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2 Basic Operation

LF(R) Series Operation Manual

- 20 -

2-5

Displaying the Sum of the

Container and the Sample

The summed weight of the sample and the container is displayed (gross weight readout).

Gross weight can only be displayed when the balance is in simple weight
measurement mode. For more information on simple weight measurement mode,
refer to the section on “Weighing.”

1

Put a container in place and then set the

tare.

(Example: tare range = 300.0 g)

Put a container in place and press the [Zero/Tare] key.

The tare range is set and the readout becomes
zero.
(“Net” lights up when the tare range is being set.)

2

Put a sample in place.

The mass of the sample alone (net weight) is displayed.

3

Display the gross weight (Gross weight readout).

Press the [Function] key.

The summed weight (total weight) of the sample
and the container is displayed (gross weight
readout). “B/G” lights up when the gross weight is
being displayed.
Pressing the [Function] key toggles the readout
between gross and net.

Net weight readout Gross weight readout

[Function] key

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Summary of Contents for LF124R

Page 1: ... l B a l a n c e ＬＦ Series Operation Manual SHINKO DENSHI CO LTD IMPORTANT To ensure safe and proper use of the balance please read this manual carefully After reading this manual store it in a safe place near the balance so you can review it as needed ...

Page 2: ...to calibrate the balance at the right time depending on your usage In addition the balance comes standard with ISO GLP GMP compliant output functions a calendar and clock function and various application measurement functions such as the counting mode percentage weighing mode and addition mode The balance is easy to use with a windshield that can be opened from the opposite side the right door wit...

Page 3: ...ase tell us If any pages are bound in incorrect order or are missing we will replace the manual Please contact the retailer from whom the balance was purchased Trouble with the equipment and the system s main unit will be serviced in accordance with their maintenance contracts However please be aware that we will not be held responsible for any indirectly related trouble that may occur such as ope...

Page 4: ... many do s and do not s to be able to cover them all in this manual If the operation manual does not explicitly say that something is OK to do please interpret it as a do not When installing or operating the balance or performing maintenance or inspections on it give due consideration to safety measures in addition to the instructions written in this manual and those written on the balance s main ...

Page 5: ...ded This symbol indicates a situation that may cause damage to the system or equipment or data corruption deletion or overwriting if not avoided This symbol is used for information to which particular attention is required or to highlight information This symbol is used for information such as operational tips This symbol indicates a prohibited action that must not be done This symbol indicates a ...

Page 6: ...ructions on how to weigh objects The procedures for setting the functions used to set various functions are also described Chapter 3 Various Measuring Methods This chapter describes how to use various measuring methods of the balance such as counting and percentage weighing Chapter 4 Adjusting the Balance The balance needs to be adjusted depending on where and when it is used This chapter describe...

Page 7: ...nce 12 1 8 Operating the Windshield Doors 13 1 8 1 Opening and closing the windshield doors 13 2 Basic Operation 15 2 1 Powering On Off and Operation Check 15 2 2 Zero point Adjustment 17 2 3 Weighing a Sample in a Container Tare 18 2 4 Weighing an Added Sample 19 2 5 Displaying the Sum of the Container and the Sample 20 2 6 Basics of Function Settings 21 2 7 Underfloor Measurement 22 3 Various Me...

Page 8: ...ion 49 3 8 1 Calculation items 49 3 8 2 Operation method 50 3 8 3 Output of statistical operation results 52 3 8 4 Cancellation of last collected data 53 3 8 5 Clearing statistical operation results 54 4 Adjusting the Balance 55 4 1 Adjusting Calibrating the Balance 55 4 1 1 Span adjustment with internal weight 55 4 1 2 Span test with internal weight 56 4 1 3 Span adjustment with external weight 5...

Page 9: ...heck self diagnosis function 83 5 13 1 Display test 83 5 13 2 Key test 84 5 13 3 Motor test 85 5 13 4 Span adjustment history 86 5 13 5 Automatic Repeatability Measurement ARM 87 5 13 6 Semi Automatic Repeatability Measurement SARM 88 6 Input Output to from External Devices 89 6 1 Output to Printers 89 6 1 1 Connecting a printer 89 6 1 2 Printing span adjustment and span test results 89 6 1 3 Prin...

Page 10: ... 111 7 2 Troubleshooting 114 7 3 Initializing 117 7 4 Maintenance 118 7 4 1 For heavy dirt 118 7 4 2 How to clean the balance 119 Appendixes 121 Appendix 1 Function Setting List 121 Appendix 2 Measurement Mode List 130 Appendix 3 ISO GLP GMP Compliant Printing 131 Appendix 4 Specifications 136 Appendix 4 1 Basic Specifications 136 Appendix 4 2 Functional Specifications 137 Appendix 4 3 Weighing Ca...

Page 11: ...shock short circuit or failure Do not touch the AC adapter with wet hands Doing so could result in electric shock causing disability or death Do not route the AC cord across passages The cord could be tripped on by a passerby and the balance could fall down and break or injure someone Do not use the balance on an unstable platform or in a place subject to vibration A sample could fall from the wei...

Page 12: ... the balance in a place exposed to direct sunlight The internal temperature of the balance could rise and the balance could fail to accurately weigh samples Do not install the balance where the floor is soft When a sample is placed on the balance the balance could slant and fail to accurately weigh samples Do not install the balance in a place where the ambient temperature or humidity change signi...

Page 13: ...be sure to acclimate the balance to the environment with the power on Adjust calibrate the balance when it is installed or relocated Failure to do so could result in measurement errors To ensure accurate measurements be sure to adjust calibrate the balance Unplug the AC adapter from the receptacle when the balance is not going to be used for a long period of time Unplug the balance from the recept...

Page 14: ...bout 60 is considered ideal Vibration Shaking The measuring room should preferably be located on the ground floor or in the basement Higher floors are more susceptible to heavy vibration and shaking which make such locations less suitable for measurement A room facing a railway or road with heavy traffic should also be avoided as much as practicable Drafts Avoid choosing a location subject to a di...

