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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

ON:OFF

key.

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.

5 Wait for the stabilization indicator

to be displayed,

then read the value.

6 Remove the sample and container from the pan.

Stabilization

indicator

Sample

Container

Weighing pan

Remove the sample

and container

Содержание HR-202i

Страница 1: ...Analytical Balance HR 300i HR 202i 1WMPD4000912C ...

Страница 2: ...lated 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 ...

Страница 3: ... 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 Descrip...

Страница 4: ...uipment 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 57 16 1 Terms 57 16 2 Index 58 ...

Страница 5: ...unctions Describes functions of the balance Interface and communication Describes the serial interface used for communicating with a computer that requests weighing data and controls the balance and for use with a printer Maintenance Describes maintenance error codes troubleshooting specifications and options 1 2 Features Response adjustment adapting to drafts and or vibration The data adapting to...

Страница 6: ...red 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 Directives of CE mark This device features radio interference suppression safety regulation and restriction of Hazardous Substances in compliance with the following Council Directives Council directive 2004 108 EC EN61326 EMC directiv...

Страница 7: ...5 ...

Страница 8: ...lay Keys Leveling foot External key jack Weighing chamber Floor plate Terminal cover Display cover AC adapter Note Please confirm that the AC adapter type is correct for your local voltage and receptacle type Grounding terminal Leveling foot Dust plate Breeze break ring Pan support Weighing pan Fine range breeze break ring Fine range breeze break ring This ring is an accessory for the HR 202i Befo...

Страница 9: ...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 Co...

Страница 10: ...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 Make each weighing gently and quickly to avoid errors due to changes in the environmental conditions Before weighing with a minimum displa...

Страница 11: ... 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...

Страница 12: ...o turn the minimum weighing value ON and OFF The key to enter the function table mode Refer to 10 Function Table The key to switch the preset weighing units stored in the function table Refer to 5 Weighing Units The key to perform response adjustment No function The key to display other items of the calibration menu The key to output the stable weighing data factory setting No function factory set...

Страница 13: ...ieties one of which can be selected and installed at the factory 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 Conversion factor Gram g 1 g Milligram mg 0 001 g Counting mode pcs Percent mode Ounce Avoir oz 28 349523125 g Troy Ounce ozt 31 1034768 g Metric Carat ct 0 2 g Momme mom 3 75 g P...

Страница 14: ... the unit selection mode 4 Specify a unit or mode in the order to be displayed using the following keys RANGE key To display the units sequentially RE ZERO key To specify a unit or mode The stabilization indicator appears when the displayed unit or mode is specified Examples Unit Display Gram g Milligram mg Counting mode pcs Percent mode 5 Press the PRINT key to store the units or modes The balanc...

Страница 15: ...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...

Страница 16: ...o 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...

Страница 17: ... 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 ...

Страница 18: ...r on the weighing pan if necessary Press the RE ZERO key to cancel the weight tare The number specified in step 3 appears Example 25 0 pcs is displayed if 25 is selected in step 3 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 PRINT key to calculate and store the unit mass Then the balance displays 25 pc...

Страница 19: ...e 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 ...

Страница 20: ...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...

Страница 21: ...ODE 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 fo...

Страница 22: ...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 f...

Страница 23: ...peration 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 ...

Страница 24: ...page 20 Even if the AC adapter is removed the data is maintained in non volatile memory PRINT key The key to store the new mass value CAL key The key to cancel the operation and return to CC 0 5 Confirm that there is nothing on the pan and press the PRINT1 key The balance measures the zero point and displays the measured value Do not allow vibration or drafts to affect the balance The balance disp...

Страница 25: ...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 The key to select blinking digit RE ZERO key The key to change the parameter for the selected switch 0 To inhibit changes Can not be used 1 To permit changes Can be used PRINT key The key to store the new parameter and return t...

Страница 26: ...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 ...

Страница 27: ...ys 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...

Страница 28: ...ess 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 t...

Страница 29: ...put for AK Error code Weighing mode Start Press and hold Press several times Class Finish Weighing mode Item Press several times Item Terminator Parameter CR Parameter Output Item AK Error code Step 1 Step 2 Step 3 Step 4 Step 5 Step 4 Step 5 Step 7 Step 8 Step 6 ...

Страница 30: ... b and the reference value are met prt Data output mode 3 Stream mode Outputs data continuously 0 Plus only Displayed value Reference 1 Minus only Displayed value Reference ap p Auto print polarity 2 Both Regardless of displayed value 0 10 digits 1 100 digits ap b Auto print difference 2 1000 digits Difference between reference value and displayed value 2 0 No output 5 id ID number output 1 Output...

Страница 31: ...Description of Item Data Format 0 No limit t Up Timeout 1 1 second Selects the wait time to receive a command 0 No output erCd AK Error code 1 Output AK ASCII code 06h 0 Not used 5if Serial interface Ct5 CTS RTS control 1 Used Controls CTS and RTS Unit Unit Refer to 5 Weighing Units id ID number setting Refer to 11 ID Number And GLP Report Factory settings Digit is a unit of minimum weighing value...

Страница 32: ...hing 5t b 2 This parameter ignores slight fluctuations of a mass value Used to prevent a 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...

Страница 33: ... with ar d set to 1 to adjust zero after the data 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 prin...

Страница 34: ...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 KF format 5if type 2 This is the Karl Fischer moisture meter format and is used when the peripheral equipment can only communicate using ...

