CONTENTS Basic Operation 1. INTRODUCTION ..........................3 1-1 About This Manual..........................3 1-2 Features ............................. 3 1-3 Compliance............................4 2. UNPACKING THE BALANCE ......................5 2-1 Unpacking............................5 2-2 Installing the Balance ......................... 6 3. PRECAUTIONS ..........................7 3-1 Before Use............................7 3-2 During Use............................8 3-3 After Use .............................
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Functions 10. FUNCTION TABLE ........................37 10-1 Structure and Sequence of the Function Table ................37 10-2 Display and Keys ..........................37 10-3 Details of the Function Table ......................38 10-4 Description of the Class “Environment, Display” ................41 10-5 Description of the Item “Data Output Mode”................... 43 10-6 Description of the Item “Data Format”...
1. INTRODUCTION This manual describes how the HR-AZ / HR-A series balance works and how to get the most out of it 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 ......
1-3 Compliance Compliance with FCC Rules Please note that this device generates, uses and can radiate radio frequency energy. This device 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 this device is operated in a commercial environment.
2. UNPACKING THE BALANCE 2-1 Unpacking The balance is a precision instrument. 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 included. Install the large breeze break when drafts are present How to install the large breeze break Follow the numbered sequence.
2-2 Installing the Balance Install the balance as follows: 1. Place the balance on a solid weighing table. Refer to “3. PRECAUTIONS” for installing the balance. 2. Assemble the pan support, weighing pan, breeze break ring and breeze break, on the balance as shown in the illustration on page 5.
3. PRECAUTIONS To get the optimum performance from the balance and acquire accurate weight data, note the following: 3-1 Before Use Install the balance in an environment where the temperature and humidity are not excessive. The best operating temperature is about 20°C / 68°F at about 50% relative humidity. Install the balance where it is not exposed to direct sunlight and it is not affected by heaters or air conditioners.
3-2 During Use Discharge static electricity from the material to be weighed (hereinafter referred to as the sample). When a sample could have a static charge, the weight data is influenced. Ground the balance and try the following: Eliminate static electricity using optional...
3-3 After Use Avoid mechanical shock to the balance. Do not disassemble the balance. Contact the local A&D dealer if the balance needs service or repair. Do not use organic solvents to clean the balance. Clean the balance with a lint free cloth that is moistened with warm water and a mild detergent.
4. DISPLAY SYMBOLS AND KEY OPERATION Key operation Key operation affects how the balance functions. The basic key operations are: “Press and release the key immediately” or “Press the key” = normal key operation during measurement “Press and hold the key” Display symbols Each key, when pressed or when pressed and held, functions as follows: When pressed...
5. WEIGHING UNITS 5-1 Units With the HR-AZ / HR-A series balance, the following weighing units and weighing modes are available: Counting mode Percent mode Programmable-unit (No unit displayed. For details, refer to "14. PROGRAMMABLE-UNIT".) A unit or mode can be selected and stored in the function table as described on page 13. If a weighing mode (or unit of weight) has been turned off, that mode or unit will be missing in the sequence.
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The tables below indicate the weighing capacity and the minimum display for each unit, depending on the balance model. Capacity Unit Minimum display HR-100AZ HR-150AZ HR-250AZ HR-100A HR-150A HR-250A Gram 0.0001 Ounce (Avoir) 3.59 5.36 8.88 0.00001 Troy Ounce 3.27 4.88...
5-2 Storing Units The units or modes can be selected and stored in the function table. The sequence of displaying the units or modes can be arranged in the function table so as to fit the frequency of use. Select a unit or mode and arrange the sequence of display as follows: 1 Press and hold the SAMPLE key until ba5fnc of...
6. WEIGHING 6-1 Basic Operation (Gram Mode) 1 Place a container on the weighing pan, if necessary. Weighing Press the RE-ZERO key to cancel the weight (tare). The balance displays 0. 0 000 g. (The decimal point position depends on the balance model.) Container 2 Place a sample on the pan or in the container.
6-2 Smart Range The smart range for the HR-251AZ/HR-251A consists of the standard range and precision range (high resolution). Smart range function The range switches automatically, depending on the value displayed. Pressing the RE-ZERO key allows weighing in the precision range, regardless of the tare value.
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 the mass of one piece of the sample. The smaller the variables in each sample unit mass are, the more accurate the counting will be.
