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INTRODUCTION

This manual describes how the compact precision balances work and how to get the
most out of them in terms of performance.

The EJ-123, EJ-303, EJ-1202, EJ-3002 and EJ-54D2 balances have the following features:

The EJ-123, EJ-303, EJ-1202 and EJ-3002 are high-resolution type electronic balances

having a display resolution of 1/120,000 to 1/300,000.

The EJ-54D2 is a dual-range balance as shown below:

Gram mode Weighing capacity 22 g/Minimum display division 0.0002 g

Weighing capacity 52 g/Minimum display division 0.001 g

The EJ-123, EJ-303 and EJ-54D2 are equipped with a breeze break which is provided

as standard for more accurate weighing.

The EJ-54D2 is equipped with a carat pan for weighing jewelry which is provided as

standard.

The balances have a counting function, a percent function, a hold function and an

accumulation function.

The LCD backlight will help with use in a dimly lighted place.
The balances can be operated with an AC adapter, or 4 x size “AA” batteries for

cordless operation.

An optional USB interface is available for connecting the balance to a personal

computer.

An optional RS-232C serial interface is available for connecting the balance to a

printer or personal computer and outputting Good Laboratory Practice (GLP) data.

Содержание EJ-123

Страница 1: ...1WMPD4002746E EJ EJ 123 EJ 303 123 EJ 303 EJ 1202 EJ 3002 EJ 1202 EJ 3002 EJ 54D2 EJ 54D2 Compact Precision Balance Compact Precision Balance...

Страница 2: ...mpany Product specifications are subject to change without any obligation on the part of the manufacturer Compliance with FCC rules Please note that this equipment generates uses and can radiate radio...

Страница 3: ...g Mode pcs 18 5 9 Percent Mode 19 6 ACCUMULATION FUNCTION 20 6 1 Indicators and Keys 20 6 2 Selecting a Weighing Unit 21 6 3 Adding the Accumulation Data 21 6 4 Displaying the Accumulation Data 21 6 5...

Страница 4: ...ber 36 10 2 GLP Report 37 11 MAINTENANCE 41 11 1 Notes on Maintenance 41 11 2 Error Codes 42 12 SPECIFICATIONS 44 12 1 Generals 44 12 2 Other Weighing Units 46 12 3 Options 47 12 4 Dimensions 47 13 GR...

Страница 5: ...001 g The EJ 123 EJ 303 and EJ 54D2 are equipped with a breeze break which is provided as standard for more accurate weighing The EJ 54D2 is equipped with a carat pan for weighing jewelry which is pro...

Страница 6: ...for the breeze break and the weighing pan before use Main unit Main unit EJ 123 EJ 303 EJ 1202 EJ 3002 Weighing pan Weighing pan Wind shield cap EJ 123 EJ 303 only Main unit EJ 54D2 Carat pan Weighin...

Страница 7: ...number LCD SAMPLE key Calibration switch cover bottom PRINT key RE ZERO key Leveling foot UNITS key EJ 02 EJ 03 slot Battery cover Security slot AC adapter jack Use a security cable commercially avail...

Страница 8: ...Spirit level Leveling foot Serial number LCD SAMPLE key PRINT key RE ZERO key UNITS key EJ 02 EJ 03 slot Battery cover Security slot Use a security cable AC adapter jack commercially available ON OFF...

Страница 9: ...nits and modes Clears the display to zero zero and tare Weighing mode EJ 54D2 only Changes the weighing range when rng 0 is selected pcs mode Enters the sample unit weight storing mode mode Enters the...

Страница 10: ...veling foot is not easy to turn Adjust the height of the balance by turning the lower leveling foot After adjusting the height of the balance tighten the upper leveling feet if a rattling of the level...

Страница 11: ...ed in 7 CALIBRATION 4 2 Power Source For the power source the AC adapter or 4 x size AA batteries can be used When Using the AC Adapter Use a stable power source To use the AC adapter insert the AC ad...

Страница 12: ...Insert four new batteries LR6 R6P AA into the battery box taking extreme care of the polarities 5 Push the battery box into the balance as before 6 Attach the battery cover The battery indicator turn...

Страница 13: ...break with the following steps Assembling the Breeze Break 1 Slide back the fixing frame to attach the breeze break Or install the fixing frame into the guide on the balance 2 Attach the axis of the b...

