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Various Measuring Methods

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3-5 Measuring Specific Gravity

The specific gravity of a sample is measured using the underfloor weigher function.

注意

The “CJ underfloor weigher fixture option” is required (Refer to “Appendix 4

Specifications”

(P.

93).

Measurement procedures for specific gravity

Measure specific gravity with the following steps:

1. Preparing measurement equipment

2. Setting water temperature or the specific gravity of the liquid medium

3. Measuring the weight of the sample in the air

4. Correcting errors due to the cage

5. Measuring the weight of the sample in water

6. Displaying a specific gravity value

Preparing measurement equipment

Prepare the following equipment and sample:

はかりを
載せる台

試料を載
せるカゴ

容器

水または
液体

本体底面の床下
ひょう量用金具
に取り付け

注意

Using smaller size samples may result in inaccurate measurements. Use as large a
sample as possible.

参考

To measure specific gravity correctly, set the water temperature. Measure the in-container

water temperature beforehand.

Caution

Attach the cage to the underfloor
weigher fixture provided on the
bottom of the unit.

Reference

Caution

Container

Water or liquid

Base on which to
place the balance

Cage in which to
place the sample

Содержание CJ-E series

Страница 1: ...Electronic Balance CJ E Series Operation Manual Instructions 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...

Страница 2: ......

Страница 3: ...rgency alerted for danger is high WARNING This symbol indicates improper handling that may cause death or severe damage including serious injury CAUTION This symbol indicates improper handling that ma...

Страница 4: ...rvice Division Only use the specified power source Use of other types of power sources may result in heat generation fire or malfunction of the balance Only use the dedicated AC adapter Use of other t...

Страница 5: ...dusty environment Do not lay the AC adapter cable on the surface of a passage Somebody may trip on the cable causing the balance to fall thereby causing injury and or damage to the balance Do not move...

Страница 6: ...vent breakage or malfunction place the sample to be measured on the balance carefully Do not use volatile solvents for cleaning The body may be distorted To clean the unit of stains use a piece of dry...

Страница 7: ...with 80 or lower relative humidity Location where it is subject to direct sunlight An internal temperature increase in the balance may lead to inaccurate measurement Unstable base or location where i...

Страница 8: ...wer and to prevent deterioration unplug it CAUTION battery handling Never disassemble or modify the batteries Take care to ensure you insert batteries with the positive and negative poles correctly in...

Страница 9: ...Safety Precautions vii Dispose of batteries in accordance with local regulations...

Страница 10: ...setting units and minimum readability Chapter 6 Input Output to from External Devices This chapter describes printing to printers and how to input and output to from RS 232C devices in detail Chapter...

Страница 11: ...Displaying the Sum of the Container and the Sample 15 2 5 Function Setting Basics 16 3 1 Weighing Weighing Machine 20 3 2 Counting Parts Count 21 Displaying average sample weight 22 3 3 Measuring Perc...

Страница 12: ...by deviation values using the method of entering values 44 4 1 How to Calibrate 48 4 2 Testing the Balance 50 5 1 Using Two Expression Units by Switching Them 52 5 2 Minimum Readability Setting 53 5...

Страница 13: ...ing 80 7 3 Initializing 83 7 4 Maintenance 84 For heavy dirt 84 How to take care of the balance 84 Appendix 1 Function Setting List 86 Appendix 2 Measurement Mode List 90 Appendix 3 Printing in Compli...

Страница 14: ......

Страница 15: ...assembling the main unit to turning the power switch on and off Before your first use of the balance be sure to read this chapter This chapter includes Checking Supplied Items Names and Functions of...

Страница 16: ...n the box In the unlikely event of problems such as missing or broken items please contact the retailer from whom the balance was purchased or our Sales Office See the Appendix at the end of this manu...

Страница 17: ...inclination of the unit by turning them right or left D SUB9 pin Use to connect the balance to an RS232C connector printer or other external device Cover Remove when using options Anti theft hole Con...

Страница 18: ...ust from entering the unit Note that the waterproofing and dustproofing functions do not work in the following situations When the cable is connected to the D SUB9P When the buzzer option the full pac...

Страница 19: ...s Press Give a light press of the key and then release the finger Press and hold Hold the key down and release the finger after the appropriate display is obtained Continuously press and hold Hold dow...

