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User Manual - Affordable Scales & Balances

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1. INSTRUCTION MANUAL Analytical Balance GH 120 GH 200 GH 300 GH 202 GH 252 A amp D Company Limited WM PD4000891 This manual and Marks t4 bb All safety messages are identified by the following WARNING or CAUTION of ANSI Z535 4 American National Standard Institute Product Safety Signs and Labels The meanings are as follows NWARNING A potentially hazardous situation which if not avoided could result in death or serious injury A potentially hazardous situation which if not avoided may result in minor or moderate injury Z N CAUTION This is a hazard alert mark This mark is the IEC417 mark for Caution Hot surface Do not touch parts affixed with this mark without adequate protection This mark informs you about the operation of the product This manual is subject to change without notice at any time to improve the product Product speci
2. 442 L 428 z Ve E Door 148 50 d 8 CN 7 NA l g e N y a 886 Y LLL 990 A A 3 G t AN c Door 1o Lo bel do 1485 I LO ZN T 2 Inside 164 5 8 Inside 183 _ 86 5 RS SI e d iy yy LI a JR E J a l im J L 163 JL 265 7 O L 93 i 305 Unit mm 67 17 2 Options and Peripheral Instruments AD 8121B Printer Compact dot matrix printer Statistical function clock and calendar function interval print function graphic print function dump print mode 5 x 7 dots 16 characters per line Print paper AX PP143 45 W x 50 L mm 965 mm AC adapter or alkaline battery AD 1653 Density Determination Kit Weigh in air Weigh in water Weigh in the air Keele Example 10 0000 g 10 0000 g 9 5334 x 0 9970 g cm 21 4 g cm Temperature Water density 0C 0 99984 g cm 106 0 99970 g cm 20 0 99820 g cm 30 C 0 99565 g cm External key Plug AX T 314A S SS This plug produces the same operations as Excmalkey Plug SS pressing the RE ZERO and PRINT keys It AX T 314A S enables remote control of the balance using an external key This oper
3. Stable A amp D S T o 0 O 1 2 7 8 9 Cre MT S lolo 0 e 111217181101 g CRLF NU 0 0 0 0 1 2 7 8 Get Unstable A amp D UTS 0 118 13 619 0 g CRF E DP lu slo o l_ 1118 36 910 g CR MT S D 1 8 3 6 9 0 9 Crlf NU 0 0 1 8 13 6 9 0 CRLF Overload A amp D o L e eje o o 9 9 E 1 9 CRLe Positive error DP M dus A J Il J L PL Jil E L JJL J L Jf L Jf L Jj L Cr E KF oioloojlojo Ajojojojojo j oo Crjie Y MT S Cale NU 9 99 9 9 9 9 9 9 Cplf Overload A amp D O L e e e e e 9 9 El 1119 Cre Negative error DP E to pep dep t p sp Dee npa Lm ES csi ec ere e ge i A E g KF EE j 1 Lo L Cg Lr MT Sii CRLF NU 999 99 9 9 9 9 CpLrf a Space ASCII 20h CR Carriage Return ASCII ODh F LineFeed ASCII OAh 36 Units is 3 OI ko 0 E Oo N ee ela E O N o o G3 O Z It Cc em 2 e e O BE A amp D g g Lillo mg mg _ mig Counting mode pes IPIC Precent mode A u Ounce
4. S T 0 0 0 1 2 7 8 Jg Header Data Unit Terminator S T Stable header Q T Stable header of counting mode U S Unstable header O L Overload header S T 1 0 0 0 11 2 7 8 gICRILF Header Data Unit Terminator DP Dump print format if type 1 This format is used when the peripheral equipment can not receive the A amp D format If an AD 8121B is used set the printer to MODE 3 This 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 spaces in place of leading zeros if the data is not zero or overloaded The unit consisting of three characters follows the data Header Data Unit Terminator WI T Stable header Q Tj Stable header of counting mode U S Unstable header 33 KF format if type 2 This is the Karl Fischer moisture meter format and is used when the peripheral equipment can only communicate using this format This format consists of fifteen characters excluding the terminator This format has no header characters The polarity sign is placed before the data with spaces in place of leading zeros if the data is not zero or overloaded This format outputs the unit only for a sta
5. 4 Please confirm that the adapter type is correct for your local voltage and power receptacle type 5 Connect the AC adapter to the balance Warm up the balance for at least one hour with nothing on the weighing pan 6 Calibrate the balance before use Refer to 8 Calibration Connect the AC adapter To ensure that you get the most from your balance please try to follow these conditions as closely as possible Please confirm that the AC adapter type is correct for your local voltage and receptacle type Ensure a stable power source when using the AC adapter The best operating temperature is about 20 C 68 F at about 50 Relative Humidity The weighing room should be free of dust The weighing table should be solid and free from vibration drafts such as frequently opening doors or windows and as level as possible Corners of rooms are best as they are less prone to vibrations Do not install the balance near heater or air conditioners Do not install the balance in direct sunlight Do not use the balance near other equipment which produces magnetic fields Keep the balance level by using the bubble spirit level Calibrate the balance before using and after moving it to another location Please warm up the balance for at least one hour Plug in the AC adapter as usual Do not place or use the balance
6. Storing the weighing data Note If cir blinks in the upper left of the display delete the data in memory 1 Setthe Data memory dat a parameter to 1 2 Specify the Time Date output 5 t d parameter whether time and date is to added or not 3 The storing mode depends on the Data output mode prt parameter setting Four types of storing modes are available to store data Key mode ee When the PRINT key is pressed and the displayed value is stable the balance stores the weighing data Auto print modes A When the displayed value is stable and the conditions of Auto print polarity Auto print difference and zero point reference value are met the balance stores the weighing data Auto print modes B When the displayed value is stable and the conditions of Auto print polarity Auto print difference and last stable data reference value are met the balance stores the weighing data Interval memory mode Weighing data is stored at an interval specified in Interval time i nt Press the PRINT key to start and stop this mode The data amount in memory gt de Interval memory Cu Weighing data S y standby indicator MEMO gt AU being displayed b Interval memory active indicator Data number of the data currently displayed A hr Memory data being displayed Caution Whe
7. 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 Is the sample charged with static electricity Is the sample of magnetic material such as iron There are cautions to weigh magnetic materials Checking that the balance performs properly Check the balance performance using an external weight Be sure to place the weight in the center of the weighing pan Check the balance repeatability linearity and calibrated value using external weights with a known value 16 5 Asking For Repair If the balance needs service or repair contact your local A amp D dealer The balance is a precision instrument Use much care when handling the balance and observe the following when transporting the balance Use the original packing material for transportation Remove the draft gate weighing pan and pan support from the main unit 65 17 Specifications GH 120 GH 200 GH 300 GH 202 GH 252 Weighing capacity 120g 220g 320 g E x Maximum display 120 0084 g 220 0084 g 320 0084 g 1 00008 E TETTE Minimum display 0 1 mg 25 E GE ER eng peng 0 02 TA 000 mg Linearity 0 2 mg 20 3 M9 Zoom Se E 0 mg dp TaM Approx 3 5 seconds a aE
8. 4 With ba5f nc displayed press the CAL key to return to the weighing mode TUVWXYZ Lin 7 rf Li LOL yt ot 2 3 4 5 6 7 8 9 AB I143 0 U i TI ol 71 cu O I I JKLMNOPQR I OO L LL L LIO I x c S m c a LI S a x za 20100 LOL Li d nn 40 11 2 GLP Report Set the following parameters to output the report Refer to 15 2 Connection to peripheral equipment for the connection of the AD 8121B To print the report set the GLP output i nf o parameter to 1 and use MODE 3 of the AD 8121B If MODE1 is used select temporary dump print mode by pressing the STAT key of the AD 8121B To output the report to a personal computer using the RS 232C interface set the GLP output i nf o parameter to 2 If the time and date are not correct set the correct time and date in Clock Cl adj of the function table Calibration report using the internal mass Key operation 1 2 3 Press the CA E key to display Cal in and calibrate the balance automatically If GLP output is used gl p is displayed and the calibration report is outputted The balance returns to weighing mod
9. CIE PRINT key CAL key key to display Clr go key to initialize the balance The balance will automatically return to the weighing mode 26 NAE 10 Function Table This function table reads or rewrites the parameters that are stored in the balance These parameters are maintained in non volatile memory even if the AC adapter is removed This function table menu consists of two layers The first layer is the Class and the second layer is the Item 1 Press and hold the RANGE key until ba5f nc of the function table is displayed in the weighing mode then release the key Press the RANGE key to select a class Press the PRINT key to enter the class Press the RANGE key to select a item Press the RE ZERO key to select a parameter of the selected item O a bh CO Iw If storing parameters of the selected class press the PRINT key Then next class is displayed If canceling the current operation press the CAL key Then next class is displayed 7 When specifying parameters for other class proceed to step 2 When finishing the setting press the CAL key to return to weighing mode Example TM This example sets Stores weighing da
10. Place the number of samples specified on the pan In this example 25 pieces Wait for the stabilization indicator to come on Press the PRINT key to calculate and store the unit mass Then the balance displays 25 pcs and is set to count samples with this unit mass The sample unit mass stored even if the AC adapter is removed is maintained in non volatile memory To improve the accuracy of the unit mass proceed to step 8 Notes If the balance judges that the mass of the samples is too light under 0 00019 and can not be stored as the unit mass itdisplays lo If the balance judges that the mass of the samples is too light to acquire accurate weighing it displays an error requiring the addition of more samples to the specified number Example 50 pcs appears requiring 25 more samples Add 25 samples and press the PRINT key When the unit mass is stored correctly the balance proceedes to the counting mode Counting Operation 7 Place the samples to be counted on the pan 14 Weighing pan Container 1 10d RANGE 25 Samples Place samples Counting result 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 ACA
11. Avoid that a foreign matter dust liquid or metal fragments invades into the inside balance 3 4 Power Supply Do not remove the AC adapter while the internal mass is in motion for example right after the AC adapter is connected or during calibration using the internal mass If the AC adapter is removed under the conditions described above the internal mass will be left unsecured that may cause mechanical damage when the balance is moved Before removing the AC adapter press the ON OFF key and confirm that zero is displayed in weighing mode When the AC adapter is connected the balance is in the standby mode if the standby indicator is on This is a normal state and does not harm the balance For accurate weighing we recommend that you plug in your balance for at least an hour before use so it can warm up 4 Display Symbols and Key Operation Display The amount of stored data with memory data function Processing indicator Response indicator a BD RESPONSE FASTI MID JISLOW Units Stabilization indicator gt O rere ES Standby indicator JAILILILILILILLLE mg Standby indicator of of power supply eL TR Interval memory function Weighing data or The current Don stored data data number DUM Prior notic
12. PRINT CAL babfnc key several times to display key key three times to display dout data 0 key to display data l key to store the setting key to return to the weighing mode 48 is displayed then release the key Recalling the memory data Confirm that the Data memory dat a parameter is set to 2 1 Press and hold the PRINT key until reCall is displayed Indicators 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 as shown WS Weighing data without time and date to the right Recall the data in memory using the following keys RS 232C interface RE ZERO key To proceed to the next data set J E MODE kenn To go back to the previous data set NW KT Dia EEN Weighing data with PRINT key To transmit the current data using the imeand date 3 With RANGE held down press the key To delete the current data key see To exit the memory recall mode CAL Press the key to return to the weighing mode Transmitting all memory data at one time Confirm that the Serial interface 5i f parameters are set properly Refer to 10 Function Table and 15 2 Connection To Peripheral Equipment Oo OC CO
