A&D BM-20 Manual Download

Page: 80 / 100

series

Setting a negative target value and filling with a sample until the display

becomes zero

This example uses "

erCd

" of "

5if

" so that the <AK> (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
Command received
In process

Command completed
Zero display

Command received
Target weight display

Fill with sample until the

display becomes zero

Summary of Contents for BM-20

Page 1: ...Analytical Balance BM 20 BM 22 BM 252 BM 200 BM 300 BM 500 1WMPD4002195B...

Page 2: ...ated into any language in any form by any means without the written permission ofA D Company Ltd The contents of this manual and the specifications of the instrument covered by this manual are subject...

Page 3: ...de 24 6 5 Built in DC Static Eliminator Neutralization Device 25 6 6 Monitoring Clock and Environmental Sensors 27 6 7 Repeatability Test 28 Adapting To The Environment 7 Response Adjustment 29 7 1 Au...

Page 4: ...y Measurement Specific gravity 64 15 Password Function 67 15 1 Using Password Function 67 15 2 Changing Password 68 15 3 Inputting Password When Turning On The Balance 69 15 4 Missing Password 69 Inte...

Page 5: ...operation Adapting to the environment Describes response and stability adjustment to adapt to the environment where there is vibration or drafts the way to maintain weighing precision in a variation o...

Page 6: ...ight Grain UK Tael preset in the factory Tola India Messghal Density mode BM 22 is equipped with a smart range function to weigh with the precision range a higher resolution when zeroing a tare weight...

Page 7: ...some interference and under these circumstances the user would be required to take at his own expense whatever measures are necessary to eliminate the interference FCC Federal Communications Commissi...

Page 8: ...cal pans each10pieces Weighing pan Pan support Fine range ring Breeze break ring Dust plate Weighing pan Pan support Breeze break ring Dust plate Common Parts AC adapter AC adapter labels Note Windows...

Page 9: ...ic eliminator Separation plate If unnecessary remove it Joint handle When jointing the right left slide door handle the right left glass door can be opened or closed with the left right joint handle B...

Page 10: ...in accordance with the product type and use BM 500 BM 300 BM 200 BM 252 BM 22 BM 20 Fine range ring Weighing pan Breeze break ring Dust plate Pan support Use the fine range ring to avoid errors cause...

Page 11: ...le type Step 6 Connect the specified AC adapter to the balance Warm up the balance for at least one hour with nothing on the weighing pan Step 7 Confirm correct weighing If necessary calibrate the bal...

Page 12: ...Relative Humidity The weighing room should be free of dust Clean the weighing chamber and its surroundings to prevent foreign matter from invading when weighing a very small amount The weighing table...

Page 13: ...or place a weight beyond the range of the balance on the weighing pan Make each weighing gently and quickly to avoid errors due to changes in the environmental conditions We recommend that the fine ra...

Page 14: ...loth that is moistened with warm water and a mild detergent Avoid foreign matter dust liquid or metal fragments that could get inside the balance 3 5 Cautions For Power Supply Do not remove the AC ada...

Page 15: ...ON and OFF In the counting or percent mode the key to enter the sampling mode The key to enter the function table mode or repeatability test mode Refer to 10 Function Table or 6 7 Repeatability Test T...

Page 16: ...he factory Press the MODE key to select a unit or mode for weighing For details about the units and modes see the table below Name unit mode Abbreviation Display unit Conversion factor Gram g 1 g Mill...

Page 17: ...Grain UK 8024 4938 3395 0 002 Tael HK general Singapore 13 7 8 46 5 82 0 00001 Tael HK jewelry 13 8 8 54 5 87 0 00001 Tael Taiwan 13 8 8 53 5 86 0 00001 Tael China 16 6 10 2 7 04 0 00001 Tola India 44...

Page 18: ...000001 Tola India 1 88 0 0000001 Messghal 4 69 0 000001 BM 22 Precision range Standard range Unit Capacity Minimum display Capacity Minimum display Gram 5 10 0 000001 22 0 0 00001 Milligram 5100 0 001...

Page 19: ...Specify a unit or mode in the order to be displayed using the following keys RANGE key To display the units sequentially RE ZERO key To specify a unit or mode The indicator appears when the displayed...

Page 20: ...and BM 200 are preset units in the factory Gram Milligram is displayed in order Density mode To use the density mode it must be stored in the function table as described on page 17 Refer to 14 Densit...

Page 21: ...e stabilization indicator appears when the unit is specified 5 Press the RANGE key several times to display Unit 6 Press the RE ZERO key to specify the unit of pcs The stabilization indicator appears...

Page 22: ...ction 8 Calibration For BM 22 and BM 20 perform pre weighing of tare and container so that precision weighing can be performed Consider section 3 Precautions for the weighing operation 6 1 Basic Opera...

