Number of instruction: LMI-34-03/06/12/ENG Precision balances PS series MANUFACTURER OF ELECTRONIC WEIGHING INSTRUMENTS RADWAG 26 – 600 Radom, Bracka 28, POLAND phone +48 48 38 48 800, fax. +48 48 385 00 10 e-mail: export@radwag.com www.radwag.
JUNE 2012 2
Table of Contents 1. TECHNICAL DATA ......................................................................... 7 2. BASIC INFORMATION ................................................................... 9 2.1. 2.2. 2.3. 2.4. 2.5. 2.6. 3. Intended use .........................................................................................9 Inappropriate use ..................................................................................9 Warranty ........................................................
10.5. Weighing mode RAPID ....................................................................... 34 11. OTHER PARAMETERS ....................................................................... 35 11.1. 11.2. 11.3. 11.4. 12. Backlight of weighing result (display backlight) ................................... 36 Adjusting display brightness................................................................ 36 “Beep” sound – reaction on pressing function key ..............................
16.4. Format of data sending ....................................................................... 81 16.5. Format of data sent on pressing of PRINT key ................................... 81 16.5.1. Format of data sent as response for commands generated from a computer ....................................................................................... 82 17. UNDER HOOK WEIGHING ...........................................................83 18. LIST OF COMMANDS COMPUTER – BALANCE ..................
1.
4500g 6000g 8000g Tare range -2100g -10500ct 1000g -1200g -2100g -3500g -4500g -6000g -8000g Min load 0,5g/ 2,5ct 20mg 500mg 500mg 500mg 500mg 500mg 500mg Readability 0,01g/ 0,05ct 1mg 10mg 10mg 10mg 10mg 10mg 10mg Repeatability 0,01g/ 0,05ct 1,5mg 10mg 10mg 10mg 10mg 15mg 15mg Linearity ±0,02g/ 0,05ct ±3mg ±20mg ±20mg ±20mg ±20mg ±30mg ±30mg 13,5 - 16V DC / 1,1 A 2 ppm/°C in temperature +15° - +35°C 195x195mm PS 2100/C/2/CT Dimensions: 8 PS 8000/C/1 PS 6
2. BASIC INFORMATION 2.1. Intended use The purchased balance serves to determine the weighing value of loads in laboratory environment. It is intended for application as a non-automatic weighing instrument only, i.e. the material to be weighed is manually and carefully placed in the center of the weighing pan. Weighing result should be read only after stable reading has been obtained. 2.2. Inappropriate use Do not use the balance as a dynamic weighing instrument.
2.4. Monitoring the metrological parameters of the instrument Metrological characteristics of the balance requires periodical inspection carried out by its operator. Inspection frequency is conditioned by ambient conditions in which the balance is used, types of performed processes and accepted quality management system in an organization. 2.5.
4. UNPACKING, ASSEMBLING AND STARTUP 4.1. Assembling and place of use • • • • • • Balance should be stored and used in locations free of vibrations and shakes, free of air movement and dust. o o Ambient air temperature should not exceed the range of: +10 C ÷ +40 C Ambient relative humidity should not exceed 80%.
Assembling a balance with reading interval 10 mg: Remove the adhesive tape protecting the mass spring on one of the (2), Assemble the weighing pan (1) on the rubber mandrels (3), After assembling the balance components, check whether the weighing pan is firmly placed on the rubber mandrels.
4.3. Leveling Before plugging to mains, level the balance by turning the adjustable feet in a way that the air bubble of the level is in its central ring. The level is located at the back wall of balance’s housing. 4.4. Standard equipment of a balance • • • • Balance. Weighing pan and anti-draft shield elements. Power adapter. User manual. 4.5. Cleaning Balance should be cleaned with damp cloth by gentle wiping the smudges of dirt.
5. BASIC FUNCTIONS • Functions related to measuring units Setting default measuring unit , Weighing in grams [g], Weighing in milligrams [mg] (in balances with d=0,001 g) Weighing in kilograms [kg] (in balances with d=0,01 g) Weighing in [ct], Weighing in units from beyond SI (available only in non-verified instruments: [lb], [oz], [ozt], [dwt], [t], [mom], [gn].
