Vibra AJ-CESeries Operation Manual
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Vibra AJ-CESeries Operation Manual

High-precision tuning fork electronic balance
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High-Precision Tuning Fork
AJ-CE/AJH-CE
•
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.
Electronic Balance
(2200 12K)
Operation Manual
IMPORTANT

SHINKO DENSHI CO., LTD.
310003M01
Series

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  • Page 1 310003M01 High-Precision Tuning Fork Electronic Balance AJ-CE/AJH-CE Series (2200 12K) Operation Manual 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 3 PREFACE Thank you for purchasing an AJ Series electronic balance. This is a precision instrument equipped with exacting mechanisms in a compact body. The AJ series provides enhanced functions, including a counting mode for stock control of parts, a percentage mode for comparative measurements given in percentages, and a limit function for measuring constant quantities by consecutive weighings.

  • Page 4: Table Of Contents

    CONTENTS 1. Precautions on the Use......2 9. Calibrating the Balance 9.1 Calibration of AJ-CE Series...27 2. Names of Component Parts 9.2 Calibration of AJH-CE Series ..29 2.1 Main Unit .........5 9.3 GLP-compliant print.......31 2.2 LCD Indicators and Operating Keys............6 10.

  • Page 5: Precautions On The Use

    1. Precautions on the Use • This Section "Precautions Relating to Use" sets forth precautionary notes that the user should observe in order to prevent physical injury to the user and/or damage to property. • The nature of problems that may result in the event of improper operation, and consequential effects on the quality and performance of the balance, are indicated under the two categories of "Caution"...
  • Page 6 Do not place the balance on an unstable base or use the balance in a location where it may be subjected to shock. • The loaded sample may fall off the measurement pan. Do Not Use • Accurate measurement may be rendered impossible.
  • Page 7 Avoid applying excess force or impact to the balance. • Place the sample to be measured on the balance carefully to prevent breakage or Do Not Apply malfunction. Force Do not use the balance in a location were it may be subjected to abrupt changes in ambient temperature or humidity.

  • Page 8: Names Of Component Parts

    2. Names of Component Parts 2.1 Main Unit Measurement Front View Level Liquid-crystal display (LCD) For checking See page 6. the level of the balance Turn the adjusters until the bubble rests Operation keys in the center of the See page 7. red circle.

  • Page 9: Lcd Indicators And Operating Keys

    2.2 LCD Indicators and Operating Keys 2.2.1 Symbols Displayed Display Description Grams →0← Zero point Tare being subtracted Indication of stable balance (If the light is off, the balance is unstable.) Balance powered up (Lights up when the power is turned off) or data transmitted Counting mode Percentage mode ...
  • Page 10 2.2.2 Names and Functions of Operating Keys Operating Key Function Key to turn on/off the unit power On/off key [Brief press] initiates print or output. [Brief press] saves the settings of the number of pieces Memory key or percentages (%), or the limit value when using the limit function.

  • Page 11: Basic Operations

    3. Basic Operations 3.1 Installation Positioning the measurement pan First, mount the pan base on the main unit of the balance and place the measurement pan on top of it. Securing the exact level of the balance Turn the adjusters until the bubble rests in the center of the red circle on the level.

  • Page 12: Operation Check

    Operation Check Turning on the power When the balance has the AC adapter connected, it displays [ ]. Pressing the On/Off The display section lights up, and the balance is ready for operation. Checking the display Check to see if the display has any missing indications or unlit parts.

  • Page 13: Operation For Tare Subtraction

    3.3 Operation for Tare Subtraction Place the tare (container) on the balance. As you place the tare, the balance indicates its weight.  Reset read-out indication to zero. Press the Zero/Tare key. The tare is subtracted and the  balance indicates zero. Load the sample to be weighed.
  • Page 14 Key Points of the Procedure The following applies equally to all the measurement modes for weight measurement, counting, and percentages. After the balance is switched off, there is still enough current to display [ ]. This indicates that the AC adapter is connected to an electrical outlet, but that the balance is turned off. When the balance is switched on again, [ ] will disappear.

  • Page 15: Functions

    4. Functions 4.1 Setup and Checking of Functions Invoking the function Press and hold down the Function key until the indicator  changes to “ ,” then   release the key. The function setup mode is activated, and the first item, Key released ...

  • Page 16: Description Of Functions

    4.2 Description of Functions Item Set Value Description  Disable   Bar graph display  Enable  Disable  Limit function  Enable Always judge (judges even when the balance is  Judgement unstable)  condition Judge only when the balance is stable (does not judge ...

  • Page 17: Interface Section

     3  [Pcs] Setup of units of  4  [%] measurement to  be displayed 5  Unit not set  Disable Display of the Enable (  is the auxiliary scale interval.)   auxiliary scale Note: The auxiliary-scale-interval place does not ...

