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User Instructions for TB/TC Series Balances

Contents

Installation

1.1

Changing the voltage setting

Weighing

Keyboard functions

3.1

Using the Dual Units key

3.2

Using the Tare key

3.3

Using the Weigh/Count key

3.4

Using the Print key

Calibration procedure

4.1

Calibrating the balance

4.1.1

Unsuccessful calibration

Setup procedure

5.1

Data send

5.1.1

ConfIguring data send

5.2

Dual weight unit

5.2.1

Configuring the dual weight unit

Counting

Checkweigher

7.1

InstallatIon

7.2

Calculating tolerances

7.3

Checkweighing

7.4

Checkcountlng

7.5

General notes

Output

Suspended weighing

Cleaning

Mains fuse

Safety precautions

Содержание TB Series

Страница 1: ...76101 241 Issue 5 21 07 97 Electronic Top Pan Balances TB TC Series User Instructions ...

Страница 2: ......

Страница 3: ... Calibration procedure 8 4 1 Calibrating the balance 8 4 1 1 Unsuccessful calibration 9 5 Setup procedure 10 5 1 Data send 10 5 1 1 ConfIguring data send 10 5 2 Dual weight unit 11 5 2 1 Configuring the dual weight unit 11 6 Counting 13 7 Checkweigher 15 7 1 InstallatIon 15 7 2 Calculating tolerances 15 7 3 Checkweighing 15 7 4 Checkcountlng 17 7 5 General notes 17 8 Output 18 9 Suspended weighing...

Страница 4: ...or the classroom These user instructions describe the operation of both the two key and four key balances The features available with the four key version are clearly identified and should simply be ignored if you have purchased the two key version TC60 Two key version 6000 x 1g Four key version 6000 x 1g TC61 Two key version 600 x 0 1g Four key version 600 x 0 1g TB151 Two key version 1500 x 0 1g...

Страница 5: ...f not refer to section 1 1 5 Connect the mains lead to the balance and an AC supply 6 Turn on the mains switch which is located at the rear of the balance The readout displays a row of dashes for a short period then all eights and then zero The balance is now ready for weighing since little or no warm up time is required 1 1 Changing the voltage setting 1 Remove the mains lead from the balance 2 P...

Страница 6: ...t When the weight is stable the unit symbol appears at the right hand side of the display If you apply a load in excess of the weighing capacity the reading blanks and the top row of display segments illuminates until you remove the overload If you remove the pan the reading blanks and the bottom row of display segments illuminates ...

Страница 7: ...eries Balances 3 Keyboard functions The functions available depend on whether your balance is the two key version or the four key version Two key balance T g Dual units key Tare key Four key balance g g T Dual units key Weigh count key Print key Tare key ...

Страница 8: ...rams Any other symbol denotes a converted weight 3 2 Using the Tare key T tares off the weight of an empty container for example Place a container on the pan and press T This causes the weight display to be zeroed Any material now added to the container is displayed as a net weight When you remove the container and contents the tare weight is displayed with a negative sign The tare may be cancelle...

Страница 9: ...tch on Pressing enables you to configure the balance for either Continuous data send or Request data send see section 5 1 Normal weighing If the balance is set to Request data send pressing causes the balance to display centre bars and send the information displayed to a peripheral such as a tally roll printer or PC ...

Страница 10: ...ng the balance 1 Ensure that the pan is empty and the display shows zero 2 Place the required calibration weight centrally on the pan 3 Press and hold g g Press T until the display shows CAL and then release both keys The display shows CAL for a short while and then displays the value of the calibration weight used This signifies that calibration is complete 4 Wait until calibration is complete an...

Страница 11: ...uring the calibration process This indicates that calibration has been unsuccessful due to one of the following reasons D The calibration weight used was not one of the permitted nominal values D The calibration weight used though nominally correct was outside the permitted tolerance D The pan was not empty and the display did not show zero before you started ...

Страница 12: ...electing option P2 prints data automatically only when the weight is stable Selecting option P4 prints data automatically at any time On request The balance sends data to a peripheral such as a tally roll printer or PC when the operator presses Selecting option P1 prints data when is pressed only if the weight is stable Selecting option P3 prints data whenever is pressed 5 1 1 ConfIguring data sen...