Page 15: ...zed sample for avoiding the effects of magnetism Absorption Evaporation of Moisture Measuring a sample with moisture absorbed or evaporated volatized continuously increases or decreases the values indicated In such case measure the sample in a container with a small opening and sealed airtight with a cap Sample Temperature A difference in temperature between a sample and the interior of a windshie...

Page 16: ...re in the box In the unlikely event of problems such as missing or broken items please contact the retailer from whom the balance was purchased Checking Supplied Items Measurement pan Pan base Main unit of balance windshield ring AC adapter Adapter plug Operation Mnual Installing the adapter plug ...

Page 17: ...s and Functions of Component Parts Names of Component parts 1 Level 7 Adjuster 2 LCD 8 Measurement pan 3 Panel section 9 Windshield ring 4 Door storage cover 10 D SUB9P RS232C output connector 5 Windshield 11 AC adapter jack 6 Knob 12 USBoutput connector ...

Page 18: ... Set key Press to turn ON OFF the automatic switch between two scale intervals Press to save settings Press and hold to start making settings Cal key Press to call span adjustment and span test Press and hold to start an automatic repeatability measurement Function key Press to switch measurement modes Press to make settings by entering values Press to select items for function settings Press and ...

Page 19: ...on how they are pressed For example the Set key saves a setting when it is pressed quickly This is the normal way of pressing keys The Set key starts making a setting when it is pressed and held Pressing and holding a key is to hold the key down and then release it once the desired display has been obtained ...

Page 20: ...1 How to Begin LF R Series Operation Manual 10 1 6 How to Read Displayed Signs Each of the symbols displayed on the front of the main unit has the following meanings ...

Page 21: ...LF Series Operation Manual 1 How to Begin 11 7 segment character display Numeric characters Alphabet Some characters look the same for example 5 and S and H K and X ...

Page 22: ...ghing pan in this order to the main unit Check that these parts are free from dust and other foreign matter before attaching them 2 Install the balance horizontally Rotate the adjuster so that the level bubble is positioned in the center of the red circle 3 Connect the supplied AC adapter to the balance and plug it into the receptacle 100 VAC ...

Page 23: ...r knob Each windshield door can be locked LOCK and unlocked RELEASE by moving the lower knob up or down to lock or unlock allowing for windshield operation that suits the conditions such as whether the user is left or right handed and the way a sample is placed on the weighing pan 1 8 1 Opening and closing the windshield doors Opening and closing the right and left windshield doors at the same tim...

Page 24: ...operating the left lower knob Knob status Opening and closing the left windshield door The left windshield door can be opened and closed by operating the right lower knob Knob status To open and close the left and right windshield doors individually push the left and right lower knobs down to unlock Use the upper knobs to open and close the doors ...

Page 25: ...lance powered on with the asterisk displayed for 5 hours before starting measurement If you unplug the AC adapter you need to wait for 5 hours from the time you plug it in again Press the On Off key The display shows all symbols and then changes to the zero display 2 Check that it is operating Push the weighing pan with your finger to check that the readout changes Also check that the readout chan...

Page 26: ...s turned ON it is still in counting mode When the balance is stabilized the display shows a circle When the balance is unstable the circle disappears The balance may be affected by wind or vibration The bar graph also appears on the display It shows the current weight level compared to the weighing capacity As the weight approaches the weighing capacity of the balance the bar graph moves toward th...

Page 27: ...adjustment may not be possible if an object is on the weighing section In such cases refer to Section 2 3 Weighing a Sample in a Container Tare and perform tare range setting Whether the balance waits until it is stabilized for zero point adjustment can be set using the function item wait for the balance to stabilize When Operate after waiting for the balance to stabilize is set the indicator blin...

Page 28: ...e container is displayed 2 Set the tare Press the Zero Tare key The readout becomes zero and 0 and Net are displayed tare range setting If Net does not appear when the Zero Tare key is pressed the balance is executing zero point adjustment not tare range setting 3 Place a sample in the container Only the mass of the sample is displayed When setting the tare range the weighable range is reduced by ...

Page 29: ... additional sample on the balance Only the addition is measured 1 Put a sample in place The mass of the sample is displayed 2 Set the tare Press the Zero Tare key The readout becomes zero tare range set 3 Place the next sample on the balance Only the mass of the added sample is displayed ...

Page 30: ...the tare Example tare range 300 0 g Put a container in place and press the Zero Tare key The tare range is set and the readout becomes zero Net lights up when the tare range is being set 2 Put a sample in place The mass of the sample alone net weight is displayed 3 Display the gross weight Gross weight readout Press the Function key The summed weight total weight of the sample and the container is...

Page 31: ...ress the Function key once and select 2 SEL additional functions The first setting 2 SEL 0 is displayed 3 Select a setting Press the Zero Tare key to select the setting The next setting is displayed every time the Zero Tare key is pressed The first setting is displayed again if the Zero Tare key is pressed when the last setting is displayed Example Press the Zero Tare key twice to select 2 SEL 2 4...

Page 32: ... bottom plate by holding both sides and lifting it up 2 Slowly turn the balance and lay it on its back 3 Loosen the hook cover screw and rotate the hook cover around the screw by 90 degrees to the right 4 Retighten the screw 5 Put the bottom plate the windshield ring the pan base and the weighing pan back in place Close all the windshield doors Parts such as a bottom pan are included in the tare r...

Page 33: ...surement mode from other weighing modes perform following operations 1 Go to function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 1 SEt is displayed 2 Select simple weight measurement mode Press the Zero Tare key several times to select 1 SEt 1 3 Press the Set key The setting is saved and the display returns to showing the s...

Page 34: ...ics of Function Settings Press and hold the Function key until Func is displayed 2 Select counting mode Press the Zero Tare key several times to select 1 SEt 2 3 Save the mode Press the Set key The balance is set to counting mode and Pcs is displayed 4 Start sampling Press and hold Press and hold the Function key until U SEt is displayed The display reads on 10 Pcs which indicates that ten samples...

