Summary of BM-20
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Analytical balance bm-20 bm-22 bm-252 bm-200 bm-300 bm-500 1wmpd4002195b.
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? 2013 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 cover...
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Bm series 1 contents basic operation 1. Introduction.............................................................................................................................. 3 1.1. Features.............................................................................................................
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2 bm series 10.3. Description of the class "environment, display"............................................................. 43 10.4. Description of the item "data output mode" ................................................................... 45 10.5. Description of the item "data format"..........
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Bm series 3 1. Introduction this manual describes how the bm series balances 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. About this manual this manual consists of the following five p...
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4 bm series 1.1. Features a built-in dc static eliminator can eliminate static electricity from the weighing sample before the measurement, reducing weighing error. Each electrode unit of the eliminator is designed to be removed, cleaned and replaced. Automatic self calibration, using the internal m...
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Bm series 5 1.2. Compliance 1.2.1. Compliance with fcc rules please note that this equipment generates, uses and can radiate radio frequency energy. This equipment has been tested and has been found to comply with the limits of a class a computing device pursuant to subpart j of part 15 of fcc rules...
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6 bm series 2. Unpacking the balance 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. Parts for each products bm-22, bm-20 bm-252 bm-500, bm-300, bm-200 small weighing large w...
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Bm series 7 grounding terminal anti theft device ac adaptor jack usb interface external key jack cap the terminal with accessory rubber cap when it is not used. Serial interface rs-232c d-sub 9 pins the dc static eliminator electrode units of the dc static eliminator separation plate if unnecessary,...
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8 bm series 3. Installing the balance and precautions 3.1. Installing the balance step 1 refer to " 3.2. Precautions before use (environmental condition and preparations)" concerning the place to install the balance. Place the balance on a firm weighing table. Step 2 assemble the weighing pan and ot...
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Bm series 9 step 3 if the separation plate is not necessary, remove the screw and take it off. Refer to next page " the separation plate". Step 4 adjust the level of the balance using the leveling feet. Step 5 confirm that the ac adaptor type is correct for your local voltage and power receptacle ty...
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10 bm series the separation plate note: take care that the separation plate is not broken when operating it. Removing the separation plate step 1 support the separation plate and remove the screw from the plate. Step 2 lift the plate and remove hooks. Step 3 rotate the plate on the axis of the back ...
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Bm series 11 3.3. Cautions during use (for precision weighing) note the following items to get accurate weighing data. Discharge static electricity from the weighing material. When weighing sample (plastics, insulator, etc.) could have a static charge, the weight value is influenced. Ground the bala...
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12 bm series press the re-zero key before each weighing to prevent possible errors. Avoid foreign matter (dust, liquid or metal fragments) that could get inside the balance. Operate your balance gently. Shorten the operation time as much as possible (opening and closing door, putting and removing sa...
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Bm series 13 4. Display symbols and key operation display the interval memory function is used to store periodical weighing data. Refer to " 12. Data memory". Key operation press and release the key immediately or "click the key" .................................................................. Pre...
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14 bm series 5. Weighing units 5.1. Units the units and weighing modes can be selected and stored in the function table as described in " 5.2. Storing active units". The sequence of displaying them can be arranged to fit the frequency of use. They are stored and are maintained in non-volatile memory...
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Bm series 15 capacity and minimum display for bm-252, bm-500, bm-300, bm-200 the tables below indicate the weighing capacity and the minimum display for each balance. Bm-500 bm-300 bm-200 unit capacity minimum display gram 520 320 220 0.0001 milligram 520000 320000 220000 0.1 ounce (avoir) 18.3 11.2...
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16 bm series capacity and minimum display for bm-22, bm-20 bm-22 is equipped the precision range and standard range of the smart range function. Bm-20 precision range unit capacity minimum display gram 22.0 0.000001 milligram 22000 0.001 ounce (avoir) 0.776 0.0000001 troy ounce 0.707 0.0000001 metri...
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Bm series 17 5.2. Storing active units the units and modes can be selected and stored in the function table. The sequence of displaying them 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. 1 press and hold the ra...