6. KEYBOARD ON/OFF key enables switching on and off balance’s display. If switched off balance components other than the display are powered, and balance is in stand-by mode. F key. Function key, which enables quick entering the settings of an active working mode. MODE key for selecting balance’s working mode. UNITS key, changes measuring units. PRINT/ENTER key - Sends current display status to a peripheral device (PRINT) or accepts selected value of a parameter or function (ENTER).
7. START-UP When plugged to mains, the balance displays name and number of software, and afterwards proceeds to weighing mode. 7.1 Balance temperature stabilization period Before start of measuring processes, it is necessary to wait until the balance is thermally stabilized. It is a period of so called balance self-heating. In case of balances PS series self-heating period takes approximately 30 minutes.
8. USER MENU Balance menu is divided into 7 basic function groups. Each group has individual name starting with capital letter P. 8.1. Moving through user menu An operator moves through balance menu using keys on overlay’s keyboard: Setup key. Entering balance’s main menu. Selecting group of parameters one by one downwards or changing parameter value by one value downwards. Selecting group of parameters one by one upwards or changing parameter value by one value upwards.
Name of function groups and their content: P1 CAL P1.1 iCAL [Adjustment/Calibration] | [internal adjustment] P1.2 ECAL | [external adjustment] P1.3 tCAL | [temperature adjustment] P1.4 ACAL | both/nonE/tenno/tinnE [automatic adjustment] P1.5 CALt | 1 h ÷ 12h [time of automatic adjustment] P1.6 CALr | YES/no [report from adjustment] P2 GLP P2.1 USr P2.2 PrJ P2.3 Ptin P2.4 PdAt P2.5 PUSr P2.6 PPrJ P2.7 PId P2.
[Measuring units] P5 Unit P5.1 StUn | g/mg/kg/ct/lb/oz/ozt/dwt/t/mom/G [basic measuring units – e.g. gram] P5.2 mg | YES/no [mg – milligram] P5.3 └g | YES/no [kg – kilogram P5.4 Ct | YES/no [ct – carat] P5.5 lb | YES/no [lb – pound] P5.6 oZ | YES/no [oz – ounce] P5.7 oZt | YES/no [ozt – troy ounce] P5.8 dwt | YES/no [dwt – pennyweight] P5.9 t | YES/no [t – tael] P5.10 nno | YES/no [mom - momme] P5.11 G | YES/no [gr – grain] P6 Func [Functions] P6.
8.2. Moving through user menu CAUTION Changes introduced in balance memory will be saved on return to weighing with procedure of saving changes. Press ESC/TARE key for several times, until the display shows command SAvE?. When display indicates the above command for saving changes, press one of below options: PRINT/ENTER – save changes or ESC/TARE – abandon introduced changes, and leave to balance menu. After pressing an appropriate key, balance goes back to weighing mode.
9. WEIGHING Before start of weighing process or in case of essential change of ambient conditions at a workstation (e.g. ambient temperature change at a workstation more o than 3 C) the balance requires adjusting. the procedure of balance adjustment is described further in this user manual.
9.1. Selection of basic measuring unit Function is used to set the measuring unit which will be displayed on balance switching on. In order to set the measuring unit go to submenu P5 Units press key for a few times. The display indicates available measuring units in turns. After selecting the basic measuring unit press PRINT key. The balance returns to displaying parameter name.
Available settings: • For verified balances, a user can select from the following measuring units: [g], [mg], [ct] • For non-verified balances, a user can select from the following measuring units: [g], [mg], [kg], [ct], lb], [oz], [ozt], [dwt], [t], [mom], [gn]. Go back to weighing mode with procedure of saving changes (see point - 7.1.2. – return to weighing). CAUTION: On switching on, the balance will start operating with set basic measuring unit. 9.2.
9.3. Setting accessibility of balance working modes This group of parameters enables the user to declare functions (working modes) which are accessible on pressing of MODE key. Enter group of parameters P6 Func.
9.3.1. Selection of working modes available for a user Function enables selecting (by pressing MODE key) which working modes are accessible during weighing function – if all – then select (ALL) and if only one from all available (described below). After setting the parameter press PRINT key. Balance goes back to displaying submenu name P6.1 FFun. If a mode other than ALL is selected, procedure of returning to weighing mode differs from other ones.
If for instance PcS mode is selected, follow procedure in accordance with point 14.1 point, to return to weighing: Press Esc/TARE key, balance returns to weighing.
