A&D HR-202i User Manual

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1WMPD4000912B

Analytical Balance

HR-300i HR-202i

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© 2008 A&D Company Ltd. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, or translated into any language in any form by any means without the written permission of A&D Company Ltd.

The contents of this manual and the specifications of the instrument covered by this manual are subject to change for improvement without notice.

Windows, Word and Excel are registered trademarks of the Microsoft Corporation.

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Contents

Basic Operation

1. Introduction.........................................................................................................3

1.1. About This Manual .........................................................................................................3

1.2. Features..........................................................................................................................3

1.3. Compliance.....................................................................................................................4

2. Unpaking the Balance.........................................................................................6

2.1. Installing the Balance .....................................................................................................7

3. Precautions.........................................................................................................7

3.1. Before Use......................................................................................................................7

3.2. During Use......................................................................................................................8

3.3. After Use.........................................................................................................................9

3.4. Power Supply .................................................................................................................9

4. Display Symbols and Key Operation.................................................................10

5. Weighing Units..................................................................................................11

5.1. Units..............................................................................................................................11

5.2. Changing the Units...................................................................................................... 12

6. Weighing...........................................................................................................14

6.1. Basic Operation (Gram Mode).................................................................................... 14

6.2. Dual ange .................................................................................................................... 15

6.3. Counting Mode (PCS)................................................................................................. 16

6.4. Percent Mode (%) ....................................................................................................... 18

Adapting To The Environment

7. Response Adjustment.......................................................................................19

8. Calibration .........................................................................................................20

8.1. Calibration Group ........................................................................................................ 20

8.2. Calibration Using an External Weight......................................................................... 21

8.3. Calibration Test Using an External Weight................................................................. 22

Selecting Functions

9. Function Switch and Initialization......................................................................23

9.1. Permit or Inhibit............................................................................................................ 23

9.2. Initializing the Balance................................................................................................. 24

10. Function Table...................................................................................................25

10.1. Setting the Function Table........................................................................................... 28

10.2. Details of the Function Table....................................................................................... 28

10.3. Description of the Class "Environment, Display"........................................................ 30

10.4. Description of the Item "Data Output Mode" .............................................................. 31

10.5. Description of the Item "Data Format"........................................................................ 32

10.6. Data Format Examples............................................................................................... 34

11. ID Number and GLP Report..............................................................................36

11.1. Setting the ID Number................................................................................................. 36

11.2. GLP Report.................................................................................................................. 37

12. Underhook ........................................................................................................40

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Interface And Communication

13. Standard Input and Output Interface.................................................................41

13.1. RS-232C Interface....................................................................................................... 41

13.2. Connection to Peripheral Equipment.......................................................................... 42

13.3. Commands.................................................................................................................. 44

Maintenance

14. Maintenance .....................................................................................................50

14.1. Treatment of the Balance............................................................................................ 50

14.2. Error Codes ................................................................................................................. 50

14.3. Checking the Balance Performance and Environment.............................................. 52

14.4. Asking for Repair......................................................................................................... 52

15. Specifications....................................................................................................53

15.1. External Dimensions ................................................................................................... 54

15.2. Options and Peripheral Instruments........................................................................... 55

16. Terms/Index......................................................................................................58

16.1. Terms...........................................................................................................................58

16.2. Index ............................................................................................................................ 59

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1. Introduction

This manual describes how the balances of HR-i series work and how to get the most

out of them in terms of performance. Read this manual thoroughly before using the balance and keep it at hand for future reference.

1.1. About This Manual

This manual consists of the following five parts:

Basic operation Adapting to the environment

Selecting functions

Interface and communication ......

Maintenance

............................

........................

................................

Describes precautions, the balance's construction and basic o peration.

.........

Describes response (and stability) adjustment to adapt to the environment where there is vibration or drafts, the way to maintain weighing precision in a variation of ambient temperature, calibration and calibration test. Describes functions of the balance. Describes the serial interface used for communicating with a computer t hat requests weighing data and controls the balance, and for use with a prin ter. Describes maintenance, error codes, troubleshooting, spe cifications and options.

1.2. Features

Response adjustment adapting to drafts and/or vibration. The data adapting to GLP, GMP and ISO can be output using the RS-232C serial interface. Underhook, for measuring density and weighing magnetic materials. Multiple weighing units with most of the common units used around the world. Standard RS-232C serial interface to communicate with a computer. Windows communication

tools software (WinCT) to allow easy communication with a computer using Windows.

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1.3. Compliance

1.3.1. Compliance With FCC Rules

Please note that this equipment generates, uses and can radiate radio frequency energy.

This equipment has been tested and has been found to comply with the limits of a Class A computing device pursuant to Subpart J of Part 15 of FCC rules. These rules are designed to provide reasonable protection against interference when equipment is operated in a commercial environment. If this unit is operated in a residential area, it may cause some interference and under these circumstances the user would be required to take, at his own expense, whatever measures are necessary to eliminate the interference.

(FCC = Federal Communications Commission in the U.S.A.)

1.3.2. Compliance With EMC Directives

This device features radio interference suppression and safety regulation in

compliance with the following Council Directives Council directive 89/336/EEC EN61326 EMC directive Council directive 73/23/EEC EN60950 Safety of Information T echnology Equipment

The CE mark is an official mandatory European marking.

Please note that any electronic product must comply with local laws and regulations when sold or used anywhere outside Europe.

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2. Unpacking the Balance

Unpack the balance carefully. Keep the packing material to be used for transporting the

balance in the future. See the illustrations to confirm that everything is contained.

Bubble spirit level

Windows communication

software (WinCT)

Breeze break ring

Leveling foot

Weighing chambe

Weighing pan

Pan support

Dust plate

Floor plate

C adapter jac

Position of placing AC adapter labels

Fine range breeze break ring

This ring is an accessory for the HR-202i. Before weighing with a minimum display of

0.01 mg, install this ring in place of the "breeze break ring" to avoid errors caused by drafts.

Fine range breeze break ring

Keys

Displa

Display cove

External key jac

Serial interface (RS-232C, D-sub 9-pin)

Terminal cove

C adapter labels C adapter

Note Please confirm that the AC

adapter type is correct for your local voltage and receptacle type.

Grounding terminal

Leveling foo

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2.1. Installing the Balance

Install the balance as follows:

1 Consider section "3. Precautions " for

installing your balance. Place the balance on a solid weighing table.

2 Assemble the "Dust Plate", "Breeze Break

Ring" and "Weighing Pan" on your balance. There is a reference illustration on the previous page.

3 Adjust the level of the balance using the

leveling feet. Ground the balance chassis for discharging static electricity if you have a static problem.

4 Please confirm that the adapter type is

correct for your local voltage and power receptacle type.

Leveling foo

Bubble spirit level

5 Connect the AC adapter to the balance. 6 Calibrate the balance before use. Refer to

"8. Calibration".

Connect the

AC adapter

3. Precautions

3.1. Before Use

To ensure that you get the most from your balance, please try to follow these conditions as

closely as possible. Please confirm that the AC adapter type is correct for your local voltage and receptacle type. Ensure a stable power source when using the AC adapter. The best operating temperature is about 20°C / 68°F at about 50% Relative Humidity. The weighing room should be free of dust. The weighing table should be solid and free from vibration, drafts (such as frequently

opening doors or windows) and as level as possible. Corners of rooms are best as they are less prone to vibration. Do not install the balance near a heater or air conditioner. Do not install the balance in direct sunlight. Do not use the balance near other equipment which produces magnetic fields. Keep the balance level by using the bubble spirit level. Please warm-up the balance for at least one hour. Plug in the AC adapter as usual.

Calibrate the balance before using and after moving it to another location.

Do not place or use the balance where there is flammable or corrosive gas present.

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3.2. During Use

Note the following items to get accurate weighing data.

Discharge static electricity from the weighing material.

When a weighing sample (plastics, insulator, etc.)

Charged material

could have a static charge, the weight value is

influenced. Ground the balance, and

Eliminate the static electricity using the optional AD-1683. Try to keep the ambient humidity above 45%RH. Use a metal shield case. Wipe a charged plastic sample with a damp cloth.

This balance uses a strong magnet as part of the balance

assembly, so please use caution when weighing magnetic

materials. If there is a problem, use the underhook (on the bottom

of the balance) to suspend the material away from the influence of

the magnet.

Eliminate the temperature difference between the weighed

sample and the environment. When a sample is warmer (cooler)

than the ambient temperature, the sample will lighter (heavier)

than true mass. This error is due to the rising (falling) draft around

the sample.

Metal case

Grounding

Magnet material

Draft 20°C

40°C

Weighing pan

Make each weighing gently and quickly to avoid errors due to

changes in the environmental conditions.

Before weighing with a minimum display of 0.01 mg for the

HR-202i, the "fine range breeze break ring" can be installed in

place of the "breeze break ring" to avoid errors caused by drafts.

Do not drop things upon the weighing pan, or place a weight

beyond the range of the balance on the weighing pan.

