number of data, sum 5taf Number of data,sum,max,min,range(max-min),average Statistical function mode output items. Number of data,sum,max,min,range(max-min),average, standard deviation,coefficient of variation Number of data,sum,max,min,range(max-min),average, standard deviation,coefficient of variation,relative error...
  • Page 49 Class Item Description Parameter Refer to "19. Password Lock Function" Lock function Password lock Administrator password input Password registration Operator 1 password input Operator 10 password input Cfnc Setting temparature Setting time Calibration mode Auto calibration Interbal time Refer to "8-1 Automatic Self calibration" Setting time1 Setting time2 Setting time3...

  • Page 50: Description Of The Class "Environment, Display

    Greater 16.7% ※ Animal container kit (GXA-12) can be installed except GX-203A. 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.
  • Page 51 Display refresh rate ( 5pd ) The periodic time to refresh the display. This parameter influences "Baud rate", "Data output pause" and the data output rate of "Stream mode". Decimal point ( pnt ) The decimal point format can be selected. Auto display-ON ( p-on ) When the AC adapter is plugged in, the display is automatically turned on without the ON:OFF key operation, to display the weighing mode.

  • Page 52: Clock And Calendar Function

    10-4 Clock And Calendar Function The balance is equipped with a clock and calendar function. When the Clock and Calender function（dout、5-td）is set, the time and date are added to the output data. Set or confirm the time and date as follows: Press and hold Operation ba5fnc...
  • Page 53 Setting the date Step7 Set the date using the following keys. (＋)key ..To increase the value by one. RE-ZERO key ... To decrease the value by one. MODE (－) key ..To select the digits to change the value. SAMPLE The selected digits blink.

  • Page 54: Comparator Function

    10-5 Comparator Function The comparison of comparators can select 3-steps or 5-steps (Cp fnc, Cp-t), and it is set to 3-steps at the factory setting. When 3-step comparator is set, the results of the comparison are indicated by HI LO on the display.
  • Page 55 Example1 （Comparison when the weighing data is stable or overloaded, excluding "near zero" ± 20 digit, upper limit and lower limit.） Selecting a comparator mode Step1 Press and hold the SAMPLE key until ba5fnc of the function table is displayed, then release the key.
  • Page 56 Example 2 （Continuous comparison, including "near zero", reference value and tolerance value.） Selecting a comparator mode ba5fnc Step1 Press and hold the SAMPLE key until of the function table is displayed, then release the key. Step2 Press the SAMPLE key several times to display Cp fnc . Step3 Press the PRINT key.

  • Page 57: 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) or Good □ Manufacturing Practice (GMP) is used. □ The data output compatible with "GLP/GMP" can be output to a personal computer or printer using the RS-232C serial interface.
  • Page 58 Display correspondence table 11 Segment A B C D E F G H 0 1 2 3 4 5 6 7 8 9 J K L M N O P Q R S T U V W X Y Z Space 7 Segment 0 1 2 3 4 5 6 7 8 9...

  • Page 59: Glp Report

    11-2 GLP Report info 1 Set the function setting to " " for output of GLP / GNP data. Output to a mini-printer "AD-8121B". □ Set the "GLP report (info)" parameter to "1" . Turn on the DIP switch No. 2 of the printer and change the print mode to MODE 3. Output to a mini-printer "AD-8126".
  • Page 60 Calibration report using an external weight This is the GLP report when the balance is calibrated using the external weight. Setting of info 1 Setting of info 1 Printer format PC format <TERM> Manufacturer A & D A &　D <TERM> Model MOD EL G X-10 002A...
  • Page 61 Heading and ending output Application / Operation As a method of managing weighing values, add "Heading" and "End" parts before and after the weighing value. By pressing and holding the PRINT key, "Heading" and "End" are output in turn. Note data 0 If the data memory function is used (except when ), heading and end cannot be output..

