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Hach POLYMETRON 9125, Руководство оператора

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Transmitter 9125 – Conductivity / resistivity measurement 

 

Page 3 

1.  General presentation of the conductivity / 

resistivity measure system 

Presentation of the 9125 transmitter 

The 9125 transmitter and associated measuring 
sensors has been designed for measuring and 
continuous control of conductivity and resistivity (with 
possibility of temperature measurement) in industrial 
process. 

 

Note : 

The programming is displayed in 6 languages. To 
modify this parameter see

 

§ 4 " Display Menu – 

Choice of the language ".

 

Содержание POLYMETRON 9125

Страница 1: ... 844 278 03 48 Воронеж 473 204 51 73 Екатеринбург 343 384 55 89 Казань 843 206 01 48 Краснодар 861 203 40 90 Красноярск 391 204 63 61 Москва 495 268 04 70 Нижний Новгород 831 429 08 12 Новосибирск 383 227 86 73 Ростов на Дону 863 308 18 15 Самара 846 206 03 16 Санкт Петербург 812 309 46 40 Саратов 845 249 38 78 Уфа 347 229 48 12 Единый адрес hca nt rt ru Веб сайт hach nt rt ru ...

Страница 2: ...ipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference...

Страница 3: ... board lay out in the 9125 transmitter enclosure 17 Main connection 20 Relays connections 21 Sensor connections 22 4 Using the 9125 transmitter 23 Utilization rules for the menus 23 Modification of a value 24 Measures display 24 Main display 25 Display options 25 Display options 26 Choice of the language 26 S DISPLAY Menu 26 UNIT choice 27 TDS choice 27 Temperature UNIT choice 27 Concentration mea...

Страница 4: ...1 OUTPUT 1 2 42 S ALARMS menu 43 ALARM 1 2 limit 44 ALARM 1 2 USP 44 USP mode 45 ALARM 3 Alarm system 47 ALARM 4 Timer 47 S SPECIAL PROG Menu 48 TEST 48 S RS485 Menu 49 SERVICE Menu 50 S POLARIZATION Menu 51 CABLE CAP 51 TEST 51 S AVERAGE Menu 52 S CODE Menu 53 S SOFT ISSUE Menu 54 S DEFAULT VALUES Menu 54 S mA ADJUST Menu 55 S FACTORY Menu 55 6 Polarization 57 Electric representation of the probe...

Страница 5: ...of the 9125 transmitter The 9125 transmitter and associated measuring sensors has been designed for measuring and continuous control of conductivity and resistivity with possibility of temperature measurement in industrial process Note The programming is displayed in 6 languages To modify this parameter see 4 Display Menu Choice of the language ...

Страница 6: ...ansport of electrons whereas in solutions it flows by transport of ions such as Na and Cl which ensure the transport of charges The higher the transport of charges is the greater is the conductance of the solution Conductivity is the capacity a solution has to conduct current In solution conductivity is much more complicated than in conductors because several species ensure the transport of charge...

Страница 7: ...the greater the interactions between these ionic species is Principle of electrolytic conductivity Ohm s law specifies that the current circulating in the dipole is proportional to the difference in potential and resistance of this dipole I E R The resistance of a homogenous environment depends on the geometry of the resitivity characteristic of the material R r 1 K Where r is the resistivity in O...

Страница 8: ...ered with instruction manual 4 cable glands and 2 mounting screws and a specifications conformed certificate Maintenance No particular maintenance required Clean the instrument with a soft tissue and without any aggressive agent OPERATING CONDITIONS Ambient temperature 20 C 60 C Relative humidity 10 90 Power supply voltage fluctuation r 10 Over voltage category 2 Pollution degree 2 as CEI 664 Alti...

Страница 9: ... 2 Kg Material Housing Polyester coated aluminium Screws stainless steel Tightness IP65 Mounting types Wall Pipe Panel Cable glands 2 x PG13 5 2 x PG11 PERFORMANCE 2 electrode probe Cell constant 0 01 cm 1 0 1 cm 1 1 cm 1 Conductivity range 0 01 PS cm 200 PS cm 0 10 PS cm 2 mS cm 1 PS cm 20 mS cm 2 electrode probe Cell constant 0 01 cm 1 0 1 cm 1 1 cm 1 Resistivity range 5 k cm 100 M cm 0 5 k cm 1...