9.3.2. Means of selecting one of available working modes Balance user can enable or disable modes which are not used in the weighing process. This provides quicker access to modes used on a balance.
Return to weighing (see point 8.2. – return to weighing). 9.4. Dual range balance (PS 200/2000/C) Balance PS 200/2000/C series is a dual range weighing instrument. The accuracy of the I weighing range is d1 = 0,001 g, and of the II weighing range it is d2 = 0,01 g. Transfer from weighing with the accuracy of the I weighing range to weighing with the accuracy of the II weighing range takes place automatically on exceeding Max1 point at 200 g (with no operator activity needed).
10. BALANCE MAIN PARAMETERS It is possible to adjust balance’s operation to ambient conditions at a workstation (by setting filter range and value release parameters) or user requirements (autozero settings, last digit visibility). These parameters are set in group . 10.1. Setting level of filtering Procedure: using UNITS key to select desired value of filter settings StAnd – (normal) – normal operation conditions Slouu – (slow) – harsh operation conditions - vibrations, etc.
The higher filtering setting the longer weighing time.
10.2. Value release Due to various ambient conditions at workstations, and in order to set balance to present conditions, it is necessary to determine the value release parameter as: FAST_rEL, Fast or rEL. Depending on selected option, weighing time will be shorter or longer. Fast_rEL Fast rEL - fast + reliable - fast - reliable. Return to weighing (see point – 8.2. – return to weighing).
10.3. Autozero function In order to ensure balance’s precise mass indication, autozero (Auto) software parameter has been introduced. The application of this function is automatic control and correction of zero indication. When function is enabled, it compares balance indications at declared time interval e.g. 1 s, on conditions that weighing pan is unloaded and display indication is close to zero. If results vary less than declared AUTOZERO range e.g.
10.4. Blanking of the last digit on the display Function enables blanking of the last displayed digit. ALuuAYS nEuEr uu_StAb – always – never – when measurement result is stabilized. Return to weighing (see point – 8.2. – return to weighing).
10.5. Weighing mode RAPID Weighing mode RAPD is located in menu parameter P3.rEAd and it offers two options: RAPID = NO – balance operates with settings as set in menu AUE and CONF, i.e. standard weighing.
11. OTHER PARAMETERS Balance PS series features a set of parameters which enable influencing its functionality. The parameters are contained in group: P7 othEr and they are: backlight and “beep” signal and printout of all balance parameters through RS 232 port. In order to edit the above parameters enter menu group P7 Other.
11.1. Backlight of weighing result (display backlight) OFF On Aut – backlight disabled – backlight enabled – backlight disabled automatically if weighing result does not change within10 seconds. Return to weighing (see – 8.2. – return to weighing). CAUTION: Balance software has implemented option of automatic backlight switch off bl = Aut. In case of this setting, the backlight is switched automatically off if weighing results does not change within 10 seconds.
100 20 no - maximum brightness of display backlight - minimum brightness of display backlight - backlight off 37
11.3.“Beep” sound – reaction on pressing function key OFF On – signal of pressing function key disabled – signal of pressing function key enabled. Return to weighing (see – 8.2. – return to weighing).
11.4.Printout of all balance parameters through RS 232 port After pressing navigating key, balance parameters are sent to a peripheral device connected to balance’s RS 232 port. Return to weighing (see – 8.2. – return to weighing).
12. BALANCE ADJUSTMENT As the gravitational acceleration force has different value at various latitudes and altitudes, a balance should be adjusted to present working conditions. This process should take place at the first installation of the instrument on site and at its every relocation – as in case of ambient temperature changes.
12.1.Internal adjustment Adjustment process can be initiated automatically or manually. Manual means of activating adjustment procedure is realized by pressing CAL key on balance’s keyboard. System of automatic adjustment will carry out the process fully automatically inform the operator on successive process stages.
o adjustment is automatically initiated if temperature changes more than 3 C from last saved temperature. - adjustment triggered by elapsing time. It is possible to declare time intervals which are a criteria for balance adjustment. Accessible settings are: adjustment after 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 hours since last carried out adjustment procedure. CAUTION Declaring time interval for balance adjustment is available only in non-verified balances.
