User manual no: IMMU-01-03-08-14-EN BALANCES 3Y SERIES − ultra-microbalances UYA 3Y − microbalances MYA 3Y BALANCE
- 10 - 2. UNPACKING AND INSTALLATION Carefully unpack the balance, remove plastic, cardboard and foil packagings together with protective elements
- 100 - The adapter has been designed to minimize evaporation occurring in liquid handling procedures. It consists of a minimized weighing chamber in
- 101 - following step - <Weighing sample C1/V1/N1>. Description of texts: C1 – channel number; V1 – number of volume for a channel; N1 – num
- 102 - 8 0.998 g 1000.82389 µl 9 0.998 g 1000.82389 µl
- 103 - 25. DIFFERENTIAL WEIGHING Working mode < Differential weighing> enables analysing changes of mass in a single sample or multiple sa
- 104 - 1. Setup – access to balance’s menu 2. Series 3. Sample 4. Weighing A 5. Weighing B 6. Weighing T+A 7. Delete value 25.1. Additiona
- 105 - Below list provides the functions of only those soft keys, that are absent in working mode “Weighing” Weighing A Start sampling of initial
- 106 - 25.3. Introducing a series to the Database of Series Database of series comprises series and samples which are components of a series. While
- 107 - 25.4. An example of process for differential weighing mode On activating DIFFERENTIAL WEIGHING mode: • Select information to be displayed in
- 108 - Weighing A On selecting an option, the balance moves to the first sample on the list, for which weighing <A> is still to be carried
- 109 - The software automatically moves to the following sample in a series. Follow above procedure and weigh the following samples. The process ca
- 11 - 2.1. Balance cleaning 1. Disassembly the weighing pan and portable elements. Use the most gentle movements so as not to damage the mechanis
- 110 - <VALUE>, or the data on ambient conditions is automatically acquired from the ambient conditions module and displayed for confirmation
- 111 - In order to preview detailed information on a sample, press field with its name. The opened window contains the following data: In case t
- 112 - it is the 1 measuring cycle type B, and <3> means, that the <NUMBER OF REPETITIONS> for this process is set to <3> (3 cycle
- 113 - On previewing a specific weighing, a window is opened with data and values on the weighing process. Numbers displayed next to weighing data &
- 114 - 25.7. Deleting a value The option, in case of an error, enables deleting last weighing record added to the database. It applies to all proc
- 115 - 25.8. Printouts Option Printouts enables setting the contents of printouts in a standard printout and also determining non-standard printouts
- 116 - • Packaging • Universal variable 1…5 • Net • Tare • Non-standard printout − Weighing B • Weighing B • Date • Time • Level status •
- 117 - 26. STATISTICAL QUALITY CONTROL - SQC Working mode < Statistical Quality Control > is intended to carrying out different types of pr
- 118 - 26.1. Working mode activating procedure Procedure: • While in the main window, press soft key located in the upper bar of the display, w
- 119 - Max Value of +T1 error (specified in % of nominal mass) Unit Measuring unit of a product: [g] Caution: Editing product records in the da
- 12 - 3. BALANCE DESIGN 3.1. Dimensions 3.2. Interfaces Available interfaces overview 1 – Ethernet RJ45 2 – RS232 interface (COM
- 120 - 26.2. Additional settings of the SQC mode The additional settings enable adjusting the working mode to user’s needs and requirements. Acc
- 121 - Messages displayed during a control process: Batch quantity 1 / 10 - A command on process course and the quantity of all measurements in a t
- 122 - ---------Measurement 4 --------------- Net 50.038 g ---------Measurement 5
- 123 - 27. DATABASES Software of balances 3Y series features the following databases < >: PRODUCTS WEIGHING RECORDS CLIENTS FORMU
- 124 - 27.1. Processes carried out on databases Databases can be operated only by an authorized personnel. In order to edit databases proceed as
- 125 - The following processes can be carried out in almost any of databases: 1. Adding entry to a database < > 2. Searching for a record in
- 126 - 10. Tare [product’s tare value, set automatically on selecting a product from the database] 11. Price [Unit price