Страница 10: ...layed value or r 0 002 mS K 2 35 r 2 of the displayed value or r 0 004 mS K 10 r 2 of the displayed value or r 0 02 mS 2 electrode r 1 of the displayed value temperature r 0 4 C Temperature sensor Pt 100 Pt 1000 Temperature compensation No Automatic Manual Automatic temperature compensation range 20 200 C 4 392 F Temperature compensation range Linear Non linear ultrapure water HCl and NaCl Sensor ...

Страница 11: ...Logarithmic Maximum load 800 Accuracy 0 1 mA ALARMS Alarm number 4 Function Standard limits Limits according to USP standard Alarm system Timer Hysteresis 0 10 Temporisation 0 999 s Breaking power resistive load 250 V AC 3A max 100 V DC 0 5A max Use a cable rated 105 C and AWG22 to 14 The external cable insulation should be cut as close as possible from the terminal block RS485 Baud rate 300 19200...

Страница 12: ...tter 9125 Conductivity resistivity measurement Page 10 PROGRAMMING Language French English German Italian Spanish Dutch Display Icones graphic zone 80 64 pixels Protection codes Calibration Programming Service ...

Страница 13: ...er x quantity delivered x type of instrument and version accordingly to the instruction plates x accessories 4 cable glands and 2 mounting screws flanges x instruction manual x certificate of conformity to specifications Advice for installation Choose a site where x vibrations are not too excessive x supply relays or commuters are away x maintenance will be easy Note Information It is preferable t...

Страница 14: ...Transmitter 9125 Conductivity resistivity measurement Page 12 Dimensions Dimensions are in mm inches Fig 2 1 Transmitter 9125 dimension ...

Страница 15: ...orm DIN 43700 Panel mounting Panel cutting 138 x 138 mm Front panel dimensions 144 x 144 mm x 2 screws 4 mm lg 16 flat head provided for panel thickness 0 to 4 mm x 2 screws 4 mm lg 20 flat head provided for panel thickness 4 to 8 mm Fig 2 2 Panel mounting Panel cutting 138 x 138 mm 5 4 in x 5 4 in Front panel dimensions 144 x 144 mm 5 8 in x 5 8 in Thickness panel Inferior to 8 mm ...

Страница 16: ...Transmitter 9125 Conductivity resistivity measurement Page 14 Wall mounting x 2 screws 4 mm lg 60 flat head not provided 80 mm center distance Fig 2 3 Wall mounting ...

Страница 17: ...Transmitter 9125 Conductivity resistivity measurement Page 15 Pipe mounting x 2 maximum 2 screws 4 mm lg 60 provided Fig 2 4 Vertical mounting Fig 2 5 Horizontal mounting ...

Страница 18: ......

Страница 19: ...______________________________________ Fig 3 1 Electronic board lay out 1 Terminal block 4 20 mA 2 CPU board 3 RS485 board option 4 Relay board option 5 Choice between an inductive all 4 switches on position I or a 2 electrode Kohlraush probe all 4 switches on position K 6 Programmed EEPROM 7 Conductivity module 8 Power supply board 9 Program update connector 7 1 2 3 4 5 6 8 9 ...

Страница 20: ...ated openings x The main supply and relay cables should be dispatched via the openings behind the shielded plate To remove the plate unscrew the fixing screw on the left side of the plate x Sensor and mA output cables should be dispatched via the openings provided on top of the shielded plate x Check the creeping of the cables when opening the transmitter x It is required to use shielded cables Th...

Страница 21: ..._________________________________________________________ Fig 3 3 Power and relays connections 1 Terminal block connections Analogue outputs 4 20 mA 2 Terminal block connections option RS 485 3 Terminal block connections of the conductivity sensors 4 Earth 1 3 2 4 4 20 mA Sensor ...

Страница 22: ...e a three wire mains supply cable 2 core PE with a cross section between 0 35 and 2 mm AWG 22 to 14 rated at 105 C minimum The external cable insulation should be cut as close as possible from the terminal block x The instrument should be connected to the power supply by means of a breaker located close to the instrument and be identified The supply shall be fitted with an overcurrent protection d...