13. 5 Press the PRINT e nnnnn UUUUU 9 Press and hold alte bASEnc j 1 10d unit RANGE Displays the units sequentially key to store the units or modes The balance displays end and then displays the next menu item of the function table 6 Press the CAL selected unit key to exit the function table Then the balance returns to the weighing mode with the 11 6 Weighing Cautions For The Weighing Operation Press the 6 1 RE ZERO pan each time key to prevent possible error before putting sample on the weighing Keep the area clean and dry Put sample to the center of the weighing pan gently Consider section 3 Precautions for weighing operation Temperature changes during measurement may cause weighing error Electrified material or magnetic body may cause a weighing error Do not press keys with a sharp instrument such as a pencil or ball point pen For precision weighing keep the AC adapter connected to the balance Shorten the operation time as much as possible Opening and closing door putting and removing sample Use a pair of tweezers pincette to avoid a temperature change that is due to having your hand in the weighing chamber Do not drop things on the pan or place a weight on the pan that is beyond the we
14. 63 Display Error code Description Not ready A received command can not be processed Example EC E02 The balance received a o command but not in the weighing mode The balance received a o command while processing a RE ZERO command Adjust the delay time to transmit a command Timeout error If the timeout parameter is set to t Up1 the balance did not EC E03 SC EE receive the next character of a command within the time limit of one second Confirm the communication Excess characters error EC E04 The balance received excessive characters in a command Confirm the command Format error A command includes incorrect data EC E06 Example The data is numerically incorrect Confirm the command Parameter setting error EC E07 The received data exceeds the range that the balance can accept Confirm the parameter range of the command EE H an error described above can not be released or other errors are displayed contact the local A amp D dealer 16 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 The balance can be used while this indicator is blinking We recommend
15. If the target mass is changed press the RANGE key and proceed to step 4 A list of usable weights is on 19 page If current target mass value is used proceed to step 5 4 Specify the target mass value as follows n RANGE key venene The key to switch blinking figures Specify RE ZERO key The key to select the target mass or um 0 S MODE key adjust the mass value Refer to page 19 a Bo a PRINT Key en The key to store the new mass value Even if the AC adapter is removed the data is maintained in non volatile a i memory J CAL keys The key to cancel the operation and E C return to CC 0 New weight 100 0012 g rr fi 5 Confirm that there is nothing on the pan and press the PRINT key The balance measures the zero point and displays the measured value Do not allow vibration or drafts to affect the balance The balance displays the target mass value m r c c3 CD ca E gt Cj c a 6 Place the displayed target mass on the pan and press the PRINT key The balance measures the target mass and displays the measured value Do not allow vibration or drafts to affect the balance 0 Place weight A 7 The balance displays end Remove the weight from the pan 10000 lg UUUU IC 9 8 The balance displays gl p and
16. Avoir m 0Z Troy Ounce mt olz t Metric Carat H cit Momme mm M O M Pennyweight wt ld wit Grain E Lu GIN Tael HK general Singapore tl E t Tael HK jewelry tl L Ti Tael Taiwan a itl Tael China nu Lit Tola India t t Messghal m Im el sl Density L Dis N W U nm U c Space ASCII 20h 10 7 Clock And Calendar Function The balance is equipped with a clock and calendar function When the GLP output i nf o parameter is set to 1 or 2 and the Time Date output 5 t d parameter is set to 1 2 or 3 the time and date are added to the output data Set or confirm the time and date as follows Operation 1 Press and hold the RANGE key until ba5f nc of the function table is displayed in the weighing mode then release the key 2 Press the RANGE key several times to display CI adj 3 Press the PRINT key The balance enters the mode to confirm or set the time and date Confirming the time 4 The current time is displayed with all the digits blinking When the time is correct and the date does not need to be confirmed press the CAL key and proceed to step 8 When the time is correct and the date is to be confirmed press the RANGE key and proceed to step 6 le 34 56 When the time is not correct and is to be changed press th
17. balance Arrange the room condition 1 Remove the cover on the bottom of the balance 2 Hang your weighing pan to the underhook Place the balance on the film table E Bottom o e d Underhook O Cover eo coL Film table mech Weighing pan 51 14 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 Note The density mode was not selected for use when the Minimum display is 0 0001 g while density mode Formula to obtain the density The density can be obtained by the following formula balance was shipped from the factory To use the mode change the function table and activate the density mode When the density mode is selected the response adjustment function can not be used Where p Density of a sample A A Mass value of a sample in air De A B Po B Mass value of a sample in liquid Po Density of a liquid Prior to measurement Changing the function table Prior to measurement change the function table as follows 1 Selecting the density mode The density mode is available as one of the weighing units Select it by pressing the MODE key To use the mode select it unit of Un
18. eg rg gt the balance retums to weighing p mode E Finishing command Weighing mode E A A A AAA A E EA 61 16 Maintenance 16 1 Treatment Of The Balance detergent service or repair Clean the balance with a lint free cloth that is moistened with warm water and a mild Do not use organic solvents to clean the balance Do not disassemble the balance Contact the local A amp D dealer if the balance needs Use the original packing material for transportation Consider 3 Precautions when operation the balance 16 2 Error Codes Display Error code Description Stability error The balance can not stabilize due to an environmental problem Check around the pan Prevent vibration drafts temperature changes static electricity and magnetic fields from influencing the balance To return to the weighing mode press the CAL key Errarb EC E16 Internal mass error Applying the internal mass does not 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 sil EC E17 Internal mass error The internal mass application mechanism does not function properly Perform the weighing operation from the beginning again STE EC E20
19. EE 46 12 1 Notes on Using Data Memory ee tree nie etat ee 46 12 2 Data Memory for Weighing Data NENNEN 47 12 3 Data Memory for Calibration and Calibration Test 50 13 Kleren d ted estudio etd LI RED t end 51 14 Density MEA Md 52 Interface And Communication 15 Standard Input amp Output Interface nn ee eeeeeeeeecesceeeeeeceseeeeeeseeseeecseeseeeseatseseeeaseaneeeaees 55 15 1 RS 2926 Interfaces deu ise il er mE des 55 15 2 Connection to peripheral equipment oococcccicccciccocnccnonocnnncnnnonononnnnnnonnn cnn rncnnnncnncnno 56 15 3 COMME dt e endo eC 58 Maintenance 16 Mante CS O e O fav 62 16 1 Treatment Of The Balance enituit at pipere entered 62 16 2 TOM OCS race a DE RM ong O tT 62 16 3 ee th at ose tbt d DL etes LINE 64 16 4 Checking The Balance Performance And Environment 65 16 5 Asking For Repair eua stas teat centered EE 65 17 Secc OS seta hens a RUN 66 17 1 Extertial DIMENSIONS ee tt deed 67 17 2 Options and Peripheral Instrument 68 18 TIN SON siete Feces ON rer TROP 70 18 1 RE Whee A E eben o ie bualas EE 70 18 2 jain ra A OPEP TR TUR NT REID ROSE 71 1 Introduction This manual describes how the balances of GH series work and how to get the most out of them in terms of performance Read this manual thoroughly before using the balance and keep it at hand for future reference 1 1 About This Manual This man
20. RE ZERO key The key to increase the value by one MODE key The key to decrease the value by one PRINT key The key to store the new setting display end and proceed to step 8 CAL keys The key to cancel the new setting and proceed to step 8 Quitting the operation 8 The balance displays the next menu item of the function table Press the CAL key to exit the clock and calendar function and return to the weighing mode Note Do not enter invalid values such as a non existing date when setting the time and date When the clock backup battery has been depleted the balance displays rtc pf Under this condition press any key and set the time and date The dead battery only affects the clock and calendar function Even so the function works normally as long as the AC adapter is connected to the balance 39 11 ID Number And GLP Report The ID number is used to identify the balance when Good Laboratory Practice GLP is used The ID number is maintained in non volatile memory even if the AC adapter is removed The GLP output format is selected at GLP output i nf o of the function table and can be output to a personal computer or printer using the RS 232C serial interface The GLP output format includes the balance manufacturer model serial number ID number date time and space for signature for weighing data the weight used and results for c
21. TERM gt 12 34 56 lt WM V WM WM TERM TERM TERM TERM 123 4 123 4 123 4 567 g lt 612 g9 lt WT 123 4534 g lt TERM gt WT 123 4712 gq lt TERM gt WT 123 4645 g lt TERM gt lt TERM gt END lt TERM gt TIME lt TERM gt BEER 12 40 15 TERM SIGNATURE lt TERM gt lt TERM gt lt TERM gt lt TERM gt lt TERM gt lt TERM gt 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 Including date and time Up to 100 sets Weighing data Calibration report Internal calibration External calibration Calibration test report Internal test calibration External test calibration Last 50 sets 12 1 Notes on Using Data Memory To use the memory function set the Data memory dat a parameter and Time Date output 5 td parameter of the function table Refer to 10 The Function Table for details 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 t d parameter setting Upper left of If a different type of data exists in memory CI r blinks the upper the display left of the display For example you want to store w
22. The 2 prt of the function table STAT played press and hold the PRINT Title block is output 3 Press and hold the PRINT recend key until The End block is output Setting of i nfo 1 AD 8121 printer format Title block zx A SH Manufacturer MODEL GH 300 Model SEN 01234567 Serial number ID LAB 0123 ID number START TI ME 12 34 56 Time WT 123 4567 g L WT 123 4612 g Weighing data 4511 g WT 123 4534 g WT 123 4712 g WT 123 4645 g END TI ME 12 40 15 Time S GNATURE a gt Signature A OS Tis End block c Space ASCII 20h lt TERM gt Terminator CR LF or CR CR Carriage return ASCII ODh LF Line feed ASCII OAh 45 To output the report to an AD 8121B use MODE 3 of the AD 8121B If MODE1 is used select temporary dump print mode by pressing the If the data memory function is used except dat a 0 the Title block and End block can not key of the AD 8121B key then release the key The weighing data is output according to the parameter setting of the data output mode is displayed then release the key Setting of i nf o 2 General format STA TERM 1 g lt TERM gt mmm A D lt TERM EL GH 300 lt TERM 01234567 lt TERM LAB 0123 TERM E lt TERM gt 2004 07 01 lt RT lt TERM gt E lt
23. and weighing magnetic materials Multiple weighing units with most of the common units used around the world Density mode for calculating the density of a solid Standard RS 232C serial interface to communicate with a computer Windows communication tools software WinCT to allow easy communication with Windows 1 3 Compliance 1 3 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 These rules are designed to provide reasonable protection against interference when equipment is operated in a commercial environment If this unit is operated in a residential area it may cause 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 Commission in the U S A 1 3 2 Compliance With EMC Directives C This device features radio interference suppression in compliance with valid EC Regulation 89 336 EEC 2 Unpaking 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 Weighing pan Pan suppo
24. breeze beyond the range of the balance on the weighing pan break ring Do not use a sharp instrument such as a pencil or ball point pen to press the keys use your finger only y Shock Press the RE ZERO key before each weighing to prevent possible errors NS Calibrate the balance periodically so as to eliminate possible errors Se Metal case Charged material Take into consideration the affect of air buoyancy on a sample when more accuracy is required Avoid that a foreign matter dust liquid or metal fragments much as possible Opening and closing door putting and removing sample Use a pair of tweezers pincette to avoid temperature changes due to heat from inserting your hand into the weighing chamber D invades into the inside balance Operate your balance gently Shorten the operation time as D L 3 3 After Use Avoid mechanical shock to your balance Do not disassemble the balance Contact your local A amp D dealer if your balance needs service or repair Do not use solvents to clean the balance For best cleaning wipe with a dry lint free cloth or a lint free cloth that is moistened with warm water and a mild detergent