Page 35: ...es A beep notifies you that added samples have been measured Repeating this sample addition step improves the counting accuracy 8 Finish sampling Press the Function key The average sample weight is saved and the balance returns to displaying the number of samples 9 Put samples in place to count them Pressing the Function key toggles the display between the number of samples the average sample weig...

Page 36: ...m a small number of samples gradually increase the number of samples to increase counting accuracy If Add is displayed it indicates that the number of added samples is too small Increase the number of additional samples Sampling is possible even when Sub or Add is displayed However counting accuracy will be low If L Err is displayed it indicates that the average sample weight is smaller than the w...

Page 37: ...ction key until Func is displayed 2 Select percentage weighing mode Press the Zero Tare key several times to select 1 SEt 3 3 Save the mode Press the Set key The percentage weighing mode is set and is displayed 4 Start measuring the reference sample weight Press and hold Press and hold the Function key After P SEt is displayed release the key The previously saved reference sample weight blinks 5 S...

Page 38: ...ously saved reference sample weight blinks 5 Enter the value of a reference sample weight Set a reference weight with the following steps 1 Press the Zero Tare key The rightmost digit will blink 2 Press the Zero Tare key to select a number Pressing the key toggles the number between 0 and 9 and the decimal point 3 Press the Function key to move to the next digit which will then start blinking Set ...

Page 39: ...it Reference weight Lower weight limit 10 0 1 Lower weight limit 10 Reference weight Lower weight limit 100 0 01 Lower weight limit 100 Reference weight The L Err display indicates that the reference weight is below the lower weight limit which means that weighing is impossible For more information on the weight limit in percentage weighing refer to Appendix 4 2 Functional Specifications ...

Page 40: ... Press the Zero Tare key several times to select 1 SEt 4 3 Save the mode Press the Set key The unit conversion mode is set and is displayed 4 Go to the coefficient setting mode Press and hold Press and hold the Function key until C SEt is displayed The previously saved coefficient is displayed 5 Enter a coefficient Set a coefficient with the following steps 1 Press the Zero Tare key The rightmost ...

Page 41: ...hods 31 6 Save the coefficient Press the Set key 7 Weigh a sample The weight of the sample is multiplied by the coefficient and the result is displayed The increment of the readability is automatically set to 1 2 or 5 depending on the entered coefficient ...

Page 42: ...u will use 3 5 1 Specific gravity measurement procedure Measure the specific gravity according to the following procedures 1 Prepare measurement tools 2 Set the water temperature or the specific gravity of the liquid 3 Weigh the sample in air 4 Correct the error of the basket 5 Weigh the sample in water 6 The specific gravity value is displayed 3 5 2 Preparing measurement tools Prepare the followi...

Page 43: ... of water in the container Set the water temperature with the following steps Start the water temperature setting with the highest order digit and then sequentially set lower order digits 1 Press the Zero Tare key The rightmost digit will blink 2 Select a number by pressing the Zero Tare key Pressing the key toggles the number between 0 and 9 and the decimal point 3 Press the Function key to move ...

Page 44: ... in the cage When the weight readout is stabilized press the Set key This saves the weight of the sample in the air Once the weight is saved is shown in the lower left corner of the display You can also weigh the sample on the weighing pan 9 Set the liquid container in place Place the container with water under the balance and put only the cage into the water Do not put the sample in the cage Pres...

Page 45: ...nction setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Select gravimeter mode Press the Zero Tare key several times to select 1 SEt 5 3 Go to the medium selection mode Press the Function key 11 MEd is displayed 4 Select the Not water setting Press the Zero Tare key to select 1 Not water and press the Set key Now the balance ca...

Page 46: ...13 A o automatic output function settings Print format When the 12 d o d output data selection function setting is set to 1 specific gravity weight actual water temperature or medium density all data are output See the figures below When the 12 d o d output data selection function setting is set to 0 only specific gravity only the first and second lines in the figures below are printed When statis...

Page 47: ...2 Select the addition function Press the Function key several times to select 2 SEL Press the Zero Tare key to select 2 SEL 1 When using both the cumulate and limit functions together select 2 SEL 3 For more information on the limit function refer to Section 3 7 Judging between Too Heavy and Too Light Limit Function 3 Select cumulate or net addition Press the Function key After 2C Add is displayed...

Page 48: ...ve weight are displayed for several seconds Repeat this operation to add measurements After adding a measurement press the Zero Tare key to set the tare range By doing so you can add another sample without removing the previous sample to add the next measurement 2 Net addition Place an additional sample Add another sample The tare range is set automatically After an asterisk is displayed press the...

Page 49: ... key to return to the measurement mode You can repeat the addition operation from step 1 If t Err is displayed it indicates 1 you have attempted to add a measurement when a negative weight is displayed or 2 you have attempted to add measurements without replacing samples or setting the display to zero when the cumulate function is selected You cannot add measurements in either case The function se...

Page 50: ...er limit within the appropriate range or too heavy higher than the upper limit and the judgment result is displayed using the symbol Judgment result 1 point setting lower limit 2 point setting upper lower limits Above the upper limit Not displayed Upper limit Weight Appropriate Lower limit Weight Lower limit Weight Upper limit Below the lower limit Weight Lower limit Weight Lower limit For a 3 or ...

Page 51: ...ing Methods 41 Depending on the number of judgment points the mark shown in the range indicated by appears at all times In 1 point setting only the lower limit is set and is used for judging whether samples are OK appropriate range or LO too light ...

Page 52: ... the following criteria is used for judgment Judgment using definite values Upper limit lower limit and other limit values by which to judge are specified Judgment using deviation values A reference weight and the range between its upper and lower limits are used to make judgment The following two methods are available to enter limit values Setting a weight by weighing an actual sample Weigh an ac...