Notes If the balance judges that the mass of the samples is too light and is not adequate to be used as the unit mass, it displays lo . In that case, store the mass by some quantity. For example, when the model with the minimum weighing value of 0.0001 g is used and 10 pieces of samples weigh 0.0005 g.
6-4 Percent Mode (%) This is the mode to display the weight value in percentage compared to a 100% reference mass and is used for target weighing or checking the sample variable. Selecting the percent mode 1 Press the MODE key to select % (percent mode). Storing the 100% reference mass 2 Press the SAMPLE key to enter the 100% reference mass storing mode.
6-5 Statistical Calculation Mode The statistical calculation mode statistically calculates the weight data, and displays or outputs the results. To use the statistical calculation mode, set the "Application function (apf)" parameter of “Application (ap fnc)” in the function table to “2”, as described below. Statistical items available...
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Selecting the statistical items to output 5 Press the SAMPLE key to display 6 Press the RE-ZERO key to select the output items. In the example, is selected to output the number of data, sum, maximum, minimum, range (maximum-minimum) and average. Parameter Description Number of data, sum...
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1 Press the RE-ZERO key to set the display to zero. 2 Place the sample on the weighing pan and wait for the stabilization indicator to turn on. 3 Press the PRINT key to add the data displayed to Weighing statistical calculation.
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Deleting the latest data When the wrong data is entered, it can be deleted and excluded from statistical calculation. Only the latest data can be deleted. Press 1 In the weighing mode, press the MODE key several several times times to display 2 Press the PRINT key to display Press the RE-ZERO key to display 4 Press the PRINT key to delete the latest data and...
Here, as an example of use of the statistical calculation mode, mixing of the multiple formulae such as medicine is described. The mixing process is recorded using the balance and the printer. In the example, the HR-250AZ and the AD-8121B (dump print mode) are connected using the RS-232C serial interface.
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6-6-2 Using The Statistical Calculation Mode 1 Press the RE-ZERO key to set the display to zero. 2 Place a container on the weighing pan. Container Press the PRINT key to cancel the weight (tare). The balance displays 0. 0 000 g. (Storing the tare value) The tare value data is output when the peripheral output equipment is connected.
7. RESPONSE ADJUSTMENT This function stabilizes the weight value, reducing the influence on weighing that is caused by drafts and vibration at the place where the balance is installed. The function has three stages as follows and can be changed by simple key operation. Indicator Description Response indicators...
8-2 Calibration Using the Internal mass (One-Touch Calibration, only for the HR-AZ series ) This function calibrates the balance using the internal mass. The only operation required is to press the CAL key. Note Level the balance by adjusting the leveling feet and confirm that the bubble is in the center of the spirit level.
The normal range of the value is as follows: Model The internal mass The normal range HR-100AZ / HR-150AZ 100.0000 g ±0.2 mg HR-250AZ 200.0000 g HR-251AZ 200.0000 g ±2 mg 8 If GLP output is set, is displayed, the calibration test report is output to the RS-232C interfac.
100 g - 0.0150 g to + 0.0150 g HR-150AZ 100 g HR-250AZ / HR-251AZ 200 g Operation Example : Correcting the weight value by +0.0003 g in 100 g using the HR-150AZ. If correcting the weight value by +0.0003 g in 50 g, use the correction value of +0.0006 g as the correction reference value is 100 g.
100 g, 50 g HR-150AZ 150 g, 100 g, 50 g - 0.0150 g to + 0.0150 g HR-250AZ 250 g, 200 g, 100 g, 50 g HR-251AZ 250 g, 200 g, 100 g, 50 g, 20 g The calibration weight in bold type: factory setting The calibration weight value can be adjusted within the range above.
8-6 Calibration Using an External Weight This function calibrates the balance using an external weight. Operation 1 Connect the AC adapter and warm up the balance for at least one hour with nothing on the pan. Calout 2 Press and hold the CAL key until displayed, and then release the key.
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From previous page 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 weight value. 6 Place the displayed calibration weight on the pan and press the PRINT key.
8-7 Calibration Test Using an External Weight This function tests the balance weighing accuracy using an external weight and outputs the result. This is available only when the “GLP output (info)” parameter is set to “1” or “2”. (Calibration test does not perform calibration.) Operation 1 Connect the AC adapter and warm up the balance...