Страница 23: ...s connected to a 2 separated contact terminal which may be removed to facilitate the installation x The relay operation is configured in the software but the relay switches are always open when the unit is switched off Output current connections mA output The transmitter has two analogue outputs which may be set in 0 20 or 4 20 mA and which are galvanicly insulated from the controller Maximum load...

Страница 24: ...ected to earth on the shielded plate Execute the connections according to the following table Kohlrausch Inductives TEMP blue green TEMP black yellow IN white white OUT red brown GND internal shield internal shield X2 external shield external shield x Use only Hach Ultra Analytics supplied cables Using other types of cables does not ensure the conformity to the electromagnetic compatibility standa...

Страница 25: ...r key is used to validate the selections and the data Both middle keys right and left function keys are defined according to the words and symbols which are displayed above each function key Modify a parameter Select Choose a menu Main Go back to the main display principal Menu Display the main menu Disp2 Display screen 2 Disp3 Display screen 3 OK Validate the measure during a calibration Increase...

Страница 26: ...se the display for at least 10 minutes the instrument returns to the measuring mode except for the calibration and maintenance mode x An access code may be required for the calibration programming and service menu see CODE menu Measures display Measures display allow to display measures and state of the device There are three Reference Description c Main display d Alarm state e Function keys 26 8 ...

Страница 27: ...e Display 2 S1 S4 alarm status S1 activated by a temperature 30 0 C S2 inactive S3 in alarm system S3 closed by a temperature 20 0 C S4 not used Display 3 Analogue outputs allocation measure or temperature Display of each output value with a bargraph mA indication 26 8 mS cm 25 0 C Disp2 Menu S1 S2 S3 S4 S1 S2 OK S4 Not used Disp3 Main S1 S3 C 30 0 C 20 0 I1 Measure I2 Temp 6 7 mA Main ...

Страница 28: ...lect to select DISPLAY and press Enter x Select the language of your choice with the right function key Press Enter S DISPLAY Menu UNIT choice of the display of conductivity resistivity measurement x S cm x cm x S m x m TEMP choice of the temperature measurement x C x F LANGUAGE choice of the message language x French x English x German x Spanish x Italian x Dutch Press Esc to go back to the DISPL...

Страница 29: ...e displayed in concentration units in ppt pare per thousand ppm part per million ppb part per billion according to the measurement level When the option TDS is not selected No measurements are displayed in cm or S cm according to the unit selected Menus for calibration of the TDS measurement are not displayed anymore Temperature UNIT choice Allow to choose a temperature display between Celsius or ...

Страница 30: ...s given by the white part of the next board The unit of the conductivity is μs cm Weight ppm NaCl NaOH NH4OH NH3 HCl H2SO4 HNO2 HF SO2 Acid Acetic 0 0001 1 2 2 6 2 4 1 6 6 11 7 8 8 6 8 10 6 4 4 2 0 0003 3 6 5 8 3 8 3 12 50 61 20 30 18 7 4 0 001 10 21 4 61 1 17 27 116 85 6 67 99 54 15 0 003 30 64 182 31 49 340 251 199 290 150 30 6 0 01 100 210 603 58 84 1140 805 657 630 450 63 0 03 300 617 1780 102...

Страница 31: ...he CALIBRATION menu enables to adjust the instrument measurement according to the reference measurements x The MAINTENANCE menu enables to intervene on the instrument x The PROGRAMMING menu enables to program the instrument according to the application x The SERVICE menu is reserved to qualified servicing personal CALIBRATION MAINTENANCE PROGRAMMING SERVICE MENU Select ...

Страница 32: ...ibration With the help of the select function touch choose COND CALIB option Two options appears x PROGRAMMING allows to choose the electric conductivity calibration type 2 points 1 point x EXECUTION will allow to do the desired calibration type Select to Programming and press enter Select the calibration type and press enter TDS CALIB COND CALIB TEMP CALIB PARAMETERS HISTORIC CALIBRATION Select E...

Страница 33: ...e probe from liquid or unscrew the connector from the probe For the second point connect a resistance to the IN OUT terminal of the conductivity module x With an inductive probe For the first point remove the probe from liquid For the second point connect a resistance with a looped wire through the probe TYPE Elect R 200 COND CALIB Select ...

Страница 34: ...r enters this solution value when calibrating Note Warning This calibration is only active on the slope The first point of the electric calibration and 2 point calibration enables to realise an internal electronic calibration and to measure the cable capacity with a 2 electrode probe It is mandatory to realise one of both calibrations when starting the MONEC D9125 for the first time For the second...

