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Schmidt eZT Operating Instructions Manual Download Page 16

6-2. Multi display

Display force value on the middle display.
The contents on the header and footer 
are selectable.

15

16

The force gauge detects the force applied to the direction of a measuring shaft.
The measurement is done on Peak mode or Track mode.

5. Basic Operation

Power on

Press

Functions

Operation

Description

Shut off

Hold for 
more than 
one second.

Zero values

Peak / Track mode

Press

Memory saving /

Dada sending

Press

Press

Turn on power.  The introduction 
message shows up first, and 
measurement can be started 
after the message disappears.  
The introduction message and 
multi display (Header) show time 
setting.
Turn off power.

Zero values.  
Refer to the page 21 for detail.

Toggle Peak mode and Track 
mode.

Save data to the internal 
memory.  Enable to send data to 
PC and other equipments at the 
same time.  Refer to the page 21 
for detail. 

6. Single display / Multi display

Select either Single display or Multi display.
Refer to the page 27 for detail of toggling.

6-1. Single display

Display force value only.

* Displacement value can be checked on 
  Multi display (ZTA, eZT only).

6-3. Setting of Multi display

Press            (MENU button) at measurement-ready display and the header lights on.  

Press                      (SEND, PEAK button) to select contents while lighting on.  

Press            (MENU button) and the footer lights on.  

Press                      (SEND, PEAK button) to select contents while lighting on.  

Press            (MENU button) and go back to measurement-ready display.

Single display

Multi display

6-2. Multi display

Display force value on the middle display.
The contents on the header and footer 
are selectable.

15

16

The force gauge detects the force applied to the direction of a measuring shaft.
The measurement is done on Peak mode or Track mode.

5. Basic Operation

Power on

Press

Functions

Operation

Description

Shut off

Hold for 
more than 
one second.

Zero values

Peak / Track mode

Press

Memory saving /

Dada sending

Press

Press

Turn on power.  The introduction 
message shows up first, and 
measurement can be started 
after the message disappears.  
The introduction message and 
multi display (Header) show time 
setting.
Turn off power.

Zero values.  
Refer to the page 21 for detail.

Toggle Peak mode and Track 
mode.

Save data to the internal 
memory.  Enable to send data to 
PC and other equipments at the 
same time.  Refer to the page 21 
for detail. 

6. Single display / Multi display

Select either Single display or Multi display.
Refer to the page 27 for detail of toggling.

6-1. Single display

Display force value only.

* Displacement value can be checked on 
  Multi display (ZTA, eZT only).

6-3. Setting of Multi display

Press            (MENU button) at measurement-ready display and the header lights on.  

Press                      (SEND, PEAK button) to select contents while lighting on.  

Press            (MENU button) and the footer lights on.  

Press                      (SEND, PEAK button) to select contents while lighting on.  

Press            (MENU button) and go back to measurement-ready display.

Single display

Multi display

Summary of Contents for eZT

Page 1: ...Series Model ZTS ZTA ZTS DPU ZTA DPU eZT Edition ZT 02 E Operating Instructions Valid as of 01 01 2022 Firmware 5 0 or later Please keep the manual for future reference S C H M I D T c o n t r o l i n s t r u m e n t s ...

Page 2: ... the power is on In this case please stop applying force immediately The sensor breaks down when it is overloaded The sensor breaks down when apply force to bend or twist the measuring shaft Cautions of use Use this product only for measurement Read these instructions before using this product Use it based on this instruction Avoid misuse or rough treatment Do not disassemble or tamper with this p...

Page 3: ... this is 0 to 40 Celsius degrees In order to carry out more exact measurement please use it by temperature within the limits set to the inspection certificate Please turn on the power 10 minutes before starting measurement in order to stabilize the indication of value Cautions on safe During destruction breaking points or performing another test where fragments could fly out always wear protection...

Page 4: ...Stand with Liner Scale 9 2 Connecting to Other Liner Scale 9 3 Display of displacement 9 4 Display of displacement at Peak Force 9 5 Displacement ZERO 31 32 33 36 37 38 39 40 41 41 42 42 42 43 44 45 46 47 48 49 50 51 51 58 Peak Value 1st 2nd Peak Value ZTA eZT only Output 12 1 Output to USB memory ZTA eZT only 12 2 USB output output to PC 12 3 Output on RS232C USB 12 4 Analog output 12 5 Wireless ...