Page 53: ...te values 2 Judge using deviation values Buzzer for rank 1 25 bu 1 0 The buzzer is not sounded for rank 1 LO 1 The buzzer is sounded for rank 1 LO Buzzer for rank 2 26 bu 2 0 The buzzer is not sounded for rank 2 OK 1 The buzzer is sounded for rank 2 OK Buzzer for rank 3 27 bu 3 0 The buzzer is not sounded for rank 3 HI 1 The buzzer is sounded for rank 3 HI Buzzer for rank 4 28 bu 4 0 The buzzer is...

Page 54: ...ge only when the balance is stable 4 Set the range to cover Press the Function key several times to select 22 Li Press the Zero Tare key to select the range to cover 0 Detect when the limit is exceeded by more than five divisions 1 Detect when the limit is exceeded by more than fifty divisions 2 Detect both when the limit is exceeded and when it is not reached 5 Set the point scale Press the Funct...

Page 55: ...t to actual sample weight setting mode Press and hold Press and hold the Set key until L SEt is displayed 2 Weigh the sample serving as the lower limit Put the sample serving as the lower limit in place and press the Function key For 1 point setting this operation completes the setting save process Proceed to step 4 For 2 point setting H SEt is displayed 3 Weigh the sample serving as the upper lim...

Page 56: ...htmost digit will blink 2 Select a number by pressing the Zero Tare key Pressing the key toggles the number between 0 and 9 and the decimal point 3 Press the Function key to move to the next digit which will then start blinking 4 Press the Set key to save the number For 1 point setting this operation completes the setting save process Proceed to step 4 For 2 point setting H SEt is displayed 3 Ente...

Page 57: ...2 Weigh the sample serving as the reference weight Put the sample serving as the reference weight in place and then press the Function key 3 Weigh the sample serving as the lower limit Place the sample serving as the lower limit in place and press the Function key For 1 point setting this operation completes the setting save process Proceed to step 5 For 2 point setting H SEt is displayed 4 Weigh ...

Page 58: ...displayed 2 Enter the reference weight Enter the reference weight with the following steps 1 Press the Zero Tare key The rightmost digit will blink 2 Select a number by pressing the Zero Tare key Pressing the key toggles the number between 0 and 9 and the decimal point 3 Press the Function key to move to the next digit which will then start blinking 4 Press the Set key to save the number 3 Enter t...

Page 59: ...atistical operation function collects weight data and displays maximum average and other statistical values 3 8 1 Calculation items Calculation item Display example Maximum value Minimum value Average value Standard deviation Width Maximum Minimum Coefficient of variation Number of data items Sum total ...

Page 60: ...utput 5 Collect more data Unload the previous sample check that the display indicates 0 and place the next sample Collect data in the same way as in step 4 Repeat placing a sample collecting data and removing the sample until the required number of data items are collected 6 Display the statistical operation result Press the Function key The display changes to the statistical operation display 7 S...

Page 61: ...ly In step 4 pressing the Print key is required only when 71 o c 7 is selected When 71 o c 4 is selected data is output and collected automatically when the balance is stable For the statistical operation function the 71 o c setting is valid when it is set to 4 or 7 If it is set to other values it is taken as 71 o c 7 When the number of data items exceeds 999 or the total exceeds the number of dig...

Page 62: ...is selected The statistical operation results are output Indication of operation result Description RESULT Title DATE Date when the operation result is output TIME Time when the operation result is output N Number of data items SUM Sum total MAX Maximum value MIN Minimum value R Width Maximum Minimum AVE Average value SD Standard deviation CV Coefficient of variation Other indications Description ...

Page 63: ...t the calculation item to Number of data items Press the Set key several times until the calculation item is set to Number of data items When the calculation item is Number of data items three Insert the image of the black triangle on the left hand side symbols light up 3 Cancel the last collected data Press the Zero Tare key The last collected data is cancelled and CANCEL is output You cannot can...

Page 64: ...ion key when the balance is displaying the weight 2 Set the calculation item to Sum total Press the Set key several times until the calculation item is set to Sum total When the calculation item is Number of data items the Σ sign lights up 3 Clear statistical operation results Press the Zero Tare key The statistical operation results are cleared and ALLCLR is output When the 1 SEt setting is chang...

Page 65: ...AC adapter Use a weight for adjustment calibration that weighs 50 or more of the weighing capacity To calibrate the balance more accurately use a weight that is equivalent to the weighing capacity For calibration of the internal weight use a weight that has a mass equivalent to the weighing capacity 4 1 1 Span adjustment with internal weight This function is only available for the LFR type 1 Go to...

Page 66: ...his function is only available for the LFR type 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Select span test with internal weight Press the Function key several times to select 8 CA Press the Zero Tare key to select 8 CA 2 Press the Set key to return to the weight display 3 Start the span test Press th...

Page 67: ...ct 8 CA 3 Press the Set key to return to the weight display 3 Start span adjustment with external weight Press the Cal key CAL EHt is displayed When PuSH C is displayed press the Cal key The display changes from CAL EHt to on 0 and then zero point adjustment starts If an instrumental error of weight is used the entered instrumental error of weight is displayed for about two seconds 4 Place a weigh...

Page 68: ...e span test with external weight Press the Cal key t EHt is displayed When PuSH C is displayed press the Cal key The display changes to t EHt then on 0 and then zero point adjustment starts If an instrumental error of weight is adopted the entered instrumental error of weight is displayed for about two seconds 4 Place a weight on the weighing pan When zero point adjustment is completed and on F S ...

Page 69: ...ase the keys 2 Select calibration of internal weight Press the Function key several times to select 3 r CA Press the Zero Tare key to select 1 Press the Function key The display changes to rEF CAL 3 Start the calibration of the internal weight While pressing the Zero Tare key press the Function key and release the keys simultaneously 4 Start the zero point adjustment on 0 blinks on the display and...

Page 70: ...ight When 4 M E H is displayed press the Function key to return to measurement mode For details on 4 M E H refer to Section 4 3 Entering the instrumental error of a weight for use 1 When the Print key is pressed during span adjustment or span test StOP is displayed Then the span adjustment or span test is discontinued and the balance returns to the weight display 2 For span adjustment or a span te...