25. cable for connection cable type straight through Using Windows Communication Tools Software WinCT When Windows is used as an operating system in a personal computer the provided WinCT software can be used to transmit the weighing data to the personal computer The WinCT software has two communication methods RsCom and RsKey Refer to the WinCT instruction manual Re om RsCom can transmit commands to control the balance RsCom can make bi directional communication between the balance and a personal computer using the RS 232C interface RsCom can display or store the data using a text file format RsCom can also print the data using a printer connected to the personal computer When several ports of a personal computer have balances connected can communicate with each balance simultaneously RsCom can share a personal computer with other application software RsCom can receive the 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 RsKey can receive the balance GLP report Using the WinCT software the balance can do the following Analyzing the weighing data and the statistics with RsKey The weighing data can be input directly into an Excel worksheet Then Excel can analyze the data to obtain total average
26. f Set each function as necessary 59 15 3 5 Command Sample This example is used the er Cd 1 of 5i f so that AK 06h code is outputted Example of ON command turning on the balance MS Computer j Ti Balance ON commnd Standby mode O N Cg Lp E A Cp Lp Response of recieving a command All segments All segemnts are displayed Finishing command Zero display Computer Balance R command Weighing mode 5 Response of recieving a command In process Finishing command Zero display 60 Example of CAL command Calibration with internal mass f llo i CAL command i i QUUUU s Zero display i C AIL en tg y lt Ag Cr Le Response of recieving a command Loud J K 3 Ax Cr Le Finishing command H G0000 Zem display Example of Error code This example is an error of R command er Cd 1 is used The balance transmits error code when received command can not be achieved WE Computer Sta Time Balance iR command C6910 s Unstable weighigng value R CR Le Tid Response of recieving a command In process When R command can not be achieved due to unsable weighing l Cg Lp Error code CAL command f Error When CAL command is received C A L
27. ki ERO F to 86 F ica ui Operating environment 5 C to 40 C 85 RH or less No condensation Display refresh rate 5 times second or 10 times second Minimum unit S 0 1m 34 mass SE 3 Number of O samples 10 25 50 or 100 pieces Minimum 100 idm 3 8 reference mass Ang Minimum 100 at display 0 01 0 1 96 1 Depends on the reference mass stored Interface RS 232C with Windows Communication Tools Software WinCT 300g External calibration 200g 200g 200g weiaht 100g 100g 100g 100g j 50g 50g 20g Weighing pan 990 mm External dimensions 217 W x 442 D x 316 H mm Power consumption Approx 11VA supplied to the AC adapter A RU E a Confirm that the adapter type is correct for the local voltage and power receptacle type Mass Approx 8 2 kg Operating environment does not include excessive change of ambient tempeature and humidity vibration draft magnetic fields and static electricity The internal mass may change due to corrosion or other damage caused by the operating environment or due to aging Check the internal mass periodically and correct the internal mass value if necessary 66 17 1 External Dimensions
28. lt DATE lt TERM gt 2004 07 01K lt TIME lt TERM gt wm mm me 12 34 56 lt CALIBRATED CAL WEIGHT lt TERM gt 200 0000 g lt TERM gt SIGNATURE lt TERM gt lt TERM gt lt TERM gt TERM TERM TERM gt TERM gt EXT TERM eae eee t Gee MEUS oe lt TERM gt lt TERM gt lt TERM gt Calibration test report using an external weight Note Calibration test does not perform calibration Key operation 1 Press and hold the 2 Cal 0 is displayed 3 CA E When updating the target value press the RANGE When using preset target value proceed to step 5 Specify calibration mass value using the following keys to select the blinking figure 4 RANGE key The key RE ZERO MODE key E PRINT key 5 When pressing the RE ZERO for few seconds 6 Put displayed mass on the pan Press the PRINT value is displayed for few seconds glp If GLP output is used Setting of i nfo 1 AD 8121 printer format A D GH 300 01234567 LAB 0123 DATE 2004 07 01 TI ME 12 34 56 CAL TEST EXT ACTUAL MODEL S N ID 0 0000 200 0002 TARGET 200 0000 SI GNATURE 9 9 9 CMT MEE key to display and release the key key The key to increase the value of the blinking figure The key to decrease the
29. outputs or stores calibration test report Refer to 11 2 GLP Report of the function table Remove e for details EN 9 The balance will automatically return to the weighing mode M cA n o N GLP output m 23 a o EH c3 EH EH c3 e 23 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 removed The internal mass value is corrected as follows lt gt ee gt O 20000069 Model Target Range 200g The same mass GH 120 100 000 g CEI Correct the internal GH 200 M mass by 0 6mg GH 300 1 5 mg 2000000 g Calibrate with this GH 202 200 000 g internal mass GH 252 Corrected external weight if 1 Calibrate the balance using the internal mass one touch calibration Example 200 0000 g is corrected to 0 6 mg 200 0006 g 2 Pressthe ON OFF key to turn off the display 3 While pressing and holding the PRINT key and the RANGE key dE
30. returns to the weighing mode 00UDO e Note If the automatic response adjustment fails the balance displays CH ng Check the ambient conditions such as breeze and vibration also check the weighing pan Then perform the adjustment again To return to the weighing mode press the CAL key If there is matter on the weighing pan the balance displays CH 0 Remove them from the pan To return to the weighing mode press the CAL key Advise If the automatic response adjustment is not helpful try 7 2 Manual Response Adjustment 17 7 2 Manual Response Adjustment 1 Press and hold the MODE key until RESPONSE is Press and hold displayed And then press the MODE key again quickly Release 2 Select a stage of the response adjustment using the MODE key Either FAST MID or SLOW m rd ae eee can be selected IFAST MID Select a parameter with pressing it Release and wait X 3 The balance automatically returns to the weighing mode after a few Advise If the automatic response adjustment is not helpful specify a parameter of Condition Cond of Environment Display ba5f nc in with key operation 18 8 Calibration 8 1 Calibration Group Calibration Automatic self calibrati
31. standard deviation maximum and minimum value and display them in a graph Controlling the balance using commands from a personal computer By using RsCom the personal computer sends commands such as re zero or send weighing data to the balance and controls the balance Printing the balance GLP report using your printer The balance GLP report can be printed using a printer connected to the personal computer Receiving weighing data at a certain interval The weighing data can be received at a certain interval and data characteristic with elapsed time can be obtained Using the balance memory function The data can be stored in the balance s memory Of the data stored the weighing data and calibration data can be transmitted to a personal computer at one time Using a personal computer as an external indicator With the RsKey test mode function a personal computer can be used as an external weight indicator for the balance To do this set the balance data output mode to stream mode 57 15 3 Commands 15 3 1 Command List Note A command has a terminator added that is specified using 5if CrIf of the function table and is sent to the balance Commands to query weighing data Cancels the S or SIR command Requests the weighing data immediately Requests the weighing data when stabilized Requests the weighing data immediately IR Requests the weig
32. that you perform automatic self calibration for precision weighing bag Advise 64 16 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 balance seems to have a problem with repeatability or to perform improperly check as described below If improper performance persists after checking contact the local A amp D dealer for repair Checking that the operating environment or weighing method is proper Operating environment Is the weighing table solid enough Is the balance level Is the operating environment free from vibration and drafts Is there a strong electrical or magnetic noise source such as a motor near the balance Weighing method Does the weighing pan touch the rim or anything Is the weighing pan and pan support installed correctly Is the RE ZERO key pressed before placing a sample on the weighing pan Is the sample placed in the center of the weighing pan Is the fine range breeze break ring installed on weighing of which the minimum display is 0 01 mg for GH 252 and GH 202 Has the balance been calibrated using the internal mass one touch calibration Has the balance been warmed up for one hour before weighing
33. the RANGE key is inactive Move the sample to the pan in liquid If the weighing value is stored or outputted press the PRINT key to store it after a stable weighing value is displayed Press the RANGE key to decide weighing value in liquid and proceed to next step RANGE key is inactive If the density value is stored or outputted press the PRINT key to store it Press the RANGE key to measure other sample and proceed to step 2 If the liquid temperature or the type of liquid is changed during measurement input again the value of the liquid density as necessary Press the MODE modes key to proceed to other 54 From Entering the density of a liquid Weighing in air g lights blinks Put sample to the pan in air Weighing in air g lights blinks Output or store Weighing in liquid g lights lights Output or store A Density display g turns off lights N 15 Standard Input amp Output Interface 15 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 10 times second or 5 tim
34. the command and when the balance has accomplished the command If the command can not be processed properly the balance transmits an error code EC Exx This error can be released using the CAL command CAL command Calibration command using internal mass ON command Display ON command P command Display ON OFF command R command RE ZERO command TST command Calibration test command When a communication error has occurred due to external noise or a parity error has occurred due to transmission error the balance transmits an error code In this case send the command again xx is error code number 15 3 3 Control Using CTS And RTS Depending on the Ct 5 parameter of Serial interface 5i f the balance performs as follows Ct5 0 Regardless of whether the balance can receive a command or not the balance keeps the CTS line HI The balance outputs data regardless of the condition of the RTS line Ct5 1 The CTS line is kept Hi normally When the balance can not receive the next command Example while the balance is processing the last command the balance sets the CTS line to Lo The balance confirms the level of the RTS line before outputting a set of data If the RTS level is Hi the balance outputs data If the RTS level is Lo data is not output The data is canceled 15 3 4 Settings Related To RS 232C Concerning the RS 232C the balance has two functions Data output dout and Serial interface 5i
35. where there is flammable or corrosive gas present 6 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 weighing value is influenced Ground the balance and m Eliminate the static electricity by AD 1683 as an accessory m Or try to keep the ambient humidity above 45 RH m Or use the metal shield case a Or wipe plastic sample with the wet cloth This balance uses a strong magnet as part of the balance assembly so please use caution when weighing magnetic materials If there is a problem use the underhook on the bottom of the balance to suspend the material away from the influence of the magnet Cancel the temperature difference between the weighed sample Magnet material and the environment When a sample is warmer cooler than the ambient temperature the sample will lighter heavier than true Pall mass This error is due to the rising falling draft next the sample 20 CT 40 C Make each weighing gently and quickly to avoid errors due to Weighing pan changes in the environmental conditions Before weighing of which the minimum display is 0 01 mg for GH 252 and GH 202 the fine range breeze break ring can be installed in place of the breeze break ring to avoid errors caused by draft Do not drop things upon the weighing pan or put a weight Fine range