- 127 - • Enter submenu < Databases> • Enter database of < Weighing records> and press desired entry (record). List of parameters f
- 128 - 27.5. Formulation Database of Formulas contains list of designed formulas / mixtures, which can be prepared by weighing each of formulation
- 129 - 27.7. Reports from density Reports from density contain data on carried out density determination processes of solids, liquids and air. Each
- 13 - Interfaces RS232 and WE/WY RS232 - socket DB9/M (male), front view: Pin2 - RxD Pin3 - TxD Pin5 - GND IN/OUT, RS232 socket DSUB15/F (fe
- 130 - 27.8. Pipettes Database of Pipettes contains records and specification on pipettes to be calibrated. Procedure • Enter submenu < Data
- 131 - 27.9. Reports from pipette calibration processes Reports contain data on completed pipette calibration processes. In case of multichannel
- 132 - • If a series already exists in the database, press field with its name to edit data that is optionally editable List of parameters define
- 133 - 14. Number of T2+ errors [Quantity of +T2 errors] 15. A chart from control processes 16. A chart from control processes with limit
- 134 - 4. Next control – a field for entering expiry date of the minimum sample. 2 weeks before the expiry date the pictogram on minimum sample sta
- 135 - measuring range of a balance (the <TARE> button applied), as well as on weighing samples without the packaging (the <TARE> button
- 136 - Procedure • Enter submenu < Databases>, and press < Packages> field • Press < Add > key should a new packaging be adde
- 137 - • In the <Record editing> field press <Template> key • A window is opened for creating an optional printout • While design
- 138 - Net weight: 94.147 Carried by: Admin T
- 139 - 27.18.1. Export database of weighing records to file All carried out measurements are saved and stored in a database. The balance enables
- 14 - 4. STARTUP • On plugging the balance to mains, instrument’s diode ON/LOAD located on indicator’s housing is lit up. • Press powering key
- 140 - • Set option and click <Export weighings>, software will automatically export weighing database, • Upon completion a respective messa
- 141 - Upon confirmation the software deletes data and displays a summary message: Upon confirmation the software returns to a previous window.
- 142 - 27.18.3. Delete weighments and reports Function allows to delete a given database weighments and reports. Upon activation of this function
- 143 - 28. COMMUNICATION Menu Communication is located in a menu group Parameters. It is accessed by pressing Setup key or < Setup > quick
- 144 - Procedure: − Select < Wifi> communication interface, next set the parameters: • DHCP - Yes – No • IP Addresse - 1
- 145 - To check selected network parameters press <Network status> field, you will see a window with the respective information: The select
- 146 - 28.5. TCP protocol settings TCP, i.e.Transmission Control Protocol enables communicating two computers. The TCP operates in client-server mo
- 147 - 29. PERIPHERAL DEVICES Menu PERIPHERAL DEVICES is located in menu group Parameters. It is accessed by pressing Setup key or < Setup &g
- 148 - Additionally a given printout code page must be accordant with the printer code page. Code page accordance may be obtained as follows: • by
- 149 - – function activated on moving to the Database of Products / Products / Product editing – press printer pictogram. Default values for each
- 15 - 6. SOFTWARE STRUCTURE The structure of balance’s main menu is divided into function groups. Each group comprises parameters grouped by their
- 150 - 29.3. Barcode scanner The balance enables cooperating with barcode scanners, which are used to quick searching for a product in the database
- 151 - Procedure: • Connect a transponder card scanner to a balance’s port (RS 232 COM1 or RS 232 COM2), select communication port in balance set
- 152 - Ensuring correct cooperation between the balance and the ambient conditions module requires entering module connection address and the baud r
- 153 - o Left door On changing the logic status of the input system, e.g. from [0] to [1] a function that is assigned to the system is carried o