Page 71: ...nal weight 4 4 Err This means that an error of over 1 0 was detected or the balance has malfunctioned during adjustment using the internal weight 5 A Err This means that the internal drive has malfunctioned during adjustment using the internal weight When an error message is displayed press any key to return to the measurement mode When any of these messages is displayed calibration is not perform...

Page 72: ...ect 1 3 Start entering the instrumental error Press the Zero Tare key The leftmost digit will blink 4 Enter a value Press the Zero Tare key to change the value in the blinking digit 5 Move to the other digits to enter numbers Press the Function key to move the cursor to the left and the digit in the cursor position will then start blinking If the cursor is at the leftmost digit it moves to the neg...

Page 73: ...rt blinking The full automatic calibration function is only available for the LFR type 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Select full automatic calibration or Press the Function key several times to select E Ad C Press the Zero Tare key to select 1 or 2 E Ad C 0 Both functions are inactive E A...

Page 74: ...ng mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Set repeatability measurement to Automatic Repeatability Measurement ARM Press the Function key several times to select F ArM Press the Zero Tare key to select 1 3 Return to the weight display Press the Set key The balance returns to the weight display 4 Start the Automatic Repeatabil...

Page 75: ... to select F ArM Press the Zero Tare key to select 2 3 Return to the weight display Press the Set key The balance returns to the weight display 4 Start the Semi Automatic Repeatability Measurement SARM Press and hold Press and hold the Cal key until SArM is displayed After a short time the display changes to Cnt 1 and the measurement is started 5 Measure the zero point The display changes to on 0 ...

Page 76: ...deviation is displayed 8 Return to the weight display Press any key The balance returns to the weight display To discontinue the measurement press the Print key The standard deviation displayed after the Automatic Repeatability Measurement ARM is the result of measurement using the internal weight equivalent to the weighing capacity To obtain a result of measurements in a state similar to how you ...

Page 77: ...til Func is displayed 2 Set the single touch response speed Press the Function key several times to select d o t c Press the Zero Tare key to select 1 3 Save the setting Press the Set key The balance returns to the weight display When the Set key is pressed once the current setting is displayed Each time the Set key is pressed the response speed changes in three steps NORMAL SLOW and FAST in this ...

Page 78: ...r response which is suitable for use in a place significantly affected by vibration Setting 5C Fr to 0 results in the fastest response which is suitable for use in a place hardly affected by vibration Setting 5C Fr to a larger number up to 4 results in lower response which is suitable for use in a place significantly affected by vibration This function is not available when the addition function o...

Page 79: ...lect b1 u A Press the Zero Tare key to select a unit from the following numbers 1 mg 2 g 4 ct carat d mom momme When only setting unit A press the Set key in this step to save the setting 3 Set unit b Press the Function key several times to select b3 ub Press the Zero Tare key to select a unit from the following numbers 0 Unit b is not used 1 mg 2 g 4 ct carat d mom momme Unit b can only be used i...

Page 80: ...ility Press the Function key several times to select b2 d A Press the Zero Tare key to select from 1 through 5 3 Save the setting Press the Set key The balance returns to the weight display To set the readability of unit b select b4 d b in step 2 You can also set the same unit for unit A and unit b and set different minimum indications so that unit A and unit b can be used to switch the readabilit...

Page 81: ...r the LF225DR You can use it when the balance is displaying the weight 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Set automatic switching of scale intervals to ON Press the Function key several times to select C d r Press the Zero Tare key to select 1 3 Return to the weight display Press the Set key T...

Page 82: ...meter mode or the statistical operation function You can use it when the balance is displaying the weight 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Set the function that turns on or off the automatic switching of scale intervals Press the Function key several times to select d o t c Press the Zero Ta...

Page 83: ... a larger error in weighing You should set the tare range regularly 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Set the tare memory Press the Function key several times to select n tArE Press the Zero Tare key to select 1 3 Save the setting Press the Set key The balance returns to the weight display 4 ...

Page 84: ... hold the Function key until Func is displayed 2 Set the automatic backlight off function Press the Function key several times to select A A b Press the Zero Tare key to select 1 3 Save the setting Press the Set key The balance returns to the weight display The automatic backlight off function does not work under the following conditions Function settings are displayed An object is placed on the w...

Page 85: ...isplayed 2 Adjust the time Press the Set key The value in the location of the cursor can be changed Change the value in the location of the cursor using the Zero Tare key Press the Function key to move the cursor to the right If the cursor is at the rightmost digit it returns to the leftmost digit Pressing the Print key while making the setting returns to the time that was set before you started m...

Page 86: ...the date view 2 Adjust the date Follow step 2 in Time Setting to change the date 3 Save the date Press the Set key 5 8 Date View Use this function to set the order in which the year month and day are displayed or output to printers and other devices to indicate the date stored in the balance 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Funct...

Page 87: ... before using this function 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Set the time output function Press the Function key several times to select J t o Press the Zero Tare key to select J t o 1 3 Save the setting of time output function Press the Set key ...

Page 88: ...ress the Zero Tare key to select A or b and then press the Set key 71 o c A Output once after a set interval elapses 71 o c b Output once in a stable state after a set interval elapses 3 Bring up the interval function Press and hold Press and hold the Set key until Int VAL is displayed The interval time is displayed and the cursor is located at the leftmost digit 4 Set the interval time Change the...

Page 89: ...ed interval output starts 7 End interval output Press the Print key After End is displayed the balance returns to the weight display Output stops in the function setting mode When 6 Err is displayed it indicates that the interval time is set to zero Set the interval time again Press any key to delete the error display ...

Page 90: ...the keys when Func2 is displayed Function 2 setting mode is set and 1 Id 0 is displayed 2 Set the ID number Press the Zero Tare key to select 1 3 Go to the ID number setting mode Press the Function key 4 Enter the ID number When ID number is being displayed or set and appear in the upper left of the display Enter the ID number with the following steps 1 Press the Zero Tare key The leftmost digit w...