Do not use a sharp instrument (such as a pencil or ball point

pen) to press the keys, use your finger only.

Fine range breeze

break ring

Shoc

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Press the RE-ZERO key before each weighing to prevent

possible errors. Calibrate the balance periodically so as to eliminate possible

errors. Take into consideration the affect of air buoyancy on a sample

when more accuracy is required. Avoid foreign matter (dust, liquid or metal fragments) that

could get inside the balance. Operate your balance gently. Shorten the operation time as

much as possible ( Opening and closing door, placing and

removing a sample). Use a pair of tweezers to avoid

temperature changes due to heat from inserting your hand into

the weighing chamber.

3.3. After Use

Avoid mechanical shock to your balance. Do not disassemble the balance. Contact the local A&D dealer if

your balance needs service or repair. Do not use solvents to clean the balance. For best cleaning, wipe

with a dry lint free cloth or a lint free cloth that is moistened with

warm water and a mild detergent. Avoid foreign matter (dust, liquid or metal fragments) that

could get inside the balance.

3.4. Power Supply

When the AC adapter is connected, the balance is in the standby mode if the standby

indicator is on. This is a normal state and does not harm the balance. For accurate

weighing, we recommend that the AC adapter always be connected.

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4. Display Symbols and Key Operation

Display

Processing indicator

Stabilization indicator

Standby indicator

of power supply

Key operation

Press and release the key immediately" or "Click the key"

Press and hold the key

Key

The key to turn the display ON and OFF.

When pressed and released When pressed and held

The standby indicator is displayed when the display is turned off. The weighing mode is enabled when the display is turned on. This key is available anytime. Pressing the key during operation will interrupt the operation and turn the display

OFF. In the weighing mode, the key to turn the minimum weighing value ON and OFF. The key to switch the preset weighing units stored in the function table. Refer to "5. Weighing Units".

No function.

The key to output the stable weighing data. (factory setting)

................................................................................................

The key to enter the function table mode. Refer to "10. Function Table".

The key to perform response adjustment.

The key to display other items of the calibration menu.

No function. (factory setting) By changing the function table:

Response indicator (Displayed for about 30 seconds when weighing starts.)

Units

Weighing data

or settings

........................................

"Title block" and "End block" for GLP report are output.

The key to set the display to zero.

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5. Weighing Units

5.1. Units

All weighing units and weighing modes are as follows:

A unit or mode can be selected and stored in the function table as described in "5.2. Changing

If the law in your area permits, you may use all of the units. You can disable the units that

If a weighing mode (or unit of mass) has been turned off, that mode or unit will be missing in the

Counting mode

g mg pcs % oz ozt ct m t tl GN dwt mom

the Units".

you don't regularly use. And you are able to turn them back on.

sequence. Tael has four varieties, one of which can be selected and installed at the factory.

Percent mode

To select a unit or mode for weighing, press the MODE key. For details about the units and modes, see the table below:

Name (unit, mode) Abbreviation Display unit Gram g

Milligram mg Counting mode pcs Percent mode % Ounce (Avoir) oz Troy Ounce ozt Metric Carat ct Momme mom Pennyweight dwt Grain (UK) GN Tael (HK general, Singapore) Tael (HK jewelry) Tael (Taiwan) Tael (China) Tola (India) t Messghal m

Conversion factor

1 g

0.001 g

28.349523125 g

31.1034768 g

0.2 g

3.75 g

1.55517384 g

0.06479891 g

37.7994 g

37.429 g

37.5 g

31.25 g

11.6638038 g

4.6875 g

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5.2. Changing the Units

The units or modes can be selected and stored in the function table. The sequence of

displaying these can be arranged to fit the frequency of use. The units stored are maintained in non-volatile memory, even if the AC adapter is removed.

1 Press and hold the RANGE key until ba5fnc of the

function table is displayed in the weighing mode, then release the key.

2 Press the RANGE key several times to display Unit .

3 Press the PRINT key to enter the unit selection mode.

4 Specify a unit or mode in the order to be displayed

using the following keys. RANGE key RE-ZERO key

Examples

.......

To display the units sequentially.

....

To specify a unit or mode. The stabilization indicator appears when the displayed unit or mode is specified.

Unit Display

Press and hold

Press

several times

Examples

Gram g Milligram mg Counting mode pcs Percent mode %

5 Press the PRINT key to store the units or modes.

The balance displays end and then displays the next

menu item of the function table.

6 Press the CAL key to exit the function table. Then

the balance returns to the weighing mode with the

selected unit.

Displays the units

sequentially

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5.2.1. Unit setting example

The example below sets the units in the order with g (gram) as the first unit followed by pcs

(counting mode).

1 Press and hold the RANGE key until ba5fnc of the

function table is displayed in the weighing mode, then

release the key.

2 Press the RANGE key several times to display Unit .

3 Press the PRINT key to enter the unit selection mode.

4 Press the RE-ZERO key to specify the unit of g.

The stabilization indicator appears when the

unit is specified.

5 Press the RANGE key several times to display .

6 Press the RE-ZERO key to specify the unit of pcs.

The stabilization indicator appears when the

unit is specified.

7 Press the PRINT key to store the units.

The balance displays end and then displays the next

menu item of the function table.

8 Press the CAL key to exit the function table. Then

the balance returns to the weighing mode with g, the

unit selected first.

9 Press the MODE key to switch between g and pcs

(g→pcs).

Press and hold

Press

several times

Specif

Press

several times

Specif

Store

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6. Weighing

Precautions for the weighing operation

Press the RE-ZERO key each time, before placing a sample on the weighing pan, to

prevent possible errors.

Place a sample in the center of the weighing pan gently. Temperature changes during measurement may cause a weighing error. Shorten the operation time as much as possible. ( Opening and closing door, placing and

removing a sample)

Use a pair of tweezers to avoid a temperature change due to having your hand in the

weighing chamber.

Material with an electrostatic charge or that is magnetic may cause a weighing error. Do not press keys with a sharp instrument (such as a pencil or ball point pen). Do not drop things on the pan, or place a weight on the pan that is beyond the weighing

range of the balance.

Calibrate your balance periodically to maintain weighing accuracy. Refer to section "8.

Calibration".

Keep the area clean and dry. Consider section "3. Precautions" for the weighing operation. For precision weighing, keep the AC adapter connected to the balance.

6.1. Basic Operation (Gram Mode)

Read section "4. Display symbols and Key operation" before operation.

Note When turning on the balance with a container placed on the

pan, the tare function sets the display to zero automatically.

1 Turn on the balance using the 2 Select a preset unit (g or mg) using the MODE key.

3 Place the container on the weighing pan, if necessary. Press the RE-ZERO key to cancel the weight (tare).

Then zero is displayed.

Container : A vessel placed on the pan, but not to be

included in the weighing data.

4 Place a sample on the pan or in the container.

ON:OFF key.

Container

Weighing pan

Stabilization

indicator Sample

5 Wait for the stab ilization indicator to be displayed,

then read the value.

6 Remove the sample and container from the pan.

Remove the sample

and container

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6.2. Dual Range

HR-202i

Weighing range Available minimum display Precision range 0 g to 51 g 0.01 mg 0.1 mg 1 mg Standard range 51 g to 220 g 0.1 mg 1 mg

The HR-202i is equipped with two

ranges, "precision range" and

Precision Range

Turn on the balance

"standard range".

When weighing is started by

pressing the ON:OFF key, the

Minimum display

0.1 mg

minimum display will be 0.1 mg.

Pressing the RANGE key will

Minimum display

0.01 mg

switch these ranges alternately.

Minimum display

1 mg

When a sample is weighed using the

precision range with a minimum display of

0.01 mg and the weight value exceeds the precision range value, the minimum display changes to 0.1 mg of the standard range. When removing the sample, the minimum display changes to 0.01 mg of the precision range automatically.

When a tare weight (container mass value)

exceeds the precision range value, even if the sample is within the precision range value, 0.01 mg of the precision range can not be selected for the minimum display. In order to select 0.01 mg of the precision range, remove the tare weight and press the RE-ZERO key to cancel it.

When a minimum display of 0.1 mg or 1 mg is

selected by the RANGE key, the minimum display is maintained even if the range is changed during weighing.

Standard Range

Turn on the balance

Minimum display

0.1 mg

Minimum display

1 mg

Minimum display

0.01 mg

Minimum display

0.1 mg

Minimum display

0.01 mg

Minimum display

0.01 mg

Minimum display

0.1 mg

Zero display after

placing a container

Minimum display

0.1 mg

Zero display after

removing the container

Minimum display

0.01 mg

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6.3. Counting Mode (PCS)

This is the mode to determine the number of objects in a sample based on the standard

sample unit mass. The unit mass means an average mass of the samples. The smaller the variation in the samples, the more accurate the count will be. The balance is equipped with the Automatic Counting Accu racy Improvement (ACAI) function to improve the counting accuracy.