- 154 - - Enter submenu < Inputs / Outputs>, select and press < Outputs> key - Enter editing mode of a selected output, which opens
- 155 - 31. OTHER PARAMETERS This menu contains global parameters on balance operation, such as: language, date-time, beep sound, display calibra
- 156 - 31.4. Volume The user may adjust power of the loudspeaker which is mounted in a read head: To adjust the volume: Press key, next select „
- 157 - • Use finger or a thin (but not sharp edged) and soft stylus to press and hold a display area occupied by a cross. After pressing the fifth
- 158 - 31.9. Sensor sensitivity The parameter is adjustable between 0 – 9, and it determines the distance from which the IR proximity sensors should
- 159 - AUTOTEST FILTER It is process of 10 times loading and unloading of the internal weight for all possible settings of balance’s filter and val
- 16 - 7. SOFTWARE WEIGHING WINDOW The software’s main window is divided into 4 main sections: • The upper part of the touch panel displays dat
- 160 - Filter Very fast Value release Reliable
- 161 - Test results: *Deviation for Max. *Value of repeatability of indication expressed as standard deviation *Result of door test (positive / neg
- 162 - Autotest results can be exported by pressing <export> field on the level of all saved reports in a table. Data is sent to a data stora
- 163 - 32. UPDATE The function contains two modules which enable updating: o Area of a user: SOFTWARE o Metrological parameters: WEIGHING MODUL
- 164 - 34. MOVIES Option activating instructional movie explaining how to operate balance funtions. To view the movie go to <Movies> paramet
- 165 - To play the movie the user has to: 1. Save the movie to the balance memory (see instruction above) 2. Enter <Movies> parameter grou
- 166 - 35. COMMUNICATION PROTOCOL General information A. A character based communication protocol balance-terminal is designed for establishin
- 167 - SS Result release IC Internal calibration IC1 Lock automatic internal adjustment IC0 Unlock automatic internal adjustment NB Give balance f
- 168 - Accessible responses: Z_A CR LF Z_D CR LF - command understood and in progress - command carried out Z_A CR LF Z_^ CR LF - command understo
- 169 - Send stable measurement result in basic measuring unit Format: S CR LF Accessible responses: S_A CR LF S_E CR LF - command understood a
- 17 - 8. LOGGING Full access to balance’s parameters and editing databases requires logging to instrument’s software as an operator with <Admini
- 170 - MASS FRAME „P2” CR LF measuring unit from all weighing platforms Frame format with mass from each weighing platform: 1 2 3 4 5 6 7-15 1
- 171 - SUI_I CR LF - command understood but not accessible at this moment MASS FORMAT - mass value in current measuring unit is returned immedia
- 172 - Switch off continuous transmission in current weighing unit Format: CU0 CR LF Accessible responses: CU0_I CR LF - command understood bu
- 173 - Accessible responses: SM_OK CR LF SM_I CR LF - command carried out - command understood but not accessible at this moment (e.g.: other wor
- 174 - Accessible responses: PROFILE OK CR LF - command understood, new PROFILE activated LOGIN ERRROR CR LF - command understood, an error in PROFI
- 175 - Function not available for verified balances. Give balance factory number Format: NB CR LF Accessible responses: NB_A_”x” CR LF - command
- 176 - If value greater than the valid one is given, the BEEP sound is activated for the maximal available time limit. Example Command: BP_350<
- 177 - Example1 Command: OMI <CR><LF> – give available working modes Response: OMI <CR><LF> – available w
- 178 - <CR><LF> given OMG_I <CR><LF> – command understood but not accessible at this moment n – parameter, decimal value s
- 179 - Example: _ _ _ _ _ _ 1 8 3 2 . 0 _ g _ _ CR LF – a printout generated from a balance on pressing key, according to settings of <Weigh
- 18 - Below table indicates access to editing user parameters, databases and software functions depending on active access level. Authorization Ac
- 180 - 37. DIAGRAMS OF CONNECTING CABLES Caution: Cable „Balance – Ethernet” is a regular network cable with slot jest RJ45 on both ends.