Страница 13: ...mbols are listed below Option Unit Displayed symbol POUND Pounds Imperial Decimal lb OUNCE Ounces Imperial 0z TROY Troy ounces t0 PENNY Penny weight dt TAEL 1 Tael Taiwan t TAEL 2 Tael Hong Kong t TAEL 3 Tael Singapore t TAEL 4 Tael China t H ltr Kilogram hectolitre g h N TON Newtons N GRAIN Grains gr If a secondary unit is not required set the balance to NONE 5 2 1 Configuring the dual weight uni...

Страница 14: ... the secondary weighing unit see section 5 2 the balance calculates kilogrammes per hectolitre 1 Ensure you are in setup mode 2 Press g g to display H Itr 3 Place a 500ml volumetric container on the pan and zero the balance 4 Fill the container with the grain under test using a repeatable filling method 5 Replace the container and contents on the pan The display shows the sample weight compared wi...

Страница 15: ...s zero Or Place an empty container on the pan Press T to zero the weight display 2 Place a number of components on the balance pan These components are called the sample size The sample size can comprise 5 50 components in steps of 5 3 Press and hold until the display shows the required sample size The display shows SPLE followed by the sample sizes in steps of 5 This is the number of components y...

Страница 16: ...shows SPLE The balance recalculates the piece weight with the new weight and sample count information Take care if the step between the two samples is too large as errors may occur 6 To obtain a printed record press The following information is printed COUNT xxxx WEIGHT xxxx g PcWt x xg 7 To return to normal weighing press briefly ...

Страница 17: ...n the numbers 35 or 45 for example TC060 1 35Z 7 2 Calculating tolerances The two tolerances are called UNDER and OVER limits The UNDER limit is the lowest acceptable number The OVER limit is the highest acceptable number To enter the limits you must place components on the pan until the required value is reached Pressing T enters the value Pressing g g clears the previously entered value These va...

Страница 18: ...ows the required UNDER value 5 Press T The balance display shows the last stored OVER value and a small o to the right of the display 6 To accept the OVER value press T The balance is ready for use 7 To change the OVER value press g g The display shows zero 8 Place components on the pan until the display shows the required OVER value 9 Press T The balance is ready for use ...

Страница 19: ...ct count 5 Go to page 15 and follow the instructions for checkweighing in section 7 3 from step 2 Set the UNDER and OVER limits by count and not weight 6 With the same under and over values you can set a new piece weight by re sampling as described in steps 1 to 3 on page 13 7 5 General notes D You can use g g and if fitted when the balance is connected to the checkweigher D RS232 output is not av...

Страница 20: ...ctional RS232C The output socket is at the rear of the balance and is a Plug hole Cord Connector PCC PIN No 1 2 3 4 5 6 MAIN TX OVD RX OVD 12V CTRL 1 6 1 Output connector Further information on this output configuration can be found on the RS232 applications sheet available from Avery Berkel 9 Suspended weighing You can suspend loads beneath the balance from the suspension eye which is exposed by ...

Страница 21: ...ts should not be used 11 Mains fuse WARNING TO AVOID THE POSSIBILITY OF ELECTRIC SHOCK OR DAMAGE TO THE MACHINE ALWAYS SWITCH OFF THE MACHINE AND ISOLATE FROM THE POWER SUPPLY BEFORE CARRYING OUT ANY ROUTINE MAINTENANCE The mains input fuse is situated at the rear of the balance and is located behind a small plastic cover immediately beside the mains input socket Prise out the cover with a small s...

Страница 22: ...protected by an anti surge fuse on the balance see section 11 Disconnect the balance from the power supply before attempting to change the fuse Ensure the replacement fuse is the correct rating D Prolonged exposure to certain corrosive chemicals including some organic solvents could affect the appearance of the balance or possibly cause actual damage Contact Avery Berkel for advice D The keypad is...

Страница 23: ......

Страница 24: ...A Company The right is reserved to vary or modify any specification without prior notice Avery Berkel is a trading name of GEC Avery Limited The address of your local service branch is ...

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