  • Page 62: Data Memory

    12.Data Memory Data memory is a function to store weighing data and calibration data in memory. The data stored in memory are available for outputting at one time to a printer or personal computer. The following five types of data can be stored. Unit mass (Counting mode) Up to 50 sets Weighing value...
  • Page 63 Setting the function table Parameter settings for each output mode are as follows: Auto print Data Item Data output polarity, memory Interval time Mode mode difference function data 2 Key mode prt 0 Not used prt 1 data 2 Auto print mode A ap-a 0 ～...

  • Page 64: Data Memory For Calibration And Calibration Test

    Transmitting all memory data at one time Confirm that the "Serial interface (5if)" parameters are set properly. Refer to "10. Function Table" and "Communication Manual " on the A&D website. 1. Press and hold the PRINT key until is displayed, then release the key. 2.
  • Page 65 Transmitting the memory data Step1 Press and hold the CAL key during weighing display. When displayed, release your finger from the key to Press and hold display Step2 Press the PRINT key to display Release Step3 Change the with the RE-ZERO key. Display the Step4 Press the PRINT key to start output at one time while is displayed.
  • Page 66 Deleting data stored in memory 1. Press and hold the key until is displayed, then release the key. is displayed. 2. Press the key to display SAMPLE Press and hold 3. Press the key to display PRINT 4. Press the RE-ZERO key to change Release Display 5.

  • Page 67: Statistical Calculation Mode

    13.Statistical Calculation Mode The statistical calculation mode statistically calculates the weight data, and displays or outputs the results. To use the statistical calculation mode, set the "Application function (apf)" parameter of “Application (ap fnc)” in the function table to “2”, as described below. Statistical items available are number of data, sum, maximum, minimum, range (maximum-minimum), average, standard deviation and coefficient of variation.
  • Page 68 Selecting the statistical items to output 5. Press the SAMPLE key to display 6. Press the RE-ZERO key to select the output items. In the example, output the number of data, sum, maximum, minimum, range (maximum-minimum) and average are selected. Parameter Description Number of data, sum...
  • Page 69 (2) Using The Statistical Calculation Mode Entering data for statistical calculation Use the following keys to operate the statistical calculation mode. MODE key ....When the data is entered, moves between the displaying items (weighing mode, statistical results and data operation) each time the key is pressed. When no data has been entered, selects the unit.
  • Page 70 Outputting the statistical results Each time the MODE key is pressed, the display changes: the results as selected in “Statistical function mode output items (5taf)”, and Display the statistical result Output the statistical result Notes When the number of data is 1, the coefficient of 4.
  • Page 71 Clearing the statistical data All the statistical data will be deleted and the number of data will be 0 (zero). 1 In the weighing mode, press the MODE key, to display 2 Press the PRINT key to display 3 Press the RE-ZERO key to display Press several times 4 Press the PRINT key to delete the statistical data.

  • Page 72: Statistical Calculation Mode (Example Of Use)

    13-2 Statistical Calculation Mode (Example Of Use) Here, as an example of use of the statistical calculation mode, mixing of the multiple formulae such as medicine is described. The mixing process is recorded using the balance and the printer. In the example, the GX-303A and the AD-8126 or AD-8127 are connected using the RS-232C serial interface.
  • Page 73 (2) Using The Statistical Calculation Mode 1 Press the RE-ZERO key to set the display to zero. 2 Place a container on the weighing pan. Press the PRINT key to cancel the weight (tare). The balance displays . (Storing the tare value) The tare value data is output when the peripheral output Container equipment is connected.

  • Page 74: Flow Measurement

    14.Flow Measurement The balance has a "flow mode" that calculates the amount of change in the weighing value per hour. To use the statistical calculation mode, set the "Application function (apf)" parameter of “Application (ap fnc)” in the function table to “3”, as described below. Calculating the flow rate from the weight output of the balance may change the number of weighing values per unit time, so there is a possibility that the result will not be correct.

  • Page 75: How To Use Flow Measurement

    14-1 How To Use Flow Measurement Enable flow rate measurement Press and hold Switch flow rate measurement (Change the Function Table) 1 Press and hold the SAMPLE key until ba5fnc of the function table is displayed, then release the key. 2 Press the SAMPLE key several times to display ap fnc .
  • Page 76 Change display After returning to the weighing value display after setting to flow mode, Total amount the unit is "g" with the indicator on. display Use the MODE key to switch between flow rate display and "g" display. Total amount By switching, the total amount and flow rate can be checked.