36. 0 Every measurement n l 8seonds amp NUNC o AREE e 3 10 seconds ears nt oo j WTA E ES Interval time in the interval memory Intervaltime 3Oseconds 0 i mode when using prt 3 data 1 5 1 minute A e l 5mmte 8 10 minute d no i a No output Refer to 12 Data Memory Data number output 1 Output e No output Rd Eo EE Selects whether or not the time dout 5 td 1 mea J or date s added tothe weighing i i data Refer to 10 7 Clock an Data output Time Date output Ee BEE Calendar Function for details 5 1d Nou Selects whether or not the ID ID number output 1 Output number is output puse de 1 E Selects the data output interval Data output pause 1 Pause 1 6 seconds at f 0 Notused 111 Selects whether or not automatic Auto feed 1 Used feed is performed No output Selects GLP output method info ce 1 KIEFER For how to set time and date to be GLP output 1 AD 8121 format added refer to 10 7 Clock and 2 General data format Calendar Function ar d 0 Mouse O J Adjusts zero automatically after data Zero after output 1 Used is output ORG o HE l me 5 bps 2 2400 bps 50 Baud rate Al 4800 bps 1 PERLE 5 19200 bps 7 bits even sif Au 1l 7bisodd Data bit parity bit Qc Rec E Serial uid 8 bits none interface Cr f 0 CRIE NE CR ASCII code 0Dh _0_ A amp D s
37. 0g 50g 100g 200g 15 00mg to 15 99mg The calibration mass in bold type factory setting The calibration mass value can be adjusted within the range above Display This indicator means In process of measuring calibration data Do not allow vibration or drafts to affect the balance while the indicator is displayed About the internal mass The internal mass may change due to corrosion or other damage caused by the operating environment or due to aging Check the internal mass periodically and correct the internal mass value if necessary 8 2 Automatic Self Calibration 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 balance outputs the calibration report or stores the data in memory Automatic self calibration functions even if the display is turned off standby state Refer to 9 1 Permit Or Inhibit for the operation Caution When using automatic self calibration do not put something on the weighing pan If something is on the weighing pan the balance decides that it is in use and does not perform automatic self calibration When weighing a light sample or installing the balance in a system turn off automatic self calibration Note When turning on the balance with nothing on the pan if putting heavier sample than 0 5 g the balan
38. Calibration weight error The calibration weight is too heavy Confirm the calibration mass value Press the CAL key to return to the weighing mode EC E21 r D mem IT Calibration weight error The calibration weight is too light Confirm the calibration mass value Press the CAL key to return to the weighing mode IT Overload error A sample beyond the balance weighing capacity has been placed on the pan Remove the sample from the pan IT Weighing pan Error The mass value is too light Confirm that the weighing pan is properly installed and calibrate the balance 62 Display Error code Description Sample mass error The balance can not store the sample for the counting mode or for the percent mode because it is too light Use a larger sample 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 PRINT key Pressing the PRINT key without adding samples will shift the balance to the counting mode But to acquire accurate weighing be sure to add samples wee rv Automatic response adjustment zero error The automatic response adjustment can not be performed because there is something on the pan Clear the pan Press the CAL key to return to t
39. I Automatic Counting Accuracy Improvement If a few more samples are added the processing indicator turns on To prevent an error add three or more The processing indicator does not turn on if overloaded Try to add the same number of samples as displayed The balance re calculates the unit mass while the processing indicator is blinking Do not touch the balance or samples on the pan until the processing indicator turns off Counting accuracy is improved when the processing indicator turns off Each time the above operation is performed a more accurate unit mass will be obtained There is no definite upper limit of ACAI range for the number of samples exceeding 100 Try to add the same number of samples as displayed Remove all the samples used in ACAI and proceed with the counting operation using the improved unit mass From step 7 Add a few more samples at proper range The mark turns on y off during calculation The mark turns on and 55 PCS The mark turns off after 5 the unit mass is improved 55 PCS Renew E Note ACAI will not function on the unit mass entered using the keys or digital input mode 15 6 4 Percent Mode The percent mode displays the weighing value in percentage compared to a 100 reference mass and is used for target weighing or checking the sample variance Sel
40. O 1mg When a minimum display 0 1mg or 1mg is selected by the RANGE key even if pp izda af s Tee changing range minimum display is and cancel container maintained Minimum display 0 01 mg 13 6 3 Counting Mode PCS This is the mode to determine the number of objects in a sample based on the standard sample unit mass The unit mass means an average mass of the samples The smaller the variation in the samples the more accurate the count will be The balance is equipped with the Automatic Counting Accuracy Improvement ACAI function to improve the counting accuracy Note 1 Storing A 2 3 If the sample unit mass variable the difference from sample to sample is too large it may cause a counting error Selecting The Counting Mode Press the MODE key to select the unit pc Qo counting mode Sample Unit Mass Weighing Input Mode Press the RANGE key to enter the sample unit mass storing mode To select the number of samples using the RANGE key It may be set to 10 25 50 or 100 Advise A greater number of samples will yield more accurate counting result Place a container on the weighing pan if necessary Press the RE ZERO key to cancel the weight tare The number specified in step 3 appears Example 25 0 pcs is displayed if 25 is selected in step 3
41. PP Press and hold the PRINT key until reCall is displayed Indicators then release the key de Press the RANGE key to display out Weighing data ids without time and date Press the PRINT key to display out hb with no blinking Press the RE ZERO key to display out 6 with go blinking d Press the PRINT key to transmit all data using the RS 232C Weighing data with interface time and date The balance displays Press the Cl ear when all data is transmitted CAL key to return to the weighing mode Deleting all memory data at one time 1 N O Oo A W Iv Press and hold the Press the Press the Press the Press the The balance displays en Press the PRINT reCal key until RANGE Clear key several times to display PRINT Clr hb key to display with no blinking RE ZERO key to display Clr ap with go blinking PRINT key to delete all data ce CAL key to return to the weighing mode 49 when all data is deleted The balance displays is displayed then release the key reCal 12 3 Data Memory for Calibration and Calibration Test Calibration data when a
42. alibration or calibration test data The balance can output the following reports for GLP Calibration report of the calibration using the internal mass Calibration due to changes in temperature and one touch calibration Calibration report of the calibration using an external weight Calibration test report of the calibration test using an external weight Title block and End block for the weighing data Calibration and calibration test data can be stored in memory to output several reports at the same time Refer to 12 Data Memory for details For details on confirming and setting the time and date for the GH series Refer to 10 7 Clock and Calendar Function 11 1 Setting The ID Number 1 Press and hold the RANGE key until ba5f nc of the function table is displayed then release the key d 2 Press the RANGE key several times to display 3 Press the PRINT key Set the ID number using the following keys RE ZERO key The key to set the character of the digit selected Refer to the display character set shown below RANGE key e The key to select the digit to change the value PRINT key The key to store the new ID number and display ba5f nc CAL key en The key to cancel the new ID number and display ba5f nc
43. ass One touch calibration 0 Toinhibit calibration using the internal mass 1 Topermit calibration using the internal mass ____ Calibration using the external weight 0 Toinhibit calibration using the external weight 1 To permit calibration using the external weight Automatic self calibration due to changes of ambient temperature 0 To inhibit automatic self calibration 1 To permit automatic self calibration Internal mass correction 0 Toinhibit correction 1 To permit correction 9 2 Initializing The Balance Note 1 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 External calibration weight and target mass value Function switch settings 25 Permit Or Inhibit Liquid density and temperature in the density mode Press the While pressing and holding the key press the RANGE Press the Press the To cancel this operation press the Press the Press the ON OFF RANGE key to display RE ZERO PRINT Be sure to calibrate the balance after initialization key to turn off the display PRINT key and the ON OFF key to display p5
44. ation must connect the GND line to the PRINT or RE ZERO line for at least 100 mili seconds PRINT a O RE ZERO E om e AT GND Terminal Foot swtch AX SW128 The switch can be used to connect the external key plug and used to the RE ZERO aah and PRINT keys oot switc Note When using the foot switch connect E AX SW128 and AX T 314A S by yourself 68 Other accessories Order code Name and description Rechargeable Battery AD 1682 This option allows use of the balance in a place where AC power is not available Static Eliminator AD 1683 This option can be used to eliminate the static electricity of weighing samples Keyboard Adapter AD 8524A B This option can be used to connect the balance to a personal computer with appropriate OS and applications Remote Display AD 8920 This option can be connected to the balance using the RS 232C interface 69 18 Terms Index 18 1 Terms Calibration Calibration weight Data number Digit Environment External weight GLP GMP Internal mass ISO Repeatability Re zero Sensitivity drift Stabilization time Tare Target mass Zero point Adjustment of the balance so that it can weigh accurately A weight used for calibration Numbers assigned sequentially when weighing data or unit weight is stored T
45. ble value Data Unit Terminator JH Stable value y Unstable value MT format dif type 3 A header of two characters indicates the balance condition The polarity sign is used only for negative data The weighing data uses spaces in place of the leading zeros The character length of this format changes dependent upon the unit S sese ls es ue 112 17 8 lg ICRILF Header Data Unit Terminator Stable header Unstable header Overload header C lu NU numerical format if type 4 This format outputs only numerical data This format consists of ten characters excluding the terminator The polarity sign is placed before the data with the leading zeros If the data is zero the plus sign is used 0 0 0 0 1 2 7 8 CRILE Data Terminator 34 CSV format dif type 5 This format separates the data of A amp D standard format and the unit by a comma This format outputs the unit even when the data is overloaded When a comma is selected for decimal point separators are set to semicolon When the ID number data number time and date are added at Data output dout of the function table outputs ID number data number date time and we
46. ce detects the state that a sample is put on the pan The mark is prior notice indicator of automatic self calibration d When the balance detects a change in ambient temperature this indicator blinks and automatic self calibration is required If the balance is not used for several minutes with this indicator blinking the balance preforms automatic self calibration The environment will affect the time that the indicator blinks a rpi The balance is measuring calibration data Do not allow vibration or drafts EM to affect the balance while this indicator is displayed After calibration the balance returns to indicate the previous display Advise The balance can be used while the indicator blinks But it is recommended that to maintain the accuracy stop using the balance and confirm that there is nothing on the pan and allow the balance to perform self calibration 8 3 One Touch Calibration This function calibrates the balance using the internal mass The only operation required is to press the CAL key 1 Connect the AC adapter and warm up the balance for at least one hour with nothing on the weighing pan 2 Press the CAL key to display Cal inj 3 The balance performs calibration using the internal mass eee Do not allow vibration or drafts to affect the balance CAL in 4 The balance displays end after calib
47. d Display refresh rate 28 31 Eb tee ee 9 10 37 Stabilization time wo cece cece ese 66 69 Unit WAIT betitelt 30 Start Title BIOGK A dca 45 WinCT Communication Tools 57 5t b Stability band width 28 31 Zero POINT Cette tao germen 69 72 A amp D Company Limited 3 23 14 Higashi Ikebukuro Toshima ku Tokyo 170 0013 JAPAN Telephone 81 3 5391 6132 Fax 81 3 5391 6148 A amp D ENGINEERING INC 1555 McCandless Drive Milpitas CA 95035 U S A Telephone 1 408 263 5333 Fax 1 408 263 0119 A amp D INSTRUMENTS LTD Unit 24 26 Blacklands Way Abingdon Business Park Abingdon Oxon OX14 1DY United Kingdom Telephone 44 1235 550420 Fax 44 1235 550485 German Scales Office Gro e Strae 13 b 22926 Ahrensburg GERMANY Telephone 49 0 4102 459230 Fax 49 0 4102 459231 A amp D MERCURY PTY LTD 32 Dew Street Thebarton South Australia 5031 AUSTRALIA Telephone 61 8 8301 8100 Fax 61 8 8352 7409 A amp D KOREA Limited 8th Floor Manhattan Bldg 36 2 Yoido dong Youngdeungpo ku Seoul KOREA Telephone 82 2 780 4101 Fax 82 2 782 4280