Page 5: ... easy operation The high speed data sampling 2000 data sec also helps more accurate measurement even for the measurement of sudden force change such as destruction test With eZT series one amplifier can be connected to various load cells of your choice The accurate graph can be made with optional software which supports evaluation and analyze of measurement Please make sure to thoroughly read this...

Page 6: ...ious kinds of load cell other than DPU are available 1 Models ZT series consists of ZTA series with USB memory connection and displacement output function and ZTS series without the connection and function The separated sensor models are also available eZT series enable one amplifier to connect to various load cells of your choice eZT series have same functions as ZTA series ZTA ZTS 2N ZTA ZTS 5N ...

Page 7: ...to set comparator values Detect force values of tensile and compression measurement Various kinds of attachment can be attached Recharge battery with AC adaptor For data sending to PC with USB cable included ZTA only Save data on USB memory excluded Connect with other equipments i e test stand and PC with optional cables to control the force gauge and the equipments Rechargeable battery inside The...

Page 8: ...ive To re start the operation return to the Menu button cancel the screen saver and re start Display 7 2 Names and Functions Continuous use of the Force Gauge During continuous use of the Force gauge the use of the screen saver Function highly recommended to protect the display from burn in Single Display Multi Display Screen Saver function This force gauge equips with a screen saver function It s...

Page 9: ...id Holding measuring values hold is displayed instead of mem on Multi display while holding values USB memory On Connected Flashing Sending data 1 mem is displayed on Simple display while USB memory is connected Header Refer to page 17 6 Single display Multi display Middle display Footer Refer to page 18 6 Single display Multi display 1 Only for ZTA Load cell Sensor Display unit The load cells for...

Page 10: ... necessary when transport to protect the force gauge and its sensor Accessories of ZTA ZTS Instruction manual This book Inspection certificate Warranty AC adapter Carrying case 8 attachments USB cable Driver CD ROM Force Recorder Professional Trial Reverse sticker Except for Separated sensor model and eZT Adapter for USB memory ZTA eZT only For standard Type A capacity up to 100N Type S capacity f...

Page 11: ...ncluded to ZTA ZTS DPU 1000N to 5000N No attachments are included to ZTA ZTS DPU 10kN and 20kN The sensor has female screw eZT does not include either load cell or attachments 4 Installation Bolts B 8 Small Hook B 1 Flat Tip B 2 Chisel Tip B 4 Conical Tip B 3 Notched Tip B 5 Extension Shaft B 6 2 Exclusive Handles B 7 For high capacity Type B are included 2500 and 5000N capacity models ...

Page 12: ...ause damages otherwise The battery may be dying when charged power is low or not charged at all Replacement of battery is recommended Please refer to the page 41 Please note the date and time setting is reset when battery dies and replaced When AC adaptor remains connected it automatically starts recharging again The product may temporarily get warm while recharging When the product is connected t...

Page 13: ...of ZTA series When connection is unsuccessful the image on the right appears Please check whether the connector is plugged properly Connected Disconnected unsuccessful Please refer to page 42 13 3 Overall Accuracy of eZT and eZ Connect load cell eZT only for overall accuracy When the eZ Connect load cell is not connected properly the following functions are disabled Any button operations except fo...

Page 14: ... damage For safety please mount an attachment while checking a display value The point where force is applied should come to the point where a hook crosses an extension of the gauge measuring shaft when you use a hook attachment If force is applied at a tip of hook it may bend or break and is very DANGEROUS The weight of attachment is detected as force to the sensor We recommend the weight of atta...

Page 15: ...e on the test stand High capacity model Attach the included four installation bolts B 8 to the force gauge Mount the force gauge to a mounting plate of a test stand and mount the plate on the test stand Refer to the instruction manual of test stand for detail Make sure to use the screw with the length shorter than 6 mm Standard model Make sure to use the included bolts B 8 to mount ZTA ZTS 2500N a...

Page 16: ...mory Enable to send data to PC and other equipments at the same time Refer to the page 21 for detail 15 The force gauge detects the force applied to the direction of a measuring shaft The measurement is done on Peak mode or Track mode 5 Basic Operation Power on Press Functions Operation Description Shut off Hold for more than one second Zero values Peak Track mode Press Memory saving Dada sending ...