  • Page 77: Flow Measurement Setting

    Method of reading density number When flow unit is mL/*, up to 10 densities can be registered. To register a new density, read the unconfigured density number and then register according to the procedure of the setting method of calculation time. Continuing to hold down the PRINT key in weighing display Weighing display displays...
  • Page 78 In the case of using 0.1g model Flow rate Response priority ← Ct setting → Accuracy priority (mL/min) 1sec 2sec 5sec 10sec 20sec 30sec 1min 2min 5min 10min 0.01 0.02 0.05 Example) When measuring the flow rate of 0.02 ml/min Set the calculation time in 5minutes or more In the case of using 0.01g model Flow rate...

  • Page 79: Gross Net Tare Function

    15.Gross Net Tare Function Even a small tare in the zero range can be recognized as a tare, you can manage the tare value. To use this function, enter the Function table as follow, and set "Application Function ap fnc " to "4 " in "Application mode apf ".

  • Page 80: Example Of Using The Gross Net Tare Function

    Output 1 Every time pressing the PRINT key, it will output in the order of "NET"(object), "GROSS"(total amount), "TARE"(tare). 2 By using the UFC function, it can be set the output contents and order. 3 Output format is A&D standard format only. Output example S T, G , +0 0 0 4 5.

  • Page 81: Minimum Weighing Warning Function

    16.Minimum Weighing Warning Function The minimum weighing value is the minimum necessary amount of sample to be used for correctly performing quantitatively performing quantitative analysis, taking into consideration measurement error of the balance. If the amount of sample is too small, the proportion of the measurement error in the measured value increases accordingly, and the reliability of the analysis result may drop.
  • Page 82 Setting confirmation and changing method from the weighing display Press the MODE key in the weighing display. 2. The current setting minimum weighing value blinks. 3. Press the PRINT key. Set the minimum weighing value. The minimum weighing value can be changed by the following key operation.

  • Page 83: Underhook

    17.Underhook The underhook can be used for magnetic materials or density measurement. The built-in underhook is revealed by removing the plastic cap on the bottom of the balance. Use the underhook as shown below. Caution □ Do not apply excessive force to the underhook. □...

  • Page 84: Programmable-Unit

    18.Programmable-Unit 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 the coefficient set is beyond the range, an error is displayed and the balance returns to the coefficient setting mode, prompting to enter an appropriate value.

  • Page 85: Density Measurement

    19.Density Measurement The balance is equipped with a density mode. It calculates the density of a solid using the mass value of a sample in air and the mass value in liquid. For measurement, it use of the option GXA-13 specific gravity measurement kit is remommended. Note □...

  • Page 86: Function Setting

    （２） （ ） Method of measuring density (specific gravity) of solid function setting Note □ Re-set the density of the liquid with "(3) Entering the density of a liquid" as necessary, such as when the temperature of the liquid changes during measurement or when changing the type of liquid. In the density display, the four digits after the decimal point are fixed.
  • Page 87 （３）Entering the density of a liquid Two ways to set the density of a liquid are available in the function table, "Liquid density input (ldin): by entering the water temperature or by entering the density directly. （ ） Entering the water temperature The water temperature currently set (unit:°C, factory setting : 25°C) is displayed.
  • Page 88 （４） （ ） Measuring the density of a liquid Function table Density display is four decimal places. Minimum display can not change with the SAMPLE key. Denisty is displayed after "Mass measurement in air" and "Mass measurement in liquid" From liquid density input The procedure of each measurements is as follows: Measuring procedure 1.
  • Page 89 （５）Entering the volume of the float The volume of the float that is currently set is displayed. Factory setting is 10.00ｃｍ （ ） Change the setting value as follows. , every The setting range is 0.01ｃｍ to 99.99ｃｍ 0.01ｃｍ Key ... The key to set the value of the blinking digit . RE-ZERO (＋) key ..