Page 91: ...rE response speed 5C Fr signal processing and b2 d A b4 d b minimum readability setting function settings the better the stability will be Relationship between each function setting and the effect of wind vibration Effect of wind vibration 4A S h stability judgment width 4b S C number of stability judgments 5A rE response speed 5C F r signal processing 1 1 0 1 2 2 1 2 3 3 2 3 4 4 3 4 5 5 4 6 6 5 7...

Page 92: ...width in this order Method 3 Set the minimum readability to a larger value to improve both flicker of displayed values and blinking of the stability indicator This method cannot be used for the LF225DR Set a larger value for b2 d A b4 d b minimum readability setting 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is disp...

Page 93: ...lease the keys 2 Select α check function Press the Function key several times to select 5 S dn Press the Zero Tare key to select 1 and then press the Function key 51 d t is displayed 3 Start the test Select 51 d t Press the Zero Tare key to select 1 and then press the Function key dSP tESt is displayed 4 Check the display Press the Function key several times Pressing the Function key toggles the d...

Page 94: ...d 3 Start the test Press the Function key several times to select 52 K t Press the Zero Tare key to select 1 and then press the Function key KEy tESt is displayed 4 Check the keys Press the keys several times Pressing each key should bring up the following display Zero Tare key left tArE1 Zero Tare key right tArE2 Function key Function Set key Set Cal key CAL Print key Print 5 Print the test resul...

Page 95: ... 5 S dn Press the Zero Tare key to select 1 and then press the Function key 51 d t is displayed 3 Start the test Press the Function key several times to select 53 M t Press the Zero Tare key to select 1 and then press the Function key Mot tESt is displayed 4 Activate the internal weight Press the Function key The internal weight is activated 5 Print the test result Press and hold the Print key The...

Page 96: ...e Zero Tare key to select 1 and then press the Function key 51 d t is displayed 3 Start the test Press the Function key several times to select 54 Sc t Press the Zero Tare key to select 1 and then press the Function key CAL HiSt is displayed 4 Display details of history data When the history number is displayed press the Zero Tare key several times Pressing the Zero Tare key cyclically shows histo...

Page 97: ...elease the keys 2 Select α check function Press the Function key several times to select 5 S dn Press the Zero Tare key to select 1 and then press the Function key 51 d t is displayed 3 Start the Automatic Repeatability Measurement ARM Press the Function key several times to select 55 ArM Press the Zero Tare key to select 1 and then press the Function key ArM is displayed and the Automatic Repeata...

Page 98: ...nction Press the Function key several times to select 5 S dn Press the Zero Tare key to select 1 and then press the Function key 51 d t is displayed 3 Start the Semi Automatic Repeatability Measurement SARM Press the Function key several times to select 56 SArM Press the Zero Tare key to select 1 and then press the Function key SArM is displayed and the Semi Automatic Repeatability Measurement SAR...

Page 99: ...uired for the printer Set it by referring to the operation manual of the printer Set the printing function printing control to balance control Match the baud rate and other communication settings to the settings of the balance Set the date and time of the printer before printing 6 1 2 Printing span adjustment and span test results 1 Go to the function setting mode Refer to Section 2 6 Basics of Fu...

Page 100: ... to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Press the Function key several times to select G GLP Select 1 by pressing the Zero Tare key 3 Press the Function key several times to select G2 od Select 1 by pressing the Zero Tare key 4 Save the setting Press the Set key The balance returns to the weight displa...

Page 101: ...external devices is established with the following specifications Disconnect the AC adapter of the balance before connecting external devices 6 2 1 Connector pin numbers and functions of the D SUB9P The D SUB9P connector equipped on the balance has the following pin alignment Pin number Signal name Input Output Function Remarks 1 2 RXD Input Receiving data 3 TXD Output Transmitting data 4 DTR Outp...

Page 102: ...or externally setting a tare range Pin 9 and the signal ground pin Pin 5 When doing so allow at least 400 ms for connection ON time Maximum voltage when the balance is turned OFF 15 V sink current when it is turned ON 20 mA 6 2 2 Examples of connection with a PC Use the following examples as a guide to connect the balance to external devices using a cable Examples of connection with a PC AT compat...

Page 103: ...etected as a new device Install the driver 4 After the driver is properly installed check the port to which the balance is connected by using Device Manager for example 5 Set the application connection port to be used and check that communication has been established If communication is not established properly check the communication settings of both the balance and the application and check whet...

Page 104: ...00 bps Transmission codes ASCII codes 8 7 bits Signal level Compliant with EIA RS 232C HIGH level data logic 0 5 to 15 V LOW level data logic 1 5 to 15 V Bit configuration Start bit One bit Data bits 8 7 bits 7 bits can only be specified for the extended 7 8 digit numeric format Parity bits 0 1 bit Stop bits 2 1 bit 1 bit can only be specified for the extended 7 8 digit numeric format Parity bit N...

Page 105: ...elect a format by performing the following steps 1 Go to the function setting mode Refer to Section 2 6 Basics of Function Settings Press and hold the Function key until Func is displayed 2 Press the Function key several times to select 7 1 F Press the Zero Tare key to select a format 2 7 digit numeric format 3 Extended 7 digit numeric format 41 Special format 1 42 Special format 2 5 8 digit numer...

Page 106: ...and the stop bit length can be one bit If you select Japanese katakana as the print language the data length is automatically set to eight bits 8 digit numeric format Consists of 16characters including terminators CR 0DH LF 0AH to which a parity bit can be added 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P1 D1 D2 D3 D4 D5 D6 D7 D8 D9 U1 U2 S1 S2 CR LF Extended 8 digit numeric format This is an extende...

Page 107: ...does not contain decimal places In this case a space is output after the least significant digit SP Space 20H A space at the front of a numeric value When numeric data does not contain decimal places a space rather than a decimal point is output after the least significant digit By default 0 30H is used to begin numeric values that do not begin with data Using the function setting such values can ...