Notes

Use samples with a unit mass of 1 mg or more for counting. If the sample unit mass variable is too large, it may cause a counting error. To improve the counting performance, use the ACAI function frequently or divide the

samples into several groups and count each group.

Selecting the counting mode

1 Press the MODE key to select the unit pcs (counting mode).

Storing a sample unit mass (Weighing input mode)

2 Press the RANGE key to enter the sample unit mass storing mode. 3 Select the number of samples using the RANGE key.

It may be set to 10, 25, 50 or 100.

Advise

A greater number of samples will yield more

accurate counting result.

4 Place a container on the weighing pan, if necessary.

Press the RE-ZERO key to cancel the weight (tare). The number specified in step 3 appears.

Example

5 Place the number of samples specified on the pan.

In this example, 25 pieces.

6 Wait for the stabilization indicator to be displayed .

Press the mass. Then the balance displays 25 pcs and is set to count samples with this unit mass. (The sample unit mass is stored in non-volatile memory, and is maintained even if the AC adapter is removed.) To improve the accuracy of the unit mass, proceed to step 8.

Notes

If the balance judges that the mass of the samples is too

light ( it displays lo .

If the balance judges that the mass of the samples is too light

to acquire accurate weighing, it displays an error requiring the addition of more samples to the specified number. Example: 25 samples and press the PRINT key. When the unit mass is stored correctly, the balance proceeds to the counting mode.

: 25 0 pcs is displayed if 25 is selected in step 3.

PRINT key to calculate and store the unit

under 0.1 mg

150 - pcs appears, requiring 25 more samples. Add

) and can not be stored as the unit mass,

Weighing pan

Container

25 samples

Place samples

Counting operation

7 Place the samples to be counted on the pan. 16

Counting result

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Counting mode using the ACAI function

The ACAI is a function that improves the accuracy of the unit mass automatically by

increasing the number of samples as the counting process proceeds. ACAI: Automatic Counting Accuracy Improvement

8 If a few more samples are added, the

processing indicator turns on. To prevent an error, add three or more. The processing indicator does not turn on if overloaded. Add the same number of samples as displayed.

9 The balance re-calculates the unit mass while

the processing indicator is blinking. Do not touch the balance or samples on the pan until the processing indicator turns off.

10 Counting accuracy is improved when the

processing indicator turns off.

Each time the above operation is performed,

a more accurate unit mass will be obtained. There is no definite upper limit to the ACAI range for the number of samples exceeding

100. Try to add the same number of samples as displayed.

11 Remove all the samples used in ACAI and

proceed with the counting operation using the improved unit mass.

Note ACAI will not function on the unit mass entered using the keys, or digital input

mode.

The mark turns on and

off during calculation.

The mark turns off after

the unit mass is improved.

Add a few

more samples.

The mark turns on

at proper range.

From step 7

Repea

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6.4. Percent Mode (%)

The percent mode displays the weight value in percentage compared to a 100% reference

mass and is used for target weighing or checking the sample variance.

Selecting the percent mode

1 Press the MODE key to select the unit % (Percent mode).

If the percent mode can not be selected, refer to "5. Weighing Units".

Storing the 100% reference mass

2 Press the RANGE key to enter the 100% reference mass

storing mode.

Even in the storing mode, pressing the MODE key will

switch to the next mode.

3 Place a container on the weighing pan, if necessary. Press

the RE-ZERO key to cancel the weight (tare). The balance displays 100 0 %.

4 Place the sample to be set as the 100% reference mass on

the pan or in the container.

5 Press the PRINT key to store the reference mass. The

balance displays 100.00 %. (The decimal point position depends on the reference value. The reference mass is stored in non-volatile memory, and is maintained even if the AC adapter is removed.)

Note

The decimal point position depends on the 100% reference mass.

100% mass Minimum display

0.0100g to 0.0999g 1%

0.1000g to 0.9999g 0.1%

1.0000g to weighing capacity 0.01%

If the balance judges that the mass of the sample is too light

(

under 0.01g

A 100% reference mass can be stored in the non-volatile

memory and is maintained even if the AC adapter is removed.

6 Remove the sample.

) to be used as a reference, it displays lo .

Place sample

Pan

Container

100% mass

Reading the percentage

7 Place a sample to be compared to the reference mass on

the pan. The displayed percentage is based on the 100% reference mass.

Percentage

Page 21

7. Response Adjustment

This function adjusts the response of the balance and reduces the influence of drafts and/or

vibration at the place where the balance is installed. The function has three stages as follows :

Indicator Parameter Response Stability FAST Cond 0 MID. Cond 1 SLOW Cond 2

1 Press and hold the MODE key until RESPONSE is

displayed, then release the key. Press the MODE key again quickly.

2 Select a stage of the response adjustment using

the MODE key. Either FAST , MID. or SLOW can be selected.

3 The balance automatically returns to the weighing

mode and displays the updated response indicator for about thirty seconds.

Advise

If the automatic response adjustment is not helpful, specify a parameter for "Condition (Cond) "

of "Environment, Display (ba5fnc)" with key operation.

Fast response, Sensitive value

Slow response, Stable value

Select a parameter

Press and hold

Release Press again immediately

Release and wai

Response indicator

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8. Calibration

8.1. Calibration Group

Calibration

Calibration using a weight that you have

Calibration test

Calibration test using a target mass

Caution

Do not allow vibration or drafts to affect the balance during calibration. Calibration test does not perform calibration. To output the data for GLP using the RS-232C interface, set "GLP output (info)" of "Data

output (dout)". Refer to "10. Function Table".

Calibration test is available only when "GLP output (info)" of "Data output (dout)" is set .

Caution on using an external weight

The accuracy of an external weight can influence the accuracy of weighing. Select a mass for calibration and calibration test from the following table.

Model Usable calibration mass Adjustable range HR-300i 100g, 200g*, 300g -15.0 mg to +15.9 mg HR-202i 20g, 50g, 100g, 200g* -15.00 mg to +15.99 mg

The calibration mass in bold type: factory setting The calibration mass value can be adjusted within the range above.

Display

This indicator means "In process of measuring calibration data".

Do not allow vibration or drafts to affect the balance while the indicator is displayed.

Page 23

8.2. Calibration Using an External Weight

This function calibrates the balance using an external weight. 1 Connect the AC adapter and warm up the balance for at

least one hour with nothing on the weighing pan.

2 Press and hold the CAL key until Calout is

displayed, then release the key.

3 The balance displays Cal 0 . If you want to change the calibration mass, press

the RANGE key and proceed to step 4.

If you use the calibration mass value stored in the

balance, proceed to step 5.

4 Specify the calibration mass value as follows:

RANGE key RE-ZERO (+)key

MODE (-)ke

PRINT key

........

...

..........

The key to switch blinking figures. The keys to select the calibration mass or adjust the mass value. Refer to page 20. The key to store the new mass value. Even if the AC adapter is removed, the data is maintained in non-volatile memory.

CAL key

.............

The key to cancel the operation and return to Cal 0 .

5 Confirm that there is nothing on the pan and press the

PRINT key. The balance measures the zero point.

Do not allow vibration or drafts to affect the balance.

The balance displays the calibration mass value.

6 Place the displayed calibration weight on the pan and press

the PRINT key. The balance measures the calibration mass. Do not allow vibration or drafts to affect the balance.

7 The balance displays end . Remove the weight from the pan. 8 If the "GLP output (info)" of the function table is set to 1 or 2,

the balance displays glp and outputs "Calibration Report".

Refer to "11.2. GLP Report" for details. 9 The balance will automatically return to the weighing mode. 10 Place the calibration weight on the pan and confirm that

the value displayed is correct. If it is not within the range,

GLP output

check the ambient conditions such as breeze and vibration

also check the weighing pan. Then, repeat steps 1 to 10.

Selec

Specify

Example:

New weight

100.0012 g

Place weight

Remove

Press and hold

Release

Page 24

8.3. Calibration Test Using an External Weight

This function tests the weighing accuracy using an external weight. Calibration test report can be output with "GLP output (info)"

(Calibration test does not perform calibration). 1 Connect the AC adapter and warm up the balance for

at least one hour with nothing on the weighing pan.

2 Press and hold the CAL key until CC out is displayed,

then release the key.

3 The balance displays CC 0 . If the target mass is changed, press the RAN GE key and

proceed to step 4. A list of usable weights is on page 20.

If the current target mass value is used, proceed to step 5.

4 Specify the target mass value as follows:

RANGE key

RE-ZERO (+)key

MODE (-)ke

PRINT key

CAL key

5 Conf irm that there is not hing on the pan and pr ess the PR INT1

key. The balance measures the zero point and displays the

measured value. Do not allow vibration or drafts to affect the

balance. The balance displays the target mass value.

6 Place the displayed target mass on the pan and press the

1PRINT

displays the measured value. Do not allow vibration or drafts

to affect the balance.

7 The balance displays end .

Remove the weight from the pan.