Страница 20: ...that settings are being saved Blinks when adjusting the zero point and when waiting for tare range setting to stabilize Zero point Bar graph Shows gross weight using the rate to the weighing capacity...

Страница 21: ...mode Upper Indicates that an ID number is being displayed or entered Indicates that actual water temperature unit C is being entered Upper Indicates that a specific gravity unit none is being displaye...

Страница 22: ...sing a tool such as a coin Attach the pan base by aligning it to the projections on the main unit Do not overtighten the screws Fix it by turning the screws using a tool such as a coin 2 Attach the pa...

Страница 23: ...ition and make adjustments little by little Making adjustments using the other adjuster located on the other side as a pair while observing the level helps to level the balance After the air bubble in...

Страница 24: ......

Страница 25: ...c measuring functions that are used daily This chapter includes Powering On Off the Balance and Checking Operation Weighing by Placing a Sample in a Container Tare Weighing an Added Sample Displaying...

Страница 26: ...n the power is turned on is the measuring mode that was used before the power was turned off For example if the power is turned off in parts counting mode the balance is started up in parts counting m...

Страница 27: ...container is displayed 2 Set the tare 0 Net Press the Zero Tare key The readout becomes zero and 0 and Net are displayed tare range setting When Net is not displayed even though the Zero Tare key is p...

Страница 28: ...Only the added weight is measured 1 Place the sample Net The weight of the placed sample is displayed 2 Set the tare 0 Net Press the Zero Tare key The readout becomes zero tare range setting 3 Place t...

Страница 29: ...mode refer to Weighing P 20 1 Place the container and then set the tare Place the container and press the Zero Tare key The tare range is set and the readout becomes zero 2 Place the sample The weigh...

Страница 30: ...the balance to another mode If this happens press the Print key to cancel the setting and redo the setting from the beginning 2 Select a setting item By pressing the Function key select an item to be...

Страница 31: ...the function setting refer to Section 7 3 Initializing P 83 Function setting is possible with the direction keys After switching to the function setting mode with step 1 use the direction arrow keys...

Страница 32: ......

Страница 33: ...ng percentage weighing unit converting gravimeter and animal weighing This chapter includes Weighing Weighing Machine Counting Parts Count Measuring Percentage Obtaining Weight Multiplied by Coefficie...

Страница 34: ...use the following operation 1 Set to the function setting mode Refer to Section 2 5 Function Setting Basics P 16 Press and hold the Function key After is displayed release the finger is displayed 2 S...

Страница 35: ...ease the finger 2 Select Parts Counting Press the Zero Tare key several times to select 3 Save the weighing mode Pcs Press the Set key The parts counting mode is set displaying Pcs 4 Start sampling Pr...

Страница 36: ...sample weight When weighing in parts counting mode pressing the Function key can display average sample weight Pressing the Function key toggles the display between number of samples average sample w...

Страница 37: ...y After is displayed release the finger 2 Select Percentage Weighing Press the Zero Tare key several times to select 3 Save the weighing mode Press the Set key The percent weighing mode is set display...

Страница 38: ...d hold Press and hold the Function key After is displayed release the finger The previously saved reference sample weight blinks 5 Enter a reference weight Set the reference value with the following s...

Страница 39: ...the saved reference weight Min Indication Range of Reference Weight 1 Lower weight limit Reference weight Lower weight limit 10 0 1 Lower weight limit 10 Reference weight Lower weight limit 100 0 01 L...

Страница 40: ...Tare key several times to select 3 Save the weighing mode Press the Set key The unit converting mode is set displaying 4 Set to the coefficient setting mode Press and hold Press and hold the Function...

Страница 41: ...ave the coefficient Press the Set key 7 Weigh The weight of the sample is multiplied by the coefficient and the result is displayed The increment of the minimum readability is automatically set to 1 2...

Страница 42: ...weight of the sample in the air 4 Correcting errors due to the cage 5 Measuring the weight of the sample in water 6 Displaying a specific gravity value Preparing measurement equipment Prepare the fol...

Страница 43: ...ainer water temperature Set the water temperature with the following steps Set the water temperature starting from a higher order digit 1 Press the Zero Tare key Zero blinks in the rightmost digit 2 S...