• P1.1 iCAL – Internal adjustment Start of internal adjustment process. Adjustment is conducted automatically, and no operator assistance is required. If weighing pan of the balance is loaded, balance will display a command to unload the weighing pan. If weighing pan is loaded with relativaly small mass (up to 4 % of balance max capacity) than adjustment process will be carried out automatically, but measuring results may differ by the amount that was present on balance weighing pan.
P1.4 ACAL – Automatic adjustment (balances with internal adjustment system) determination of factor, which condirions start of automatic internal adjustment nonE tEmP timE both – none of factors will cause start of adjustment – adjustment triggered by change of temperature – adjustment triggered by time interval set in – adjustment triggered by time and temperature.
P1.5 CALt – Time of automatic adjustment (balances with internal adjustment system) Determination of time interval, after which automatic adjustment process is initiated. P1.6 CALr – printout of adjustment report Printout activated on completion of automatic adjustment procedure balances with internal adjustment balances with external adjustment no – report printout disabled YES – report printout enabled Return to weighing (see point – 8.2. – return to weighing).
12.3. Adjustment test 12.3.1. Balances with internal adjustment Adjustment test is a comparison of internal adjusting weight with its value stored in balance’s memory. This process is automatic and its result is shown on the display (if a balance is connected to a computer or a printer through RS 232 socket, data on adjustment test is printout). Press ESC/TARE key to return to previous display. Return to weighing (see point – 8.2. Return to weighing).
12.3.2. Balances with external adjustment It is mass comparison of external adjustment weight with its value stored in balance’s memory during adjustment process. This process is automatic and its result is shown on the display (if a balance is connected to a computer or a printer through RS 232 socket, data on adjustment test is printout). Press ESC/TARE key to return to previous screen. Return to weighing (see point – 8.2. Return to weighing).
12.4. Manual adjustment 12.4.1. Internal adjustment Press function key or follow below guidelines The balance performs internal adjustment automatically. During adjustment process do not load the weighing pan with any load. On completion of adjustment process, balance saves its result in memory and returns to weighing mode.
12.4.2. External adjustment The external adjustment in balances PS series should be carried out with an external mass standard / weight class F2 Start of external adjustment process balances with internal adjustment balances with external adjustment Balance will display a command ordering unloading of weighing pan unloAd (weighing pan should be empty). When weighing pan is unloaded, press PRINT key. The balance determines mass of empty pan.
12.5. Adjustment report printout On completion of any type of adjustment process, the balance enables preparing a report from adjustment process. The report can be printed on a connected printer and sent to a computer and saved in a form of file for records. Printout process is described in details in point 9.2 of this user manual. The user can select between two options.
13. DETERMINING CONTENT OF A PRINTOUT FOR GLP PROCEDURE P2 GLP is group of the parameters which enables declaring variables that are present on an adjustment printout and printout activated after a measurement. P2 GLP P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 P2.8 • uSr PrJ Ptin PdAt PuS PPrJ PId PFrn | | | | | | | | YES YES YES YES YES YES P2.1 USr The parameter enables determining name of a operator who works with the balance. User name contains maximally 8 alphanumeric characters.
Accessible characters and their equivalents displayed by the balance An instance of a user name inserted to a balance using capital letters takes below form: 52
OP1 WILK (operator1 WILK) An instance of a user name inserted to a balance using small letters takes below form: Op1 wilk (operator 1 wilk) • P2.2 PrJ The parameter enables determining name of a project (e.g. related to a specific type of weighing process). An instance of project name inserted to a balance using capital letters takes below form: PRRRADWAG An instance of project name inserted to a balance using small letters takes below form: prrradwag • P2.
Option determining presence of user name on a printout. • P2.6 PPrJ Option determining presence of project name on a printout. • P2.7 Pld Option determining presence of balance factory number on a printout. • P2.8 PFr Option enabling printing frames on a printout. For above parameters please select one of two available settings: no YES – variable absent on a printout – variable present on a printout Return to weighing (see point – 8.2. Return to weighing).
14. BALANCE WORKING MODES - Weighing mode – bASic Parts counting – PcS Checkweighing – HiLo Percent setup with reference mass determined by weighing – PrcA Percent setup with reference mass determined by a user – PrcB Density determination of solids – d_Co Density determination of liquid – d_Li Totalizing – Add Working mode Fill – FiLL Press MODE key: Pressing MODE key causes display of the first available mode. Each next pressing or key causes displaying name of next available mode.