- 181 - 38. ERROR MESSAGES Err2 Value beyond zero range, Err3 Value beyond tare range, Err8 Tarring / Zeroing operation time exceeded, -NUL
- 182 - 40. APPENDIX A – Variables for printouts 40.1. List of variables Caution: Each of defined variables must be contained in braces:
- 183 - {31} Weighing platform no. {32} Factory no. {33} Balance reading unit {34} Range {35} Parts counting: Mass of a standard {36} Percent s
- 184 - {77} User: Access level {80} Packaging: Name {81} Packaging: Code {82} Packaging: Mass {85} Client: Name {86} Client: Code {87} Client: V
- 185 - {177} Report on formulation: Sum {178} Report on formulation: Target value {179} Report on formulation: Difference {180} Report on formulatio
- 186 - {275} Ambient conditions report: Date and time {276} Ambient conditions report: Temperature THB {277} Ambient conditions report: Humidity T
- 187 - {319} Pipettes: Tested volumes {325} Pipette calibration report: Serial no. {326} Pipette calibration report: Start date {327} Pipette cali
- 188 - {365} Weighing B: Interval {366} Weighing B: Difference {367} Weighing B: Difference % {368} Weighing B: Residue % {369} Weighing B: Number
- 189 - Caution: 1) Format of variables {0} and {1} is finished with characters CR LF, (i.e. switching to a next line is carried out automaticall
- 19 - 9.1. Terminal’s keyboard or Enter main menu Scroll menu upwards Scroll menu downwards, Fast up and down menu scrolling, Accept chang
- 190 - Special formatting signs: Sign Description Example , Sign separating variables for formatting {7,10} – Net mass in adjustment unit with co
- 191 - Application list of formatted variables: CODE DESCRIPTION {7:V6.3} Net mass in EAN 13 code (6-character code) {7:V7.3} Net mass in EAN 13
- 192 - 41. APPENDIX D – Settings of CITIZEN printer Baud rate 9600b/sec Parity control none Bits 8bit Stop bits
- 193 - 43. APPENDIX F – Communication with barcode scanners 1. For communication with barcode scanners RADWAG balances 3Y series use RS232 inter
- 194 - 44. APPENDIX G – Menu structure User adjustment Description Value Internal adjustment Function External adjustment Function User adj
- 195 - − Pipettes − Pipette calibration reports − Series − Ambient conditions − Packages − Warehouses − Printouts − Universal variables − D
- 196 - » Printout template Settings » E2R System Settings Printer » Port COM 2 » Code page 1250 » Printouts Settings Barcode scanne
- 197 - Description Value Anonymous user » Guest Selection » User Selection » Advanced user Selection » Administrator Selection Date and
- 198 - MANUFACTURER OF ELECTRONIC WEIGHING INSTRUMENTS RADWAG BALANCES AND SCALES POLAND, 26 – 600 Radom, 28 Bracka Street Phone. +
- 2 - AUGUST 2014
- 20 - 10. WEIGHING Load a weighed object on balance’s weighing pan. On stabilization of weighing result, indicated by stability marker visible o
- 21 - * - Accessibility of measuring units is conditioned by type of balance and its verification status. In non-verified balances all measuring un
- 22 - 10.3. Balance levelling Balance Y2 series features AutoLEVEL System, which continuously monitors balance’s level status during its operation.
- 23 - 10.5. Tarring In order to determine net weight of a weighed object, place object’s container (packaging) on balance’s weighing pan, and on st
- 24 - 10.6. Use of air buoyancy compensation factor The application enables correcting mass measurement errors during: 1. Weighing loads that de
- 25 - FUNCTIONING The application provides two ways to use the air buoyancy compensation procedure. 1. Inserting the specified value of air densi
- 26 - value used for calculating buoyancy correction factor. Settings: VALUE – selecting this option opens a window for inserting determined va
- 27 - set to SAVE or SAVE & ALERTS mode, and there is no physical connection between a balance and a THB module, or the parameters for communica
- 28 - indication returns to autozero zone, the software automatically deactivates Tare value. − Automatic footer printout Accessible options:
- 29 - − Printout Contains type of printout that is related to a working mode. Printout takes place on pressing PRINT key on balance’s overlay. Acc
- 3 - Table of Contents 1. GENERAL INFORMATION ... 8 2. UNPACKING AND INSTALLATION
- 30 - Using <Minimum sample> mode guarantees that the results of completed weighing processes are within set tolerance limits, and they compl
- 31 - 6. Press <Method> field 7. Which opens a window containing a list of minimum sample methods stored in balance database. 8. Select
- 32 - - Mass above the set value of minimum sample for a given tare range Meaning of the pictograms of minimum sample mode: Mass below the set v
- 33 - If the option is on, the user shall notice an icon informing about specific mass printout format accepted by TITRATORS. The icon is located
- 34 - 11. ADJUSTMENT Balances 3Y series feature automatic internal adjustment system which ensures correct measurement accuracy. Menu <ADJUSTME
- 35 - • Acting according to the command, place an ordered weight/standard on balance’s weighing pan and press key, • On completing the adjust
- 36 - Time – adjustment takes place in time intervals declared in menu <Automatic adjustment time > (11.6) Temperature – adjustment is t
- 37 - dashes, signature, non-standard printout. 11.9. Adjustment history Contains data on all carried out adjustment processes. The recor
- 38 - 12. USERS Menu “Users” contains list of balance operators, who are authorized to operate the instrument. The following data can be defined f
- 39 - 13. ACCESS LEVEL Access level in a balance determines scope of activities that a user can carry out. This menu can only be modified by bal
- 4 - 14.2.2. Working modes ... 43 14.2.3. Readout ...