48. e gt IRE ZERO key and proceed to step 5 Setting the time 5 Set the time in 24 hour format using the following keys RANGE key The key to select the digits to change the value The selected digits blink RE ZERO key The key to increase the value by one MODE key The key to decrease the value by one PRINT key The key to store the new setting display Proceed to date end and proceed to step 6 setting mode CAL key en The key to cancel the new setting and proceed to step 6 Confirming the date pec 6 The current date is displayed with all the digits blinking d dad To change the display order of year y month m and day d press Eua od the MODE key The date is outputted in the order as specified When the date is correct and the operation is to be finished press the CAL key and proceed to step 8 When the time is to be confirmed again press the RANGE key and proceed back to step 4 When the date is not correct and is to be changed press the RE ZERO key and proceed to step 7 Note The year is expressed using a two digit format For example The year 2004 is expressed as 04 38 Setting the date 7 Setthe date using the following keys RANGE key The key to select the digits to change the value The selected digits blink
49. e after this calibration Setting of i nfo 1 Setting of i nfo 2 AD 8121 printer format General format A amp D lt Manufacturer 777 777 a amp D lt TERM gt MODEL GH 300 Model gt MODEL GH 300 lt TERM gt S N 01234567 lt Serial number S N 01234567 lt TERM gt ID LAB 0123 D number ID LAB 0123 lt TERM gt DATE 2004 07 01 Date gt DATE lt TERM gt TI ME 12 34 56 Time 2004 07 01 lt TERM gt CALI BRATED I NT Calibration type TIME lt TERM gt SIGNATURE f a NRI Inh 12 34 56 lt TERM gt Signature CALIBRATED INT lt TERM gt ON SIGNATURE TERM TERM TERM TERM CUN TT TERM TERM c Space ASCII 20h lt TERM gt Terminator CR LF or CR CR Carriage return ASCII ODh LF Line feed ASCII OAh 41 Calibration test report using an internal mass Note Calibration test does not perform calibration Key operation OO OO P Go h Commad CC is displayed and the balance is tested automatically Zero point is weighed and the weighing value is displayed for few seconds Internal mass is weighed and the weighing value is displayed for few seconds If GLP output is used g p is displayed and the calibration test report is outputted The balance returns to weighing mode after this test Press and hold the key to display and release the key This calibration test report can be perfo
50. e indicator of automatic self calibration Interval memory v active indicator Key Operation Press and release the key immediately or Click the key i Press and hold the key RE Ke lt When pressed and released When pressed and held The key to turn the display ON and OFF The standby indicator is displayed when the display is turned off The weighing mode is enabled when the display is turned on This key is available anytime Pressing the key during operation will interrupt the operation and turn the display OFF In the weighing mode the key to turn the Hod minimum weighing value ON and OFF The key to enter the function table hadi In the counting or percent mode the key mode Refer to 10 Function Table to enter the sampling mode The key to switch the preset weighing units stored in the function table Refer to 5 Weighing Units t The key to perform automatic response adjustment SIE The key to perform calibration using the The key to display other items of the internal mass calibration menu No function at the factory setting The key to store the weighing data in By changing the function table o memory or outputs to a printer or personal Title block and End block for m computer depending on the function table GLP report are outputted settings Factory setting output The data memory menu is dis
51. e is incorrect repeat the correction 24 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 d protecting ata for the RS 232C interface There are five switches for the purpose of parameters Each switch can select either permit or inhibit The inhibit protects parameters against unintentional operations 1 Press the ON OFF key to turn off the display 2 While pressing and holding the PRINT key and the RANGE key press the 3 Press the ON OFF key to display p5 PRINT key Then the balance displays the function switches 4 Specify the switches using the following keys RANGE key The key to select blinking digit RE ZERO key The key to change the parameter of 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 and return to the weighing mode CAL key een The key to cancel current operation and return to the weighing mode Q MMIII ATUTI AAAA EA table 0 Toinhibit changes to the function table 1 To permit changes to the function table Calibration using the internal m
52. ecting The Percent Mode 1 Press the MODE key to select the unit Percent mode If the percent mode can not be selected refer to 5 Weighing Units o Se The 100 Reference Mass Press the RANGE key to enter the 10096 reference mass storing mode Even in the storing mode pressing the switch to the next mode MODE key will 3 Place a container on the weighing pan if necessary Press the RE ZERO key to cancel the weight tare The balance displays 100 0 4 Place the sample to be set as the 100 reference mass on the pan or in the container 5 Press the PRINT key to store the reference mass The balance displays 10000 9 The decimal point position depends on the reference value The reference mass stored even if the AC adapter is removed is maintained in non volatile memory Note Position of decimal point can be changed by 10096 mass 6 100 mass Minimum display 0 0100g to 0 0999g 1 0 1000g to 0 9999g 0 1 1 0000g to weighing capacity 0 01 If the balance judges that the mass of the sample is too light under 0 01g to be used as a reference it displays lo A 100 mass can be stored in the balance without power supply Remove the sample Reading The Percentage 7 Place a sample to be compared to the reference mass
53. eighing data but calibration data or unit mass data remains in memory Under such a condition before storing data delete the data in memory as follows 1 FC LL ZAAN Releasing CI r or err 1 Press and hold the PRINT key until SCIr_ 6 with no blinking is displayed then release the key Press the RE ZERO key to display SCI r_ with go blinking The type of data stored in memory appears in the upper left of the display as shown below Weighing data without time and date Weighing data with time and date Calibration report Hi 5 Press the PRINT key to delete all the data in memory The balance displays end and returns to the weighing mode 46 12 2 Data Memory for Weighing Data 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 non volatile memory It is not necessary to connect the printer or personal computer to the balance continually because the balance stores the weighing data in memory The data in memory can be outputted at one time to a printer or personal computer The data in memory can be displayed on the balance for confirmation Data ID number data number time and date to be added to the output data can be selected in the function setting
54. es second same as data refresh rate Data format Baud rate 600 1200 2400 4800 9600 19200bps Data bits 7 or 8 bits Parity Even Odd Data bits 7 bits None Data bits 8 bits Stop bit 1 bit Code ASCII RS 232C E SE FS pes 1 5V to 15V o 5V to 15V Data bits L Stop bit Start bit Parity bit D Sub 25 pin assignments Pin No Signal name Direction Description 1 No connection 2 TXD Output Transmit data 3 RXD Input Receive data 4 No connection 5 SG Signal ground 6 DSR Output Data set ready 7 RTS Input Request to send 8 CTS Output Clear to send 9 No connection 4 40UNC Singal names of the balance side are the same as the DTE side with TXD and RXD reversed Balance side Computer side DCE DTE Es RXD a 4 TXD ENS 4 RTS go gt 5 e E ek gt DSR SG 15 SG Inside of balance Terminals sample 55 15 2 Connection to peripheral equipment Connection To The AD 8121B Printer Preset the following parameters to use the AD 8121B printer Function setting Description dout prt 0to3 Selects a print mode dout ap p 0to2 Selects the polarity for the auto print mode dout ap b 0to2 Selects the auto print difference dout pU5e 0 1 Selects data output pause bif bp5 2 Factory setting 2400 bps dif btpr 0 Factory setting 7 bits Even parit
55. fications are subject to change without any obligation on the part of the manufacturer Under the copyright laws the instruction manual and the software program described in it are copyrighted with all rights reserved The software may be installed into one computer and may not be installed into other computers without the prior written consent of A amp D Company Copying includes translation into another language reproduction conversion photocopy and offer or loan to another person The purchaser may make one copy of the software for backup purposes The manual and the software may not be copied in whole or part except as described above Windows Word and Excel are registered trademarks of the Microsoft Corporation 2004 A amp D Company Limited All rights reserved Basic Operation 1 at e HO EE 3 1 1 About This ATU EE 3 1 2 cuin mec 3 1 3 HE 4 2 Unpaking the ie 5 2 1 Installing The Balance aaa 6 3 PF SCAUMONNS fcc ee lo dd de 6 3 1 Bole US ota tala lla tada ado 6 3 2 lie EE 7 3 3 jiu Bra ER 8 3 4 ele 8 Display Symbols and Key Operation sse 9 Weighing gru D 10 m Bree TN 10 5 2 Ghanging the TG 11 6 e elle EE 12 6 1 Basic Operation Gram Mode 12 6 2 Dial Rinde A E A A EA EE 13 6 3 COUNTING Mode POS d ta cb at a itte qum aa epi Ee e 14 6 4 Percent Mode 76 Tc 16 ne To The Environment 7 Response Adjustment eee NEEN teens nete trennen ennt
56. he minimum weighing value available Used for the balance one digit is the smallest mass that can be displayed Ambient conditions such as vibration drafts temperature static electricity and magnetic fields which affect the weighing operation The weight that you have Good Laboratory Practice Good Manufacturing Practice Built in calibration weight International Organization for Standardization Variation in measured values obtained when the same mass is placed and removed repetitively Usually expressed as a standard deviation Example Standard deviation 1 digit This means that measured values obtained when the same sample is placed and removed repetitively fall within 1 digit in the frequency of about 68 To set the display to zero An affect that a change in temperature causes to the weighing data Expressed as a temperature coefficient Example Temperature coefficient 2 ppm C If a load is 10 g and the temperature changes by 10 C the value displayed changes by the following value 0 0002 C x 10 C x 10g 0 0002 g Time required after a sample being placed until the stabilization indicator illuminates and the weighing data is displayed To cancel the mass value of a container which is not to be included in the weighing data Normally refers to an operation of placing a container and setting the display to zero An external weight used for calibration test A weighing reference point Usually refers to
57. he weighing mode whee ry ru nion Automatic response adjustment unstable error The automatic response adjustment can not be performed because the mass value is unstable Check the ambient conditions such as breeze vibration and magnetic fields also check the weighing pan Press the CAL key to return to the weighing mode Clock battery error The clock backup battery has 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 the local A amp D dealer Memory full The amount of weighing data in memory has reached the Blinking maximum capacity Delete data in memory to store new data For details refer to 12 Data Memory Memory full The amount of calibration or calibration test data in memory III 1 i FUL Illuminated has reached the maximum capacity 50 sets The data in memory will be deleted automatically to store new data For details refer to 12 Data Memory Memory type error Type of memory set in the function table and type of data stored are different For details refer to 12 Data Memory EC E00 Communications error A protocol error occurred in communications Confirm the format baud rate and parity EC E01 Undefined command error An undefined command was received Confirm the command
58. hing data continuously NJUTIT RO Commands to control the balance CAL Same as the CAL key OFF Turns the display off ON Turns the display on P Same as the ON OFF key PRT Same as the PRINT key R Same as the RE ZERO key RNG Same as the RANGE key TST Perform calibration test U Same as the MODE key Commands to request data ID Requests the identification number SN Request the serial number of the balance TN Request the model name of the balance 58 15 3 2 Acknowledge Code And Error Codes When the Serial interface function 5i f parameter is set to er Cd 1 the balance outputs AK code or error code to each command as follows AK 06h Acknowledge in ASCII code When the balance receives a command to request data and can not process it the balance transmits an error code EC Exx When the balance receives a command to request data and can process it the balance outputs the data When the balance receives a command to control the balance and can not process it the balance transmits an error code EC Exx When the balance receives a command to control the balance and can process it the balance transmits the acknowledge code Among commands to control the balance the following transmit the acknowledge code both when the balance receives