Page 23: ...plays zero 2 Place the container tare on the weighing pan When mass of the container tare is within the standard range the current range is automatically switched to the standard range 3 Press the RE...

Page 24: ...Press the RE ZERO key to cancel the weight tare The number specified in step 3 appears Example 25 0 is displayed if 25 is selected in step 3 5 Place the number of samples specified on the pan In this...

Page 25: ...e unit mass while the processing indicator is blinking Do not touch the balance or samples on the pan until the processing indicator turns off 10 Counting accuracy is improved when the processing indi...

Page 26: ...e container 5 Press the PRINT key to store the reference mass The balance displays 100 00 Note The decimal point position can be changed by the 100 mass BM 252 BM 500 BM 300 BM 200 BM 20 BM 22 100 mas...

Page 27: ...r the preset time of Neutralizing time ion in the function table the factory setting is 3 seconds The minimum display of BM 20 BM 22 and BM 252 is switched to 0 1 mg while performing the neutralizatio...

Page 28: ...Description Of The External Key Plug AX T 314A S Option When specifying External control input e 5 in Static eliminator ionfnc the following functions can be applied to the external key plug AX T 314...

Page 29: ...eration Press the SELECT key in the weighing mode The current time date and sensor values temperature humidity air pressure are displayed for several seconds in order The balance returns to the weighi...

Page 30: ...mass Therefore the standard deviation discords to item repeatability of 18 Specifications Regard the standard deviation as a reference Products Internal mass BM 20 BM 22 Approx 20 g BM 252 BM 500 BM 3...

Page 31: ...key until RESPONSE is displayed then release the key 2 The balance automatically sets the response characteristic Caution Do not allow vibration or drafts to affect the balance during adjustment 3 Af...

Page 32: ...DE key Either FAST MID or SLOW can be selected 3 The balance displays 1end1 returns to the weighing mode and displays the updated response indicator for about thirty seconds Advise If the automatic re...

Page 33: ...on test data can be stored in memory When using memory set Data memory data of the function table Refer to 12 Data Memory for details Caution on using an external weight The accuracy of an external we...

Page 34: ...calibration is required If the balance is not used for several minutes with this indicator blinking the balance performs automatic self calibration The environment will affect the time that the indic...

Page 35: ...to affect the balance 5 The measured zero point data is displayed 6 The balance measures the internal mass Prevent vibration and drafts to affect the balance 7 The value of the internal mass is displ...

Page 36: ...5 Confirm that there is nothing on the pan and press the PRINT key The balance measures the zero point Do not allow vibration or drafts to affect the balance The balance displays the calibration mass...

Page 37: ...ore the new mass value Even if the AC adapter is removed the data is maintained in non volatile memory CAL key The key to cancel the operation and return to CC 0 5 Confirm that there is nothing on the...

Page 38: ...to change the value of the blinking figure PRINT key The key to store it and return to weighing mode CAL key The key to cancel current operation 5 Press and hold the RANGE key to enter the function t...

Page 39: ...t blinking digit RE ZERO key The key to change the parameter for the selected switch 0 To inhibit changes Can not be used 1 To permit changes Can be used PRINT key The key to store the new parameter a...

Page 40: ...settings 9 1 Permit Or Inhibit Liquid density and temperature in the density mode Note Be sure to calibrate the balance after initialization 1 Press the ON OFF key to turn off the display 2 While pres...

Page 41: ...key stores the new parameter and displays the next class When displaying an item the key cancels the new parameter and displays the next class When displaying a class the key exits the function table...

Page 42: ...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 times Se...

Page 43: ...is connected Cl adj Clock Refer to 10 7 Clock and Calendar Function The time and date are added to the output data 0 Key mode Accepts the PRINT key only when the display is stable 1 Auto print mode A...

Page 44: ...omatic feed is performed 0 No output 1 AD 8121 format info GLP output 2 General data format Selects the output format for the GLP GMP compliant report Refer to 11 ID Number And GLP Report for details...

Page 45: ...MODE key on AD 8922A 0 Applies the PRINT key and RE ZERO key 1 Applies the PRINT key and ION key ionfnc Static eliminator e 5 External control input 2 Applies the ION key and RE ZERO key off No used...

Page 46: ...tion Even if using the weighing bottle evaporator trap to reduce the water evaporation at least 0 05 mg 0 05 evaporation will occur When canceling this function press the RE ZERO key Calculating Fixed...

Page 47: ...rint difference dout ar d 1 Zero after output Auto print mode B Example For weighing while a sample is added Required setting dout prt 2 Auto print mode B reference last stable value dout ap p Auto pr...

Page 48: ...s format consists of sixteen characters excluding the terminator A header of two characters indicates the balance condition No overload header is used The polarity sign is placed before the data with...