Страница 35: ...hes 10 to 20 seconds x Press ENTER to accept the zero calibration x Immerse the probe in the calibration solution x When the measure is stable press OK x Change the value displayed if you want x Modify the date of the calibration if necessary by pressing on the right function touch To validate the calibration parameters press ENTER ESC does not validate the parameters and the former calibration pa...

Страница 36: ...vity The measurement TDS is displayed as well as the conductivity value as secondary measurement Proceed to the following steps x Press the function key OK x Change the displayed value and enter the sample value TDS x The instrument indicates the result of the coefficient calculation TDS and press ENTER Temperature calibration With the help of the right function touch choice select the programming...

Страница 37: ...ectric calibration Lancer l exécution après avoir configuré l étalonnage en étalonnage électrique x The transmitter requires the connecting of the first resistance x Press Enter x Repeat the same procedure for the second resistance Process calibration Proceed as follows after you have configured a process calibration x Wait till the measurement is stable and press the right function key OK x You h...

Страница 38: ...e displayed when the date is registered x Slope of the last calibration which is a correction factor of the conductivity probe slope x Si la mesure est effectuée en TDS le coefficient de proportionnalité entre la conductivité et la concentration x Drift of the temperature measurement HISTORIC Menu This menu displays the conductivity slopes corresponding to the last two conductivity calibrations an...

Страница 39: ...ge 37 MAINTENANCE Menu When changing or cleaning a probe or servicing the instrument the transmitter continues to display measures The analogue output value is the value programmed in the mA menu The relay status is not modified 6 98 mS cm 26 4 C MAINTENANCE ...

Страница 40: ... be required if programmed This menu enables the configuration of the instrument according to its application In this operating mode the measurements the analogue outputs and alarms remain active MESURE SORTIES mA ALARMES RS485 PROGRAMMATION Choix MESURE MESURE mA OUTPUTS ALARMS RS485 PROGRAMMING Select MEASURE ...

Страница 41: ...ce of the electrode Inductive or 2 electrodes Note Check both switches of the conductivity module are correctly positioned K 2 electrodes I inductive K XXXX Adjustment of the cell constant FREQ Auto 8000 4000 2000 1000 500 250 125 62 5 Choice between an automatic adjustment of the frequency according to the measurement or one of the pre programmed frequencies see Chapter 5 for further details Only...

Страница 42: ...lity to enter the reference temperature COMP Coef HCl NaCl Possibility to choose the temperature compensation COEF XX Possibility to enter the coefficient value TDS coefficient adjusting TDS coefficient adjusting is directly in the MEASURE menu Utilize the left function touch to choose the TDS adjusting TDS Choose the TDS coefficient which is necessary to calculate the solution concentration Utili...

Страница 43: ...Transmitter 9125 Conductivity resistivity measurement Page 41 S mA OUTPUTS Menu This menu allows to adjust analogue outputs OUTPUT 1 OUTPUT 2 SPECIAL PROG TEST mA OUPUTS Select ...

Страница 44: ...nalogue output type x 0 20 mA x 4 20 mA MODE choice of operating mode linear logarithmic or dual In logarithmic mode the beginning of range should be different from 0 x Lin x Log x Dual LOWER limit value programming MIDD middle value only in dual mode UPPER upper limit value programming AFFECT TYPE 0 20 mA MODE Dual LOWER 10 0 mS MIDD 15 0 mS UPPER 20 0 mS OUTPUT 1 2 Select S ...

Страница 45: ...allows to choose the operating mode of the 4 alarms Limit alarms 1 4 USP only alarms 1 and 2 System only alarm 3 Timer only alarm 4 MODE x No x Limit x USP x System x Timer ALARM 1 ALARM 2 ALARM 3 ALARM 4 ALARMS Select MODE Syst ACCEPT Manual RELAY NO ALARM 3 Select System MODE Timer INTERV 2440 mn Impul Nb 1 Ton 005 s Toff 005 s TmA 20 mn ALARM 4 Select Timer ...