Страница 44: ...n the air When the weight is saved is displayed in the lower left of the display Measuring a sample by placing it on the pan is also allowed 9 Set the liquid container Set the container with water und...

Страница 45: ...cm3 Gravimeter measurement data output Measured specific gravity data is output to a printer as follows depending on settings Before measurement Irrespective of the setting made in the function setti...

Страница 46: ...Various Measuring Methods 32 Set language for printing by the function setting language for printing 1 English 2 Japanese...

Страница 47: ...ta output samples When water is selected English Japanese katakana Specific gravity of solid Sample weight Actual water temperature When other than water is selected English Japanese katakana Specific...

Страница 48: ...played release the finger 2 Select Animal Weighing Press the Zero Tare key several times to select 3 Save the weighing mode g Press the Set key The animal weighing mode is set displaying 4 Set the res...

Страница 49: ...If the animal moves too much the value may not be held The measurement unit used in animal weighing is g only In animal weighing because stability detection ranges are wide errors may occur compared...

Страница 50: ...setting mode Refer to Section 2 5 Function Setting Basics P 16 Press and hold the Function key After is displayed release the finger 2 Select Addition Function Press the Function key several times to...

Страница 51: ...display indicates 0 and place the next sample Cumulating weight is also possible as follows Press the Zero Tare key without unloading the balance and then place next samples 3 Display the cumulative...

Страница 52: ...to 2 point bar graph Refer to Appendix 1 Function Setting List P 86 Bar graph display is possible only for two point setting Judgment criteria and limit value setting A limit value can be judged with...

Страница 53: ...re judged 2 Upper and lower limits are set HI OK and LO are judged Judge by 1 Judge by absolute values 2 Judge by deviation values Buzzer for LO 0 The buzzer is not beeped for rank LO 1 The buzzer is...

Страница 54: ...judge even when the balance is unstable 2 Judge only when the balance is stable 4 Set the judgment range to cover Press the Function key several times to select Press the Zero Tare key to select the j...

Страница 55: ...of using actual samples Press and hold Press and hold the Set key After is displayed release the finger 2 Weigh the lower limit sample Place the sample serving as the lower limit and then press the Fu...

Страница 56: ...2 Select a number by pressing the Zero Tare key Pressing the key toggles the number between 0 and 9 and decimal point 3 Pressing the Function key shifts the blinking digit to the left and the next lo...

Страница 57: ...finger 2 Weigh the reference weight sample Place the sample serving as the reference value and then press the Function key 3 Weigh the lower limit sample Place the sample serving as the lower limit an...

Страница 58: ...ues Press and hold Press and hold the Set key After is displayed release the finger 2 Enter the reference value Enter the reference value with the following steps 1 Press the Zero Tare key Zero blinks...

Страница 59: ...3 8 Judging Above and Below Limit Function 45 5 Weigh Place a judgment target sample on the pan The OK LO or HI result judged from the upper and lower limit values is displayed with the indication...

Страница 60: ......

Страница 61: ...Chapter 4 Adjusting the Scale Calibrate the balance using weights This chapter includes How to Calibrate Testing the Balance...

Страница 62: ...calibrate more accurately use a weight that is equivalent to the weighing capacity Please contact us if you wish inquire about or place an order for calibration weights 1 Set to the function setting m...

Страница 63: ...djustment starts 8 Span adjustment finishes After span adjustment finishes is displayed The balance goes back to normal display Pressing any other key than the Function key cancels adjustment The disp...

Страница 64: ...er is displayed release the finger 2 Set to the span test mode Press the Function key several times to select Press the Zero Tare key several times to select 3 Save the setting Press the Set key The b...

Страница 65: ...g Set the functions of the balance This chapter includes Using Two Expression Units by Switching Them Minimum Readability Setting Saving Container Tare Weight Power Setting ID No Setting Improving the...

Страница 66: ...ease the finger 2 Set unit A Press the Function key several times to select Select unit from the following numbers by pressing the Zero Tare key g kg ct carat etc When setting only the unit A press th...

Страница 67: ...es to select Select from 1 through 5 by pressing the Zero Tare key 3 Save the setting Press the Set key The balance goes back to normal display To set the minimum readability of unit B select in step...