59. ighing range of the balance Calibrate your balance periodically to maintain weighing accuracy Refer to section 8 Calibration Basic Operation Gram Mode Read section 4 Display symbols and Key operation before operation Note When turning on the balance that is put the cantainer on the pan display becomes zero by tare function automatically 1 Turn on thebalance using the Select a preset unit of g or mg using the ON OFF key MODE key Put the container on the weighing pan if necessary Press the RE ZERO key to cancel net weight Then zero is displayed A vessel placed on the pan but not to be included in the weighing data Container Place sample on the pan or in the container Wait for the stabilization indicator O value and read the 6 Remove the sample and container from the pan 12 o nnnnn UUUUU a iL Container Weighing pan RE ZERO Stabilization eh nnnnn indicator UUUUU Y Sample Remove them 6 2 Dual Range GH zc ang SET 202 Available minimum display Precision range Og to 101g Og to 51g 0 01mg O 1mg mg Standard range 101g to 250g 51g to 220g 0 1mg 1mg GH 252 and GH 202 are equipped Precision Range Standard Range with two ranges of precision range Turn on the balance Turn on the ba
60. ighing data in this order and separates each item by a comma and treats all the items as one group of data LAB 123 No 012 2004 07 01 12 34 56 ST 0000 1278 g lt CR gt lt LF gt ID number Data number Date Time Weighing data S T 1 0 0 0 1 2 7 8 III g CRLF L 1 9 9 9 9 9 9 9E 1 9 g Crle ID number dout 5 id 1 The number to identify a specific balance This format consists of seven characters excluding the terminator LAB 01 2 3 C nLlr Data number dout d no 1 This format outputs the data number just before the data is transmitted using the RS 232C interface This format consists of six characters excluding the terminator When CSV format 5i f type 5 is selected the period is replaced with a comma Nlo 0 10 1 CqLpE Data number Terminator Date dout 5 td 2 or3 The date output order can be changed in Time Date output 5 t d and Clock Cl adj The year is output in a four digit format 210101 IRAK AN AE CRLF Time dout 5 td 10r3 This format outputs time in 24 hour format 1 2 314 5 6 CRLF 35 10 6 Data Format Examples
61. ing 5t b 2 This parameter ignores slight fluctuation of a mass value Used to prevent a mass value from drifting due to vibration or drafts Zero tracking trc This function tracks zero point drift caused by changes in the environment and stabilizes the zero point When the weighing data is only a few digits turn the function off for accurate weighing trc 0 Thetracking function is not used Used for weighing a very light sample trc 1 The normal tracking function is used trc 2 The middle tracking function is used trc 3 The strong tracking function is used Used for stable zero display Display refresh rate 5pd Period to refresh the display This parameter influences Baud rate Data output pause and 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 Used when the balance is built into an automated system one hour warm up is necessary for accurate weighing 31 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 dat a parameter is set to 2 to store the weighing data and when the data is transmitted using the RS 232C interface Key mode When the PRINT key is pressed with the stabilization indictor turned on
62. it d in the function table Refer to 5 2 Changing Units 2 Selecting a way to set the density of a liquid Select the liquid density input method from the function table below Note The function table is available only when the density mode d5f nc is selected d5f nc is displayed next 5i f when density mode is active at Uni ps Class Item and Parameter Description d5 fnc Idin 0_ Water temperature Density function Liquid density input 1 Liquid density is factory setting 52 En tering the density of a liquid Two ways to set the density of a liquid are available in the function table Liquid density input I di n by entering the water temperature or by entering the density directly Press the key as necessary to select the density mode pnnnn When the density mode begins g gram is displayed and the processing indicator e blinks g Entering the water temperature din 0 The water temperature currently set unit C factory setting 25 C is L de displayed Use the following keys to change the value 26 RE ZERO key The key to increase the temperature by one degree 0 C is displayed after 99 C MODE key The key to decrease the temperature by one degree 99 C is displayed after 0 C PRINT key The key to store new water temperature display end and return to the density mode Proceed
63. lance and standard range The range is switched automatically 000 9 depending on the value displayed ane Minimum display 2108 Y Minimum display Pressing the RE ZERO key allows 0 1mg 0 1mg weighing in the precision range o mnnnnn o 3nnnn UUUUUU IQ ODUU g 0d Gi regardless of the tare value 2 Aer inimum display Tinian display Pressing the RANGE key the Ed 0 01mg E img 9 range can be switched these ranges alternately Minimum display When putting and weighing the sample with precision range of minimum display Minimum display 0 01 mg minimum display is changed to 0 01mg 0 1 mg of standard range When removing the sample minimum display is changed to Virum e 0 01 mg of precision range automatically 0 1mg Minimum display 0 01mg When a tare weight container mass value amp qnn exceeds precision range even if net weight HUTH Minimum display is within precision range 0 01 mg of SS 0 01mg precision range can not be selected for minimum display In order to select 0 01 1200000 s Be Minimum display mg of precision range remove tare weight pS 0 1mg and press the RE ZERO key to cancel it RE ZERO 0080 a Zero display after putting S container eS E 5 Minimum display
64. mit all memory data using the RS 232C interface a A CO N The balance displays Cl ear when all memory data is output Press the CAL key to return to the weighing mode Deleting data stored in memory Press and hold the PRINT key until out is displayed then release the key Press the SAMPLE key to display Cl ear In the upper left Press the PRINT key to display Cr he with no blinking of the display Hub Press the RE ZERO key to display Cl r 6 with go blinking Press the PRINT key to delete all data oa A c N The balance displays out when all the data has been deleted Press the CAL key to return to the weighing mode 50 13 Underhook The underhook can be used for magnetic materials or density measurement The built in underhook is revealed by removing the cover plates on the bottom of the balance Use the underhook as shown below Caution Do not apply excessive force to the underhook When not in use attach the cover plate to prevent dust from getting into the balance Do not push the underhook upward When turnig over the balance the weighing pan pan support breeze breakring and dust plate fall off Remove them first While removing the cover weighing error may occur because draft breezes into the internal
65. n weighing data is being stored in memory the data can not be output to a personal computer using the RS 232C interface f UI indicates that memory is full or the memory capacity has been reached More data can not be stored unless the memory data is deleted 47 Automatic self calibration can not be used while the interval memory mode is active The following commands can not be used during data storage Q Query command for weighing data Query command for stable weighing data Setting the function table Parameter settings for each output mode are as follows S SI Query command for weighing data SIR Query command for continuous weighing data Item Data output Auto print polarity Data memory Interval time Mode mode difference function Key mode prt 0 Not used data 1 Auto print mode A prt 1 ap a 0 2 data 1 Not used Auto print mode B prt 2 ap b 0 2 data 1 Interval memory mode prt 3 Not used data 1 int 0 8 Additional parameter settings as follows No d no 0 NO 5 Data number Yes d no 1 e Time only 5 S Time and date ib mumbsr No 5 id 0 Date only 5 Yes 5 id 1 Both 5 Enabling the data memory function 1 N O 0d fF 0 Iv Press and hold the key until Press the Press the Press the Press the Press the Press the RANGE PRINT RANGE RE ZERO
66. nd how it is performed and calibration test data can be stored in memory All the data in memory is available to be output at one time to a printer or personal computer Up to 50 data sets of the latest calibration or calibration test can be Indicator stored When the memory capacity has been reached f Ul uL illuminates in the upper left of the display as shown below Storing the calibration and calibration test data Note If CI r appears blinking in the upper left of the display delete the data in memory Store the calibration and calibration test data as follows 1 Setthe Data memory dat a parameter to 2 Set the GLP output i nf o parameter to 1 or 2 With the settings above each time calibration or calibration test is performed the data is stored automatically Transmitting the memory data Note Confirm that the Serial interface 5i f parameters are set properly Refer to 10 Function Table and 15 2 Connection To Peripheral Equipment Confirm that the Data memory dat a parameter is set to 2 1 Press and hold the PRINT key until out is displayed In the upper left then release the key of the display Press the PRINT key to display out hb with no blinking His Press the RE ZERO key to display out 86 with go blinking Press the PRINT key to trans
67. nternal mass error 62 er Cd AK Error code 30 error 1 Stability emt nee 62 error 6 Internal mass error 62 error 7 Internal mass error 62 Error COGO ere 62 ENER e 19 69 EAST umb tc E 17 SG EE H f Ul Memory full 47 50 63 EI EE 69 EISEN 69 Hi 5 Calibration report 46 id ID number setting 30 ID Number EE 35 40 info GLP output i ines eres 29 int Interval me 29 KE FORMAL gt aladas 34 Idin Liquid density input 30 lo Sample mass error 63 MIDE 1 gies 17 MTT0 MAL arancel daba 34 ll le Rtl E EE 34 out Report output 49 50 05 internal mass correction 26 pnt Decimal point 28 31 p on Auto display ON 28 31 prt Data output mode 28 32 puse Data output pause 29 recend End bolck iussa bre e totiens 45 Patenter 66 69 BEER ao ua id 69 eleng Zem teste 57 TANG a e Dd EE 12 69 rtc Clock battery error 63 Targ t made acus caos ano 69 Bio aaa nooo 59 tre Zero tracking ems 28 31 5 id ID number output 29 t Up TATIBOUE isto neo 30 d Serial interface 29 type Data TO Malas nana 29 SLOWS peda 17 PCS Unit of counting mode 14 5p
68. nting mode pcs pcs Percent mode Ounce Avoir Oz 02 28 349523125 g Troy Ounce ozt ozt 31 1034768 g Metric Carat ct el 0 29 Momme mom mom 3 759 Pennyweight dwt dwt 1 55517384 g Grain UK GN D 0 06479891 0 Tael HK general Singapore 37 7994 g Tael HK jewelry i 8 37 429 y Tael Taiwan 37 59 Tael China 31 259 Tola India t t 11 6638038 g Messghal m m 4 6875 g Density mode d Refer to 14 Density Measurement 5 2 Changing the Units The units or modes can be selected and stored in the function table The sequence of displaying them can be arranged so as to fit the frequency of use in the function table 1 Press and hold the RANGE key until ba5fnc function table is displayed in the weighing mode then release the key 2 Press the RANGE 3 Press the PRINT key several times to display of the Unit To key to enter the unit selection mode 4 Specify a unit or mode in the order to be displayed using the following keys O RANGE key To display the units sequentially RE ZERO key To specify a unit or mode The stabilization indicator appears when the displayed unit or mode is specified Examples Unit Display Gram g nit a Milli gram mg Unt ng Counting mode pcs lat Percent mode Unit Densitymode d Unt d
69. o change the value S The range to set the density is 0 0000g cm to 1 99999 cm RE ZERO key The key to set the value of the digit selected RANGE key The key to select the digit to change the value PRINT key ee The key to store the change display end and return to the density mode Proceed to Step 1 CAL key en The key to cancel the change and return to the density mode Proceed to Step 1 53 Measuring the density Note If the liquid temperature or the type of liquid is changed during measurement input again the value of the liquid density as necessary Density display is four decimal places Minimum display can not change with the RANGE key Denisty is displayed after Mass measurement in air and Mass measurement in liquid The procedure of each measurements is as follows Enter the density mode that g gram is displayed and the processing indicator blinks Put nothing on both pan and press the RE ZERO key to display zero Put the sample on the pan in air If the weighing value is stored or outputted press the PRINT key to store it after a stable weighing value is displayed Press the RANGE key to decide weighing value in air and proceed to next step Note H negative value or E out of range is Note If E out of range is displayed the 4 displayed