8 The balance displays glp and outputs "calibration test

report. Refer to "11.2. GLP Report" of the function table for

details. 9 The balance will automatically return to the weighing mode.

............

The key to switch blinking figures.

.......

The keys to select the target mass or adjust the mass value. Refer to page

20. Even if the AC adapter is removed, the data is maintained in non-volatile memory.

..............

.................

The key to store the new mass value. The key to cancel the operation and return to CC 0 .

key. The balance measures the target mass and

GLP output

Press and hold

Release

Select

Specify

Example:

New weight

100.0012 g

Place weight

Remove

Page 25

9. Function Switch and Initialization

9.1. Permit or Inhibit

The balance stores parameters that must not be changed unintentionally (Example:

Calibration data for accurate weighing, Data for adapting to the operating environment,

Control data for the RS-232C interface). There are two switches for the purpose of

protecting parameters. Each switch can select either "permit" or "inhibit". "Inhibit" protects

parameters against unintentional operations.

1 Press the ON:OFF key to turn off the display.

2 While pressing and holding the PRINT key and the RANGE key,

press the ON:OFF key to display p5 .

3 Press the PRINT key. Then the balance displays the function switches.

4 Specify the switches using the following keys.

RANGE key RE-ZERO key

0 To inhibit changes. (Can not be used.) 1 To permit changes. (Can be used.)

PRINT key CAL key

...........

.........

.............

.................

Function table

0 To inhibit changes to the function table. 1 To permit changes to the function table.

Calibration using the external weight

0 To inhibit calibration using the external weight. 1 To permit calibration using the external weight.

The key to select blinking digit. The key to change the parameter for the selected switch.

The key to store the new parameter and return to the weighing mode. The key to cancel the current operation and return to the weighing mode.

Page 26

9.2. Initializing the Balance

This function returns the following parameters to factory settings.

Calibration data Function table The sample unit mass value (counting mode),

100% reference mass value (percent mode) External calibration weight and target mass value Function switch settings ("9.1. Permit or Inhibit")

Note Be sure to calibrate the balance after initialization.

1 Press the ON:OFF key to turn off the display.

2 While pressing and holding the PRINT key and the

RANGE key, press the ON:OFF key to display p5 .

3 Press the RANGE key to display Clr .

4 Press the PRINT key.

To cancel this operation, press the CAL key.

5 Press the RE-ZERO key to display Clr go .

6 Press the PRINT key to initialize the balance.

The balance will automatically return to the weighing mode.

Press and hold Press

Page 27

10. Function Table

The function table reads or rewrites the param eters that are stored in the balance. These

parameters are maintained in non-volatile memory, even if the AC adapter is removed.

The function table menu consists of two layers. The first layer is the "Class" and the second

layer is the "Item".

10.1. Setting the Function Table

Display symbol and keys

The symbol "〇" shows effective parameter.

When pressing and holding the key in the weighing mode, the mode enters the function table mode. The key to select the class or item in the function table mode.

The key to change the parameter. When displaying a class, the key enters an item in the class.

When displaying an item, the key stores the new parameter and displays the next class.

When displaying an item, the key cancels the new parameter and displays the next class. When displaying a class, the key exits the function table mode and returns to the weighing mode.

Page 28

Setting procedure

1 Press and hold the RANGE key until ba5fnc of the function table is displayed in the

weighing mode, then release the key 2 Press the RANGE key to select a class. 3 Press the PRINT key to enter the class 4 Press the RANGE key to select an item. 5 Press the RE-ZERO key to select a parameter for the selected item. 6 If storing parameters of the selected class, press the PRINT key.

Then the next class is displayed.

If canceling the current operation, press the CAL key. Then the next class is displayed. 7 When specifying parameters for another class, proceed to step 2.

When finishing the setting, press the CAL key to return to the weighing mode.

Page 29

Setting example

This example sets "CR" for "Terminator" and "Output" for "AK, Error code".

Weighing mode

Class

Start

Step 1 Press and hold

Step 2

Press several times

Step 3

Item

Ste Press several times

Step 6

Step 4

Ste

Step 5

Item " Terminator "

Paramete "CR"

Paramete "Output"

Step 8

Finish

Weighing mode

Item " AK, Error code "

Step 7

Page 30

10.2. Details of the Function Table

Class Item and Parameter Description

Cond

Condition

5t-b

Stability band width

ba5fnc

Environment Display

trc

Zero tracking

5pd

Display refresh rate

pnt

Decimal point

p-on

Auto display-ON

prt

Data output mode

ap-p

Auto print polarity

ap-b

dout

Auto print difference

Data output

5-id

ID number output

pU5e

Data output pause

at-f

Auto feed

info

GLP output

ar-d

Zero after ou tput

Fast response, sensitive value

Slow response, stable value

Stable range is ±1 digit

Stable range is ±3 digits

OFF

Normal

Strong

Very strong

5 times/second

10 times/second

Point (.)

Comma (,)

OFF

Key mode Auto print mode A

(Reference = zero) Auto print mode B

(Reference = last stabl e value)

Stream mode

Plus only

Minus only

Both

10 digits

100 digits

1000 digits No output

Output

No pause

Pause (1.6 seconds)

Not used

Used

No output

AD-8121 format

General data format

Not used

Used

Factory settings.

#1 The unit of minimum display is digit. Example: If 1 mg display is selected using the

key for the HR-300i, 1 mg is one digit.

#2 Usable minimum display of the balance is one digit. Example: In gram display, one digit is

0.1 mg for the HR-300i , and 0.01 mg for the HR-202i.

FAST

MID.

SLOW

Can be changed by response adjustment.

The stabilization indicator illuminates when the display fluctuation is within the range per second.

Keeps zero display by tracking zero drift.

Period to refresh the display

Decimal point format

Turns on the weighing mode display when the AC adapter is connected.

Accepts the PRINT key only when the display is stable.

Outputs data when the display is stable and conditions of and the reference value are met.

Outputs data continuously. Displayed value>Reference Displayed value<Reference Regardless of displayed value

Difference between reference value and displayed value

Selects whether or not t he ID number is output.

Selects the data output interval.

Selects whether or not automatic feed is performed.

Selects GLP output method. For how to set time and date to be added, refer to peripheral manual.

Adjusts zero automatically after data is output

ap-p, ap-b

RANGE

Page 31

Class Item and Parameter Description

600 bps

1200 bps

2400 bps

4800 bps

9600 bps

19200 bps

7 bits, even

7 bits, odd

8 bits, none

CR LF

A&D standard format

DP format

KF format

MT format

NU format

CSV format

No limit

1 second

No output

Output

Not used

Used Refer to "5. Weighing Units".

CR: ASCII code 0Dh LF: ASCII code 0Ah

Refer to "10.5. Description of Item "Data Format".

Selects the wait time to receive a command.

AK: ASCII code 06h

Controls CTS and RTS.

5if

Serial interface

Unit

bp5

Baud rate

btpr

Data bit, parity bit

Crlf

Terminator

type

Data format

t-Up

Timeout

erCd

AK, Error code

Ct5

CTS, RTS control

Unit

Refer to "11. ID Number And GLP Report".

ID number setting

Factory settings. Digit is a unit of minimum weighing value.

Caution The balance may not transmit the data completely at the specified re fresh rate, depending

on the baud rate or data added to the weighing data such as ID number. .

Page 32

10.3. Description of the Class "Environment, Display"

Condition ( Cond )

Cond 0 This parameter is for sensitive response to the fluctuation of a mass value. Used

for powder target weighing, weighing a very light sample or when quick response

Cond 2 This parameter is for stable weighing with slow response. Used to prevent a mass

weighing is required. After setting, the balance displays FAST.

value from drifting due to vibration or drafts. After setting, the balance displays

SLOW.

Stability band width ( 5t-b )

This item controls the width to regard a mass value as a stable value. When the fluctuation

per second is less than the parameter, the balance displays the stabilization indicator and outputs the data. The parameter influences the "Auto print mode"

5t-b 0 This parameter is used for sensitive response of the stabilization indicator. Used

5t-b 2 This parameter ignores slight fluctuations of a mass value. Used to prevent a

for exact weighing.

mass value from drifting due to vibration or drafts.

Zero tracking ( trc )

This function tracks zero point drift caused by changes in the environment and stabilizes the

zero point. When the weighing data is only a few digits, turn the function off for accurate

weighing. trc 0 The tracking function is not used. Used for weighing a very light sample. trc 1 The normal tracking function is used. trc 2 The strong tracking function is used. trc 3 The very strong tracking function is used. Used for stable zero display.

Display refresh rate ( 5pd )

The period to refresh the display. This parameter influences "Baud rate", "Data output

pause" and "Stream mode".

Decimal point ( pnt )

The decimal point format can be selected.

Auto display-ON ( p-on )

When the AC adapter is plugged in, the display is automatically turned on without the

ON:OFF

an automated system. one hour warm up is necessary for accurate weighing.

key operation, to display the weighing mode. Used when the balance is built into

Page 33

10.4. Description of the Item "Data Output Mode"

The parameter setting of "Data output mode (prt)" applies to the performance when the

data is transmitted using the RS-232C interface.