Page 108: ...ndicates the judgment result when the limit function is used S1 Code Description Remarks L 4CH Below LO G 47H Appropriate OK H 48H Above HI 1 or 2 point scale 1 31H Rank 1 2 32H Rank 2 3 33H Rank 3 4 34H Rank 4 5 35H Rank 5 3 or 4 point scale T 54H Cumulative value U 55H Unit weight SP 20H No judgment result or no data type specified d 64H Gross Data type ...

Page 109: ...weights 2 When o Err or u Err is displayed Output data other than measurement data When the following data is output the printer control command is added before and after the output data 1 Interval output The header and footer are output at the start and end of interval output Header 15 characters and the terminators CR 0DH LF 0AH are output 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Footer Two line feed...

Page 110: ... including terminators CR 0DH LF 0AH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P1 SP D1 D2 D3 D4 D5 D6 D7 D8 SP U1 U2 U3 CR LF Special format 2 Consists of 18 to 20 characters including terminators CR 0DH LF 0AH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 S1 S2 S3 SP D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 SP U1 U2 U3 CR LF Meanings of special format 1 data P1 one character Indicates the polarity of da...

Page 111: ...nit three characters becomes a space 20H Communication format examples for special format 1 123 4567 g No data type specified Data stable 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SP 1 2 3 4 5 6 7 SP g SP SP CR LF Scale overload o Err 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SP SP SP SP SP SP H SP SP SP SP SP SP SP CR LF In the case of scale underload u Err L is output as the seventh character ...

Page 112: ...le SP D1 to D10 Stores numeric data D1 to D10 Code Description 0 to 9 30H to 39H 0 to 9 numeric right aligned 2EH Decimal point floating 2DH Polarity negative SP Space 20H Polarity positive or zero Spaces at the front and back of a numeric value Spaces in the digit places where there is no numeric value U1 U2 U3 three characters Indicates the unit used to show numeric data This is variable length ...

Page 113: ...ion format examples for special format 2 123 4567 g No data type specified Data stable 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 S SP S SP SP SP 1 2 3 4 5 6 7 SP g CR LF Scale overload o Err 1 2 3 4 5 S SP CR LF In the case of scale underload u Err is output as the third character ...

Page 114: ...response When the balance is in normal display mode it usually sends a response to a command within one second of receiving the command For the tare range span adjustment or span test commands a response is sent after the commands are completely processed If the balance receives a tare range setting command when the function setting for tare range function setting H tr is set to wait for the balan...

Page 115: ...completion E01 Command error E04 The tare range cannot be set zero point cannot be adjusted range violation weight error etc 2 Output control setting command C1 C2 Code C1 Code C2 Description Response O 0 4FH 30H Stop output O 1 4FH 31H Output continuously at all times O 2 4FH 32H Output continuously if stable Stop output if unstable O 3 4FH 33H Output once when the Print key is pressed whether th...

Page 116: ...nction Output once during stabilization each time the output time has elapsed A00 Successful completion E01 Command error Commands O0 to O7 have the same functions as the output control set by the function setting Commands O8 and O9 are used to request data from the balance Once the O0 to O7 commands are executed that state is maintained However the status is reset to the function setting when the...

Page 117: ...lts in an error 2 If unit b is set to NONE the balance is set to the weight measuring mode When you specify a mode that is not supported by the current Weighing Mode an error is returned from the balance 4 Date output request and time output request C1 C2 Code C1 Code C2 Description Response D D 44H 44H Date output request D T 44H 54H Time output request A00 Successful completion E01 Command error...

Page 118: ...2 Description Response C 0 43H 30H Disables command inputs 1 C 1 43H 31H Span adjustment with internal weight C 2 43H 32H Span test with internal weight C 3 43H 33H Span adjustment with external weight C 4 43H 34H Span test with external weight A00 Successful completion E01 Command error E02 Operation is disabled E03 Cancelled by operation E04 Abnormal completion 1 Span adjustment and test command...

Page 119: ... completion E01 Command error E02 Value setting error Delimit the command and the limit value with a comma 2CH for example LA nnn Enter a value with no unit When the balance is in simple weight measurement mode the entered value is recognized in the unit registered as Unit A For example if the command LA 20 00 is sent the balance takes it as 20 00 g if Unit A is set to grams or 20 00 ct if Unit A ...

Page 120: ...aracters including terminators For more information on A1 to A3 see the Response fields in the previous section A1 A2 A3 CR LF ACK NAK format Consists of one character without a terminator Successful completion ACK or Abnormal completion NAK is returned Response Code Meaning ACK 06H Successful completion NAK 15H Command error when an erroneous command is received Numeric format error Processing in...

Page 121: ...e weighing pan mechanical parts may have failed Please contact the retailer from whom the balance was purchased First clear the addition result Then execute the addition again The coefficient used for unit conversion is too small Set a larger coefficient u Err The negative load exceeded the lower limit The weighing pan or the pan base may not be set properly Check whether they are in contact with ...

Page 122: ... was purchased d Err The balance is influenced by static electricity or noise Unplug the AC adapter from the receptacle and then turn the power on again If this error occurs again electric components may have failed Please contact the retailer from whom the balance was purchased L Err The weight of a sample is too light to take samples for counting or for reference weight saving during percentage ...

Page 123: ...this error occurs again the sensor may be malfunctioning Please contact the retailer from whom the balance was purchased E2 Err Initialization cannot be completed because the balance is unstable The balance may be affected by an external influence such as wind and vibration Relocate the balance by referring to instructions about the place of installation described in Section 1 1 Warnings regarding...

Page 124: ...ase contact the retailer from whom the balance was purchased The display flickers The balance may be affected by an external influence such as wind and vibration Increase the setting values of relevant functions by referring to Section 5 11 Improving the Stability of the Balance This error is caused by the balance not being used for a long period of time or being relocated Perform span adjustment ...