  • Page 90: Password Lock Function

    20.Password Lock Function The password function can be specified for an authorized user by using a password stored in the balance by manager. While the password function is used, the balance can not be weighed without inputting the correct password. There are two login levels : administrator ( ) and user ( User can individually set the password for 10 people.

  • Page 91: Changing Password

    20-2 Changing Password The password can be changed at "Password ( )" of the Function Table. 1. Press and hold the SAMPLE key in the weighing mode. ba5fnc is displayed. 2. Press the key several times until is displayed. SAMPLE 3.
  • Page 92 How to delete the password （ .1～10） Press and hold the CAL key to display and blink the when setting the password. Press the PRINT key to display Press the RE-ZERO to change Press the PRINT when to delete the password.

  • Page 93: Inputting Password When Turning On The Balance

    20-3 Inputting Password When Turning On The Balance When turning on the balance with the password function ON, the password input is displayed before the weighing display. ON:OFF 1. Turn on the balance using the key. " is displayed and of the password input is displayed.

  • Page 94: Maintenance

    21.Maintenance 21-1 Treatment Of The Balance □ Clean the balance with a lint free cloth that is moistened with warm water and a mild detergent. □ Do not use organic solvents to clean the balance. □ Do not disassemble the balance. □...
  • Page 95 Sample and container □ Has the sample absorbed or lost moisture due to the ambient conditions such as temperature and humidity? □ Has the temperature of the container been allowed to equalize to the ambient temperature? Refer to "2-3 During Use". □...

  • Page 96: Error Codes

    22-2 Error Codes Display Error code Description Data abnormality of the internal sensor of the balance If this error occurs during weighing and you return to □ the normal weighing state after a certain period of time, there is a possibility that the data temporarily became abnormal due to static electric noise if you are measuring an easily chargeable item.
  • Page 97 Display Error code Description mode. ＥＣ，Ｅ２１ Calibration weight error The calibration weight is too light. Confirm the calibration mass value. Press the CAL key to return to the weighing mode. Overload error A sample beyond the balance weighing capacity has been placed on the pan.
  • Page 98 Display Error code Description An undefined command was received. Confirm the command. ＥＣ，Ｅ０２ Not ready A received command can not be processed. Example: The balance received a "Q" command, but not in the weighing mode. The balance received a "Q" command while processing a RE-ZERO command.

  • Page 99: Other Display

    22-3 Other Display When this indicator ( ) blinks, automatic self calibration is required. The indicator blinks when the balance detects changes in ambient temperature. If the balance is not used for several minutes with this indicator blinking, the balance performs automatic self calibration. The blinking period depends on the operating environment.

  • Page 100: Specififations

    23. Specififations 23-1 GX-A series 0.001g models GX-1603A GX-1003A GX-603A GX-403A GX-303A GX-203A Weighing capacity 1620g 1100g 620g 420g 320g 220g Maximum display 1620.084g 1100.084g 620.084g 420.084g 320.084g 220.084g Minimum display 0.001g 0.002g(1600g) 0.001g Repeatability（Standard 0.001g(1000g) deviation） Linearity ±0.003g ±0.002g Stabilization time 1600g:Approx.1.5 sec...

  • Page 101: Gx-A Series 0.01G Models

    23-2 GX-A series 0.01g models GX-10002A GX-6002A GX-4002A GX-3002A GX-2002A Weighing capacity 10200g 6200g 4200g 3200g 2200g Maximum display 10200.84g 6200.84g 4200.84g 3200.84g 2200.84g Minimum display 0.01g 0.02g(10000g) 0.01g Repeatability（Standard 0.01g(5000g) deviation） Linearity ±0.03g ±0.02g Stabilization time 10kg: Approx. 1.5 sec Approx.1 sec 50kg: Approx.

  • Page 102: Gx-A Series 0.1G Models

    23-3 GX-A series 0.1g models GX-10001A GX-6001A Weighing capacity 10200g 6200g Maximum display 10208.4g 6208.4g Minimum display 0.1g 0.1g Repeatability（Standard deviation） Linearity ±0.1g Stabilization time Approx. 1 seconds (500g: Approx.0.8seconds) （FAST setting, good environment) Sensitivity drift ±2ppm/℃ （Automatic self calibration:OFF） Accuracy after calibration with ±0.5g (5000g) internal mass※...