Страница 14: ...or due to a disturbing wind Detaching the Breeze Break With the hooks located on the left and right sides of the balance held up raise the breeze break 1 Slide the two hooks upward The hooks are locat...

Страница 15: ...ard 2 Engage the hooks to the guides on the balance to secure the breeze break Confirm that the two hooks are securely engaged If the position of the breeze break is not correct it will not be secured...

Страница 16: ...tain period of time after power on zero While the weight value is flashing weighing is possible But the balance may not be stable enough depending on the prior status of power to the balance So for mo...

Страница 17: ...ote It is possible to store only the units that will be actually used from the units available It is also possible to specify the unit that will be shown first when the power is turned ON For details...

Страница 18: ...he function setting mode the HOLD indicator turns on 5 Remove the object from the pan The RE ZERO key will zero the balance if the weight is within 2 of the weighing capacity around the power on zero...

Страница 19: ...low range rng 0 Manual range Press the SAMPLE key when the display shows a weight value neither counting nor display The weighing range changes to the high range at any load To change from the high to...

Страница 20: ...turns to the former display When the sample weight is light and the counting error could become large the balance will request you to use a larger number of samples Place the displayed number of sampl...

Страница 21: ...rcent Storing the Reference 100 Weight 2 Press the SAMPLE key to enter the reference weight storing mode 3 Press the RE ZERO key to display 100 0 4 Place the sample to be set as the reference weight o...

Страница 22: ...mass value is displayed Operation keys are as follows The UNITS key When the accumulation data is stored pressing the UNITS key displays the weight value accumulated count and accumulated mass value...

Страница 23: ...ch sample 6 4 Displaying the Accumulation Data 6 When the UNITS key is pressed the weight value accumulated count and accumulated mass value are displayed sequentially The indicator and turn on when t...

Страница 24: ...alue SAMPLE key To select the digit to be changed flashing RE ZERO key To set the value of the digit selected PRINT key To store the value and return to step 3 UNITS key To cancel the value and return...

Страница 25: ...gravity acceleration map appended to the end of this manual Note Gravity acceleration correction is not required when the balance is calibrated using a calibration weight at the place where the balan...

Страница 26: ...The cancel key to cancel the operation and proceed to the next class or return to the weighing mode 8 2 Entering the Function Setting Mode In the weighing mode press and hold the SAMPLE key After disp...

Страница 27: ...key to display poff 1 4 Press the SAMPLE key several times to display aCai 1 5 Press the RE ZERO key to select aCai 0 6 Press the PRINT key to store the parameters Unit appears after end 7 Press the...

Страница 28: ...ZERO key to select the weighing unit The selected weighing unit is shown with the STABLE indicator At this stage the weighing unit is not stored in memory 6 Repeat steps 4 and 5 to select all weighin...

Страница 29: ...0 Command and stream modes Auto print A data Auto print B data 1 Command mode and PRINTkey 2 Command mode PRINT key and auto print A 3 Command mode PRINT key and auto print B 4 Command mode only pU5e...

Страница 30: ...ABLE indicator turns on Weight changes or key operation will turn the backlight on 1 Turns off after 5 seconds 2 Turns off after 10 seconds 3 Turns off after 30 seconds 4 Turns off after 60 seconds 5...

Страница 31: ...weight value numerical value only unidirectionally to a personal computer via USB The EJ 02 can transmit the weight value numerical value only directly to application software such as Microsoft Excel...

Страница 32: ...AX KO2466 200 D Sub 9 pin D Sub 9 pin cable 2 m Installing the EJ 03 1 Turn the balance off and disconnect the AC adapter if used 2 Remove the cover of the option slot on the rear by pressing and low...

Страница 33: ...its including a decimal point and a sign There are 14 types of units g Weighing data g P C Counting data pcs Percentage data o z Weighing data decimal ounce l b Weighing data decimal pound o z t Weigh...

Страница 34: ...play will flash once Auto print mode A Set the function to prt 2 The balance outputs the weight value when the display is stable the STABLE indicator is on and the data is greater than 4d The next out...

Страница 35: ...The factory setting for density of a liquid is 25 C as water temperature the density value 0 99704 g cm3 is used for calculation The result is shown with three decimal places The density specific gra...

Страница 36: ...03 0 99368 0 99333 0 99297 0 99259 40 0 99222 0 99183 0 99144 0 99104 0 99063 0 99021 0 98979 0 98936 0 98893 0 98849 50 0 98804 0 98758 0 98712 0 98665 0 98618 0 98570 0 98521 0 98471 0 98422 0 98371...