Страница 68: ...ghing You should set the tare range regularly 1 Set to the function setting mode Refer to Section 2 5 Function Setting Basics P 16 Press and hold the Function key After is displayed release the finger...

Страница 69: ...layed release the finger 2 Set the auto power off Press the Function key several times to select Select 1 by pressing the Zero Tare key 3 Save the setting Press the Set key The balance goes back to no...

Страница 70: ...er is displayed release the finger 2 Set the auto backlight off Press the Function key several times to select Select 1 by pressing the Zero Tare key 3 Save the setting Press the Set key The balance g...

Страница 71: ...you can use are as follows Space blank 0 to 9 A to F 1 Set to the function 2 setting mode Press the Function key while pressing the Zero Tare key Release the fingers when is displayed The function 2...

Страница 72: ...Function Setting 58 5 Save the ID number Press the Set key Display changes to Pressing the Set key again returns the balance to normal display...

Страница 73: ...and wind vibration influences Wind vibration influences Stability judgment Response speed Minimum readability setting 1 1 1 2 2 2 3 3 3 4 4 4 Small Big 5 5 In each of the functions if wind and vibrati...

Страница 74: ...Function Setting 60 4 Save the setting Press the Set key The balance goes back to normal display...

Страница 75: ...Balance data can be output to a printer and be input and output to from external devices via the RS 232C interface This chapter includes Outputting to a Printer Connecting to External Devices via RS...

Страница 76: ...e operation manual of the printer Set the printing function printing control to balance control Make the baud rate and other communication settings compatible with the settings made in the balance The...

Страница 77: ...efer to Section 2 5 Function Setting Basics P 16 Press and hold the Function key After is displayed release the finger 2 Press the Function key several times to select Select 1 by pressing the Zero Ta...

Страница 78: ...established with the following specifications Disconnect the AC adapter of the balance before connecting external devices Connector pin numbers and functions The RS 232C connector equipped on the bala...

Страница 79: ...ast 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 Sample connection with a PC Use the following examples as a guide to conne...

Страница 80: ...nt 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 bit can be specified only for the extended 7 digit numer...

Страница 81: ...ng mode Refer to Section 2 5 Function Setting Basics P 16 Press and hold the Function key After is displayed release the finger 2 Press the Function key several times to select Press the Zero Tare key...

Страница 82: ...e one bit rather than two bits If you select Japanese katakana for printed language the data length is automatically set to eight bits Meanings of data P1 one character Indicates the polarity of data...

Страница 83: ...H pound O T 4FH 54H troy ounce D W 44H 57H pennyweight G R 4BH 52H Grain Bottom right grain T L 54H 4CH tael Hong Kong T L 54H 4CH tael Singapore Malaysia Top right T L 54H 4CH tael Taiwan Middle righ...

Страница 84: ...git numeric format 3000 1 g No data type specified Data stable 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0 3 0 0 0 1 SP G SP S CR LF 800 05 mom Gross Data unstable 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0 8 0 0 0 5...

Страница 85: ...thin one second after it is received For a tare range command and a span adjustment test command a response is sent after the command is completely processed If the balance receives a tare range comma...

Страница 86: ...zero point adjustment command C1 C2 Code C1 Code C2 Description Value Response T SP 54H 20H Tare range setting Zero point adjustment None A00 Successful completion E01 Command error E04 A tare range...

Страница 87: ...e when the balance is stabilized again the output includes zero even if it is not reloaded O 6 4FH 36H Output once when the balance is stable Output continuously when unstable Output is stopped after...

Страница 88: ...rror Mode 4 Display in unit B 2 Average unit weight Error Error Error Error 1 Mode 3 M3 can be specified only when the addition function is to be used If the addition function is not enabled it result...

Страница 89: ...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...

Страница 90: ......

Страница 91: ...Chapter 7 Troubleshooting This chapter describes troubleshooting including error messages and remedies This chapter includes Error Messages Troubleshooting Initializing Maintenance...

Страница 92: ...lue load exceeded the lower limit The pan or the pan base may not be properly set Check them paying attention to whether they are in contact with an external object If the error message does not disap...

Страница 93: ...inimum unit weight and the percentage weighing weight limit At addition operation you placed additional samples on twice At addition operation you unloaded some samples or you pressed the key without...