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From previous page 5 Confirm that there is nothing on the pan and press the PRINT 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 weight value. 6 Place the displayed target weight on the pan and press the PRINT key.
9. FUNCTION SWITCH AND INITIALIZATION 9-1 Permit or Inhibit The balance stores parameters that must not be changed unintentionally. There are two switches for the purpose of protecting these parameters. Each switch can select either “permit” or “inhibit”. The “inhibit” protects parameters against unintentional operations. Switches (HR-AZ series) (The display shown left indicates the factory settings.) Function table...
Operation 1 Press the ON:OFF key to turn off the display. 2 While pressing and holding the PRINT key and the SAMPLE key, press the ON:OFF key. The balance displays p5 . 3 Press the PRINT key. Then the balance displays the function switches. 4 Set the switches using the following keys.
10. FUNCTION TABLE The function table reads or rewrites the parameters that are stored in the balance. These parameters stored, even if the AC adapter is removed, are maintained in non-volatile memory. 10-1 Structure and Sequence of the Function Table The function table menu consists of two layers.
10-3 Details of the Function Table Class Item and Parameter Description Fast response, sensitive value FAST Cond With “Hold 1”, sets the averaging MID. time. Condition Slow response, stable value SLOW The stabilization indicator illuminates Stable range is ±1 digit 5t-b when the display fluctuation is within the range.
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Class Item and Parameter Description Accepts the PRINT key only when Key mode the display is stable. Auto print mode A Outputs data when the display is (Reference = zero) stable and conditions of ap-p, ap-b Auto print mode B and the reference value are met.
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Class Item and Parameter Description 7 bits, even btpr 7 bits, odd Data bit, parity bit 8 bits, none CR LF Crlf CR: ASCII code 0Dh LF: ASCII code 0Ah Terminator A&D standard format DP format type KF format Serial Refer to “10-6 Description of the Item “Data Format””.
10-4 Description of the Class “Environment, Display” Condition ( Cond Cond 0 This parameter is for sensitive response to the fluctuation of a weight value. Used for powder target weighing, weighing a very light sample or when quick response weighing is required. After setting, the balance displays FAST.
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Zero tracking ( trc ) This function tracks zero point drift caused by changes in the environment and stabilizes the zero point. When the weight data is only a few digits, turn the function off for accurate weighing. Note Digit indicates a unit of minimum weighing value. trc 0 The tracking function is not used.
10-5 Description of the Item “Data Output Mode” The parameter setting of the “Data output mode ( prt )” applies to the performance when the data is transmitted using the RS-232C serial interface. Key mode When the PRINT key is pressed with the stabilization indictor turned on, the balance outputs the weight data and the display blinks one time.
Interval output mode The weight data is periodically output. When the PRINT key is pressed, the balance starts to output the weight data at a preset interval time. When the PRINT key is pressed again, the balance stops outputting the weight data. Example “For outputting the weight data periodically."...
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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.
Date dout 5-td 2 or 3 The date output order can be changed in "Clock ( Cl adj )". The year is output in a four-digit format. C R L F 1 2 / 3 1 / 2 0 1 0 Time dout 5-td 1 or 3 The time is output in a 24-hour format.
Units D.P . A&D Counting mode Precent mode Ounce (Avoir) Troy Ounce Metric Carat Momme Pennyweight Grain (HK general, T ael Singapore) T ael (HK, jewelry) T ael (T aiwan) T ael (China) T ola (India) Messghal M L T M L T M L T M L T...
10-9 Clock and Calendar Function (Only for the HR-AZ series) The HR-AZ series balance is equipped with a clock and calendar function. When the “GLP output (info)” parameter is set to “1” or “2” and the “Time/Date output (5-td)” parameter is set to “1”, “2” or “3”, the time and date are added to the output data.
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Confirming the time 6 The current time is displayed with all the digits blinking. When the time is correct and the date does not need to be confirmed, press the CAL key and go to step 8. When the time is correct and the date is to be confirmed, press the SAMPLE key and go back to step 4.
"Near zero" means that the weight value is within ±10 digits of the minimum weighing value. For example, using an HR-250AZ in gram mode, the range of ±0.0010 g is “near zero”. For the description of “Comparator (Cp fnc)”, refer to “10-3 Details of the Function Table”.