Страница 46: ...max RELAY choice of the relays normally opened or closed x NO x NF ALARM 1 2 USP The TEMP menu allows the temperature to be entered in cases where no measurement is provided by Pt100 Pt1000 If temperature is measured automatically this menu is not displayed The LEVEL menu is used to set the safety margin with respect to the USP standard with a level of 50 the 1 9 μS cm threshold 50 C drops to 0 95...

Страница 47: ... curves a curve W F I for conductivity measurements in high purity water or for injectable preparations cf table 1 a curve P W for conductivity measurements in purified water cf table 2 NB This function is only possible in 2 electrode measurements and when temperature compensation has been deactivated T C Non compensated conductivity PS cm T C Non compensated conductivity PS cm T C Non compensated...

Страница 48: ...o the value of the threshold associated with the USP temperature immediately below the measured temperature i e 20 C and 25 C in the previous example T C Non compensated conductivity PS cm T C Non compensated conductivity PS cm T C Non compensated conductivity PS cm 0 2 4 35 5 95 70 9 1 5 3 0 40 6 5 75 9 7 10 3 6 45 6 8 80 9 7 15 3 95 50 7 1 85 9 7 20 4 3 55 7 6 90 9 7 25 5 1 60 8 1 95 9 95 30 5 4...

Страница 49: ...en or closed RELAY x NO x NC ALARM 4 Timer In case of an alarm 4 choice between a limit or a timer function MODE x No x Limit x Timer INTERV interval between two cleaning cycles in minutes Impul Nb number of pulses during a cleaning cycle Ton time when relay is activated in seconds Toff time when relay is desactivated in secondes TmA hold time for the analogue outputs in minutes MODE Syst ACCEPT M...

Страница 50: ... CALIBRATION SYST ALARM MODE choice of a preset value during calibration alarm system or maintenance or timer x last x preset x live VALUE indication of the preset value 0 to 21 mA TEST TEST menu test the analogue outputs by step of 1 mA 0 21mA MODE VALUE 00 mA SPECIAL PROG Select Preset CALIBRATION SYST ALARM SPECIAL PROG Select MAINTENANCE VAL TEST Select 12 mA ...

Страница 51: ...ity bit Odd With even parity bit Even BIT STOP 1 bit stop 2 bits stop SWAP WORD Allow to reverse the strong weight light weight size during the manipulation of the real variable float type Some equipment need this reverse to read correctly the real size data The communication protocol is MODBUS JBUS The instrument may be equipped with a RS485 board optional see MODBUS 9100 manual N 4 BAUD 9600 PAR...

Страница 52: ...E Menu Note An access code may be required if it has been programmed This screen allows to reach the 9125 transmitter configuration screens The display options are detailed page 26 POLARIZATION AVERAGE DISPLAY CODE SOFT ISSUE DEFAULT VAL mA ADJUST FACTORY SERVICE Select ...

Страница 53: ...ure the electrode cable capacity It is mandatory to disconnect the probe connector to measure the capacity or to make an electric calibration TEST TEST measure the electrode polarization see Chap 5 An error message is displayed if the polarization is superior to 0 25 CAP CABLE TEST POLARIZATION Select CAPACITY 1 02 nF CABLE CAP POLARIZATION 0 15 TEST CABLE CAP ...

Страница 54: ...AGE define the number of measures to calculate the average TEST visualize the difference between a measure done with or without average Note The measurement cycle lasts 4 seconds if there is a temperature measurement and only 2 seconds without temperature measurement AVERAGE 28 3 mS cm REAL 27 9 mS cm TEST AVERAGE 9 TEST AVERAGE Select TEST ...

Страница 55: ...cess code for temperature and conductivity calibrations menu PROG access code for Programming menu SERVICE access code for service menu Note If you have forgotten your access code press simultaneously ESC and ENTER to enter into the menu CALIB PROG 0000 SERVICE 0000 CODE Select 0000 ...

Страница 56: ...ransmitter displays the type of instrument and the software version installed S DEFAULT VALUES Menu Note If you press YES you load the default values and you loose the programmed values and the calibration parameters MONEC 9125 Cond X XX SOFT ISSUE Loading values default DEFAULT VAL Yes ...

Страница 57: ...Page 55 S mA ADJUST Menu This menu adjustment of the analogue outputs to 20 mA with an internal coefficient between 9999 9999 S FACTORY Menu Factory code necessary The user has no access to this menu OUTPUT 1 OUTPUT 2 mA ADJUST Select VALUE 0000 OUTPUT 1 2 ...