Key mode

When the PRINT key is pressed with the stabilization indictor turned on, the balance

outputs the weighing data and the display blinks one time. Required setting dout prt 0 Key mode

Auto print modes A and B

When the displayed value is stable and the conditions of "Auto print polarity", "Auto print

difference" and reference value are met, the balance outputs the weighing data. When the PRINT key is pressed with the stabilization indictor turned on, the balance

outputs the data and the display blinks one time.

Auto print modes A

Example For weighing each time a sample is placed and removed, with "ar-d"

set to "1" (to adjust zero after the da ta is output). Required setting dout prt 1 Auto print mode A (reference = zero) dout ap-p Auto print polarity dout ap-b Auto print difference dout ar-d 1 Zero after output

Auto print modes B

Example For weighing while a sample is added. Required setting dout prt 2 Auto print mode B (reference = last stable value) dout ap-p Auto print polarity dout ap-b Auto print difference

Stream mode

The balance outputs the weighing data continuously regardless of the display condition.

When the display refresh rate is set to 5 times/second (

to the same 5 times/second. The display does not blink in this mode. Example For monitoring data on a computer. Required setting dout prt 3 Stream mode ba5fnc 5pd Display refresh rate 5if bp5 Baud rate

Caution The balance may not transmit the data completely at the specified refresh rate,

depending on the baud rate or data added to the weighing data such as ID number. .

5pd 0

), the data output rate is also set

Page 34

10.5. Description of the Item "Data Format"

A&D standard format 5if type 0

This format is used when the peripheral equipment can receive the A&D format.

If an AD-8121B is used, set the printer to MODE 1 or 2.

This format consists of fifteen characters excluding the terminator. A header of two characters indicates the balance condition. The polarity sign is placed before the data with the leading zeros. If the data is zero, the plus

sign is applied.

The unit, consisting of three characters, follows the data.

Header Data Unit Terminator

St able header St able header of counting mode Unstable header Overload header

DP (Dump print) format 5if type 1

This format is used when the peripheral equipment can not receive the A&D format.

If an AD-8121B is used, set the printer to MODE 3.

This format consists of sixteen characters excluding the terminator. A header of two characters indicates the balance condition. No overload header is used. The polarity sign is placed before the data, with spaces in place of leading zeros, if the data

is not zero or overloaded.

The unit, consisting of three characters, follows the data.

Header Data Unit Terminator

St able header St able header of counting mode Unstable header

KF format 5if type 2

This is the Karl-Fischer moisture meter format and is used when the peripheral equipment

can only communicate using this format.

This format consists of fourteen characters excluding the terminator. This format has no header characters. The polarity sign is placed before the data, with spaces in place of leading zeros, if the data

is not zero or overloaded.

This format outputs the unit only for a stable value.

Data Unit Terminator

St able value Unstable value

Page 35

MT format 5if type 3

A header of two characters indicates the balance condition. The polarity sign is used only for negative data. The weighing data uses spaces in place of the leading zeros. The character length of this format changes dependent upon the unit

Header Data Unit Terminator

St able header Unstable header Overload header

NU (numerical) format 5if type 4

This format outputs only numerical data.

This format consists of ten characters excluding the terminator. The polarity sign is placed before the data with the leading zeros. If the data is zero, the plus

sign is used.

Data Terminator

CSV format 5if type 5

This format separates the data of A&D standard format and the unit by a comma ( , ). This format outputs the unit even when the data is overloaded. When a comma ( , ) is selected for the decimal point, the separators are set to semicolon ( ; ). When the ID number and data number are added at " Data output (dout)" of the function

table, outputs ID number, data number and weighing data in this order and separates each

item by a comma and treats all the items as one group of data.

ID number Weighing data

ID number dout 5-id 1

The number to identify a specific balance.

This format consists of eight characters excluding the terminator.

Page 36

10.6. Data Format Examples

Stable

Unstable

Overload

Positive error

Overload

Negative error

Space, ASCII 20h Carriage Return, ASCII 0Dh Line Feed, ASCII 0Ah

Page 37

Units

A&D D.P. KF MT g

mg Counting mode Percent mode Ounce ( Troy Ounce Metric Carat Momme Pennyweight Grain Tael ( Tael ( Tael ( Tael ( Tola ( Messghal

Avoir

HK general, Singapore HK, jewelry Taiwan

)

China

)

India

)

Space, ASCII 20h

Page 38

11. ID Number and GLP Report

The ID number is used to identify the balance when Good Laboratory Practice (GLP) is used. The ID number is maintained in non-volatile memory even if the AC adapter is removed. The GLP output format is selected at "GLP output (info)" of the function table and can be

output to a personal computer or printer using the RS-232C serial interface.

The GLP output format includes the balance manufacturer, model, serial number, ID

number, date column, time column and a space for signature for the weighing data, the

weight used and results for calibration or calibration test data. When connecting the

AD-8121B printer, the date and time can be printed using the clock function of the

AD-8121B.

The balance can output the following reports for GLP.

"Calibration report" of the calibration, using an external weight. "Calibration test report" of the calibration test, using an external weight. "Title block" and "End block" for the weighing data.

11.1. Setting the ID Number

1 Press and hold the RANGE key until ba5fnc of the function table is displayed, then

release the key.

2 Press the RANGE key several times to display id .

3 Press the PRINT key. Set the ID number using the following keys. RE-ZERO key

RANGE key PRINT key CAL key

4 With ba5fnc displayed, press the CAL key to return to the weighing mode.

.....

........

.........

.............

The key to set the character of the digit selected. Refer to the display character set shown below. The key to select the digit to change the value. The key to store the new ID number and display ba5fnc . The key to cancel the new ID number and display ba5fnc .

Page 39

11.2. GLP Report

Set the following parameters to output the report.

Refer to "13.2. Connection to peripheral equipment", for connection to an AD-8121B. To print the report, set the "GLP output (info)" parameter to "1" and use MODE 3 of the

AD-8121B. If MODE1 is used, select temporary dump print mode by pressing the STAT.

key of the AD-8121B.

To output the report to a personal computer using the RS-232C interface, set the "GLP

output (info)" parameter to "2".

If the time and date are not correct, adjust the settings of the AD-8121B.

Calibration report using an external weight

Key operation

1 Press and hold the CAL key to display Cal out and release the key. 2 Cal 0 is displayed. 3 When updating the calibration mass value, press the RANGE key and proceed to step 4.

When using the preset calibration mass value, proceed to step 5. 4 Specify calibration mass value using the following keys. RANGE key

RE-ZERO (+)key MODE (-)key PRINT key

5 When pressing the RE-ZERO key, the zero point is measured and the weight value is

displayed for a few seconds. 6 Plac e the displayed mass on the pan. Press the PR INT key to measure the mass and the

weight value is displayed for a few seconds. 7 If GLP output is used, glp is displayed and the calibration report is output. 8 The balance returns to the weighing mode after this calibration.

Setting of "info 1" Setting of "info 2" AD-8121 printer format General format

........

The key to select the blinking figure

The key to increase the value of the blinking figure.

........

The key to decrease the value of the blinking figure.

.........

The key to store the new value.

-----------A-&-D

MODEL----HR-300i S/N-----01234567 ID------LAB-0123 DATE--2004/09/30 TIME----12:34:56 CALIBRATED(EXT.) CAL.WEIGHT

----+200.0000--g

SIGNATURE

---------------

Manufacturer

Model

Serial number

ID number

Date Time

Calibration type

Calibration weight

Signature

The space

to fill date in.

The space

to fill time in.

Space, ASCII 20h

<TERM>

Terminator, CR , LF or CR CR Carriage return, ASCII 0Dh LF Line feed, ASCII 0Ah

Page 40

Calibration test report using an external weight

Note Calibration test does not perform calibration. Key operation

1 Press and hold the CAL key to display CC out and release the key. 2 Cal 0 is displayed. 3 When updating the target value, press the RANGE key and proceed to step 4.

When using preset target value, proceed to step 5. 4 Specify calibration mass value using the following keys. RANGE key

RE-ZERO (+)key MODE (-)key PRINT key

5 When pressing the RE-ZERO key, the zero point is measured and the weight value is

displayed for a few seconds. 6 Plac e the displayed mass on the pan. Press the PR INT key to measure the mass and the

weight value is displayed for a few seconds. 7 If GLP output is used, glp is displayed and the calibration test report is output. 8 The balance returns to the weighing mode after this test.

Setting of "info 1" Setting of "info 2" AD-8121 printer format General format

........

The key to select the blinking figure

The key to increase the value of the blinking figure.

........

The key to decrease the value of the blinking figure.

.........

The key to store the new value.

-----------A-&-D

MODEL----HR-300i

S/N-----01234567

ID------LAB-0123

DATE--2004/09/30

TIME----12:34:56

CAL.TEST(EXT.)