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18 bm series 5.3. Selecting unit and weighing mode preset the sequence of displaying units and weighing modes to fit the frequency of use. Refer to " 5.2 . Storing active units". Pressing the mode key in the weighing mode, the unit and weighing mode can be displayed in order. Bm-22 and bm-20 are pre...
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Bm series 19 5.3.1. Unit setting example the example below sets the units in the order with g (gram) as the first unit followed by pc (counting mode). 1 press and hold the range key until ba5fnc of the function table is displayed in the weighing mode, then release the key. 2 press the range key seve...
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20 bm series 6. Weighing precautions for the weighing operation press the re-zero key each time, before placing a sample on the weighing pan, to prevent possible errors. Place a sample in the center of the weighing pan gently. Temperature changes during measurement may cause weighing error. Shorten ...
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Bm series 21 6.2. Smart range for bm-22 the smart range for bm-22 consists of the standard range and precision range (high resolution). Smart range function these ranges can be switched by the weighing value automatically. When placing the tare weight within the standard range, if pressing the re-ze...
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22 bm series 6.3. 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 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...
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Bm series 23 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 proceed to step 8 after storing a unit mass at last page. 8 ...
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24 bm series 6.4. Percent mode (%) the percent mode displays the weight 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 mode key to select the unit % (percent mode). If the percent mode can ...
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Bm series 25 6.5. Built-in dc static eliminator (neutralization device) the bm series is equipped with four dc static eliminator electrode units to neutralize static electricity from a charged weighing sample. When neutralizing static electricity before weighing, stability can be improved, reducing ...
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26 bm series remote control of the dc static eliminator when specifying "on" to [ad8922a control] in the function settings (8922 ionfnc on), the balance applies the function of the ion key to the mode key on the ad-8922a. When specifying "2" to [external control input ] in the function settings (e-5...
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Bm series 27 6.6. Monitoring clock and environmental sensors in the weighing mode, the built-in clock and environmental sensors (temperature, humidity, air pressure) can be monitored and temperature data can be output with the function settings. Specifications of the environmental sensors sensor res...
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28 bm series 6.7. Repeatability test the repeatability means the weighing error when measuring the same mass repeatedly. The standard deviation is generally used for the indicator of the repeatability. The repeatability test measures the built -in mass 10 times and displays the standard deviation. U...
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Bm series 29 7. Response adjustment this function stabilizes the weight value by reducing the influence on weighing that is caused by drafts and/or vibration at the place where the balance is installed. The adjustment of the function can be performed by analyzing the environment automatically or han...
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30 bm series 7.2. Manual response adjustment 1 press and hold the mode key until response is displayed, then release the key. Press the mode key again quickly. 2 select a setting for the response adjustment using the mode key. Either fast , mid. Or slow can be selected. 3 the balance displays 1 end ...
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Bm series 31 8. Calibration (to adjust the weighing value) 8.1. Calibration group calibration automatic self calibration (calibration due to changes in temperature) calibration using the internal mass (one-touch calibration) calibration using an external weight that you have calibration test calibra...
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32 bm series 8.2. Automatic self calibration (for variation of ambient temperature) automatic self calibration due to changes in temperature this function automatically calibrates the balance when the balance detects an ambient temperature change. If glp output is selected in the function table, the...
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Bm series 33 8.4. Calibration test using the internal mass this function tests the balance accuracy using the internal mass. This is available only when the "glp output (info)" parameter is set to "1" or "2". Calibration test does not perform calibration. 1 connect the ac adapter and warm up the bal...
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34 bm series 8.5. Calibration using an external weight this function calibrates the balance using an external weight. 1 connect the ac adapter and warm up the balance for at least one hour with nothing on the weighing pan. 2 press and hold the cal key until calout is displayed, then release the key....
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Bm series 35 8.6. Calibration test using an external weight this function tests the weighing accuracy using an external weight. This is available only when the "glp output (info)" parameter is set to "1" or "2". Calibration test does not perform calibration. 1 connect the ac adapter and warm up the ...
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36 bm series 8.7. Correcting the internal mass value 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 ...
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Bm series 37 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. The balance is eq...
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38 bm series 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 ex...