11. ID NUMBER AND GLP REPORT The ID number is used to identify the balance when Good Laboratory Practice (GLP) or Good Manufacturing Practice (GMP) is used. The ID number is maintained in non-volatile memory even if the AC adapter is removed. The output format for GLP/GMP compliant report is selected at “GLP output (info)”...
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Calibration report using an internal mass (Only for the HR-AZ series) When the setting is “info 1”: When the setting is “info 2”: AD-8121 format General data format Manufacturer A & D< TER M> A & D Model MO DE L HR -2 50 AZ<TE RM>...
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Calibration report using an external weight When the setting is “info 1”: When the setting is “info 2”: With HR-AZ series, the time and date are added to output data. Calibration test report using an external weight (Calibration test does not perform calibration.) When the setting is “info 1”: When the setting is “info 2”: With HR-AZ series, the time and...
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Title block and end block When a weight value is recorded as the GLP data, “Title block” and “End block” are inserted at the beginning and at the end of a group of weight values, in the GLP report. Note To output the report to an AD-8121B , use MODE 3 of the AD-8121B.
12. UNDERHOOK The underhook can be used for magnetic materials or density measurement. The built-in underhook is revealed by removing the plastic cap on the bottom of the balance. Use the underhook as shown below. Bottom of the balance Underhook Caution Do not apply excessive force to the underhook.
13. DENSITY MEAS UREMENT SPECIFIC GRAVITY The balance is equipped with a density mode. It calculates the density of a solid using the mass value of a sample in air and the mass value in liquid. We recommend the use of the AD-1654 Density Determination Kit.
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Measuring the density of a solid ( specific gravity ) (d5 0) Note If the liquid temperature or the type of liquid is changed during measurement, again input the value of the liquid density as necessary. The density display is four decimal places.
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Entering the density of a liquid Two ways to set the density of a liquid are available in the function table, "Liquid density input (ldin): by entering the water temperature or by entering the density directly. Entering the water temperature ( ldin 0 ) The water temperature currently set (unit:°C, factory setting : 25.0°C) is displayed.
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Measuring the density of a liquid ( specific gravity ) (d5 1) Note The density display is four decimal places. The minimum display can not be changed with the SAMPLE key. From "Entering the density of a liquid" The density (or specific gravity) is displayed after "Mass measurement of a float in air"...
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Entering the volume of a float The balance displays the set float volume (factory setting: 10.00cm ). Change the setting value by using the following keys if necessary. Available adjustment range is 0.01 to 99.99 cm , and unit is 0.01 cm (+)key ..
14. PROGRAMMABLE-UNIT This is a programmable unit conversion function. It multiplies the weight data in grams by an arbitrary coefficient set in the function table and displays the result. The coefficient must be within the range between the minimum and maximum shown below. If the coefficient set is beyond the range, an error is displayed and the balance returns to the coefficient setting mode, prompting to enter an appropriate value.
15. RS-232C SERIAL INTERFACE The balance is a Data Communication Equipment (DCE) device. Connect the balance to a personal computer (DTE) using a straight through cable. Transmission system : EIA RS-232C (D-Sub 9-pin, female connector) Transmission form : Asynchronous, bi-directional, half duplex Transmission rate : 10 times/second or 5 times/second (same as data refresh rate) Data format...
16. CONNECTION TO PERIPHERAL EQUIPMENT 16-1 Connection to the AD-8121B Printer Set the following parameters to use the AD-8121B printer. Example of use AD-8121B mode setting To print A&D standard format weight data, using the HR-AZ / HR-Z MODE 1 PRINT key or auto print mode.
16-2 Connection to a Computer The balance can be connected to a personal computer using the RS-232C serial interface. As an option, the HRA–02 USB interface is available to transmit the balance data to a personal computer. The balance is a DCE device. Use a straight through cable when connecting to a personal computer.
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Using the WinCT software, the balance can do the following: 1 Analyzing the weight data and the statistics with “RsKey” The weight data can be input directly into an Excel worksheet. Then, Excel can analyze the data to obtain sum, average, standard deviation, maximum and minimum value, and display them as a graph.
17. COMMANDS 17-1 Command List Note A command has a terminator added, that is specified using the "Terminator (Crlf)" parameter of “Serial interface ( 5if )” in the function table, and is sent to the balance. Commands to query weight data Cancels the S or SIR command.