Page 17: ... display Display force value only Displacement value can be checked on Multi display ZTA eZT only 6 3 Setting of Multi display Press MENU button at measurement ready display and the header lights on Press SEND PEAK button to select contents while lighting on Press MENU button and the footer lights on Press SEND PEAK button to select contents while lighting on Press MENU button and go back to measu...

Page 18: ...NG Displacement Average Multi Display Menu on header 1 Test stand with linear scale option is needed The number of force value exceeding set comparator High value Zero with ZERO button while this content lights on 17 Refer to the page 20 for how to set 6 Single display Multi display Contents Description Valid Model Header Time ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT ZTA eZT ZTA ZTS eZT Time Date ZTA Z...

Page 19: ...and P2 shows 2nd peak values The rate of force value among capacity Peak 1st 2nd peak ZTA ZTS eZT Set comparator High Low values Enable to set the values with MENU button while this content lights on Change values with ON OFF ZERO button and enter with MENU button Comparator High Low values Force bar graph Multi Display Menu on footer Show the latest memory data Press MENU button to show all the m...

Page 20: ...o Setting menu with PEAK button Go back to Main menu with SEND button 5 Select menu in Setting menu with ON OFF ZERO buttons and enter the setting with MENU button The setting can be saved only when entered with MENU button 6 The display automatically goes back to Sub menu after entering Go back to Main menu with SEND button 7 Push to show Exit Menu and go back to measurement ready display with ME...

Page 21: ...isplacement scale Refer to the operation manual of test stand for detail Enable to manually set at Manual Refer to the page 28 29 for detail ZTA ZTS eZT ZTA eZT ZTA eZT 2 Max High Medium Low Sensitivity Max Change sensitivity of force measurement Max is the highest sensitivity Max is suitable for rapid change like impact test ZTA ZTS eZT Initial Setting Setup Menu Main menu Sub menu Setting menu D...

Page 22: ...d into the inner memory when press SEND and sent to external equipments via USB RS232C ZTA ZTS eZT 3 21 7 Initial Setting Main menu Sub menu Setting menu Description Initial setting Valid model All reset Zero Tare Reset All reset Peak only Select zero contents All reset Zero all the displayed values Peak only Press the button to zero peak value Hold the button to zero the measuring force value Dis...

Page 23: ...FF Wireless Setting Wireless output OFF Enables the wireless transmission adapter sold separately Refer to the Wireless Transmission Adapter Operating Manual for details ZTA ZTS eZT ON OFF Setting LOCK OFF It prevents unintentional changes of settings When it is ON function setting menu would not show therefore the settings such as comparator cannot be changed Set it OFF to unlock ZTA ZTS eZT ZTA ...

Page 24: ...ting menu with SEND button Go back to Main menu with PEAK button 4 Select menu in Setting menu with ON OFF ZERO button and enter the setting with MENU button The setting can be saved only when entered with MENU button 5 The display automatically goes back to Sub menu after entering Go back to Main menu with SEND button 6 Push to show Exit Menu and go back to measurement ready display with MENU but...

Page 25: ...Menu Main menu Sub menu Setting menu Description High 0000 to 9999 0000 to 9999 High Low Setpoints Low Set Hi and Low values LED and output signal show whether the measurement value is below within or above the set values NG Displayed value Low setpoint OK Low setpoint Displayed value Hi setpoint NG Displayed value Hi setpoint High Low Output Value no 2 Value no 1 0000 to 9999 0000 to 9999 Initial...

Page 26: ...ero values Each time Zero displacement value whenever the force value reaches to the set reset value 25 8 Function Setting Peak Functions and or Peak and or Auto Peak Memory ON OFF and Both compression and tensile peak values are displayed in order of compression peak tensile peak force value with PEAK button or Either compression or tensile peak value which is higher absolute value is displayed R...

Page 27: ...mory Export to USB Disconnect USB memory from force gauge Transport data in internal memory to USB memory Refer to the page 28 for detail Select data to directly save to USB memory Cont Data 100 50 1Hz Save real time data of selected interval up to 3 settings from 100 data sec to 1 data sec Single Data Save a single data ZTA ZTS eZT ZTA ZTS eZT 1 A test stand with linear scale option is needed to ...