Страница 94: ...he batteries are exhausted Replace the batteries Display flickers The balance may be affected by an external influence such as wind and vibration Increase the setting values of relevant functions by r...

Страница 95: ...ign flashing When the Zero Tare key is pressed during a sampling in parts counting mode etc The balance may be affected by an external influence such as wind and vibration The balance may be affected...

Страница 96: ...dition of 1 200 bps 8 bit data 2 bit stop bit and no parity by referring to the operation manual of the external device Now output is done once after stabilization after the P key is pressed Check out...

Страница 97: ...the function initialization Select by pressing the Function key Select 1 by pressing the Zero Tare key 3 Save the setting Press the Set key The balance goes back to normal display All function setting...

Страница 98: ...e main unit use a piece of dry soft cloth If the unit is very dirty use a cloth soaked in a small quantity of neutral detergent or cleaning solvent If the unit is extremely dirty wash it with water an...

Страница 99: ...xes Appendixes The appendixes provide data including each type of data for the balance This chapter includes Function Setting List Measurement Mode List Printing in Compliance with ISO GLP GMP Specifi...

Страница 100: ...icate results Addition operation A star denotes an initial value Water Not water Only a specific gravity value Specific gravity weight actual water temperature or medium density Output disabled Auto o...

Страница 101: ...put Output continuously at all times Output continuously if stable stop output if unstable Output once when the Print key is pressed whether the balance is stable or unstable Output once when the bala...

Страница 102: ...le for continuous use Enable The power is turned off five minutes later Enabled only when the balance is powered by batteries Disable for continuous use Enable The backlight goes off if the balance is...

Страница 103: ...ately after the key is pressed Reset the display to 0 when the balance is stabilized Disabled Enabled Off On Beeps when a value is confirmed wrong operation is made etc Beeps when the key is pressed i...

Страница 104: ...only when addition function is selected 1 Parts counting Pcs 2 Cumulative count Pcs Cumulative value Displayed only when addition function is selected 3 Average unit weight Unit A Pcs Parts counting...

Страница 105: ...rinting in Compliance with ISO GLP GMP 91 Appendix 3 Printing in Compliance with ISO GLP GMP Span adjustment with external weight Span test with external weight English Japanese katakana English Japan...

Страница 106: ...t data Header Measurement data Footer The date and time shown in printing examples are printed only when the dedicated printer CSP 160 or CSP 240 is used Caution English Japanese katakana English Japa...

Страница 107: ...late function Net addition Limit 3 point scale judgment with upper and lower limit setting absolute deviation value judgment Unit converting ISO GLP GMP compliant Tare storing Minimum readability swit...

Страница 108: ...main unit CJ 220E to CJ 820E Approximately 2 kg CJ 2200E to CJ 15KE Approximately 2 5 kg Operating temperature humidity Temperature 0 to 40 C Humidity 80 rh or less No condensation allowed Options CJ...

Страница 109: ...0 00005 0 00005 0 0005 0 0005 0 0005 0 0005 7 10 19 26 70 100 190 260 ozt 0 0005 0 0005 0 0005 0 0005 0 005 0 005 0 005 0 005 140 200 390 520 1400 2000 3900 5200 dwt 0 01 0 01 0 01 0 01 0 1 0 1 0 1 0...

Страница 110: ...15 kg 0 001 75000 ct 5 520 oz 0 05 33 lb 0 005 480 ozt 0 05 9600 dwt 1 Bottom right grain 400 Hong Kong 0 05 390 Singapore Malaysia 0 05 400 Taiwan 0 05 4000 mom momme 0 5 1200 to 0 1 The view of the...

Страница 111: ...77 0 08267 1 20565 24 11306 1 mom 3 75 18 75 0 13228 0 00827 0 12057 2 41131 1 to 11 66380 58 31902 0 41143 0 02571 0 37500 7 5 unit Grain tael Hong Kong tael Singapore Malaysia tael Taiwan momme Tola...

Страница 112: ...zing 83 Interface 66 ISO GLP GMP compliant form 62 L Limit value 39 Liquid density 31 M Minimum readability 53 Momme 52 N Net 15 Net addition 36 Number of samples 21 O Operation key 5 P Pan 2 8 84 Pan...

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