Page 49: ...ma This format outputs the unit even when the data is overloaded When a comma is selected for the decimal point the separators are set to semicolon When the ID number data number time and date are add...

Page 50: ...d in Time Date output 5 td and Clock Cl adj The year is output in a four digit format Time dout 5 td 1 or 3 This format outputs time in 24 hour format Temperature dout 5 tp on This format outputs temp...

Page 51: ...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...

Page 52: ...s 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...

Page 53: ...w time and proceed to step 6 CAL key To cancel operation and proceed to step 6 Checking the current date 6 The current date is displayed with all the digits blinking To change the display order of yea...

Page 54: ...ternal weight Title block and End block for the weighing data Calibration and calibration test data can be stored in memory and several reports can be output at the same time Refer to 12 Data Memory f...

Page 55: ...correct set the correct time and date in Clock Cl adj of the function table Calibration report using the internal mass Key operation 1 Press the CAL key to display Cal in and calibrate the balance aut...

Page 56: ...played and the calibration test report is output 6 The balance returns to weighing mode after this test Command This calibration test report can be performed with command TST Setting of info 1 Setting...

Page 57: ...value 5 When pressing the RE ZERO key the zero point is measured and the weight value is displayed for a few seconds 6 Place the displayed mass on the pan Press the PRINT key to measure the mass and...

Page 58: ...alue 5 When pressing the RE ZERO key the zero point is measured and the weight value is displayed for a few seconds 6 Place the displayed mass on the pan Press the PRINT key to measure the mass and th...

Page 59: ...e key 5tart is displayed The Title block is output 2 The weighing data is output according to the parameter setting of the data output mode prt of the function table 3 Press and hold the PRINT key unt...

Page 60: ...on setting the data memory For weighing data the data contents to be stored and the storage capacity depend on the Time Date output 5 td parameter setting If a different type of data exists in memory...

Page 61: ...meter to 1 2 Specify the Time Date output 5 td parameter whether time and date is to added or not 3 The storing mode depends on the Data output mode prt parameter setting Four modes are available to s...

Page 62: ...ode are as follows Item Mode Data output mode Auto print polarity difference Data memory function Interval time Key mode prt 0 Not used data 1 Auto print mode A prt 1 data 1 Auto print mode B prt 2 ap...

Page 63: ...set properly Refer to 10 Function Table and 16 2 Connection To Peripheral Equipment 1 Press and hold the PRINT key until reCall is displayed then release the key 2 Press the RANGE key to display out...

Page 64: ...that the Serial interface 5if parameters are set properly Refer to 10 Function Table and 16 2 Connection To Peripheral Equipment Confirm that the Data memory parameter is set to data 2 1 Press and hol...

Page 65: ...the underhook upward When turning the balance over parts and weighing matter in the weighing chamber will fall off Parts the weighing pan pan support breeze break ring fine range ring and dust plate...

Page 66: ...the following formula Where Density of a sample A Mass value of a sample in air B Mass value of a sample in liquid 0 Density of a liquid Prior to measurement Changing the function table Prior to meas...

Page 67: ...mode Proceed to Step 1 CAL key The key to cancel the change and return to the density mode Proceed to Step 1 The relation between the water temperature and density C 0 1 2 3 4 5 6 7 8 9 0 0 99984 0 9...

Page 68: ...ive value or e out of range is displayed the RANGE key is inactive 3 Move the sample to the pan in liquid g lights lights If the weight value is stored or output press the PRINT key to store it after...

Page 69: ...switched between Use or Not used at Password function locfnc 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...

Page 70: ...RANGE key Character r PRINT key Character p RE ZERO key Character 2 CAL key Back key 5 Input four characters of the new password using these keys 6 The balance displays 5ure ye5 where No is blinking...

Page 71: ...keys MODE key Character m RANGE key Character r PRINT key Character p RE ZERO key Character 2 CAL key Back key 4 When the password is correct the balance displays weighing value after full segment dis...

Page 72: ...ven Odd Data bits 7 bits None Data bits 8 bits Stop bit 1 bit Code ASCII D Sub 9 pin assignments Pin No Signal name Direction Description 1 No connection 2 TXD Output Transmit data 3 RXD Input Receive...

Page 73: ...bp5 Baud rate 2 2 2 2 btpr Data bit parity bit 0 0 0 0 Crlf Terminator 0 0 0 0 5if Serial interface type Data format 0 0 0 1 1 Set parameters when auto print mode A or B prt 1 or 2 is selected 2 Set 1...

Page 74: ...he balance GLP report RsKey RsKey can transmit the weighing data output from the balance directly to other application software such as Microsoft Excel RsKey can be used with most application software...