70. on Calibration due to changes in temperature Calibration using the internal mass One touch calibration Calibration using an external weight that you have Calibration Test Calibration test using the internal mass Calibration test using target mass that you have Correction of the internal mass value Correction of the internal mass value Caution Do not allow vibration or drafts to affect the balance during calibration Calibration test does not perform calibration To output the data for GLP using the RS 232C interface set GLP output i nf o of Data output dout Refer to 10 Function Table Time and date can be added to GLP report If the time or date is not correct adjust them Refer to 10 7 Clock and Calendar Function Calibration test is available only when GLP output i nf o of Data output dout is set The calibration and calibration test data can be stored in memory To store them set Data memory dat a Refer to 12 Data Memory for details Caution On Using An External Weight The accuracy of an external weight can influence the accuracy of weighing Select an appropriate weight as listed below Select a mass for calibration and calibration test from the following table Model Usable calibration mass Adjustable range GH 120 50g 100g GH 200 100g 200g 15 0mg to 15 9mg GH 300 100g 200g 300g GH 202 GH 252 2
71. on sthe pan The displayed percentage is based on the 100 reference mass 16 o Pan K co EH c3 ga Container o 10096 mass Place sample Percentage 1413 7 Response Adjustment This function stabilizes the weighing 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 The function has three stages as follows Response Indicator Parameter Response Stability datar FAST Cond 0 Fast response Sensitive value MID Cond 1 o nnnnn SLOW Cond 2 Slow response Stable value UUUUU s 7 1 Automatic Response Adjustment This function automatically updates the response adjustment by analyzing the influence of the environment using the internal mass 1 Press and hold the MODE key until RESPONSE is displayed and then release the key Press and ho ld O An purse 2 The balance automatically sets the response characteristic Caution Do not allow vibration or drafts to affect the e sase S balance during adjustment CH uyyy Result EXE E E 3 After automatic adjustment the balance displays the L updated response indicator and
72. played REZERO The key to set the display to zero 5 Weighing Units All weighing units and weighing modes are as follows Counting mode E eee mode ie g Jj mg pes D oz 9 oz ct d m t qu T M a inei A Density mode To use this mode it must be stored in the function table as described on the next page For details about this mode refer to 14 Density Measurement To select this mode press the MODE key until the processing indictor a blinks with the unit g displayed A unit or mode can be selected and stored in the function table as described in 5 2 Changing the Units If the law in your area permits you may use all of the units You can disable the units that you don t regularly use And you are able to turn them back on If a weighing mode or unit of mass has been turned off that mode or unit will be missing in the sequence Tael has four varieties one of which can be selected and installed at the factory o To select a unit or mode for weighing press the MODE key For details about the units and modes see the table below Name unit mode Abbreviation Display unit oe Gram g g 1g milli gram mg ng 0 001 g Cou
73. press the ON OFF key The balance displays p5 Press and hold Press 4 Press the PRINT key Then the balance displays the function switches Set the function table switch and internal mass correction switch to 1 as shown above using the following keys RANGE key The key to select blinking figure RE ZERO key The key to change the value of the blinking figure PRINT key The key to store it and return to weighing mode CAL key en The key to cancel current operation EC Function table switch A x xx Correction switch of internal mass Weighing mode 5 Press and hold the RANGE key to enter the function table and release the key when ba5f nc is displayed Besser held 6 Press the RANGE key several times until C5 in is displayed RANGE then release the key bASEnc 7 Press PRINT key Correct the internal mass value using the ve following keys RANGE RE ZERO key The key to select the value MODE key The key to select the value L PRINT keye The key to store the new value and display the Ea next menu item of the function table e en CAL key en The key to cancel this correction and display noe the next menu item of the function table 206 s 8 Press the CAL key to return the weighing mode PANT 9 Press the CAL key to calibrate the balance using the internal mass id MEA 10 Check the correction that has been performed properly with the external weight If the valu
74. ration If the GLP output is ES set the balance displays g p and outputs the calibration ERE x ENERO INIM report using the RS 232C interface or stores the data in memory Refer to GLP output i nf o and Data memory dat a of the GLP output Ais function table End 5 The balance will automatically return to the weighing mode after G calibration 00000 6 Confirm weighing accuracy using calibration test CC in 20 8 4 Calibration Test Using The Internal Mass This function tests the balance accuracy using the internal mass Balance isn ot calibrated When the GLP output is set the calibration test report is output or stored 1 Connect the AC adapter and warm up the balance at least one hour 2 Press and hold the CAL key until is CC in displayed CAL wo O EC mn Release 3 The balance measures the zero point Een Prevent vibration and drafts to affect the balance SS 4 The measured zero point data is displayed i 00000 5 The balance measures the full scale data aa lt Prevent vibration and drafts to affect the balance EL 7 The full scale data is displayed The tolerance S of the full scale data is 0 2mg QUUDUUU s Model Full scale data GH 120 100 000 g End GH 200 GH 300 GH 202 GH 252 POS 8 When the GLP output is set the calibration test report i
75. rmed with commad TST Setting of i nfo 1 AD 8121 printer format A D GH 300 01234567 LAB 0123 DATE 2004 07 01 TI ME 12 34 56 CAL TEST I NT ACTUAL 0 0000 200 0002 TARGET 200 0000 SI GNATURE MODEL S N ID 9 9 g bert ase Setting of info 2 General format lt Manufacturer 777777 A amp D lt TERM gt Model gt MODEL Gx 30K lt TERM gt Serial number gt S N 01234567 lt TERM gt ID number gt ib 777 LAB 0123 lt TERM gt Date DATE lt TERM gt Time 2004 07 01 lt TERM gt lt Calibration testtype TIMETERM gt AM 12 34 56 lt TERM gt Zero point value CAL TEST INT TERM lt Target weight value EN ACTUAL lt TERM gt DS reer nd rine e 0 0000 g lt TERM gt Target weight 200 0000 g lt TERM gt TARGET lt IERM gt Signature 200 0000 g lt TERM gt EE SIGNATURE TERM TERM TERM HEGER TERM TERM TERM Space ASCII 20h lt TERM gt Terminator CR LF or CR CR Carriage return ASCII ODh LF Line feed ASCII OAh 42 Calibration report using an external weight Key operation Press and hold the key to display Cal out and release the key 1 2 3 4 is displayed When updating the calibration mass value press the key and proceed to step 4 When using preset calibration ma
76. rna tias 19 23 69 Calibration test EEN 19 Cin Calibration test 21 CC out Calibration test 23 CH 0 Response em 63 Cl adj OIGGK Aeeeehe 28 Clr Initializing the balance 26 Cond Condition 17 28 31 Crif TI Ora ad 29 C5 in Internal mass correction 30 CSV ortrial teta eee erue 35 Ct5 CTS RTS ocontrol 30 CIS e a a AN 59 d Weighing data with calender 46 data Data memory ascen quse 28 Data numbers ab aste cedet ec og 69 DIGI O Aa ea e 69 d no Data number Output 29 dout Data output 28 29 32 d5 fnc Density function 30 d t Weighing data 46 DUtrip DILE Eeer tao eere 33 Weighing pan Error 62 e Overload error 62 EC E00 Communications error 63 EC E01 Undefined command error 63 EC E02 Not TOS oce item ea tip COPAS 64 EC E03 Timeout error 64 EC E04 Excess characters error 64 EC E06 Format erfor ccce 64 EC E07 Parameter setting error 64 EC E11 Stability AAA 62 EC E16 Internal mass error 62 EC E17 Internal mass error 62 EC E20 Internal mass error 62 EC E21 I
77. rt Breeze break ring Dust plate Leveling foot Bubble sprit level Fine range breeze break ring This ring is an accessory for GH 252 and GH 202 Before weighing of which the mininum display is 0 01 mg install this ring in place of the breeze break ring to avoid errors caused by draft Gase Fine range breeze break ring Keys Windows communication software WinCT Position of placing AC adapter labels AC adapter labels AC adapter Note Please confirm that the AC adapter type is correct for your local voltage and receptacle type Display Display cover External Key Jack Serial interface RS 232C D sub 9 pins Terminal cover Grounding terminal Leveling foot 2 1 Installing The Balance Install the balance as follows 1 Consider the section 3 Precautions for installing your balance Place the balance on a firm weighing table 2 Assemble the Dust Plate Breeze Break Ring and Weighing Pan on your balance There is a reference illustration on the previous page 3 Adjust the level of the balance using the leveling feet Ground the balance chassis for discharging static electricity if you have a static problem
78. s output or stored SN gt z Refer to GLP output inf 0 and Data GLP output GLP memory dat a of the function table i End Zero point data and full scale data is a displayed or outputted in unit of 0 0001g 8 The balance automatically returns to the weighing mode mmm IUUUU 9 21 8 5 This function calibrates the balance using an external weight Connect the AC adapter and warm up the balance for at least one hour with nothing on the weighing pan Calibration Using An External Weight Press and hold the CAL key until is E displayed then release the key The balance displays Cal 0 If you want to change the calibration mass press the RANGE key and proceed to step 4 If you use the calibration mass value stored in the balance proceed to step 5 Specify the calibration mass value as follows RANGE key The key to switch blinking figures RE ZERO key The key to select the calibration mass or MODE key adjust the mass value Refer to page 19 PRINT key The key to store 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 Cal 0j 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 calibra
79. second pnt Point Deci A o Pr TI ecimal point format Decimal point 1 Comma p on GRACIAM Tums on the weighing mode display Auto display ON 1 ON when the AC adapter is connected Cl adj Confirms and sets the time and Refer to 10 7 Clock and Calendar Function date The time and date are added Clock to the output data Accepts the PRINT key only when 0 Key mode the display is stable INS AdopitmodeA iat l Out i i puts data when the display is prt e EEN stable and conditions of a p p ap b Data output mode Auto print mode B and the reference value are met p M Reference last stable value fn Stream mode With data 0 outputs data 3 continuously with data 2 uses Interval memory mode interval memory i an 0 Plusony DispayedvaluesFeferexo Data output n a aia 1 Minus only Displayed value lt Reference AS PO ay 2 Both Regardless of displayed value on D 10 digits Difference between reference value id 100 digits and displayed value uto print difference SES ee 2 2 1000 digits Not used data RENE weidnina dat AIEEE Related items Datamemory IL tados Lo ds AAA prtint d no 5 td info 2 Stores calibration data i key for GH 300 1 mg is one digit Example In gram display one digit is 0 00001 g for GH 252 and 0 0001 g for GH 300 28 Class Item and Parameter Description
80. ss value proceed to step 5 Specify calibration mass value using the following keys PRINT RANGE key The key to select the blinking figure RE ZERO key The key to increase the value of the blinking figure MODE key The key to decrease the value of the blinking figure key The key to store the new value When pressing the RE ZERO for few seconds Put displayed mass on the pan Press the PRINT value is displayed for few seconds If GLP output is used Setting of i nfo 1 AD 8121 printer format A D MODEL GH 300 S N 01234567 ID LAB 0123 DATE 2004 07 01 TI ME 12 34 56 CALI BRATED EXT CAL WEI GHT 200 0000 y SI GNATURE NM ES is displayed and the calibration report is outputted The balance returns to weighing mode after this calibration Setting of i nf o 2 General format lt Manufacturer Model Serial number ID number Date Time Calibration type x lt Calibration weight ES Signature Ki c Space ASCII 20h Terminator CR LF or CR Carriage return ASCII ODh Line feed ASCII OAh 43 key zero point is weighed and the weighing value is displayed key to weigh the mass and the weighing AA AAA A amp Del gt TERM gt gt gt MODEL GH 300 lt S N 01234567 lt ID LAB 0123
81. ta for erahing mode Data memory and 1 minute for Interval time Item 1 Step 1 Data memory Press and Step 4 ro hold Parameter bASFnc Step 2 Edu several Stores weighing data ER p RANGE times tep 5 Press several E S i 4 times dAtA U dRER Class Step 3 OS Step 6 Parameter Item ww Step 4 1 minute RANGE Step 5 H ES o UE Item Step 7 ev Step 8 Interval time End Finish Weighing mode 2 10 1 Details Of The Function Table Factory settings 1 The unit of minimum display is digit Example If 1 mg display is selected using the RANGE 2 Usable minimum display of the balance is one digit Class Item and Parameter Description Fast response sensitive value FAST Cond dE 7 Can be changed by response ii SC MID adjustment Condition 5 j 2 Slow response stable value SLOW H 1 Stable range is 1 digit The stabilization indicator illuminates 5t b Stability band width EMI 1 when the display fluctuation is within ili width f th y 2 Stable range is 3 digits KATENO 0 OFF fco er mm e EEE ine ae Ent CEC 1 Noma Keeps zero display by tracking zero Display Zero tracking l Mdde Z OOO an 3 Strong gt p 1 e 1 jones second T Period to refresh the display Display refresh rate 1 10 times