14.1. Parts counting of the same mass Balance in its standard version is equipped with an option for counting parts and small objects of the same unit mass. Parts counting mode does not cooperate with other working modes of balance PS series.
• in order to select one of the options, e.g.
Use key to select digit value, • • Accept inserted value by pressing PRINT key Display indicates a command LoAd – load the weighing pan with as many details as inserted while determining sample quantity • Press PRINT key – balance indicates sample’s quantity (pcs pictogram is visible on the display) • add remaining parts, the display indicates their total quantity.
CAUTION: While determining sample quantity, and before accepting it, it is necessary to wait until stable measurement pictogram is displayed. Only if visible on balance’s display, it is allowed to accept the declared quantity of parts by pressing PRINT key. Otherwise balance will not accept the measurement. 14.2.
• During setting limit values the following relations occur: 60
SET LOW LIMIT (LOW THRESHOLD) - digit selection; - set digit value; - accept inserted digit value SET HIGH LIMIT (HIGH THRESHOLD) - digit selection; - set digit value; 61 - accept inserted digit value
CAUTION: If by mistake the value of low threshold is set higher than high threshold, balance will indicate error message and return to weighing. Return to weighing 14.3. Percent setup Balance software enables controlling deviation (in %) of weighed loads with determined reference mass. Mass of a reference load can be determined by its weighing (PercA) or entered to balance memory by a user (PercB).
14.3.1. Reference mass determined by weighing • Enter PrcA mode • on balance weighing pan place a load which mass will be accepted as the reference press PRINT to accept this working mode • after few seconds indication 100,00% will be displayed. • From now on the display will not indicate mass of weighed load but deviation of mass placed on the pan in relation to the reference (in %).
14.3.2. Reference mass inserted to balance memory by a user • Enter PrcB mode. Display will indicate as above Using function keys • • Select a digit Select digit value • Determine the value of reference mass, insert it to balance memory and accept it by pressing PRINT key – display will indicate: 0,00% From now on the display will not indicate mass of weighed load but deviation of mass placed on the pan in relation to the reference (in %).
Return to weighing 14.4.Working mode FiLL Working mode FiLL enables two settings: FiLL = NO – mode disabled, i.e. not available in the working modes. FiLL = YES – mode enabled, i.e. available in the working modes. If FiLL is enabled, then the balances operates with settings, that are stored in balance’s settings as default and ensuring quicker operation. The settings automatically decrease Autozero range to 1 reading interval.
Enabling FiLL mode in the working modes The balance operates in accordance with the settings of AUE and CONF options. The options enable setting shorter or longer measurement time. Disabling FiLL mode On disabling FiLL mode, the measurement are carried out in accordance with user settings.
14.5. Density determination of solids and liquids Optional equipment of balances PS series AS is a kit for determining density of solids and liquids. In order to assemble the density kit on the balance, remove the weighing pan and anti-draft shield from the balance. In the place of the weighing pan assemble the weighing pan with stand (1) and place beaker’s basis (2) on it.
14.5.1. Testing thickness solids Density determination of solids can be conducted in two pre-defined types of liquids or user-defined liquid with specified density: • • • H2O (distilled water), 0 C2H5OH (spirit 100% +/- 0.1% in temp. 20 C), AnotHEr (another liquid with specified density) In case of determining density in water or alcohol it is necessary to specify their temperature. For another liquid, its value (density) is inserted from balance keyboard.
14.6. Totalizing Totalizing mode is basically adding the following components in order to prepare a mixture. After adding following component of the mixture, the balance totalizes mass of the mixture and exposes its total mass on the display. During totalizing process mass of each added component is sent through RS232 interface to a connected computer of a printer (e.g. Kafka printer). CAUTION Totalizing mode functions only in grams. Enter the working mode: Add (Totalizing).
Return to weighing: 15. RS 232 FUNCTIONS P4 Print P4.1 P4.2 P4.3 P4.4 P4.5 P4.6 bAud CntA CntB rEPl PStb Lo | | | | | | 4800 YES YES YES YES 0.005 P4.1 bAud - baud rate setting (speed of transmission) P4.2 CntA - continuous data transmission in basic measuring unit P4.3 CntB - continuous data transmission in current measuring unit P4.4 rEPl - setting operation mode for RS 232 output (manual / automatic) P4.5 PStb - stable / unstable measurement for RS 232 transmission P4.