Page 28: ...a and Time Date Set Year Month Date Date Time setting Hour is on 24 hours basis Time Set Hour Minute 27 8 Function Setting Valid model ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT Main menu Sub menu Setting menu Description Initial setting 2 Bright mode consumes the battery more than Power Save mode Display Functions Display Format Single Display Multi Display Brightness Bright Powe...

Page 29: ...u choose Manual in Displacement type you can input Manual coefficient values from Set up Torque Gauge of Force Logger Included software or Force Recorder Optional software This window is opened by the following procedures Force Logger Gauge Setup in menu bar Gauge Setup Force Recorder Setting in menu bar Set up Force Gauge Please refer to Displacement Type in Initial Setup 1 of Set up Force Gauge ...

Page 30: ...ted their working condition with ZTA and eZT Please contact us for further information Voltage and current from a HTGA torque gauge to a displacement meter ZTA series and eZT can provide voltage up to DC 5V and current up to 200mA to displacement meters When you would like to supply power from a ZTA and eZT to external equipment please Make sure to connect it to an included AC adapter Operation of...

Page 31: ...s to the force value on the middle display on Multi display The displacement is not displayed when 1st Peak 2nd Peak and 1st 2nd Peak is chosen as SEND button setting In this case the displacement can be only saved and sent to external equipment Send Functions Refer to page 21 9 5 Displacement Zero Zero displacement only Press MENU button at measurement display and choose displacement on the heade...

Page 32: ...on and tensile peak values is displayed Press PEAK button and peak value measuring value and peak value are displayed in order In case of AND at Peak mode both peak value of compression and tensile are displayed Press PEAK button and compression peak tensile peak measuring value and compression peak are displayed in order In case that sign is chosen as Reverse tensile peak compression peak and mea...

Page 33: ...page 25 After force value increases the peak of curve is detected as the 1st 2nd peak when the force value decreases by more than the set peak drops See above picture The set peak drop should be absolute value The 1st and the 2nd peaks can be detected on one direction compression or tension The direction of the 2nd peak follows one of the 1st peak 11 1st 2nd Peak Value ZTA eZT only The 2nd peak Th...

Page 34: ...s more consumed when connected to USB memory Please charge the battery frequently or keep the AC adapter connected to ZTA and eZT when use for a long hours Some USB memory may not be used even meeting the above conditions Please try another USB memory Please do not connect other equipment such as USB fan and USB cleaner 12 1 Output to USB memory ZTA series and eZT only ZTA and eZT can be connected...

Page 35: ...ansport ends Data in the internal memory is not deleted when transported Please delete it when needed Please refer to the page 50 51 for file format of USB memory The data is transported to the new file of USB memory Not re written Program Menu USB Memory Export to USB 12 1 3 Data saving at real time When either Cont Data 100 50 or 1Hz is selected under USB Memory Save Data Setting settings the re...

Page 36: ...created with this operation It may pause a while before Data Saved message appears when saving for the first time after USB memory is automatically found Start and stop of saving While MEM mark shows up press SEND button to start saving data in USB memory Press SEND button again to stop saving MEM mark blinks during saving Please refer to the page 50 51 for file format of USB memory The data is sa...

Page 37: ...an differ between one displayed on ZTA and one saved in USB memory because of the speed difference Optional software Force Recorder is recommended for measurement with sudden force change such as destruction test Force Recorder can receive 2000 data sec the same speed of ZT series Do not disconnect USB memory during saving Please make sure to follow the direction to disconnect USB memory otherwise...

Page 38: ...uded CD ROM to PC and follow the direction of Force Logger Installation manual Installation of driver is necessary for data logger software Force Logger included and graphing software Force Recorder optional 12 2 3 Installation of data logger software Force Logger Install data logger software Force Logger after installation of driver Select CD drive in My Computer and click an icon of Setup CD ROM...

Page 39: ...ponses when receive code CR The force gauge sends E CR when a wrong command is sent Gain with Command CR code Please refer to the page 51 58 for commands in detail 12 3 Output on RS232C USB Connecting with external equipments data transport and control of force gauges are possible The connection is based on RS232C optional cable and USB included cable Data bits Stop bit Parity bit Transmission rat...