Страница 35: ...rmat 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 separate...

Страница 36: ...34 10 6 Data Format Examples Stable Unstable Overload Positive error Overload Negative error Space ASCII 20h Carriage Return ASCII 0Dh Line Feed ASCII 0Ah ...

Страница 37: ...s A D D P KF MT g mg Counting mode Percent mode Ounce Avoir Troy Ounce Metric Carat Momme Pennyweight Grain Tael HK general Singapore Tael HK jewelry Tael Taiwan Tael China Tola India Messghal Space ASCII 20h ...

Страница 38: ...lock 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 Pres...

Страница 39: ...llowing keys RANGE key The key to select the blinking figure RE ZERO key The key to increase the value of the blinking figure MODE key The key to decrease the value of the blinking figure PRINT key The key to store the new value 5 When pressing the RE ZERO key the zero point is measured and the weight value is displayed for a few seconds 6 Place the displayed mass on the pan Press the PRINT key to...

Страница 40: ...ro point is measured and the weight value is displayed for a few seconds 6 Place the displayed mass on the pan Press the PRINT 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 for...

Страница 41: ...nction 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 re...

Страница 42: ...ent 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 w...

Страница 43: ... Data bits 7 bits None Data bits 8 bits Stop bit 1 bit Code ASCII D Sub 25 pin assignments Pin No Signal name Direction Description 1 No connection 2 TXD Output Transmit data 3 RXD Input Receive data 4 No connection 5 SG Signal ground 6 DSR Output Data set ready 7 RTS Input Request to send 8 CTS Output Clear to send 9 No connection Signal names of the balance side are the same as the DTE side with...

Страница 44: ...dout Data output at f Auto feed 0 0 0 0 1 bp5 Baud rate 2 2 2 2 btpr Data bit parity bit 0 0 0 0 Crlf Terminator 0 0 0 0 type Data format 0 0 0 1 5if Serial interface Ct5 CTS RTS control 0 0 0 0 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 ...

Страница 45: ...mputer 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...

Страница 46: ...res the balance Cancels the container s weight Note 1 U Same as the MODE key Commands to request data ID Requests the ID number PT Outputs the tare value Note 1 SN Requests the serial number of the balance TN Requests the model name of the balance Command to set data PT g Sets the tare value Note 1 Note 1 R command assumes the point as zero and sets the display to zero TR command cancels the tare ...

Страница 47: ...ration 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 Usi...

Страница 48: ...command turning on the balance Computer Time Balance ON command Standby mode Command received All segments are displayed Command completed Zero display R command Re zeroing the display Computer Time Balance R command Weighing mode Command received In process Command completed Zero display All segments ...

Страница 49: ...n 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 ...

Страница 50: ...ter Time Balance R command TR command S command PT command 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 Net value Tare value ＴＲＳＰＴＳＴ０１０００００ｇＰＴ０１２３４５６ｇ ...

Страница 51: ... 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 ...

Страница 52: ...lectricity and magnetic fields from influencing the balance To return to the weighing mode press the CAL key EC E20 Calibration weight error The calibration weight is too heavy Confirm the calibration weight value Press the CAL key to return to the weighing mode EC E21 Calibration weight error The calibration weight is too light Confirm the calibration weight value Press the CAL key to return to t...

Страница 53: ...e 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 EC E03 Timeout error 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 EC E04 Excess characters error The balance r...

Страница 54: ...he 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 I...

Страница 55: ... or 100 pieces Minimum 100 reference mass 10 0 mg Percent mode Minimum 100 display 0 01 0 1 1 Depends on the reference mass stored Interface RS 232C External calibration weight 300g 200g 100g 200g 100g 50g 20g Weighing pan 90 mm External dimensions 217 W x 442 D x 316 H mm Power supply AC adapter type Power consumption Approx 11VA supplied to the AC adapter Confirm that the adapter type is correct...

Страница 56: ...54 15 1 External Dimensions Unit mm ...

Страница 57: ...a logger equipped with 4 sensors for temperature humidity barometric pressure and vibration that can measure and store environmental data When connected to the RS 232C interface of the balance the AD 1687 can store environmental data along with weighing data Therefore it is possible to store data in an environment where a computer cannot be used The stored data can be read to a personal computer u...

Страница 58: ...2A remote controller to avoid a weighing error by a slight table tilt that key operation may make AD 1672 Tabletop breeze break Protects the balance from wind from sources such as air conditioning or people passing by thereby reducing balance weighing error The transparent panel assembly consists of antistatic plastic material that protects the balance from static electricity AD 1683 DC static eli...

Страница 59: ...mple 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 t...

Страница 60: ... Cal e Calibration weight error 50 Cal out Calibration using an external weight 21 Calibration 22 57 CC out Calibration test 22 Cond Condition 19 28 30 Crlf Terminator 29 42 CSV format 34 Ct5 CTS RTS control 29 42 CTS 45 Data number 57 Digit 57 dout Data output 28 31 Dump print 32 e Weighing pan Error 50 e Overload error 50 EC E00 Communications error 51 EC E01 Undefined command error 51 EC E02 No...

Страница 61: ...59 PCS Unit of counting mode 16 Unit 10 11 35 Unit Unit 29 WinCT Communication Tools 43 Zero point 57 ...

Страница 62: ...60 MEMO ...

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