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Bm series 39 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...
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40 bm series weighing mode start class finish weighing mode item item "data memory" parameter "stores weighing data" parameter "1 minute" item "interval time" step 1 press and hold step 2 press several times step 3 step 4 press several times step 4 step 5 press 2 times step 6 step 7 step 5 press 5 t...
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Bm series 41 10.2. Details of the function table class item and parameter description 0 fast response, sensitive value fast 1 mid. Cond condition 2 slow response, stable value slow can be changed by response adjustment. 0 stable range is ±1 digit 1 ±2 digit #1 5t-b stability band width 2 stable rang...
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42 bm series class item and parameter description 0 every measurement 1 2 seconds 2 5 seconds 3 10 seconds 4 30 seconds 5 1 minutes 6 2 minutes 7 5 minutes int interval time 8 10 minutes interval time in the interval memory mode when using prt 3,, data 1 off no output d-no data number output on outp...
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Bm series 43 class item and parameter description off no limit t-up timeout on 1 second selects the wait time to receive a command. Off no output 5if serial interface ercd ak, error code on output ak: ascii code 06h 0 water temperature d5 fnc density function ldin liquid density input 1 liquid densi...
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44 bm series stability band width ( 5t-b ) this item controls the width to regard a mass value as a stable value. When the fluctuation per second is less than the parameter, the balance displays the stabilization indicator and outputs or stores the data. The parameter influences the "auto print mode...
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Bm series 45 10.4. Description of the item "data output mode" the parameter setting of "data output mode ( prt )" applies to the performance when the "data memory ( data )" parameter is set to " 2 " (to store the weighing data) and when the data is transmitted using the rs-232c interface. Key mode w...
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46 bm series 10.5. Description of the item "data format" a&d standard format 5iftype0 this format is used when the peripheral equipment can receive the a&d format. If an ad-8121b is used, set the printer to mode 1 or 2. This format consists of fifteen or sixteen characters excluding the terminator. ...
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Bm series 47 mt format 5iftype3 this format is used when the peripheral equipment of other manufacturer is connected. Please note that the connection is not guaranteed. A header of two characters indicates the balance condition. The polarity sign is used only for negative data. The weighing data use...
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48 bm series date dout5-td2or3 the date output order can be changed in " time/date output (5-td)" and "clock ( cl adj )". The year is output in a four-digit format. Time dout5-td1or3 this format outputs time in 24-hour format. Temperature dout5-tpon this format outputs temperature. The unit is "c". ...
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Bm series 49 10.6. Data format examples stable unstable overload positive error overload negative error space, ascii 20h carriage return, ascii 0dh line feed, ascii 0ah.
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50 bm series units a&d d.P. Kf mt g mg counting mode percent mode ounce (avoir) troy ounce metric carat momme pennyweight grain tael (hk general, singapore) tael (hk, jewelry) tael (taiwan) tael (china) tola (india) messghal density space, ascii 20h.
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Bm series 51 store new date store new time the current time new time the current date new date press and hold press several times 10.7. Clock and calendar function the balance is equipped with a clock and calendar function. When the "glp output ( info )" and "time/date output ( 5-td )" is used, the ...
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52 bm series 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 output format for glp / gmp compliant report is selected at "glp output ( info )" of the function table and can be output to a...
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Bm series 53 11.2. Glp report set the following parameters to output the glp / gmp compliant report. Refer to " 16.2. Connection to peripheral equipment" for connection to an ad-8121b. To print the report, set the "glp output ( info )" parameter to " 1 " and use mode 3 of the ad-8121b. If mode1 is u...
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54 bm series calibration test report using an internal mass note calibration test does not perform calibration. Key operation 1 press and hold the cal key to display cc in and release the key. 2 cc is displayed and the balance is tested automatically. 3 the zero point is measured and the weight valu...
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Bm series 55 calibration report using an external weight key operation 1 press and hold the cal key to display cal out and release the key. 2 cal 0 is displayed. 3 when updating the calibration mass value, press the range key and proceed to step 4. When using the preset calibration mass value, proce...