  • Page 18: Switching Function For Units Of Measurement

    5. Switching Function for Units of Measurement Pressing the Function key allows the user to switch the unit of measurement to [ ], [ct], [%], and so Up to five different units can be registered for use only when the function key is properly set on a balance for which the lock switch is off.
  • Page 19 Pressing the [Set] key to restore measurement mode. Pressing the key will reset the measurement mode   Pressing the [Function] key to change the units of Press the Function key. measurement Each press of the key changes the units of measurement to be displayed, as →...

  • Page 20: Counting Pieces

    6. Counting Pieces To implement piece-counting, the specified samples are loaded on the balance, and their average unit weight (hereinafter, simply the “unit weight”) is entered and saved. The procedure for saving unit weights is called sampling. The counting procedure consists of loading articles that have already been sampled on to the balance. The number of pieces is then calculated by dividing the total weight of the loaded articles by the unit weight saved in memory.
  • Page 21 Changing the sampling number, if necessary. If samples to be counted widely deviate in weight, or a higher measure of How to change the value accuracy is desired, it is recommended  that users change the sampling number   to a larger value.

  • Page 22: Increasing The Counting Accuracy (Memory Update Method)

    6.2 Increasing the Counting Accuracy (Memory Update Method) This procedure is the same as the sampling procedure described on the previous page up, to the point at which the sampling number is changed. Loading samples Load the number of samples displayed. Count the samples precisely and load them on to the center of the ...

  • Page 23: Measuring Percentage

    7. Measuring Percentage The percentage measurement function operates by weighing an actual sample, selected as the reference, and saving its weight as the reference value and indexing it as 100%. When a measurement sample loaded on the balance is lighter or heavier than the reference, its weight is indicated as a percentage (%) value relative to the reference weight.
  • Page 24 Key Points of the Procedure While samples are being saved, the value indication disappears temporarily, and only the [M] mark flashes. If the balance is affected by wind or other vibrations during this process, the saving time may be prolonged. ...

  • Page 25: Limit Function

    8. Limit Function The limit function judges measurements according to a limit value saved in the balance.  The function shows the judgement result by displaying the [ ] mark as either HI (excessive), OK (appropriate), or LO (insufficient). This function is very useful when discriminating between conforming and nonconforming articles.
  • Page 26 Selecting a function item Press the Function key. The display changes to the next item [Limit Function].   Setting the limit function Press the Zero/Tare key to set the value on the rightmost side to [1].   Limit function operations Setting the judgement condition Press the...

  • Page 27: Setup Of Limit Values By Actual Quantity Loads

    8.2 Setup of Limit Values by Actual Quantity Loads Starting the limit function Press and hold down the key.   Release the key when [ ] is   displayed. The currently set lower-limit value flashes. Continuous pressing Key released Loading the sample for the lower-limit value Load the sample of the lower-limit value on the measurement pan.

  • Page 28: Setting Up Limit Values By Inputting Values

    8.3 Setting up Limit Values by Inputting Values Starting the limit function Press and hold down the Set key.   Release the key when [ ] is   displayed. The currently set lower-limit value flashes. Continuous pressing Key released Opening the value input screen Press the Zero/Tare...
  • Page 29 Opening the value input screen Press the Zero/Tare key. Follow the same procedure as in “Step   2.”   Setting the upper-limit value Follow the same procedure as described for the lower-limit value and  enter the upper-limit value. ...

  • Page 30: Calibrating The Balance

    9. Calibrating the Balance Since electronic balances are affected by gravity gravitational acceleration, they produce different values in various locations. Therefore, before use, balances must be calibrated at the location where they are installed. Calibration is also required after long periods without use, or if a balance begins to produce inaccurate values.
  • Page 31 Calibrating the capacity point Load the calibration weight in the center of the balance. The display flashes, indicating that capacity point calibration is in progress.   Terminating the span adjustment When the calibration of the capacity point is finished, the original measurement mode is restored.

  • Page 32: Calibration Of Ajh-Ce Series

    9.2 Calibration of AJH-CE Series Applicable models: AJH-2200CE, AJH-3200CE and AJH-4200CE Span adjustment should be performed with the balance installed perfectly level and without any load on the measurement pan. Invoke the span-adjustment function. Hold down the Function key, then release your finger when the display ...
  • Page 33 Display switches to [  ] to End of calibration of weighing capacity point indicate that adjustment of the weighing capacity point is complete.  End of span adjustment Return the calibration knob back to the [For Use] position. To do so, slowly turn the knob until the internal For Use mechanism engages with a click.

  • Page 34: Glp-Compliant Print

    9.3 GLP-compliant print At calibration, the AJH-CE Series enables printing in a format compliant with GLP. Set the function to the GLP print support ([   ]) side, then connect the balance to a printer or other equipment. When calibration is complete, the balance prints out the format illustrated below. Since only items are printed, the data should be entered manually by the person who conducted calibration.