Page 40: ...ith resistance 1kΩand more 12 4 2 Analog output RAW optional spec The raw analog data is output without digital processing The response speed is fast but zero reset is invalid Noise may also be detected as the data is not filtered Output voltage is approx 1v when max force is applied The voltage may differ depending on load cells of separated sensor model Connect to the external equipments with in...

Page 41: ...d separately for the Wireless Transmission of the measurement values Settings as follows When the Wireless Output ON there are restrictions such as some functions that cannot be used at the same time Refer to the Wireless Transmission Adapter Operating Manual for details Setup Menu Wireless Setting Wireless Output ON ...

Page 42: ...ith the carrying case to protect the gauge 13 1 Battery Change The force gauge has rechargeable battery inside If the battery is worn out soon after charging or not charged at all the battery is dying Please change the batteries Battery model BP 308 The direction is as follows Turn off the force gauge Loosen the two screws on the back of force gauge and remove the battery cover Take the battery ou...

Page 43: ...egrees Celsius Humidity 30 65 RH We do not issue certificates for passing the checks although only the products that have passed those tests are shipped 13 3 Overall Accuracy of eZT and eZ Connect load cell eZT only Overall accuracy is calculated as below e g eZT and eDPU 50N eZT and eZ Connect load cells can be used in various combination therefore each is tested individually The amplifier and th...

Page 44: ... of sensor separated model is W75 x D34 x H191 regardless capacity 8 USB flash drive is not included 43 15 Specifications Unit of measurement Display Display update Sampling rate Battery Overload capacity Operating environment Accuracy Feature Model Output Overload warning Functions ZTA ZTS Advanced model with various functions such as data saving in USB memory stick displacement I O and more eZT ...

Page 45: ...st Stand High capacity 16 Optional Items MX2 500N Motorized Test Stand Optional Attachments Various kinds of attachments are available corresponding to very diverse shape of samples FP 50 Fine Point Chuck GR 30 Knurled Cam Grips KC 1001 Wedge Grips FC 20 Film Grips GT 30 Vise Grips Handle FOH 1 Battery BP 308 Easy operation to apply high force Replacement battery ...

Page 46: ...Connection with multi meter oscilloscope and so on Connection with multi meter oscilloscope and so on Stand MX cable RS232C cable Analog cable for option code AN Analog cable CB 508 CB 208 We have various optional attachments and accessories adding to above Please ask your local distributor for detail Overload prevention and stand control according to measuring force Stand MX2 EMX cable CB 528 Mea...

Page 47: ...46 17 Dimensions Standard High Capacity ...

Page 48: ... is ready to start measurement 1 Grand common through pin 1 to 7 Analog output RAW 2 3 Analog output D A 2 3 Approx 2v is output when max force applied RS232C signal N A ZTA ZTS eZT Optional ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT Optional OK NG SC1 SC2 OVL 7 READY OUT GND ANALOG RAW ANALOG RAW ANALOG D A ANALOG D A 232C_TxD 232C_RxD 232C_GND NC NC 18 NC 1 Open collector output Please keep source volt...

Page 49: ...TS eZT ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT ZTA ZTS eZT Input grand common through pin 24 to 29 and 31 Input mark point Displacement input 5 Connectable linear scale and rotary encoder Corresponds to line driver output and open collector output External power supply Grand ZTA eZT ZTA ZTS eZT ZTA ZTS eZT NC NC NC NC EXSW2 ZERO 24 EXSW1 POWER 27 EXSW4 PEAK 26 EXSW3 SEND Rec Sh...

Page 50: ... 30 Input grand Current less than 10mA Ex Switch Max source less than 30V Max current less than 10mA 49 18 Output Data Connection example to output terminal of force gauge Input without current Do not apply current 18 2 Connection example of I O terminals Inside of the gauge 1 7 Output terminal 8 Output grand RL V Connection example to input terminal of force gauge Inside of the gauge 24 29 31 Inp...

Page 51: ...isplacement Type at Setup Menu is OFF Save of measuring values at single data File name S00001 csv Contents yyyy mm dd hh nn ss CR LF YYYY MM DD HH NN SS ffffff uuu dddddddd rrr CR LF YYYY MM DD HH NN SS ffffff uuu dddddddd rrr CR LF YYYY MM DD HH NN SS ffffff uuu dddddddd rrr CR LF File name The continuous numbers follow after S Each number is followed by comma and saved in CSV style Contents yyy...