Страница 37: ...t L blinks and the balance starts to measure the weight in water 5 Place the sample on the lower pan in water Adjust the amount of water so that the sample is about 10 mm below the water surface 6 Wai...

Страница 38: ...10 1 Setting the ID Number 1 Press and hold the SAMPLE key to display func 2 Press the SAMPLE key several times to display id 3 Press the PRINT key Enter the ID number using the following keys SAMPLE...

Страница 39: ...lp appears and the calibration report is output 4 end appears again Remove the weight The balance turns off AD 8127 AD 8121B format info 1 General format info 2 Space ASCII 20h CR Carriage return ASCI...

Страница 40: ...hange the value of the calibration test weight according to step 4 of 7 1 Calibration Using a Weight 4 With nothing on the pan press the PRINT key The zero point is measured and the weight value is di...

Страница 41: ...print mode to output the weight values ___________A_ _D MODEL_____EJ 123 S N____Q12345678 ID________ABCDEF DATE__2013 11 14 TIME____02 53 21 CAL TEST EXT ACTUAL ________0 000__g _____ 100 001__g TARGE...

Страница 42: ...4 START TIME____02 53 21 ST 0012 345__g ST 0023 456__g ST 0034 567__g ST 0045 678__g END TIME____02 55 21 SIGNATURE _ _ _ _ _ _ _ _ A D CRLF MODEL EJ 123 CRLF S N Q12345678 CRLF ID ABCDEF CRLF DATE CR...

Страница 43: ...sive dust Cleaning the Balance Do not use organic solvents or chemical cloth to clean the balance Balance main unit To clean the balance main unit use a lint free soft cloth moistened with a neutral d...

Страница 44: ...unit weight Note Pressing the PRINT key without adding samples is possible but that may reduce the counting accuracy When starting from the 100 samples 100 may be displayed if the sample weight is lig...

Страница 45: ...an error state in internal processing With nothing on the weighing pan turn the power OFF and ON again If the error persists request service Error 3 EEPROM non volatile memory failure Error 5 Mass se...

Страница 46: ...cs Min unit weight 0 001 g readability 0 01 Min 100 weight 0 1 g Display 7 segment LCD with backlight Character height 16 mm Display update 10 times per second Operating temperature and humidity range...

Страница 47: ...mm Weight Approximately 1490 g Calibration weight factory setting 1000 g 3000 g In case of Umin 0 factory setting MODEL EJ 54D2 Weighing capacity 22 g 52 g Readability 0 0002 g 0 001 g Repeatability...

Страница 48: ...14 1464 33 437 Min display 0 001 0 001 0 01 0 01 0 0002 0 001 GN Capacity 1851 88 4784 04 18518 8 47840 4 339 510 802 48 Min display 0 02 0 02 0 2 0 2 0 005 0 02 tola Capacity 10 2882 26 5780 102 882...

Страница 49: ...ns EJ 02 USB interface EJ 03 RS 232C serial interface EJ 13 Density determination kit for EJ 123 EJ 303 12 4 Dimensions EJ 123 EJ 303 190 211 133 110 90 5 Min 126 EJ 1202 EJ 3002 190 140 127 208 133 M...

Страница 50: ...48 EJ 54D2 190 209 133 Min 114 Unit mm 50...

Страница 51: ...m Inside size from the center of the weighing pan to the sliding door Size of the breeze break opening Size of the sliding door protruding from the rear of the balance when opened 40 42 97 108 Opening...

Страница 52: ...m s2 Cape Town 9 796 m s2 Rio de Janeiro 9 788 m s2 Chicago 9 803 m s2 Rome 9 803 m s2 Copenhagen 9 815 m s2 San Francisco 9 800 m s2 Cyprus 9 797 m s2 Singapore 9 781 m s2 Djakarta 9 781 m s2 Stockh...

Страница 53: ...51 World Map...

Страница 54: ...52 MEMO...

Страница 55: ...53 MEMO...

Страница 56: ...550420 Fax 44 1235 550485 A D AUSTRALASIA PTY LTD 32 Dew Street Thebarton South Australia 5031 AUSTRALIA Telephone 61 8 8301 8100 Fax 61 8 8352 7409 A D KOREA Limited 6 33 817 07331 817 Manhattan Bld...

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