Page 75: ...daptor to the balance and turn on the display with the ON OFF key 2 Connect the personal computer to the balance using the USB cable Note Do not use stream mode of data output mode dout prt 3 3 At the...

Page 76: ...m display TR Tares the balance Canceling the container s weight 1 TST Perform calibration test Calibration test using the internal mass U Same as the MODE key Changing the unit Commands to request dat...

Page 77: ...mong commands to control the balance the following transmit the acknowledge code both when the balance receives the command and when the balance has accomplished the command If the command can not be...

Page 78: ...Standby mode Command received All segments are displayed Command completed Zero display R command Re zeroing the display Computer Time Balance R command Weighing mode Command received In process Comma...

Page 79: ...e achieved due to unstable weighing Error code When the CAL command is received the balance returns to the weighing mode Command completed Weighing mode Weighing with a tare This example uses erCd on...

Page 80: ...ses erCd on of 5if so that the AK 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 Command received In process Co...

Page 81: ...yield a change in the mass value as specified Confirm that there is nothing on the pan and perform the weighing operation from the beginning again EC E17 Internal mass error The internal mass applica...

Page 82: ...as been depleted Press any key and set the time and date The clock and calendar function works normally as long as the AC adapter is connected to the balance If this error appears frequently contact t...

Page 83: ...eter setting error The received data exceeds the range that the balance can accept Confirm the parameter range of the command Other error code If an error described above can not be released or other...

Page 84: ...or the BM 22 and BM 22 Has the balance been calibrated using the internal mass one touch calibration Has the balance been warmed up for one hour before weighing Sample and container Has the sample abs...

Page 85: ...and RS 232C with Windows Communication Tools Software WinCT External calibration weight 20 g 10 g 5 g 2 g 1 g 20 g 10 g 5 g 2 g 1 g 200 g 100 g 50 g 20 g 10 g 500 g 300 g 200 g 100 g 50 g 300 g 200 g...

Page 86: ...s Unit mm BM 20 BM 22 BM 200 BM 300 BM 500 BM 252 A Diameter of the weighing pan Weighing pan 25 Weighing pan for filter 50 95 Weighing pan 90 B Height of the weighing pan 54 50 C The inside diameter...

Page 87: ...Tester BM 014 This option can be used to inspect the volume dispensed from the pipette Accessory evaporation trap is used to prevent the evaporation of the test liquid inside it The WinCT Pipette sof...

Page 88: ...ter density 0 C 0 99984 g cm3 10 C 0 99970 g cm3 20 C 0 99820 g cm3 30 C 0 99565 g cm3 AD 1683 DC Static Eliminator The eliminator is able to dissipate static electricity on a charged sample The elimi...

Page 89: ...essing the RE ZERO and PRINT keys It enables remote control of the balance using an external switch This operation must connect the GND line to the PRINT or RE ZERO line for at least 100 milliseconds...

Page 90: ...data Therefore it is possible to store data in an environment where a computer can not be used The stored data can be read to a personal computer using USB As the AD 1687 is recognized as USB memory s...

Page 91: ...placed and removed repetitively Usually expressed as a standard deviation Example Standard deviation 1 digit means that may occur a weighing error within 1 digit in the frequency of approx 68 when wei...

Page 92: ...r output 42 45 at f Auto feed 42 71 Auto display ON 41 44 Auto feed 42 Auto print 41 45 AX BM 031 Display cover 85 AX BM 032 Test tube holder 85 AX BM NEEDLESET Electrode units 85 AX MX 36 Tweezers 6...

Page 93: ...it of static eliminator 7 25 Electrostatic field meter AD 1684 88 Environment 3 10 11 13 27 82 Environmental sensor 13 27 erCd AK Error code 43 75 78 err Memory data error 79 Error code 43 77 79 e 5 E...

Page 94: ...interface 42 45 46 71 SLOW 29 30 Smart range 4 15 21 5pd Display refresh rate 41 44 45 Specific gravity 4 64 66 86 Specific gravity meter AD 1653 86 Stability 3 29 30 Stability band width 41 44 Stabi...

Page 95: ...ight Adjustable range 31 Calibration mass 12 31 34 83 89 Correction of mass value 43 External weight 34 35 89 Internal mass 28 31 33 43 83 89 Target mass value 35 89 Weight or Mass 31 34 35 Weighing p...

Page 96: ...94 BM series MEMO...

Page 97: ...BM series 95 MEMO...

Page 98: ...96 BM series MEMO...

Page 99: ......

Page 100: ...0420 Fax 44 1235 550485 A D AUSTRALASIA PTY LTD 32 Dew Street Thebarton South Australia 5031 AUSTRALIA Telephone 61 8 8301 8100 Fax 61 8 8352 7409 A D KOREA Limited 36 2 8 150 749 Manhattan Building 8...

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A&D BM-20, Manual

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