15.1.Baud rate Select required baud rate value - 2400 bit/s - 4800 bit/s - 9600 bit/s - 19200 bit/s. Return to weighing (see point 8.2. – return to weighing).
15.2. Continuous transmission 15.2.1. Continuous transmission in basic measuring unit no – continuous transmission disabled YES - continuous transmission enabled Return to weighing (see point – 8.2. – return to weighing).
15.2.2. Continuous transmission in current measuring unit no – continuous transmission disabled YES - continuous transmission enabled Return to weighing (see point – 8.2. – return to weighing).
15.3. Setting operation mode for RS 232 interface no YES – manual operation (enabled on pressing PRINT key) – automatic operation (enabled on stabilization of weighing result). Return to weighing (see point – 8.2. – return to weighing).
15.4. Determination of data type sent through RS 232 output no YES – sending stable or temporary (unstable) weighing result – sending stable weighing result. Return to weighing (see point - 8.2. – return to weighing).
15.5. Minimal mass required for activation of automatic printout Balance software is equipped with a function for setting automatic operation. While in automatic operation, data will not be transmitted through RS 232 to a connected computer or printer until mass reading is above Lo value. • Press • Press key to select a digit which should be changed; key to change value of selected digit. Return to weighing (see point – 8.2. – return to weighing).
16. COOPERATION WITH A PRINTER OR A COMPUTER CAUTION A peripheral device that is connected to RS 3232 output of a balance, has to be powered from the common low voltage power network equipped with common anti-shock protection in a way to preclude possible occurrence of different potentials in zero cables of the peripheral device and the balance. Transmission parameters programmed in a balance: Baud rate Data bits Stop bit Parity control - 2400 – 19200 bit / s -8 -1 - none.
16.1.
16.2. Printing date with specified date and time Every weighing result can be printed with specification of measurement date and time. The presence of date and time on a printout is conditioned by connection of printers type Kafka 1/Z or Kafka SQ S to a balance. When connected, go to balance menu and set parameters from group P2 GLP: PdAt Ptin - YES - YES 16.3.
16.4.Format of data sending Weighing result can be sent to a peripheral device by pressing PRINT key on a balance keyboard or by setting a control command from computer level. 16.5. Format of data sent on pressing of PRINT key Depending on setting of P4.5 PStb parameter only stable measurement or instantaneous mass indication will be sent.
16.5.1.
17. UNDER HOOK WEIGHING In standard analytical and precision balances loads can be weighed under the weighing pan. Such means of operation requires placing a balance on a uplifted position. RADWAG offers a rack for under hook weighing. The rack is an optional equipment offered for balances PS series.
18.
should be omitted, as they are added only for the purpose of proper legibility.
19. ERROR MESSAGES Er1 Hi - mass out of range on balance start and adjustment Er2 nuLL - value from AD converter ≤ 0 (A/D ≤ 0) Er3 FuL1 - values from A/D converter ≥ maximal converter range (A/D ≥ 0) Er4 FuL2 – maximal capacity of the balance exceeded (over load) Er5 rout – mass value out of range (during adjustment, determining reference for sample quantity and percent setup, etc.
20. ADDITIONAL EQUIPMENT 20.1 Anti-Vibration table It is a very stable basis which eliminates all kinds of vibrations and ground shakes. The inner part of the table holds a marble plate, which is a foundation for balance positioning. 20.2.Rack for under hook weighing The rack is used if under hook weighing option has to be applied. Under hook weighing is necessary if magnetic loads are weighed or during density determination of substances. Racks are also used for measuring absorptiveness of substances e.
20.5.Computer software PW-WIN 2004 – gathering data. Data is gathered in tabiular or chart format. It is possible to calculate statistics from a series of weighing records. RAD-KEY 2000 – implemets a set of commands for controlling a balance, e.g. tarring, start of continuous transmission, cyclic commands set to a balance. REC-FS 2000 – application for control of formulas. It enables creation of a formula, declare tolerance limits for each ingredient and measure mass of each ingredient of a formula.
MANUFACTURER OF ELECTRONIC WEIGHING INSTRUMENTS RADWAG WAGI ELEKTRONICZNE 26-600 Radom 28 Bracka POLAND phone +48 48 38 48 800 fax. + 48 48 385 00 10 e-mail: export@radwag.com www.radwag.