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56 bm series calibration test report using an external weight note calibration test does not perform calibration. Key operation 1 press and hold the cal key to display cc out and release the key. 2 cal 0 is displayed. 3 when updating the target value, press the range key and proceed to step 4. When ...
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Bm series 57 title block and end block when mass 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 mass values in the glp report. Notes to output the report to an ad-8121b , use mode 3 of the ad-8121b. If mode1 is us...
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58 bm series 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. Excluding date and time up to 200 sets weighing data including date and time up to 100 s...
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Bm series 59 12.2. Data memory for weighing data features the balance can store 200 sets of weighing data in memory (if time and date are added, the balance can store 100 sets). Even if the ac adapter is removed, the data is maintained in the memory. It is not necessary to connect a printer or perso...
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60 bm series caution when weighing data is being stored in memory, the data can be output to a personal computer using the rs-232c interface at the same time. " ful " indicates that memory is full or the memory capacity has been reached. More data can not be stored unless the memory data is deleted....
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Bm series 61 recalling the memory data confirm that the "data memory ( data )" parameter is set to " 1 ". 1 press and hold the print key until recall is displayed, then release the key. 2 press the print key to enter the memory recall mode. The type of data appears in the upper left of the display a...
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62 bm series 12.3. Data memory for calibration and calibration test features 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 la...
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Bm series 63 13. Underhook the underhook can be used for magnetic materials or density measurement. The built-in underhook is revealed by removing the cap on the bottom of the balance. Use the underhook as shown below. Caution do not apply excessive force to the underhook. When not in use, attach th...
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64 bm series 14. Density measurement ( specific gravity ) 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. We recommend the use of the ad-1653 density determination kit. Note the density mode was n...
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Bm series 65 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. 1 press the mode key as necessary to select the density mode. Press and ho...
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66 bm series measuring the density ( specific gravity ) note if the liquid temperature or the type of liquid is changed during measurement, again input the value of the liquid density as necessary. The density display is four decimal places. The minimum display can not be changed with the range key....
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Bm series 67 15. Password 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. Password: four digits (4 x 4 x 4 x 4 = 25...
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68 bm series 15.2. Changing password the password can be changed at "password (loc no..)" of " 10.2. Details of the function table". 1 press and hold the range key in the weighing mode. Ba5fnc is displayed. 2 press the range key several times until loc no. Is displayed. 3 press the print key to disp...
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Bm series 69 15.3. Inputting password when turning on the balance when turning on the balance using the password function, the password input is displayed before weighing. 1 turn on the balance using the on:off key. 2 pa55 is displayed and " of the password input is displayed. 3 input the four chara...
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70 bm series 16. Standard input and output interface 16.1. Rs-232c interface the balance is a dce device. Connect the balance to a personal computer (dte) using a straight through cable. Transmission system : eia rs-232c transmission form : asynchronous, bi-directional, half duplex transmission rate...
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Bm series 71 1 2 3 4 mode on 1 2 3 4 mode on 16.2. Connection to peripheral equipment connection to an ad-8121b printer preset the following parameters to use the ad-8121b printer. Class item and parameter factory settings ad-8121b mode 1 ad-8121b mode 2 ad-8121b mode 3 prt data output mode 0 0,1,2 ...
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72 bm series connection to a computer using the rs-232c interface features 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 cab...
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Bm series 73 connection to a computer using the usb interface features the weighing data can be transmitted to a personal computer when connecting the balance and personal computer by the usb interface. The operation system must be windows 98 or a later version. The usb interface uses standard devic...
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74 bm series 16.3. Commands 16.3.1. Command list note a command has a terminator added, that is specified using " 5if, crlf " of the function table, and is sent to the balance. Commands to query weighing data c cancels the s or sir command. Q requests the weighing data immediately. S requests the we...
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Bm series 75 16.3.2. Acknowledge code and error codes when the "serial interface function ( 5if )" parameter is set to " ercd on ", the balance outputs code or error code to each command as follows: (06h) acknowledge in ascii code. When the balance receives a command to request data and can not proc...
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76 bm series 16.3.4. Command examples this example uses the " ercd on " of " 5if " so that the (06h) code is output. On command (turning on the balance) computer time balance on command standby mode command received all segments are displayed command completed zero display r command (re-zeroing the ...