17-2 Acknowledge Code and Error Codes When the “AK, Error code (erCd)” parameter of “Serial interface ( 5if )” is set to “1”, the balance outputs <AK> code or an error code for 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).
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CAL command example (HR-AZ series: Calibration using the internal mass) Personal computer Time Balance Zero display CAL command C R L F Confirmation of AK C R L F command receipt AK C R L F Command completion Zero display CAL command example (HR-A series: Calibration using an external weight) * : EXC command for HR-AZ series Personal computer...
T command example Personal computer Time Balance Weighing mode T command C R L F Confirmation of AK C R L F AK C R L F command receipt Processing command Command completion AK C R L F AK C R L F Zero display ?PT command P T , + 1 2 6 .
18. MAINTENANCE Do not use organic solvents to clean the balance. Clean the balance with a lint free cloth that is moistened with warm water and a mild detergent. 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.
19-2 Error Codes Display Error code Description Stability error EC, E11 The balance can not stabilize due to an environmental problem. Prevent vibration, drafts, temperature changes, static electricity and magnetic fields. Refer to “3. PRECAUTIONS” for details on the operating environment and “7.
Display Error code Description Balance internal error If this error appears persistently, contact the local A&D dealer. Battery error for clock The back-up battery power for the clock was lost completely. After pressing one of the keys, adjust the date and time. Even if the back-up battery power for the clock was lost and the balance is on or in the standby state, the balance performance will be normal.
20. OPTIONS Note The HRA-02, HRA-08 and HRA-09 can not be used at the same time. HRA-02 USB interface (Installed in the balance, Applicable OS: Windows 98 OSR2 or later) Used to transmit the balance weight data (numerical value only) uni-directionally to a personal computer via USB.
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AD-1671 Anti-vibration table A 27-kg table with vibration-absorbing rubber feet, to reduce vibration coming from the floor to enable stable weighing. Use the AD-8922A remote controller to avoid weighing errors that can be caused by slight table tilting when operating the scale manually. 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.
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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. AD-8920A Remote display Connected to the balance using the RS-232C serial interface to display the weight data away from the balance.
21. SPECIFICATIONS HR-250AZ HR-251AZ HR-150AZ HR-100AZ 252 g Weighing capacity 252 g 152 g 102 g 62 g 252.008 g Maximum display 252.0084 g 152.0084 g 102.0084 g 62.0009 g *1 1 mg Minimum weighing value 0.1 mg 0.1 mg (1 digit) 0.1 mg...
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HR-250A HR-251A HR-150A HR-100A 252 g Weighing capacity 252 g 152 g 102 g 62 g 252.008 g Maximum display 252.0084 g 152.0084 g 102.0084 g 62.0009 g *1 1 mg Minimum weighing value 0.1 mg 0.1 mg (1 digit) 0.1 mg 0.2 mg/200-250 g 0.5 mg...
22. EXTERNAL DIMENSIONS HR-100A / 150A / 250A / 251A HR-100AZ / 150AZ / 250AZ / 251AZ (*1) 270 (*1) 105 (*1) 112 (*2) 61.5 191.5 192(*7) 107 (*5) 3(*7) *1: When opening maximum *2: Inside dimension *3: Weighing pan diameter *4: Height up to the weighing pan *5: When pulling out the locking handle *6: Inside dimension (from up to the weighing pan)
23. TERMS/INDEX Terms Stable value The weight data when the stabilization indicator appears. Environment Ambient conditions such as vibration, drafts, temperature, static electricity and magnetic fields which affect the weighing operation. Calibration Adjustment of the balance so that it can weigh accurately. Output To output the weight data using the RS-232C serial interface.
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Index Keys and symbols ON/OFF key........10 Auto print mode A .........39, 43 SAMPLE key........10 Auto print mode B.........39, 43 MODE key.........10 Auto print polarity ........39 CAL key..........10 Average........21 RINT key..........10 Average ........19, 21, 40 RE-ZERO key........10 AX- FXi -31..........73 Stabilization indicator.....10 AX-USB-9P-EX USB converter....
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Crlf Terminator ......40, 63 CSV format........40, 45, 46 Coefficient of variation ....21 - G - .........3, 28, 51 - D - GLP output ......28, 32, 33, 39, 51 Data bits ...........62 .........3, 51, 79 Data format..........40 Grounding terminal ........5 Data logger ..........74 Data output mode........39 - H -...
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