  • Page 103: Gf-A Series 0.001G Models

    23-4 GF-A series 0.001g models GF-1603A GF-1003A GF-603A GF-403A GF-303A GF-203A Weighing capacity 1620g 1100g 620g 420g 320g 220g Maximum display 1620.084g 1100.084g 620.084g 420.084g 320.084g 220.084g Minimum display 0.001g 0.002g(1600g) 0.001g Repeatability（Standard 0.001g(1000g) deviation） Linearity ±0.003g ±0.002g 1600g: Approx. 1.5 sec Stabilization time Approx.1 sec 5g: Approx.

  • Page 104: Gf-A Series 0.01G Models

    23-5 GF-A series 0.01g models GF-10002A GF-6002A GF-4002A GF-3002A GF-2002A Weighing capacity 10200g 6200g 4200g 3200g 2200g Maximum display 10200.84g 6200.84g 4200.84g 3200.84g 2200.84g Minimum display 0.01g 0.02g(10000g) 0.01g Repeatability（Standard 0.01g(5000g) deviation） Linearity ±0.03g ±0.02g 10kg: Approx. 1.5 sec Stabilization time Approx.1 seconds 50g: Approx.

  • Page 105: Gf-A Series 0.1G Models

    23-6 GF-A series 0.1g models GF-10001A GF-6001A Weighing capacity 10200g 6200g Maximum display 10208.4g 6208.4g Minimum display 0.1g 0.1g Repeatability（Standard deviation） Linearity ±0.1g Stabilization time Approx. 1 sec (500g: Approx.0.8 sec) （FAST setting, good environment) Sensitivity drift ±2ppm/℃ （Automatic self caliration OFF） Accuracy after calibration with ±0.5g (5000g) internal mass※...

  • Page 106: External Dimention

    24. External Dimention GX-203A / GX-303A / GX-403A / GX-603A / GX-1003A / GX-1603A GF-203A / GF-303A / GF-403A / GF-603A / GF-1003A / GF-1603A ※1 Opening width when transparent plate is removed. ※2 Inside dimension ※3 Weighing pan size ※4 Height from the weighing pan to the lid of the breeze break.
  • Page 107 GX-2002A / GX-3002A / GX-4002A / GX-6002A / GX-10002A/ GX-6001A/ GX-10001A GF-2002A / GF-3002A / GF-4002A / GF-6002A / GF-10002A/ GF-6001A/ GF-10001A ※3 Weighing pan size ※6 Position under the floor weighing platform. ※7 DC jack protruding dimension of AC adapter.

  • Page 108: Options And Perpheral Instruments

    24-1 Options And Perpheral Instruments Options GXA-03： RS-232C interface insulation type □ RS-232C Interface insulation type for expansion GXA-04： Comparator output (Relay / with a Buzzer) □ Outputs comparator results. GXA-06： Analog voltage output □ This option outputs a voltage of 0 to1V (or 0.2 to1V). GXA-08：...
  • Page 109 Peripheral devices AD-8920A： Remote Display □ This option can be connected to the balance using the RS-232C interface or current loop and displays the weighing data transmitted by the balance. AD-8922A： Remote Controller □ This option can be connected to the balance using the RS-232C interface and can control the balance remotely.
  • Page 110 MEMO...
  • Page 112 3-23-14 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, JAPAN Telephone: [81] (3) 5391-6132 Fax: [81] (3) 5391-6148 A&D ENGINEERING, INC. 1756 Automation Parkway, San Jose, California 95131, U.S.A. Telephone: [1] (408) 263-5333 Fax: [1] (408)263-0119 A&D INSTRUMENTS LIMITED Unit 24/26 Blacklands Way, Abingdon Business Park, Abingdon, Oxfordshire OX14 1DY United Kingdom Telephone: [44] (1235) 550420 Fax: [44] (1235) 550485 A&D AUSTRALASIA PTY LTD...

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