Страница 58: ......

Страница 59: ... electrodes and by ionic migration in the solution measured An electron exchange process occurs between the solution and the electrodes A significant example below 2 H2O H O2 4e and 2 H2O 2e H2 2 OH This reaction requires energy and causes a potential difference which does not rely on conductivity This phenomenon is known as polarization and may be represented by the scheme below Cp Rx Cc V Polari...

Страница 60: ...ent according to the conductivity measurement 0 1 1 10 Cond theo Cond meas 1E1 1E2 1E3 1E4 1E5 real conductivity uS cm Auto frequency 62 5 Hz 8000 Hz Probe 8317 K 1 100 m of cable In the example below 3 measuring ranges are described x measuring range 1 μS cm to 100 μS cm When the measuring frequency is high the cable capacity becomes important and induces an error in the conductivity measurement ...

Страница 61: ...larization becomes important and induces an error in the conductivity measurement It is required to use a high frequency Automatic adjustment of the frequency The 9125 adjusts automatically the measurement frequency according to the conductivity measured the cable capacity and the polarization The cable capacity is measured in the calibration of the first calibration point or in the menu SERVICE P...

Страница 62: ......

Страница 63: ...ensor damaged Replace it if necessary Sensor not correctly connected Temperature sensor damaged Replace it if necessary The resistivity value is inferior to the lower limit of the measuring range The conductivity value is superior to the upper limit of the measuring range The electrode polarization is too high 10 3 mS cm Pt100 Pt1000 SHORT CIRCUIT 12 7 mS cm Pt100 Pt1000 OPEN CIRCUIT 60 cm MEASURE...

Страница 64: ...librate again The electronic zero shift is superior to the limit programmed Calibrate again The slope shift is superior to the limit programmed Limits 50 150 The temperature drift is superior to the limit programmed Limits r 20 C OFFSET OUT OF LIMITS SLOPE 162 SLOPE OUT OF LIMITS T 30 0 C T OUT OF LIMITS COND CALIB COND CALIB TEMP CALIB ...

Страница 65: ...MEASURE No TEMP 025 0 C TREF 025 0 C COMP Coef COEF 2 0 ALARMS ALARMS S1 AFFECT S LIMIT 10 0 mS DIR Down DELAY 000 s HYST 00 RELAY NO ALARMS S2 AFFECT S LIMIT 10 0 mS DIR Down DELAY 000 s HYST 00 RELAY NO ALARMS S3 AFFECT S LIMIT 10 0 mS DIR Down DELAY 000 s HYST 00 RELAY NO ALARMS S4 AFFECT S LIMIT 10 0 mS DIR Down DELAY 000 s HYST 00 RELAY NO mA OUTPUTS OUTPUT 1 AFFECT S TYPE 4 20 MODE Lin LOWER...

Страница 66: ...SPECIAL PROG MAINTENANCE MODE Last TIMER MODE Last CALIBRATION MODE Last SYST ALARM MODE Last RS485 No 1 BAUD 19200 PARITY No STOP BIT 1 SWAP WORD No SERVICE AVERAGE AVERAGE 1 DISPLAY DISPLAY UNIT S cm TEMP C LANGUAGE GB CODE CODE CALIB 0000 PROG 0000 SERVICE 0000 ...

Страница 67: ...5 power supply low voltage version 09125 A 4000 Relay board option 09125 A 1101 RS485 board option 09125 A 2485 RS485 kit JBUS MODBUS manual board 09125 C 3000 Mounted transmitter housing 425 110 221 Cable gland PG11 425 135 222 Cable gland PG13 5 351 007 001 Strap FLEXPAC 7 PTS 621 091 025 French instruction manual 621 191 025 English instruction manual 621 291 025 German instruction manual 621 4...

Страница 68: ...43 384 55 89 Казань 843 206 01 48 Краснодар 861 203 40 90 Красноярск 391 204 63 61 Москва 495 268 04 70 Нижний Новгород 831 429 08 12 Новосибирск 383 227 86 73 Ростов на Дону 863 308 18 15 Самара 846 206 03 16 Санкт Петербург 812 309 46 40 Саратов 845 249 38 78 Уфа 347 229 48 12 Единый адрес hca nt rt ru Веб сайт hach nt rt ru ...

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