ACTUAL

-------0.0000--g

----+200.0002--g

TARGET

----+200.0000--g

SIGNATURE

---------------

Manufacturer

Model

Serial number

ID number

Calibration test type

Zero point value

Target weight value

Target weight

Signature

Space, ASCII 20h

<TERM>

Terminator, CR , LF or CR CR Carriage return, ASCII 0Dh LF Line feed, ASCII 0Ah

Date Time

The space

to fill date in.

The space

to fill time in.

Page 41

Title block and end block

When mass values are recorded as GLP data, a "Title block" is inserted at the beginning

and an "End block" is inserted at the end of a group of mass values in the GLP report.

Notes

To output the report to an AD-8121B , use MODE 3 of the AD-8121B. If MODE1 is used,

select temporary dump print mode by pressing the STAT. key of the AD-8121B.

If the data memory function is used (except data 0), the "Title block" and "End block" can not

be output.

Key operation

1 With the weighing data displayed, press and hold the PRINT key, then release the key.

5tart is displayed. The "Title block" is output.

2 The weighing data is output according to the parameter setting of the data output mode

(prt) of the function table.

3 Press and hold the PRINT key until recend is displayed, then release the key.

The "End block" is output.

Setting of "info 1" Setting of "info 2" AD-8121 printer format General format

-----------A-&-D

MODEL----HR-300i S/N-----01234567 ID------LAB-0123 DATE--2004/09/30 START TIME----12:34:56

WT--+123.4567--g WT--+123.4612--g WT--+123.4623--g WT--+123.4634--g WT--+123.4511--g WT--+123.4534--g WT--+123.4712--g WT--+123.4645--g

END TIME----12:40:15 SIGNATURE

---------------

Space, ASCII 20h

<TERM>

Terminator, CR , LF or CR CR Carriage return, ASCII 0Dh LF Line feed, ASCII 0Ah

Title block

Manufacturer

Model

Serial number

ID number

Date Time

Weighing data

Time

Signature

End block

The space

to fill date in.

The space

to fill start time in.

The space

to fill end time in.

Page 42

12. Underhook

The underhook can be used for magnetic materials or density measurement. The built-in

underhook is revealed by removing the cap on the bottom of the balance. Use the underhook as shown at the lower right.

Caution

Do not apply excessive force to the underhook. When not in use, attach the cap to prevent dust

from getting into the balance. Do not push the underhook upward When turning the balance over, the weighing

pan, pan support, breeze break ring and dust

plate will fall off. Remove them first. When the cap is removed, a weighing error may

occur, because of drafts entering into the

internal portion of the balance. Arrange the room

condition.

1 Remove the cap on the bottom of the balance.

2 Hang the weighing pan on the underhook.

Place the balance on the solid table.

Solid table

Underhook

Cap

Bottom

Weighing pan

Page 43

13. Standard Input and Output Interface

13.1. RS-232C Interface

The balance is a DCE device. Connect the balance to a personal computer (DTE) using a

straight-through cable.

Transmission system : EIA RS-232C Transmission form : Asynchronous, bi-directional, half duplex Transmission rate : 10 times/second or 5 times/second (same as data refresh rate) Data format : Baud rate : 600, 1200, 2400, 4800, 9600, 19200 bps Data bits : 7 or 8 bits Parity : Even, Odd (Data bits 7 bits) None (Data bits 8 bits) Stop bit : 1 bit Code : ASCII

Startbi

Data bits

Stop bit

Parity bit

RS-232C

-5V to -15V +5V to +15V

D-Sub 25-pin assignments

Pin No. Signal name Direction Description

1 2 TXD Output Transmit data 3 RXD Input Receive data 4 5 SG - Signal ground 6 DSR Output Data set ready 7 RTS Input Request to send 8 CTS Output Clear to send 9

Signal names of the balance side are the same as

the DTE side with TXD and RXD reversed.

Balance side

DCE

+5V

3.3

TXD 2 RXD 3 RTS 7 CTS 8 DSR 6 SG 5

No connection

#4-40 UNC

Computer side

DTE

RXD TXD RTS CTS DSR

Inside of balance

Terminal example

Page 44

13.2. Connection to Peripheral Equipment

Connection to an AD-8121B printer

Preset the following parameters to use the AD-8121B printer.

Class Item and Parameter

prt

Data output mode

ap-p

Auto print polarity

ap-b

dout

Data output

5if

Serial interface

#1 Set parameters when auto print mode A or B (prt 1 or 2) is selected.

#2 Set 1 when multiple lines are printed. Example: When adding ID number, set 1.

Notes

Refer to "11.2. GLP Report" for print samples. Settings of AD-8121B

MODE 1 ..Print at receiving data.

MODE 2 ..Print by DATA key operation or built-in timer.

MODE 3 ..Print at receiving data.

Auto print difference

5-id

ID number output

pU5e

Data output pause

at-f

Auto feed

bp5

Baud rate

btpr

Data bit, parity bit

Crlf

Terminator

type

Data format

Ct5

CTS, RTS control

Standard mode, statistic mode

Standard mode, interval mode, chart mode

Dump print mode

Factory settings

0 0,1,2 3 0,1,2

0 0 0 0,1

0 0 0 0,1 #2

0 0 0 0,1

2 2 2 2

0 0 0 0

0 0 0 1

0 0 0 0

AD-8121B

MODE 1

AD-8121B

MODE 2

Not

necessary

AD-8121B

MODE 3

Page 45

Connection to a computer and the use of WinCT

The balance is of the DCE type (Data Communication Equipment), which can be connected

to a personal computer using the RS-232C interface. Before connection, read the personal

computer manual thoroughly. Use a standard DCE cable for connection (cable type:

straight-through).

Using Windows Communication Tools Software (WinCT)

When Windows is used as an operating system in a personal computer, the provided

WinCT software can be used to transmit the weighing data to the personal computer.

The WinCT software has two communication methods: "RsCom" and "RsKey". Refer to the

WinCT instruction manual.

The current version of the WinCT can be downloaded from the A&D website.

RsCom

RsCom can transmit commands to control the balance. RsCom can make bi-directional communication between the balance and a personal

computer using the RS-232C interface. RsCom can display or store the data using a text file format. RsCom can also print the data

using a printer connected to the personal computer. When several ports of a personal computer have balances connected, the personal

computer can communicate with each balance simultaneously. RsCom can share a personal computer with other application software. RsCom can receive the balance GLP report.

RsKey

RsKey can transmit the weighing data output from the balance directly to other application

software such as Microsoft Excel. RsKey can be used with most application software. RsKey can receive the balance GLP report.

Using the WinCT software, the balance can do the following:

Analyzing the weighing data and the statistics input by "RsKey"

The weighing data can be input directly into an Excel worksheet. Then, Excel can analyze

the data to obtain total, average, standard deviation, maximum and minimum value, and

display them in a graph.

Controlling the balance using commands from a personal computer

By using "RsCom", the personal computer sends commands such as "re-zero" or "send

weighing data" to the balance and controls the balance.

Printing the balance GLP report using your printer

The balance GLP report can be printed using a printer connected to the personal computer.

Receiving weighing data at a certain interval

The weighing data can be received at a certain interval and data characteristic with elapsed

time can be obtained.

Using a personal computer as an external indicator

With the "RsKey" test mode function, a personal computer can be used as an external weight

indicator for the balance. (To do this, set the balance data output mode to stream mode.)

Page 46

13.3. Commands

13.3.1. Command List

Note A command has a terminator added, that is specified using "5if Crlf" of the

function table, and is sent to the balance.

Commands to query weighing data

C Cancels the S or SIR command. Q Requests the weighing data immediately. S Requests the weighing data when stabilized. SI Requests the weighing data immediately. SIR Requests the weighing data continuously.

Commands to control the balance

CAL

OFF ON P PRT R RNG TR U

Commands to request data

?ID ?PT ?SN ?TN

Command to set data

PT:∗∗∗.∗∗∗∗ g

(Note 1)

R command assumes the point as zero and sets the display to zero.

TR command cancels the tare weight when the displayed value is greater than zero.

The canceled tare value can be read using the ?PT command.

PT: command sets the tare value digitally.

An example of this command sets a negative target value and fills with the sample until the display becomes zero.

For details, refer to page 49

Same as the CAL key. Turns the display off. Turns the display on. Same as the ON:OFF key Same as the PRINT key Same as the RE-ZERO key

(Note 1)

Same as the RANGE key Tares the balance (Cancels the container’s weight.) Same as the MODE key

Requests the ID number. Outputs the tare value.

(Note 1)

Requests the serial number of the balance. Requests the model name of the balance.

(Note 1)

Sets the tare value.

Step 1 Place a container. Step 2 Set the display to zero using the R command. Step 3 Set a target value using the PT: command.

(Note 1)

Page 47

13.3.2. Acknowledge Code and Error Codes

When the "Serial interface function (5if)" parameter is set to "erCd 1", the balance outputs

<AK> code or error code to each command as follows:

<AK> (06h) Acknowledge in ASCII code.