- 40 - Databases Balance Administrator is also authorized to set access level required to modifying each of the databases. Procedure: Enter grou
- 41 - 14. PROFILES A Profile is a data pack determining: o functioning of working modes, e.g. parts counting, percent setup, etc., o what dat
- 42 - Deleting a profile Procedure: • Enter balance’s main menu by pressing Setup key, • Enter submenu < Profiles>, • Press and hold an
- 43 - 14.2.2. Working modes On entering this option, the display opens a window containing all accessible working modes. The user can introduce the
- 44 - Value release This parameter determines displaying the stability marker for a measurement result. There are 3 available settings of value
- 45 - Ambient conditions This parameter refers to ambient conditions of the balance. By default the parameter is set to value Stable but it is advi
- 46 - 15. WORKING MODES – general information A balance 3Y series in its standard version features the following working modes: Weighing Means o
- 47 - Differential weighing Means of operation: analysis of mass sample change over time. Statistical Quality Control Working mode is intended to
- 48 - 3. Press corresponding menu item and select area for modification. Description of basic parameters accessible in <Settings>
- 49 - The selected option is recognized by the program and performed when activated by a particular motion. In order to ensure correct operation the
- 5 - 22.4. Using formulas in weighing ... 85 22.5. Printouts ...
- 50 - create it. o HEADER − Dashes − Working mode − Date − Time − Balance type − Balance ID − User − Level status − Client − Warehouse −
- 51 - − GLP report − Signature − Non-standard printout BASIC PRINCIPLES OF USING PRINTOUTS 1. Press PRINT key on balance’s overlay to print va
- 52 - 7. Use keyboard to design printout template, the printout may contain texts and variables. Caution: User can add a printout by importing
- 53 - 16. PARTS COUNTING Working mode< Parts counting> enables determining quantity of small parts (objects) with equal part mass. Counting
- 54 - 16.1. Ustawienia dodatkowe związane z liczeniem detali The additional settings enable adjusting the working mode to user’s needs and requirem
- 55 - Other functions of menu <Settings>: − Tare mode − Automatic footer printout − Printout mode / Value release − Printouts Means of
- 56 - Caution: Remember: • Total mass of all parts loaded on the weighing pan must not exceed the maximal capacity (weighing range) of the b
- 57 - 16.6. Updating part mass in the database Determined mass of a single part can be assigned to a product in the database of products. This opt
- 58 - 16.8. Checkweighing function in parts counting mode Proces liczenia detali może być wspomagany funkcją doważania czyli kontroli czy wskaza
- 59 - 16.9. Dosing function in parts counting mode Parts counting process can be aided by dosing function, i.e. control whether indication does not
- 6 - 27.18.1. Export database of weighing records to file ... 139 27.18.2. Delete database ...
- 60 - 17. CHECKWEIGHING Working mode< Checkweighing > enables controlling sample mass using two threshold (Low and High). Usually it is acc
- 61 - 17.1. Use of checkweighing thresholds Use of checkweighing thresholds can be carried out by: − Selection of Product < > for which Lo
- 62 - 18. DOSING Working mode< Dosing> enables carrying out the sampling process, until obtaining a pre-defined target mass. Worki
- 63 - 18.1. Use of database of products in dosing process When weighing, it is possible to use the value of target mass assigned to a product in th
- 64 - PROCEDURE 2 – manual inserting the value of target mass • Press < Target value > quick access key • In an opened window give the ta
- 65 - 19. PERCENT SETUP Working mode< Percent setup> enables comparing weighed load to a reference mass (standard). The process is expresse
- 66 - 19.1. Comparison of sample and (reference) mass standard Comparison of samples with a mass standard can be carried out through: − Giving mas
- 67 - 19.2. Checkweighing, dosing functions in percent setup mode Percent setup mode can be aided by checkweighing and dosing functions. Access to
- 68 - DOZOWANIE Uses the Target Value expressed in [%], which has to be reached during weighing (pouring) a sample. The target value also features a
- 69 - 20. DENSITY Working mode< Density > features three separate modules. The first one is used to determine density of solids, the second
- 7 - 42. APPENDINX E - Settings of ZEBRA printers ... 192 43. APPENDIX F – Communication with barcode scanners ...