Page 52: ...th sign and decimal point rrr unit for displacement The date and time is one when start saving The displacement data is saved as 0 when the Displacement Type at Setup Menu is OFF Description Setting Contents Command Category Receive Setting Format Example XCW Comparator setting XCW UUUU LLLL XCW 0100 0100 XCS FFFF SSSS XCS 0100 0100 Comparator High Low XCS High Low output Value no 1 2 Pair of inte...

Page 53: ...gits without sign 1 2 2 s Setting value measuring value 0 Setting value measuring value 1 XCO1 XCT1 XCO f XCT s XCO High Low Output Result Value 1 XCT High Low Output Result Value 2 t 0 AND 1 OR 2 f Setting value measuring value 0 Setting value measuring value 1 1 Decimal point is not included to setting and response Place of decimal point depends on units 2 Only for ZTA eZT Reset R XAZ Only for Z...

Page 54: ...ry Data contents depending on the setting of SEND button Refer to appended chart 1 P57 for format Refer to appended chart 1 P57 for format Q fffff dddddddPLCSX 1 123 4 123456701L00 2 123 4 123456701L0 XFF 1st peak 2nd peak output Force and displacement Refer to appended chart 1 P57 for format Q fffff dddddddPLCSX l 123 4 123456701L00 XAg Continuous data output Force and displacement 1 10 sec Refer...

Page 55: ...a output Force and displacement 1 2000 sec Error when sent to RS232C port XAS Stop data output XCN1234 Q fffff dddddddPLCSX XFC 0 1 2 3 4 5 XCN nnnn XCN XCC Number of NG XFC Unit list output Refer to appended chart 1 P57 for format Measurement value output NG Unit XEI0 XEI Acquire the connection status of eZ Connect load cell XEI e e Connection status 0 Connected 1 Unconnected 2 Connecting 3 Conne...

Page 56: ... M Save data B Delete the latest data Z Zero V peak value output C Delete all data Output pattern is the same with command D END is sent after all data is output 123 4NMO 234 5NMH END I N K I R R All data output Interchangeable with ZP Z2 format N Change units to N basis K Change units to Kgf basis T R T O R O Change units to lbf basis Change to real time mode Description Setting Contents Command ...

Page 57: ... 4NTO g Data output every 0 1 sec Response is the same with command D HHHH Comparator High LLLL Comparator Low The values are absolute values Operation depends on the setting of PEAK button E HHHH LLLL E12341234 E Comparator High Low output HHHH LLLL Absolute value of 4 digits integer Y R Y Output stop of command g Description Setting Contents Command Category Receive Setting Format Example Compat...

Page 58: ... page 54 of XFC command for detail 2 D is only responded with eZT Description of respond data format 57 18 Output Data f Continuous output Measuring value Approx 2000data sec l Continuous output Measuring value Approx 10data sec a Continuous output peak value Q fffff dddddddPLCSX Measuring value Peak value m fffff dddddddPLCSYYMMDDhhmmss Saved data Appended Chart 1 Format of force response h Conti...

Page 59: ...del 07 gf 08 kgf 10 ozf 11 lbf 12 klbf 16 kgf cm 17 kgf m 22 ozf in 23 lbf in Appended chart 3 Unit setting numbers and units of displacement Setting units are different depending on models 0 1 2 mm inch Please contact your local distributor or IMADA for any inquiries about products and measurements IMADA CO LTD 99 Jinnoshinden cho aza Kanowari Toyohashi Aichi 441 8077 Japan Telephone 81 0 532 33 ...

Page 60: ...Thickness Gauge Yarn Package Durometer and Shore A Durometer Sample Cutter Balance Moisture Meter Leak Tester Softometer Mailing address P O B 1154 84464 Waldkraiburg Germany Shipping address Schichtstr 16 84478 Waldkraiburg Germany Hans Schmidt Co GmbH Phone int 49 0 8638 9410 0 Fax int 49 0 8638 4825 int 49 0 8638 67898 More than 70 years Worldwide e mail info hans schmidt com Internet http www ...

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