When the balance receives a command to request data and can not process it, the balance

transmits an error code (EC, Exx).

When the balance receives a command to request data and can process it, the balance

outputs the data. When the balance receives a command to control the balance and can not process it, the

balance transmits an error code (EC, Exx).

When the balance receives a command to control the balance and can process it, the

balance transmits the acknowledge code.

Among commands to control the balance, the following transmit the acknowledge code

both when the balance receives the command and when the balance has

accomplished the command. If the command can not be processed properly, the

balance transmits an error code (EC, Exx). This error can be released using the CAL

command.

CAL command (Calibration command)

ON command (Display ON command)

P command (Display ON/OFF command)

R command (RE-ZERO command)

TR command (Tare command)

TST command (Calibration test command)

When a communication error has occurred due to external noise, or a parity error has

occurred due to a transmission error, the balance transmits an error code. In this case, send

the command again.

xx is error code number.

13.3.3. Control Using CTS and RTS

Depending on the "Ct5" parameter of "Serial interface (5if)", the balance performs as follows:

Ct5 0

Regardless of whether the balance can receive a command or not, the balance keeps the

CTS line HI. The balance outputs data regardless of the condition of the RTS line.

Ct5 1

The CTS line is kept Hi normally. When the balance can not receive the next command

(Example: while the balance is processing the last command), the balance sets the CTS line

to Lo. The balance confirms the level of the RTS line before outputting a set of data. If the

RTS level is Hi, the balance outputs data. If the RTS level is Lo, data is not output (The data

is canceled).

13.3.4. Settings Related to RS-232C

Concerning the RS-232C, the balance has two functions: "Data output (dout)" and "Serial

interface (5if)". Set each function as necessary.

Page 48

13.3.5. Command Examples

This example uses the "erCd 1" of "5if" so that the <AK> (06h) code is output.

ON command (turning on the balance)

Computer Time Balance

ON command

Standby mode

Command received

All segments

R command (Re-zeroing the display)

Computer Time Balance

R command

All segments are displayed

Command completed Zero display

Weighing mode

Command received In process

Command completed Zero display

Page 49

Error code

This example is of an error using the R command. " erCd 1" is used. The balance transmits

an error code when the received command can not be achieved.

Computer Time Balance

R command

CAL command

Weighing mode (unstable)

Command received In process

When the R command can not be achieved due to unstable weighing:

Error code

When the CAL command is received, the balance returns to the weighing mode

Command completed Weighing mode

Page 50

Weighing with a tare

This example uses "erCd 1" of "5if" so that the <AK> (06h) code is output.

Computer Time Balance

R command

TR command

S command

?PT command

？ＰＴ

ＴＲ

Ｓ

ＳＴ，＋０１０．００００　　ｇ

(Net value)

ＰＴ，＋０１２．３４５６　　ｇ

(Tare value)

Sets the display to zero Command received

In process

Command completed Zero display

Place a container

Tares Command received

In process

Command completed Zero display

Page 51

Setting a negative target value and filling with a sample until the display becomes zero

This example uses "erCd 1" of "5if" so that the <AK> (06h) code is output.

Computer Time Balance

R command

PT: command to set a target weight of 10 g

Place a container Before command

execution

Command received In process

Command completed Zero display

Command received Target weight display

Fill with sample until the display becomes zero

Page 52

14. Maintenance

14.1. Treatment of the Balance

Clean the balance with a lint free cloth that is moistened with warm water and a mild

detergent. Do not use organic solvents to clean the balance. Do not disassemble the balance. Contact the local A&D dealer if the balance needs

service or repair. Use the original packing material for transportation. Consider section "3. Precautions" for using the balance.

14.2. Error Codes

Display Error code Description

Stability error

The balance can not stabilize due to an environmental

EC,E11

EC,E20

EC,E21

problem. Check around the pan. Prevent vibration, drafts, temperature changes, static electricity and magnetic fields, from influencing the balance. To return to the weighing mode, press the CAL key.

Calibration weight error

The calibration weight is too heavy. Confirm the calibration weight value. Press the CAL key to return to the weighing mode.

Calibration weight error

The calibration weight is too light. Confirm the calibration weight value. Press the mode.

Overload error

A sample beyond the balance weighing capacity has been placed on the pan. Remove the sample from the pan.

Weighing pan Error

The weight value is too light. Confirm that the weighing pan is properly installed and calibrate the balance.

Sample mass error

The balance can not store the sample for the counting mode or for the percent mode because it is too light. Use a larger sample.

CAL key to return to the weighing

Page 53

Display Error code Description

Unit mass error

The sample unit mass for the counting mode is too light. Storing and using it for counting will cause a counting error. Add samples to reach the specified number and press the

PRINT key. Pressing the PRINT key without adding samples

will shift the balance to the counting mode. But, for accurate counting, be sure to add samples.

Communications error

EC,E00

A protocol error occurred in communications. Confirm the format, baud rate and parity.

Undefined command error

EC,E01

An undefined command was received. Confirm the command.

Not ready

A received command can not be processed. Example:

EC,E02

The balance received a "Q" command, but not in the

weighing mode.

The balance received a "Q" command while processing a

RE-ZERO command. Adjust the delay time to transmit a command.

Timeout error

EC,E03

If the timeout parameter is set to "t-Up1", the balance did not receive the next character of a command within the time limit of one second. Confirm the communication.

Excess characters error

EC,E04

The balance received excessive characters in a command. Confirm the command.

Format error

A command includes incorrect data.

EC,E06

Example:

The data is numerically incorrect.

Confirm the command.

Parameter setting error

EC,E07

The received data exceeds the range that the balance can accept. Confirm the parameter range of the command.

Other error code

If an error described above can not be released or other errors are displayed, contact the local A&D dealer.

Page 54

14.3. Checking the Balance Performance and Environment

The balance is a precision instrument. When the operating environment or the operating

method is inadequate, correct weighing can not be performed. Place a sample on the pan

and remove it, and repeat this several times. If the balance seems to have a problem with

repeatability or to perform improperly, check as described below. If improper performance

persists after checking, contact the local A&D dealer for repair.

Checking that the operating environment or weighing method is proper

Operating environment

Is the weighing table solid enough? Is the balance level? Is the operating environment free from vibration and drafts? Is there a strong electrical or magnetic noise source such as a motor near the balance?

Weighing method

Does the weighing pan rim touch anything? Is the weighing pan assembly installed

correctly? Is the RE-ZERO key pressed before placing a sample on the weighing pan? Is the sample placed in the center of the weighing pan? Is the fine range breeze break ring installed for weighing with a minimum display of 0.01 mg

for the HR-202i? Has the balance been warmed up for one hour before weighing?

Sample and container

Has the sample absorbed or lost moisture due to the ambient conditions such as

temperature and humidity? Has the temperature of the container been allowed to equalize to the ambient temperature? Is the sample charged with static electricity? Is the sample of magnetic material such as iron? There are cautions about weighing

magnetic materials.

Checking that the balance performs properly

Check the balance performance using an external weight. Be sure to place the weight in the

center of the weighing pan. Check the balance repeatability, linearity and calibrated value using an external weight with

a known value.

14.4. Asking for Repair

If the balance needs service or repair, contact the local A&D dealer. The balance is a precision instrument. Use much care when handling the balance and

observe the following when transporting the balance. Use the original packing material for transportation. Remove the weighing pan, pan support, breeze break ring and dust plate from the main

unit.

Page 55

15. Specifications

HR-300i HR-202 i Weighing capacity 320 g

Maximum display

Minimum display 0.1 mg

(Standard deviation) Linearity ±0.3 mg

(Typical at FAST)

Sensitivity drift,

10°C to 30°C / 50°F to 86°F Operating environment Display refresh rate 5 times/second or 10 times/second

320.0084 g

0.2 mg

Approx. 3.5 seconds

±2 ppm/°C

5°C to 40°C (41°F to 104°F),

85%RH or less (No condensation)

220 g

51 g

220.0084 g

51.00009 g

0.1 mg

0.01 mg

0.1 mg Repeatability

0.02 mg ±0.2 mg ±0.03 mg

Approx. 3.5 seconds Stabilization time Approx. 8 seconds

Minimum unit mass

mode

Number of samples

Counting

Minimum 100% reference mass

Minimum 100%

mode

Percent

display

Interface

External calibration weight

Weighing pan φ90 mm External dimensions 217(W) x 442(D) x 316(H) mm

Power supply & AC adapter type

Mass Approx. 7.9 kg

The operating environment does not include excessive change of ambient temperature,

humidity, vibration, drafts, magnetic fields and static electricity.

The mass value of the weight may change due to corrosion or other damage caused by the

operating environment, or due to aging. Correct the mass value periodically if necessary.

Confirm that the adapter type is correct for the local voltage

(Depends on the reference mass stored.)