- 70 - 20.1. Determining density of solid object Before starting the procedure, it is necessary to determine parameters of the process, such as: −
- 71 - 20.2. Determining density of liquid It is determining mass of a plunger if weighed in the air and in tested liquid. The density of tested
- 72 - 20.3. Density of air Density of air < > is a piece of information required to calculate correction of measurement result related to air
- 73 - 10. The balance automatically calculates the density of air, and indicates its value on the display, 11. Press < > key to finish the p
- 74 - out (if density has already been determined for this product, it is replaced with new value), o Tare mode, o Printout mode / Value release,
- 75 - Zawartość poszczególnych raportów: o SOLID − Working mode − Procedure − Sample no. − User − Balance type − Balance ID − Date − Time
- 76 - o AIR − Working mode − Procedure − Sample no. − User − Balance type − Balance ID − Date − Time − Mass of steel standard − Mass of a
- 77 - Use of data contained in the header and footer. Should data from header and/or footer be used, follow below procedure: o Press < Pri
- 78 - 21. ANIMAL WEIGHING Working mode< Animal weighing> enables reliable determining mass of objects in motion. In principle, this type of
- 79 - 21.1. Setting of animal working mode Depending on required mass analysis of weighed object, the balance enables setting internal criteria of
- 8 - 1. GENERAL INFORMATION INTENDED USE Balances 3Y series are intended to precise mass measurement of weighed loads conducted in laboratory co
- 80 - 21.2. Additional settings of animal weighing mode The additional settings enable adjusting the working mode to user’s needs and requirements.
- 81 - 22. FORMULATION Working mode< Formulation> enables preparing mixtures out of several ingredients. The process is conducted automatical
- 82 - On selecting the formulation mode, the display contains the following quick access keys in the bottom bar: 1. Setup – access to balance’s me
- 83 - TOLERANCE: balance software accepts mass of an ingredient if it is within set percent tolerance of total ingredient’s mass (±%) - (data acquir
- 84 - As each of ingredients must have its name and mass specified, the operator must know the exact composition of the total mixture. Adding a form
- 85 - 22.4. Using formulas in weighing In activating FORMULATION mode, depending on settings, user can move to formula making process either on s
- 86 - To proceed press < > key Caution: Formula making process can be aborted at any moment by pressing <Abort > key. PROCEDURE 2 –
- 87 - PROCEDURE 3 – Preparing a formulation that is saved in the Database of Formulas, with determining target mass of complete formulation. This p
- 88 - 22.5. Printouts Option Printouts enables setting the content of printouts in a standard printout and also determining non-standard printouts.
- 89 - 22.6. Report on completed formula making processes On completing any type of formula making process, a report is generated. The report is save
- 9 - • Balance defects, if service claims removing or destroying product’s protective stickers which protect the balance’s housing against unauthor
- 90 - 23. STATISTICS Working mode< Statistics> enables acquiring data form a series of measurements and carrying out statistical calculati
- 91 - 23.1. Setting of keys and workspace for statistics mode When carrying out a series of measurements, bear in mind below data on operation of
- 92 - 23.3. Parameters related to a series of measurement Each series of measurements can be accompanied by the following options: previewing resul
- 93 - − Probability distribution chart – on selecting this option the software generates and displays chart of probability distribution for com
- 94 - 24. PIPETTE CALIBRATION Balance allows pipette calibration by means of a special balance software or by means of cooperation with computer s
- 95 - dosed by means of pipette through an opening located in the top cover of the weighing chamber. Thus prepared balance is ready for performance
- 96 - Before carrying out calibration process, load database with data on pipettes and calibration criteria. Adding pipettes can only be carried ou
- 97 - 3. Press <Settings> key, 4. The display indicates functions related to calibration of pipettes. Pipettes calibration is related to th
- 98 - The software automatically adds a new entry to the database, and enters its editing mode. Insert all parameters of a new formulation. List
- 99 - Standard printout Comprises four internal sections featuring different variables. For each variable set option YES to include it in a sta
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