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Bm series 77 error code this example is of an error using the r command. " ercd on " is used. The balance transmits an error code when the received command can not be achieved. Computer time balance r command cal command weighing mode (unstable) command received in process when the r command can not...
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78 bm series setting a negative target value and filling with a sample until the display becomes zero this example uses " ercd on " of " 5if " so that the (06h) code is output. Computer time balance r command pt: command to set a target weight of 10 g place a container before command execution comma...
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Bm series 79 17. Maintenance 17.1. 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. Contact the local a&d dealer if the balance needs service or ...
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80 bm series display error code description unit mass error the sample unit mass for the counting mode is too light. Storing and using it for counting will cause a counting error. Add samples to reach the specified number and press the 1 print 1 key. Pressing the 1 print 1 key without adding samples...
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Bm series 81 display error code description 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. Adjust the delay time to transmit a command. Ec,e03 ...
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82 bm series 17.4. 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 balan...
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Bm series 83 18. Specifications bm-20 bm-22 bm-252 bm-500 bm-300 bm-200 22 g weighing capacity 22 g 5.1 g 250 g 520 g 320 g 220 g 22.00008 g maximum display 22.000084 g 5.100009 g 250.00084 g 520.0084 g 320.0084 g 220.0084 g 0.01 mg minimum display 0.001 mg 0.001 mg 0.01 mg 0.1 mg 0.01 mg repeatabil...
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84 bm series 18.1. External dimensions unit: mm bm-20, bm-22 bm-200, bm-300 bm-500, bm-252 a : diameter of the weighing pan weighing pan: φ25 weighing pan for filter: φ50, φ95 weighing pan: φ90 b : height of the weighing pan 54 50 c : the inside diameter of the test tube holder φ12 φ12 (option).
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Bm series 85 18.2. Options and peripheral equipment ethernet interface bm-08 the interface to connect the balance to a lan. Accessory: the "winct-plus" data communication software. The software can acquire data from multiple balances connected to a lan. The software can control these balances with c...
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86 bm series aluminum pans this option is the same as the accessory aluminum pans used for weighing of a very small amount of sample. Name and description order code view round aluminum analytical pan (l) φ15 0.8 100 pieces ax-round-pan-l round aluminum analytical pan (m) φ12 0.3 100 pieces ax-round...
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Bm series 87 ax-usb-9p-ex usb converter adds a com port to a pc. Enables bi-directional communication between the pc and the balance when a usb driver is installed. Can use serial communication software such as winct on a pc without com ports. An rs-232c cable is provided to connect the usb converte...
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88 bm series other options order code name and description ad-1671 anti-vibration table approximately 24kg, artificial stone (terrazzo). Use this table when unstable weighing is caused by vibration coming from the floor. Use the ad-8922a remote controller to avoid a weighing error by a slight table ...
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Bm series 89 19. Terms/index 19.1. Terms calibration adjustment of the balance so that it can weigh accurately. Calibration weight a mass used for calibration. Data number numbers assigned sequentially when weighing data or unit weight is stored. Digit the minimum weighing value available. Used for ...
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90 bm series 19.2. Index left, upper, lighting, stabilization indicator ........13, 20, 39 left, upper, lighting, process indicator ....................13, 31 left, upper, blinking, density mode ................................13 left, lower, lighting, standby indicator ..........................13 ...
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Bm series 91 clr go initialization, perform ............ 38, 58, 61, 62 clr no initialization, cancel .............. 38, 58, 61, 62 command .................................................... 74, 76 - 78 communication function ..............................................83 cond condition ...........
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92 bm series magnetic substance ...........................................4, 11, 63 mass of product............................................................83 maximum display .........................................................83 micro tube .....................................................
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Bm series 93 weighing capacity ........................................................83 weighing data logger ad-1688 ....................4, 6, 88 weighing environment analyzer ad-1691 ................88 weighing environment logger ad-1687 ................88 weighing mode .............................
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94 bm series memo.
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Bm series 95 memo.
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96 bm series memo.
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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,...