82. table mode The key to select the class or item in the function table mode KEEN The key to change the parameter When displaying a class the key enters an item in the class S When displaying an item the 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 mode and returns to the weighing mode ven 30 10 3 Description Of The Class Environment Display Condition Cond Cond 0 This parameter is for sensitive response to the fluctuation of a mass value Used for powder target mass weighing a very light sample or when quick response weighing is required After setting the balance displays FAST Cond 2 This parameter is for stable weighing with slow response Used to prevent a mass value from drifting due to vibration or drafts After setting the balance displays SLOW Notes In automatic response adjustment this parameter is selected automatically 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 5t b 0 This parameter is used for sensitive response of the stabilization indicator Used B for exact weigh
83. tandard format EOL type 12 KFfomat Refer to 10 5 Description of Item Data format nu ME Data Format E SLAC MS 5 CSV format Factory settings The balance may not transmit the data completely at the specified refresh rate depending on the baud rate or data added to the weighing data such as time date and ID number Caution 29 t Up D jNolimt Selects the wait time to receive a Timeout 1 1second command de erCd 0 No output Serial enen EBA ae AK ASCII code 06h AK Error code 1 Output i interface CS CT d ee ss dl Controls CTS and RTS CTS RTS control 1 Used d5 fnec Idin 0 Water temperature Available only when density mode is Density function Liquid density input 1 Liquid density selected anit Refer to 5 Weighing Units Unit in x Displayed only when the internal mass value correction switch is set id Refer to 11 ID Number And GLP Report ID number setting Factory settings Digit is a unit of minimum weighing value Caution The balance may not transmit the data completely at the specified refresh rate depending on the baud rate or data added to the weighing data such as time date and ID number 10 2 Display Symbol And Keys The symbol shows effective parameter When pressing and holding the key in the weighing mode the mode enters AME the function
84. te trn trennt 17 7 1 Automatic Response Adjustment esent 17 7 2 Manual Response Adjustment essent 18 8 SA mmm 19 8 1 Ree e EE re ER S M ERE 19 8 2 Automatic Self Calibration BEE 20 8 3 One Totch CalbrallON Pm 20 8 4 Calibration Test Using The Internal Mass esee 21 8 5 Calibration Using An External Weight eee 22 8 6 Calibration Test Using An External Weight AAA 23 8 7 Correcting The Internal Mass Value esee EEN 24 Selecting Functions 9 Function Switch And Bu EE de 25 9 1 Permit OP IDEE sioe oio rani cedo questi cec ta p ir tu EU 25 9 2 Initializing The Balances eie e ee Pen rie Rte Da reru bd eise tees 26 10 F nctiom Table aen uai s ard excog andy aude da ra Cos 27 10 1 Details Of The Function Tables oa tto rccte te pao el ERE dtt 28 10 2 Display Symbol Pid IKGyesc conos ii 30 10 3 Description Of The Class Environment Display esses 31 10 4 Description Of The Item Data Output Mode 32 10 5 Description Of The Item Data ForMat spatial tecto eade 33 10 6 Data Format Examples oi tado cria a bid 36 Instruction manual 1 GH series 10 7 Clock And Calendar Function ccccsececcecececeseseeeeeccececeeeceeesnenaccececeeeesenenenaceeeeeees 38 11 ID NBmber And GEP e 40 Setting The ENEE ode inei eres ee 40 GEP LC EE 41 12 Date MOOD
85. the balance outputs or stores the weighing data and the display blinks one time Required setting dout prt 0 Key mode Auto print modes A and B When the displayed value is stable and the conditions of Auto print polarity Auto print difference and reference value are met the balance outputs or stores the weighing data When the PRINT key is pressed with the stabilization indictor turned on the balance outputs or stores the data and the display blinks one time Auto print modes A Example For weighing each time a sample is placed and removed with ar d set to 1 to adjust zero after the data is output Required setting dout ort 1 Auto print mode A reference zero dout ap p Auto print polarity dout ap b Auto print difference dout ar d 1 Zero after output Auto print modes 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 print polarity dout ap b Auto print difference Stream mode The balance outputs the weighing data continuously regardless of the display condition The display does not blink in this mode The interval memory mode is used when the Data memory dat a parameter is set to 1 to store the weighing data Example For monitoring data on a computer Required setting dout prt 3 Stream mode dout data 0 Data memory function is not used ba5fnc 5pd Display refresh rate 5i f bp5 Ba
86. the value displayed when nothing is on the weighing pan 70 18 2 Index Unit of percent mode 16 Bee 9 30 MODE Ny echtes 9 DENTEN us cara eis as senatum 9 PRINT ken cnc 9 30 RANGE key 1 1 9 30 RE ZERO Key coccion 9 30 888 Data number 9 35 47 v Interval memory mode 9 47 Prior notice indicator 9 20 a Process indicator 9 T Space mark 36 41 42 43 44 45 O Stabilization indicator 9 12 30 K Standby indicator 9 RESPONSE FAST miD SLow Response indicator 9 A amp D format ee onore ostia ze FLUR Che ead 33 AG adapters eei di oA cama 5 66 ACAI F netionu sies oco t contenir tie 15 A aai aea tandane aioin 68 psp ME 68 AD 8121B Pinter 56 67 NEE EE 68 A nnti a aa 68 Pec M p can EE 59 ap b Auto print difference 28 32 ar Zero after output 29 ap p Auto print polarity 28 32 at f Auto ii 29 badf nc Environment display 27 28 bp5 Baud tates dessert 29 bt pr Data bit parity bit 29 C5 in Internal mass correction 24 Cal e Calibration weight error 62 Cal e Calibration weight error 62 Cal in One touch calibration 20 Cal out Calibration using an external weight 22 Calibration sa
87. tion mass value Place the displayed calibration weight on the pan and press the PRINT key The balance measures the calibration mass Do not allow vibration or drafts to affect the balance The balance displays end Remove the weight from the pan If the GLP output info the function table is set the balance displays ql p and outputs or stores Calibration Report Refer to 11 2 GLP Report for details The balance will automatically return to the weighing mode Place the calibration weight on the pan and confirm that the value displayed is correct If it is not within the range check the ambient conditions such as breeze and vibration also check the weighing pan Then repeat steps 1 to 10 LX GLP output 22 8 6 Calibration Test Using An External Weight This function tests the weighing accuracy using an external weight Calibration test report can be output or stored with GLP output Press i nf o Calibration test does not perform calibration die 1 Connect the AC adapter and warm up the balance for CAL EE n at least one hour with nothing on the weighing pan Release 2 Press and hold the CAL key until CC out is displayed j p then release the key 3 The balance displays CC 0
88. 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 0 1 2 3 4 5 6 7 8 9 0 99984 0 99990 0 99994 0 99996 0 99997 0 99996 0 99994 0 99990 0 99985 0 99978 0 99970 0 99961 0 99949 0 99938 0 99924 0 99910 0 99894 0 99877 0 99860 0 99841 0 99820 0 99799 0 99777 0 99754 0 99730 0 99704 0 99678 0 99651 0 99623 0 99594 0 99565 0 99534 0 99503 0 99470 0 99437 0 99403 0 99368 0 99333 0 99297 0 99259 0 99222 0 99183 0 99144 0 99104 0 99063 0 99021 0 98979 0 98936 0 98893 0 98849 0 98804 0 98758 0 98712 0 98665 0 98618 0 98570 0 98521 0 98471 0 98422 0 98371 0 98320 0 98268 0 98216 0 98163 0 98110 0 98055 0 98001 0 97946 0 97890 0 97834 0 97777 0 97720 0 97662 0 97603 0 97544 0 97485 0 97425 0 97364 0 97303 0 97242 0 97180 0 97117 0 97054 0 96991 0 96927 0 96862 0 96797 0 96731 0 96665 0 96600 0 96532 0 96465 0 96397 0 96328 0 96259 0 96190 0 96120 0 96050 0 95979 0 95906 Entering the density directly I din 1 The density currently set unit g cm factory setting 1 0000g cm is displayed Use the following keys t
89. ual consists of the following five parts Basic operation Describes precautions the balance s construction and basic 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 of ambient temperature calibration and calibration test FUNC ONS coccccccnccoccccccccnccnnanannnos Describes functions of the balance RS 232C serial interface Describes the serial interface that can communicate with a computer that requests weighing data and controls the balance This serial interface is for use with a computer or printer Maintenance Describes maintenance error codes troubleshooting specifications and options 1 2 Features Automatic self calibration using the internal mass adapting to changes in temperature Response adjustment adapting to drafts and or vibration automatically Memory function to store weighing data and calibration data When weighing data is stored only 200 data can be stored in maximum Interval memory mode to store the weighing data periodically Good laboratory practice GLP data can output using the RS 232C serial interface A built in clock and calendar that can add the time and date to the output data Underhook available as an option for measuring density
90. ud rate Caution The balance may not transmit the data completely at the specified refresh rate depending on the baud rate or data added to the weighing data such as time date and ID number 32 Interval memory mode The weighing data is periodically stored in memory Example For periodical weighing without a personal computer command and to output all of the data to a computer at one time The GH series can use time and date with Time Date output 5 t d Required setting dout prt 3 Interval memory mode dout data 2 Data memory function is used dout int Interval time Optional setting dout 5 td1 2 0r3 Adds the time and date 10 5 Description Of The Item Data Format A amp D standard format if type 0 This format is used when the peripheral equipment can receive the A amp 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 When numerical characters without decimal point are exceeded eight characters for GH 252 the format becomes sixteen characters A header of two characters indicates the balance condition The polarity sign is placed before the data with the leading zeros If the data is zero the plus sign is applied The unit consisting of three characters follows the data
91. value of the blinking figure The key to store the new value key zero point is weighed and the weighing value is displayed key and proceed to step 4 key to weigh the mass and the weighing is displayed and the calibration test report is outputted The balance returns to weighing mode after this test Setting of i nf o 2 General format Manufacturer Model Serial number ID number Date gt gt EL 01 DATE lt TERM gt Time lt Calibration test type H Zero point value du lt Target weight value Target weight Signature E Space ASCII 20h Terminator CR LF or CR Carriage return ASCII ODh Line feed ASCII OAh 2004 TIME lt TERM gt LAB 0123 lt A amp D lt TERM gt GH 300 lt TERM gt 234567 TERM TERM 07 01 lt TERM gt TERM gt CAL TEST E ACTUAL TERM 0 0 mt 200 0 ET lt TERM 200 0 XT lt TERM gt gt 000 g TERM 002 g TERM gt 000 g lt TERM gt URE lt TERM gt lt TERM gt 44 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 be output Key operation 1 With the weighing data dis 5tart is displayed
92. y check bif Crif 0 Factory setting CR LF sp GES Factory setting Inhibit the use of CTS and RTS control When MODE 1 or MODE 2 of the AD 8121B printer is used Function setting Description dout 5 td 0 Factory setting Not to output the time and date dout 5 id 0 Factory setting Not to output the ID number dout at f 0 Factory setting Not to use auto feed 5if type 0 Factory setting A amp D standard format When MODE 3 of the AD 8121B printer is used Function setting Description dout 5 td 0 to3 Outputs the time and date as necessary dout 5 id 0 Outputs the ID number as necessary dout at f 0 1 Uses auto feed as necessary 5i f type 1 DP format When data is transmitted continuously When all memory data is transmitted at one time Function setting Description dout pU5e 1 Uses pause Notes The printer performs as follows depending on the data memory setting Setting Output data data 0 The weighing data data 1 The weighing data stored in memory data 2 The calibration report stored in memory Refer to 11 2 GLP Report for print samples 56 Connection To A Computer And The Use Of WinCT The balance is of the DCE type Data Communication Equipment which can be connected to a personal computer using the RS 232C interface Before connection read the personal computer manual thoroughly Use a standard DCE

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