Page 125: ...sed for calibration is slightly different in mass from the weight used for checking Use the same weight during calibration and checking The M continuously flashes When the Zero Tare key is pressed when taking samples in counting mode etc The balance may be affected by an external influence such as wind and vibration The balance may be affected by an external influence such as wind and vibration Ta...

Page 126: ...evice With these settings after the Print key is pressed and once the balance has stabilized output is done once Check the output by pressing the Print key Wrong cable connection To connect the balance to a common PC a crossover cable is required Refer to Section 6 2 Connecting to External Devices via the RS 232C Interface Obtain one yourself or contact the retailer from whom the balance was purch...

Page 127: ...ng 1 ID 0 2 Set the function initialization Press the Function key to select 2 in i Press the Zero Tare key to select 1 3 Save the setting Press the Set key The balance returns to the weight display All function settings are initialized discarding all data including ID numbers limit values as well as all counting percentage weighing unit conversion and gravimeter data Restoring the information onc...

Page 128: ... adapter before cleaning the balance Removing the windshield doors 1 Push down the lower knob of the doors you want to remove until they are free 2 Remove the door storage cover by pushing the upper part of the claw down and tilting the cover toward you 3 Remove the doors by pushing them backward 4 Attach the doors in the reverse order of removal When attaching the doors bring the two doors togeth...

Page 129: ...pan To remove the bottom plate hold both sides of the bottom plate with both hands and pull it up Attach the bottom plate the windshield ring the pan base and the weighing pan in this order 7 4 2 How to clean the balance To clean the main unit wipe it down with a wet soft cloth that has been thoroughly wrung out Do not use any strong solvents or abrasive cleansers Take care not to allow liquid or ...

Page 130: ...7 Troubleshooting LF R Series Operation Manual 120 Memo ...

Page 131: ...LF R Series Operation Manual Appendixes 121 Appendixes Appendix 1 Function Setting List ...

Page 132: ...Appendixes LF R Series Operation Manual 122 ...

Page 133: ...LF R Series Operation Manual Appendixes 123 ...

Page 134: ...Appendixes LF R Series Operation Manual 124 ...

Page 135: ...LF R Series Operation Manual Appendixes 125 ...

Page 136: ...Appendixes LF R Series Operation Manual 126 ...

Page 137: ...LF R Series Operation Manual Appendixes 127 ...

Page 138: ...Appendixes LF R Series Operation Manual 128 ...

Page 139: ...LF R Series Operation Manual Appendixes 129 ...

Page 140: ...ht Unit A Σ Cumulative value N A Displayed only when the addition function is selected 1 Counting Pcs Available Available 2 Cumulative count Pcs Σ Cumulative value N A Displayed only when the addition function is selected 3 Average unit weight Unit A Pcs N A N A Counting 4 Weight measuring Unit A N A N A 1 Percentage measuring Available Available 2 Cumulative percent Σ Cumulative value N A Display...

Page 141: ...Printing When span adjustment span test or α check is successfully completed the balance outputs the following The ERR and the instrumental error line is output when the instrumental error has been entered Span adjustment with internal weight Span adjustment with external weight ...

Page 142: ...Appendixes LF R Series Operation Manual 132 Span test with internal weight Span test with external weight ...

Page 143: ...LF R Series Operation Manual Appendixes 133 Calibration of internal weight Measurement data Header Measurement data Footer ...

Page 144: ...Appendixes LF R Series Operation Manual 134 α check Display test α check Key test ...

Page 145: ...LF R Series Operation Manual Appendixes 135 α check Motor test Span adjustment history ...

Page 146: ...Appendix 4 1 Basic Specifications Gram g Parts counting Percentage Model Max g d g Minimum unit weight g Weight limit g Pan size LF124 R 120 0 0001 0 0001 0 01 LF224 R 220 0 0001 0 0001 0 01 LF225DR 92 220 0 00001 0 0001 0 00001 0 001 LF135R 135 0 00001 0 00001 0 001 φ80 ...

Page 147: ...are range setting Single touch tare range setting with an actual sample weight using the Zero Tare key Whether to wait for the balance to stabilize or not can be selected Zero tracking Zero tracking can be disabled with a setting Display when overloaded o Err is displayed when the weighing capacity is exceeded by 9e 0 009 g Output RS 232C compliant output is equipped as standard SHINKO DENSHI stan...

Page 148: ...00001 0 000001 0 000001 0 000001 0 0000001 3 8 7 2 9 7 4 1 troy ounce ozt 0 000005 0 000005 0 000001 0 000005 0 000001 77 140 59 140 83 penny weight dwt 0 0001 0 0001 0 00001 0 0001 0 00001 1800 3300 1400 3300 2000 grain GN 0 002 0 002 0 001 0 002 0 001 3 2 5 8 2 4 5 8 3 4 tael tl Hong Kong 0 000005 0 000005 0 000001 0 000005 0 000001 3 1 5 8 2 4 5 8 3 4 tael tl Singapore Malaysia 0 000005 0 00000...

Page 149: ...LF R Series Operation Manual Appendixes 139 Appendix 4 4 Unit Conversion Table ...

Page 150: ...Appendixes LF R Series Operation Manual 140 Appendix 4 5 Outline Drawings ...

Page 151: ...hange 67 F Full automatic calibration 63 Function setting 21 G Gravimeter 32 68 Gross 20 H History 86 I ID number 80 Initialize 117 Instrumental error 62 Interface 94 Interval output function 78 ISO GLP GMP compliant form 89 J Judgment using definite values 45 Judgment using deviation values 47 K Key test 84 L Limit function 40 Limit value 42 Liquid density 35 Lower weight limit 29 M Motor test 85...

Page 152: ...peration function 49 T Tare range setting 18 73 Terminator 105 Turning ON OFF the automatic switch between two scale intervals 72 U Underfloor measurement 22 Unit 69 Unit conversion 30 37 40 USB 93 W Weighing capacity 18 Weight 55 Windshield door 13 Z Zero point adjustment 17 ...

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