  • Page 35: Input/Output Functions

    10. Input/output functions 10.1 Terminal Numbers and Functions Terminal Number Signal Input/output Function & remarks EXT.TARE Input External tare subtraction Output HIGH (when balance is powered-up) Input Receiving data Output Transmitting data — Signal ground Compatible plug: TCP 0556-01-0201 (Hoshiden - supplied with balance) RS232C connector (DIN 5-pin): Rear panel Tare subtraction (zero adjustment) is possible by connecting an external tare subtraction input and a signal ground, through contacts or a transistor switch.

  • Page 36: Connection Between Balances And Personal Computers

    10.2 Connection between Balances and Personal Computers Sample connection with an IBM-PC/AT compatible IBM-PC/AT compatible Balance D-SUB9P DIN5P Sample connection with PC9801 PC9801 Balance D-SUB25P DIN5P...

  • Page 37: Interface Specifications

    10.3 Interface Specifications Transmission system Serial transmission with start-stop synchronization Transmission rates 1200/2400/4800/9600 bps. Transmission codes ASCII codes (8-bit) Signal levels Compliant with EIA RS-232C +5 to +15 V HIGH level (Data logic 0) -5 to -15 V LOW level (Data logic 1) One-character bit configuration Start bit: 1 bit...

  • Page 38: Output Data

    10.4 Output Data By changing the function settings on the main unit of the balance, users can select either of the following formats: (See “4.2 Description of Functions,” on page 13.) 10.4.1 Data Format Six-digit numeric format Composed of 14 characters, including the terminators (CR = 0DH, LF = 0AH). Seven-digit numeric format Composed of 15 characters, including the terminators (CR = 0DH, LF = 0AH).
  • Page 39 10.4.3 Numeric data Six-digit numeric format: (D1–D7: seven characters) Seven-digit numeric format: (D1–D8: eight characters) Six-digit numeric format for model provided with an auxiliary scale interval: (8 characters, from D1 to D8) Seven-digit numeric format for model provided with an auxiliary scale interval: (9 characters, from D1 to D9) D1–D7 (D8) Code...

  • Page 40: Input Commands

    10.4.5 Result of judgment when operating the balance with the limit function (S1: one character) Code Description LO (LOW) OK (GOOD) HI (HIGH) (SP) No limit value specified 10.4.6 Status (S2: one character) Code Description Data stable Data unstable Data error (data other than S2 is invalid.) [], [] (SP) No status specified...
  • Page 41 Instruction for tare subtraction (zero adjustment) Code Description Value Response A00: Normal end Instruction for tare E01: Tare subtraction cannot be (SP) subtraction (zero None executed due to an error in adjustment) the weight value. Setup of output control Code Description Stop output Output continuous at all times...

  • Page 42: Operating The Balance With The Battery

    11. Operating the Balance with the Battery This function can be used only when the balance is battery-operated. 11.1 Specifications • Built-in nickel-cadmium battery • Charging time: Approximately 12 hours • Drive time: Approximately 24 continuous hours • Number of charge/discharge cycles: 300 or more 11.2 Charging Method While the balance is battery-operated, [...

  • Page 43: Troubleshooting

    12. Troubleshooting The numbers in ( ) indicate reference pages Symptom Cause Possible remediation → • The AC adapter is not connected. There is no indication Check that the AC on the display. adapter is connected (8). • The balance is subject to air currents or →...

  • Page 44: Specifications

    13. Specifications 13.1 Basic Specifications AJH- AJH- AJH- Model 2200CE 3200CE 4200CE 6200CE 8200CE 12KCE 2200CE 3200CE 4200CE Max ( ) 2200 3200 4200 6200 8200 12000 2200 3200 4200 Min ( ) e ( ) d ( ) 0.01 0.01 0.01 0.01...

  • Page 45: Capacities And Minimum Indications For Different Indication Units

    13.3 Capacities and Minimum Indications for Different Indication Units Model 2200CE 3200CE 4200CE 6200CE 8200CE 12KCE AJH- AJH- AJH- Unit_of 2200CE 3200CE 4200CE measuremant 2200 3200 4200 6200 8200 12000 0.01 0.01 0.01 0.01 11000 16000 21000 31000 41000 60000 (ct) (oz) 0.01...

  • Page 46: Conversion Table Of Units

    14. Conversion Table of Units unit gram carat ounce pound troy ounce penny weight 0.03527 0.00220 0.03215 0.64301 0.00705 0.00044 0.00643 0.12860 28.34952 141.74762 0.06250 0.91146 18.22917 453.59237 2267.96185 14.58333 291.66667 1ozt 31.10348 155.51738 1.09714 0.06857 1dwt 1.55517 7.77587 0.05486 0.00343 0.05 1tl (Hong Kong) 37.429...

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