Windows Communication Tools Software ( WinCT )

300g 200g 100g

10, 25, 50 or 100 pieces

0.01 %, 0.1 %, 1 %

Power consumption: Approx. 11VA

(supplied to the AC adapter )

and power receptacle type.

0.1 mg

10.0 mg

RS-232C with

200g 100g

50g 20g

Page 56

15.1. External Dimensions

Unit: mm

Page 57

15.2. Options and Peripheral Instruments

AD-8121B Printer

Compact dot-matrix printer Statistical function, clock and calendar function,

interval print function, graphic print function, dump print

mode 5 x 7 dots, 16 characters per line Print paper (AX-PP143, 45 (W) x 50 (L) mm , ø65 mm) AC adapter or alkaline battery

AD-1653 Density Determination Kit

Weigh in water - Weigh in the air

Example

10.0000 g － 9.5334

Temperature Water density 0°C 0.99984 g/cm3 10°C 0.99970 g/cm3 20°C 0.99820 g/cm3 30°C 0.99565 g/cm3

Weigh in air

10.0000 g

x water density = sample density

x 0.9970 g/cm3 = 21.4 g/cm3

AD-1683 DC Static Eliminator

A compact design with efficient static elimination No air blowing from a fan allows precision weighing Used to eliminate the static electricity from the weighing

material

Page 58

(

)

AX-USB-9P-EX USB Converter

Adds a COM port to a PC. Enables bi-directional communication between the PC and the balance when a USB driver

is installed. Can use serial communication software such as WinCT on a PC without COM ports. An RS-232C cable is provided to connect the USB converter to the balance.

RS-232C

on the HR-

balance

i series

RS-232C cable provided

D-sub 9-pin

USB serial

converter

To USB port

on a PC

AX-T-314A-S External Key Plug

This plug produces the same operations as

pressing the

RE-ZERO and PRINT keys. It

enables remote control of the balance using

an external key.

To use the plug, the GND line must be

connected to the PRINT or RE-ZERO line for

at least 100 milliseconds.

AX-SW128 Foot Switch

When connected to the external key plug, the

switch can be used as the RE-ZERO or

1PRINT keys.

Note Before using the foot switch, connect

AX-SW128 and AX-T-314A-S.

External key Plug

AX-T-314A-S

Terminal

Foot switch AX-SW128

Page 59

Other accessories

Order code Name and description

Rechargeable Battery

AD-1682

AD-1684

AD-1685

AD-1689

AD-8526

AD-8920

AD-8922

This option allows use of the balance in a place where AC power is

not available.

Electrostatic field meter

This option measures the amount of the static charge on the

sample, tare or peripheral equipment and displays the result. If those are found to be charged, discharge them using the AD-1683 DC static eliminator.

Anti-vibration table

This option can be used when the balance has difficulty stabilizing,

due to vibration coming from the floor. As the table has a high vibration absorbing property, key operations on the balance may make the top of the table tilt slightly, causing a weighing error. To avoid this, use the AD-8922 remote controller to control the balance.

Tweezers for calibration weight

This option is used when calibrating the balance using an external

weight.

LAN Converter

This option can be used to connect the RS-232C interface of the

balance to the Ethernet (LAN) port of a computer. This allows management of the balance weighing data with a computer connected to a network.

Remote Display

This option can be connected to the balance using the RS-232C

interface.

Remote Controller

This option can be connected to the balance using the RS-232C

interface and can control the balance remotely.

Various options such as comparator output or analog output are

available.

Page 60

16. Terms/Index

16.1. Terms

Calibration Adjustment of the balance so that it can weigh accurately. Calibration weight A weight used for calibration Data number Numbers assigned sequentially when weighing data or unit weight is

stored.

Digit The minimum weighing value available. Used for the balance, one digit

is the smallest mass that can be displayed.

Environment Ambient conditions such as vibration, drafts, temperature, static

electricity and magnetic fields which affect the weighing operation. External weight The weight that you have. GLP Good Laboratory Practice. GMP Good Manufacturing Practice ISO International Organization for Standardization

Repeatability Variation in measured values obtained when the same mass is placed

and removed repetitively. Usually expressed as a standard deviation.

Example: Standard deviation = 1 digit: This means that measured

values, obtained when the same sample is placed and removed

repetitively, fall within ±1 digit in the frequency of about 68%. Re-zero To set the display to zero. Sensitivity drift An affect that a change in temperature causes to the weighing data.

Expressed as a temperature coefficient.

Example: Temperature coefficient = 2 ppm/°C : If a load is 10 g and the

temperature changes by 10°C, the value displayed changes by the

following value.

0.0002%/°C x 10°C x 10g = 0.0002 g Stabilization time Time required after a sample being placed, until the stabilization

indicator illuminates and the weighing data is displayed. Tare To cancel the weight of a container which is not to be included in the

weighing data. Normally, refers to an operation of placing a container

and setting the display to zero. Target mass An external weight used for calibration test Zero point A weighing reference point. Usually refers to the value displayed when

nothing is on the weighing pan.

Page 61

16.2. Index

% Unit of percent mode...................18

CAL key..................................10, 25

MODE key ................................... 10

ON OFF key................................. 10

PRINT key..............................10, 25

RANGE key ........................... 10, 25

RE-ZERO key........................ 10, 25

Process indicator......................... 10

Standby indicator......................... 10

Space mark................34, 37, 38, 39

Stabilization indicator....... 10, 14, 25

Response indicator ....... 10

A&D format ..................................................... 32

AC adapter .................................................6, 53

ACAI Function.................................................. 17

Accessory ..................................................... 57

AD-1653 Density determination kit............. 55

AD-1682 Rechargeable battery.................. 57

AD-1683 DC static eliminator...................... 55

AD-1684 Electrostatic field meter ............... 57

AD-1685 Anti-vibration table ....................... 57

AD-1689

AD-8121B Printer........................................... 55

AD-8526 LAN converter.............................. 57

AD-8920 Remote display............................ 57

AD-8922 Remote controller ........................ 57

AK code ..................................................... 45

ap-b ar-d

Zero after output.......................... 28

ap-p

Auto print polarity............. 28, 31, 42

at-f

Auto feed................................ 28, 42

AX-SW128 Foot switch................................... 56

AX-T-314A-S External key plug .................... 56

AX-USB-9P-EX USB converter.................... 56

ba5fnc bp5

Baud rate ............................... 29, 42

btpr

Data bit, parity bit ................... 29, 42

Cal e Cal e Cal out

Calibration ...............................................22, 58

CC out Cond

Condition.......................... 19, 28, 30

Crlf

Terminator .............................. 29, 42

CSV format ..................................................... 34

Ct5

CTS, RTS control................... 29, 42

CTS ..................................................... 45

Data number.................................................... 58

Tweezers for calibration weight

Auto print difference

Environment display.............. 25, 28

Calibration weight error................ 50

Calibration using an external weight

Calibration test ............................. 22

............28, 31, 42

...... 57

.. 21

Digit .....................................................58

dout

Data output............................. 28, 31

Dump print .....................................................32

-e Weighing pan Error...................... 50

Overload error.............................. 50

EC,E00 Communications error.................51

EC,E01 Undefined command error........... 51

EC,E02 Not ready...................................... 51

EC,E03 Timeout error................................ 51

EC,E04 Excess characters error............... 51

EC,E06 Format error................................. 51

EC,E07 Parameter setting error................ 51

EC,E11 Stability error ................................ 50

EC,E20 Internal mass error.......................50

EC,E21 Internal mass error.......................50

erCd

AK, Error code ............................. 29

error 1

Error code .....................................................50

External weight...........................................20, 58

FAST .....................................................19

FCC .......................................................4

GLP .....................................................58

GMP .....................................................58

ID Number ...............................................33, 36

info

KF format ..................................................... 32

MID. .....................................................19

MT format ..................................................... 33

Numerical format..............................................33

pnt p-on prt pU5e recend

Repeatability ..............................................53, 58

Re-zero .....................................................58

RsCom .....................................................43

RsKey .....................................................43

RTS .....................................................45

5-id 5if

SLOW .....................................................19

5pd

Stabilization time........................................53, 58

5tar 5t-b

Tare ...............................................14, 58

Target mass ..................................................... 58

trc t-Up type

PCS Unit of counting mode.................. 16

Unit .........................................10, 11, 35

Unit

WinCT Communication Tools .................. 43

Zero point ..................................................... 58

Stability error ................................ 50

ID number setting......................... 29

GLP output................................... 28

Sample mass error ...................... 50

Decimal point ......................... 28, 30

Auto display-ON..................... 28, 30

Data output mode............28, 31, 42

Data output pause..................28, 42

End block ..................................... 39

ID number output...................28, 42

Serial interface............................. 29

Display refresh rate................ 28, 30

Title block.....................................39

Stability band width ................ 28, 30

Zero tracking.......................... 28, 30

Timeout ........................................ 29

Data format ............................ 29, 42

Unit............................................... 29

Page 62

MEMO

A&D HR-202i User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual