Re - Manupala industrie
Contents
1. AIRE spa US3 Contents Ell I 1 Why to use an ultrasonic Sensor rennen iena 2 Limits of ultrasonic sensors cnica 2 Applicaton S soi site ixi crine oni dv aan aaa 2 Pulse echo measuring method mcr nnn n 3 Factors which influence measurement errem rennen nnns 3 Technical Characteristics inicias 4 Iristallatioli aio nicotine Foix dl aprire red a Eva Diar bua dE cd d ER RE rx v RR KT Dra E d 4 Functioning of die dee 8 Conan 8 Control Deli A ola Dn D e A EAA OH 8 EDI net A AA ute ened tuti sten RP 9 Static LED green esse pian id 9 MOOR Fane LE Dd a O i ie 9 ce H 9 Programming Meli aa 10 Cal HM ra 11 Field calibration by maximum and middle diameter 12 Lab calibration by maximum diameterand XIS carini 13 Configuration of the sensor as distance reader mmm 14 Detailed description of the functions rennen rre nennen 15 F1 Regulated output type selection Volt o m euet entrer a 15 F2 Minimum distance calibration maximum diameter eene 15 F3 Middle diameter calibration only for field calibration seen 16 F4 Maximum distance calibration axis calibration only for lab calibration 16 EEE s o Cs HR Pe 17 F6 Setting alami tnreshbld isis lali 17 ET Regulated output IDVelSlODisoio e in 17 POPOL AT INI E 18 F9 Thermal probe UN en 18 E10 ERIEMEN2. The red LED shows the current value of the function if the red LED is lit the inversion is enabled the maximum output corresponds to the minimum diameter and the minimum output to the maximum diameter ifthe red LED is off the inversion is disabled the maximum output corresponds to the maximum diameter and the minimum output to the minimum diameter Press SET key to set the desired value To select following function press ENTER key Rev 02 10 07 1723 AIRE spa US3 F8 Led bar mode The red LED shows the current value of the function ifthe red LED is lit the LED bar shows the level of the regulated output ifthe red LED is off the LED bar shows the level of the proportional output Press SET key to set the desired value To select following function press ENTER key F9 Thermal probe exclusion The red LED shows the current value of the function ifthe red LED is lit the temperature compensation is disabled the probe is excluded ifthe red LED is off the temperature compensation in enabled the probe is active Press SET key to set the desired value To select following function press ENTER key It is recommended to exclude the probe when the ambient temperature is between 15 and 25 C or in case of probe malfunctioning F10 Exit menu saving the data To return to function F1 press ENTER and SET simultaneously To exit the programming menu and save the changes hold down ENTER for several se
3. itself as shown in the graph below 100 N 50 A Output value mA o V x V EI 0 max Rev 02 10 07 n Coil diameter AIRE spa US3 Electrical and mechanical characteristics Power supply Mean power Analog input Regulated analog output Proportional analog output Alarm outputs Serial port Transmission speed Output updating time Sensor type Ultrasound frequency Opening angle Working temperature Box material Weight Cable 5 or 10 m Rev 02 10 07 24V dc 18 30V dc including ripple protection against polarity reversal about 2W at 24Vdc 0 10Vdc for working curve 0 10Vde R gt 1kQ 4 20mA Ri lt 300Q 0 10Vdc R gt 1kQ Open Collector 100mA MAX 30Vdc MAX RS485 9 6kbaud 125 msec piezoelectric transducer 125kHz 10 to the axis 0 50 C referred to the sensor ambient Aluminium ENAW 6082 280 g 10 poles with miniaturized connector AR Spa US3 Mechanical dimensions arth wire fixing D Ol _ i E UN i Sa ON m N i LO N SEY Q pec Ta N 00 19 dd MO 9 i mad lg i MD Qu MO JP eO i i 28 A iL 915 Rev 02 10 07 Re S p A Electrical connection diagrams US3 Configuration with setpoint potentiometer see on page 19 VDC Vref PROP OUT REG OUT SETPOINT IN RS485 A RS485 B XX XX ALARM
4. measuring the distance from the coil the sensor can measure the coil diameter In particular when the coil diameter is at its maximum size the sensor reads the minimum distance As the diameter is reduced the distanced measured increases until the maximum distance corresponding to the minimum diameter see images below E Maximum diameter a Maximum distance Re TT Ye ES Bu u Ae Minimum cllameter Rev 02 10 07 1 23 AIRE spa US3 Field calibration by maximum and middle diameter Where must be done It is a field calibration Sensor is mechanically installed in its own definitive position Middle diameter distance 23 N N MAD 28 Sg K 4 How calibrate Enter the programming menu see on page 10 Press ENTER to position on function F2 Carry out function F2 for field calibration as described on page 15 Position on function F3 and carry out as described on page 16 Position on function F10 and keep pressed ENTER key to save and exit Advantages Allows you to set the precise value the output adopts at the intermediate diameter Disadvantages I tis necessary to use a voltmeter Itis necessary to know maximum and middle diameter Rev 02 10 07 AIRE spa US3 Lab calibration by maximum diameter and axis Where must be done The calibration is carried out on lab table before sensor has been mech
5. sure that the capsule is parallel with the plane at a tangent to the surface to be measured Connect the sensor body to the nearest machine earth point with a suitable cable as illustrated below di x Vai I ET ag N i NY y 7 7 N Cable terminal with Serrated as earth wire washer WSS Serrated Remove the PA Y washer paint under A N the serrated x MACHINE FRAMEWORK ro S A connecting NO Fa sp ue sensor to the machine framework M Y arth cable for Sf connecting the sensor and the fia machine framework N Me J Su N N N N Rev 02 10 07 CN T AR Spa 7 Besure that between the sensor body and the machine framework there is electrical continuity oa MED f NE ga DA MACHINE FR 7 AME WORK US3 8 Adjust the sensor angle so that the target is at the centre of the action cone Tighten the knob to secure it x MS CN i M5 Saw a FIXING lee bracket _ IU e TERZA Rev 02 10 07 threaded knob 723 ARE SpA US3 Functioning ofthe device General US3 ultrasonic sensor is suitable to read coil diameters by a simple calibration it is able to convert a distance measure in a coil diameter measure providing a diameter proportional analogue output It is equipped with an analogue setpoint input which makes US3 a strength self governing regulatio
6. 1 OUT ALARM 2 OUT OV RED BROWN ORANGE BLUE GREEN gt VIOLET GREY Coil rel WHITE YELLOW Coil rel BLACK Configuration without setpoint potentiometer In this case it s necessary to link up the green cable to the brown one if you do not link the cables the regulated analog output blue wire is constant and OVolt or 4mA Setpoint potentiometer Vrel Vrel VDC RED Vref BROWN PROP OUT ORANGE REG OUT BLUE SETPOINT IN GREEN RS485 A VIOLET RS485 B A A A X GREY ALARM 1 OUT WHITE T Vrel ALARM 2 OUT YELLOW IF vrela OV BLACK Wire colour Pin Function Red 1 Supply 18 30Vdc Black 8 OV White 9 Alarm output 1 Yellow 10 Alarm output 2 Orange 4 Proportional analog output Blue 3 Regulated analog output Green 6 Setpoint input 0 10V Brown 5 Setpoint reference 10Vdc Grey 7 RS 485 serial output B Violet 2 RS485 serial output A Rev 02 10 07 22 23 AIRE spa US3 Guarantee Re S p A guarantees this device against all defects relative to the materials and manufacturing for a period of 12 months from the date of delivery Should your device develop operating faults during the guarantee period please contact the Company s agent in your country or if this is not possible contact Re S p A directly The guarant
7. NTER key Rev 02 10 07 1523 AIRE spa US3 F3 Middle diameter calibration only for field calibration Important Before calibrating make sure that there are no objects other than the target in the sensor s action cone Position a known diameter coil in front off the sensor diagram on page 12 The red LED indicates the presence of the target ifthe red LED is off the target is present and calibration can be performed correctly if the red LED is flashing the target is not detected and calibration is impossible Connect a voltmeter to one of the sensor s two analog outputs blue wire or orange wire To Start calibration make sure that the red LED remains constantly off then press SET the red LED will light up and the output voltage will increase starting from 5V Use the ENTER key to increase or reduce the voltage When the output reaches the value calculated using the formula shown below press SET to confirm it If calibration has been performed the red LED flashes twice 10 known diameter mm volt maximum diameter mm Es If maximum diameter is 1000 mm and known diameter is 400 mm output must be 4Vdc 10 400 1000 volt To select following function press ENTER key F4 Maximum distance calibration axis calibration only for lab calibration Important Before calibrating make sure that there are no objects other than the target in the sensor s action cone Position a st
8. U SAU ng e asco er Dra ta ORE RR 18 GB sueta mito ott a bertus Y PEN ds Ee a FN La EN FE t o t AN 18 df det 19 Electrical and mechanical characteristics siiis 20 Mechanical dimensions iniciara 21 Electrical connection diagrams cocinar 22 GUAM e iui iiir ci Fr i n cina ER Crea a C I a RE DR ER Eur RR FA FR n 23 A Re SpA US3 Warnings The present manual is for device fitters and operators It provides indications on the intended use of the device technical specifications and instructions for installation adjustment and use This manual is an integral part of the device and must be kept until the device is decommissioned It reflects the technical state of the device atthe time of its sale The plant builder may include the present manual in the documentation for plant use Re S p A reserves the right to update its production and or manuals without updating products already sold and previous manuals Since the device forms part of a plant the plant builder is responsible for ensuring that all parts comply with the laws in force in the country in which it is installed The device must be fitted and adjusted by qualified technical personnel It may be moved manually Information about device recovery The device bears a clear visible and indelible indication allowing identification of the manufacturer and the separate collection symbol symbol on side This symbol showing a wheelie bin with a cross through it unequivocally in
9. able only using Personal Computer See Calibration section to carry out the first calibration after sensor purchase F1 Regulated output type selection Volt o mA The red LED shows the current value of the function ifthe red LED is lit the type of output is mA ifthe red LED is off the type of output is Volts Press SET key to set the desired value To select following function press ENTER key F2 Minimum distance calibration maximum diameter gt Important Before calibrating make sure that there are no objects other than the target in the sensor s action cone Lab calibration sensor not installed in its own working position position a stiff target ex cardboard in front of the sensor The distance between target and the capsule has to be the same one which is between sensor and maximum diameter coil once sensor is installed in its own working position see diagram on page 13 Field calibration sensor installed in its own working place position maximum diameter coil in front of the sensor see diagram on page 12 Thered LED indicates the presence of the target ifthe red LED is off the target is present and calibration can be performed correctly ifthe red LED is flashing the target is not detected and calibration is impossible To calibrate make sure that the red LED remains constantly off then press SET if calibration has been performed the red LED flashes twice To select following function press E
10. anically installed in its own position Maximum diameter distance _ Axis distance N DR ss aa TT F4 pal PA LJ ere E ae e 8 DA 2 d How calibrate Enter the programming menu see on page 10 Press ENTER to position on function F2 Carry out function F2 for lab calibration as described on page 15 Position on function F4 and carry out as described on page 16 Position on function F 10 and keep pressed ENTER key to save and exit Advantages Itallows to easily calibrate the device in a completely digital way Itis not necessary any measurement instrument When you order the device if you know the distances between sensor capsule surface and maximum diameter coil and between regulator and rotation axis US3 could be sold already calibrated for the specific application Disadvantages You must pay attention to position the stiff target ex cardboard as more parallel as possible to the capsule plane It is necessary to know the distances between sensor capsule plane and maximum diameter and between regulator and rotation axis gt Attention the procedure described above could be carried out when sensor has been already mechanically installed in its own definitive position using two targets one corresponding to maximum diameter F2 the other one to rotation axis F4 Rev 02 10 07 1323 AIRE spa US3 Configuration of the sen
11. conds If there are no errors the LED bar lights scroll and the green LED starts flashing again If errors are found the LED bar keeps flashing and the changes are not saved Press SET to stop the flashing go back into the programming menu and repeat the calibration If the error persists contact the technical support team Reset To reset the sensor hold down ENTER and SET for several seconds while the sensor is outside the programming menu The LED bar lights will scroll and the function values are returned to the factory settings If the LED bar keeps flashing after a reset contact the technical support team gt Attention If during ultrasonic sensor functioning something goes wrong reset functions and calibrate the instrument again Whenever problems do not disappear please get in touch with our technical assistance office Rev 02 10 07 18 23 A Re SpA Setpoint US3 The input allows to vary US3 sensor output according to your own requirements Input signal value must be between OV and 10V Itis also possible to connect an external potentiometer as indicated in Electrical connection diagram section Varying setpoint signal output value will depend on target distance and on input signal as shown in the following graph 100 50 96 Output value NU S xe NA oe exo ac 0 Coil diameter If you decide to reverse regulated output F7 function setpoint variation will intervene on output
12. dicates that the device was released after 13 08 2005 and that it must be subject to separate collection In European Union member states The device falls within the electrical and electronic equipment category which must be disposed of not amongst undifferentiated urban waste but through separate collection Therefore at the end of the device s lifetime it must be disposed of in conformity with the European standards adopted in the member state in which it was installed WEEE Waste Electrical and Electronic Equipment may be intended for individual collective or mixed collection and recovery systems at designated centres for more information contact the relevant local authorities or may be returned to the distributor when a new item of equipment is purchased This eliminates or reduces potentially negative effects on the environment deriving from improper use of the equipment or parts of it For correct waste management the relevant authorities promote the reduction of final waste disposal by means of re use recycling and other forms of recovery to obtain raw materials from waste In the event of illegal disposal of WEEE offenders will be punished in accordance with the sanctions established by the member state in which it was installed n non EU countries Recovery and final disposal of the device must be carried out in conformity with the standards in force in the country in which it was installed It may be advisable to take int
13. ed LED is off the target is present and calibration can be performed correctly ifthe red LED is flashing the target is not detected and calibration is impossible To calibrate make sure that the red LED remains constantly off then press SET if calibration has been performed the red LED flashes twice To select following function press ENTER key F6 Setting 2 alarm threshold Important Before calibrating make sure that there are no objects other than the target in the sensor s action cone This function allows you to set a second threshold diameter below which the sensor activates the second of the two alarm outputs The output will remain activated until the diameter returns above the threshold value plus 5mm to prevent sudden activations when the diameter is close to the threshold value Place a coil with diameter equal to the threshold diameter in front of the sensor or an obstacle at a distance equal to that which would separate the capsule from the coil with the threshold diameter The red LED indicates the presence of the target ifthe red LED is off the target is present and calibration can be performed correctly if the red LED is flashing the target is not detected and calibration is impossible To calibrate make sure that the red LED remains constantly off then press SET if calibration has been performed the red LED flashes twice To select following function press ENTER key F7 Regulated output inversion
14. ee includes spare parts and labour It does not include shipment costs for device delivery or recall The guarantee is invalidated by improper use of the device incorrect installation faulty electrical connections or power supply lack of maintenance changes or work involving non original components or carried out by persons without Re S p A authorisation complete or partial failure to observe the instructions exceptional events At the end of the guarantee period support will be provided by the support network which will carry out repairs at the current rates Rev 02 10 07 2323 Re S p A Controlli Industriali Via Firenze 3 20060 BUSSERO MI ITALY Fax 39 02 95 03 89 86 Technical support Tel 39 02 95 24 30 300 E mail support re spa com Sales support Tel 439 02 95 24 30 200 E mail sales re spa com WWW re spa com Rev 10 07
15. ic pressure do not affect measurements We strongly advise against the use of ultrasonic sensors in pressurised or vacuum environments since there may be a significant distortion in the reading The presence of nebulised liquids or powders in the air attenuates the sound reducing the maximum reading distance Draughts may divert the echo and prevent correct measurement Other ultrasound sources may overlap the echo causing measurement errors Moisture may cause a temporary drop in reading sensitivity without damaging the sensor Do not allow ice to form on the surface of the sensor Small amounts of dust do not affect measurements But it is important to keep the sensor clean Do not paintthe surface of the ultrasonic capsule Clean the sensor with low pressure dry air AIRE spa US3 Technical characteristics Operating frequency 125kHz Minimum measuring distance 100mm at25 C 110mm at50 C Maximum measuring distance 1800mm for materials which absorb sound this is reduced in proportion to the degree to which the material absorbs sound Operating mode Diameter reader Regulator resolution 0 5mm 2 analog outputs Proportional diametral output 0 10V Regulated diametral output 0 10V or 4 20mA possibility of inverting the regulated diametral output Setpoint analog input 10V reference voltage for setpoint external potentiometer connection Software filter to prevent sudden changes in distance 2 digital outpu
16. iff target ex cardboard in front of the sensor The distance between target and the capsule has to be the same one which is between sensor and the coil rotation axis once sensor is installed in its own working position see diagram on page 13 The red LED indicates the presence of the target ifthe red LED is off the target is present and calibration can be performed correctly if the red LED is flashing the target is not detected and calibration is impossible To calibrate make sure that the red LED remains constantly off then press SET if calibration has been performed the red LED flashes twice Note rotation axis is the centre of coil shaft To select following function press ENTER key Rev 02 10 07 16 23 AIRE spa US3 F5 Setting 1 alarm threshold gt Important Before calibrating make sure that there are no objects other than the target in the sensor s action cone This function allows you to set a threshold diameter below which the sensor activates the first of the two alarm outputs The output will remain activated until the diameter returns above the threshold value plus 5mm to prevent sudden activations when the diameter is close to the threshold value Place a coil with diameter equal to the threshold diameter in front of the sensor or an obstacle at a distance equal to that which would separate the capsule from the coil with the threshold diameter The red LED indicates the presence of the target ifthe r
17. n system you can modify material strength connecting regulated analogue output to a brake and varying the associated tension Material strength will not change during coil unwinding because brake command tension will be reduced according to diameter US3 has a second analogue output which varies proportionally to diameter and is not influenced by setpoint input changes the output can be used to visualize the diameter on a display Two digital outputs allow the control of relays for activating alarms at diameter values which can be set by the user A software filter protects the reading against big changes in distance which are not lasting for example due to coils having an irregular shape US3 can also function as a distance reader just by using the regulated output inversion The RS 485 serial port allows rapid sensor configuration using a Personal Computer with integrated RS 485 port or RS 232 RS 485 external converter and special US Calibration software can be downloaded free of charge from the website www re spa com Control panel US 3 A Re LED BAR for displaying information about the measurement and facilitating navigation in the programming menu LEDs providing useful information about the instrument status KEYS for accessing programming functions www re spa com Rev 02 10 07 923 AIRE spa US3 LED bar During programming shows the number of the function selected with the corresponding LED li
18. nside liquid level measurement Full and empty box recognition Rev 02 10 07 223 AIRE spa US3 Pulse echo measuring method Every 100 milliseconds the US3 sensor emits an ultrasonic pulse at a frequency of 125kHz The pulse propagates in the air until it hits the target positioned in front of the sensor whose distance is to be measured The pulse is reflected echo by the object and picked up by the sensor which based on the time taken by the echo to return to the sensor and the sound propagation speed calculates the distance from the object After the pulse has been generated the sensor is inhibited for a short time during which it cannot receive the echo This is a feature common to all pulse echo sensors and defines the minimum distance which can be measured PERO N BEER QU MEE Factors which influence measurement Although ultrasonic sensors can operate in adverse environmental conditions it is important to consider several factors which affect measurement quality so as to achieve the best possible performance Rev 02 10 07 The speed of the sound varies with the temperature causing a measurement percentage error of around 0 17 C US3 has an internal temperature sensor which allows that error to be compensated for automatically Big changes in temperature along the measuring path cannot be compensated for and may result in sound diffraction and scattering Changes in atmospher
19. o account the information provided regarding European Union member states Rev 02 10 07 123 AIRE spa US3 Why to use an ultrasonic sensor Ultrasonic sensors are extremely advantageous in comparison with other sensor types they are able to see every kind of non sound absorbent material and some kind of sound absorbent material material colour does not interfere with sonar reading goal object surface does not interfere with sonar reading ultrasonic sensors work in every environmental conditions fog dust dirty extremely luminous places or very insufficient lightness ultrasonic sensors fitto read transparent materials ultrasonic sensors are able to ignore background disturbs Limits of ultrasonic sensors They are not suitable for detecting materials particularly good at absorbing sound They have a relatively low propagation speed limiting the sensor reading speed They do not work in water in high pressure or vacuum environments They may be affected by the presence of nearby ultrasound sources e g other ultrasonic sensors or compressed air guns Applications Laminated materials tension control Winding and unwinding converting industrial machinery roll diameter measurement cutter rotogravure cutting and winding machines wrinkling machines Diameter roll measurement for positioning and working phase starting Diameter coil measurement aluminium and sheet Distance measure Box i
20. sor as distance reader To use the sensor as distance reader you have to enter the programming menu see on page 10 press ENTER to position on function F 7 the red LED shows the current value of the function ifthe red LED is lit the inversion is already enabled ifthe red LED is off the inversion is disabled press SET key to enable the inversion position on function F10 and keep pressed ENTER key to save and exit short circuit the green and brown wires as shown in the diagram on page 22 Configuration without setpoint potentiometer section In this way the OV regulated output corresponds to the minimum distance instead the 10V regulated output corresponds to the maximum distance Rev 02 10 07 AIRE spa US3 Detailed description of the functions Outside programming the green LED flashes to indicate that the device is operating normally To access the programming menu hold down ENTER for several seconds The green LED will stop flashing and remain lit together with the LED on the LED bar corresponding to function F1 Nominal values are Regulated diametrical output set on Volt Distance from the axis 1 8 meters Distance from the maximum diameter 10 cm Jstalarm distance 1 6 meters 2nd alarm distance 1 7 meters Inversion of the regulated diametrical output disabled Led bar set to display the level of the proportional diametrical output Instrument serial identification 0 change
21. t the first from the bottom for F1 the second for F2 etc Outside programming indicates the level of the proportional or regulated output depending on the mode set in function F8 Status LED green During programming remains lit Outside programming flashes Out of range LED red During programming for the meaning of this LED during programming see the detailed description of the functions Outside programming the LED begins flashing quickly if the target moves out of the reading range allowed or cannot be detected by the sensor because it is not there Outside programming if pressed for several seconds allows programming to be accessed During programming ENTER for going to the next function AL if pressed with the SET key in function F10 returns you to function F1 N if pressed for several seconds in function F10 allows you to exit programming and save the settings if pressed while field calibration is active allows output increase reduction SET Outside programming interrupts LED bar flashing if there was an error saving the settings During programming for inverting the value set for functions F1 F7 F8 and F9 for calibrating the parameters in functions F2 F4 F5 F6 and in field calibration if pressed with the ENTER key in function F10 returns you to function F1 gt Note Press ENTER SET for several seconds outside the programming environment to reset the de
22. ts for alarms with programmable threshold 10 position multi purpose LED bar Target present indicator Automatic compensation of change in speed of sound with temperature RS 485 for connection to Personal Computer Power supply 24V dc Installation To ensure that the device is installed efficiently follow the instructions below L 2 3 Rev 02 10 07 Even if the device can function properly at a voltage that varies between 18 and 30Vdc always supply a stabilised voltage that is not affected by network load variations Never leave a break in the cable shielding If a connector or joint has to be inserted in the US3 cable make the connection as shown as shown in the diagram CONNECTOR a aa e Ll The CLAMP ferrite provided with the equipment must be applied to the cable AIRE S p A 4 Avoid using single wires connections to the US3 cable if it is possible ELECTRICAL gt ANF oeg CONN 1 loo Earth Pa x connection LA USS US3 ielded cable 5 Below is the sensor directivity graph with an action cone of approximately 10 Install the sensor so that inside said cone there are no objects other than the target other ultrasound sources draughts Rev 02 10 07 AR Spa US3 6 Use the metal bracket supplied to support the US3 making
23. vice restoring the factory settings Rev 02 10 07 923 A Re SpA US3 Programming menu Below is a list summarising the device programming functions available For more details see from page 15 To access programming press ENTER for several seconds the green LED remains lit and the first LED on the LED bar lights up function F 1 To scroll through the menu of the programming functions use the ENTER key To return to function F1 go to function F 10 and press ENTER SET To exit programming go to function F10 and hold down ENTER for several seconds If the parameters were saved correctly the LED bar lights scroll otherwise it begins flashing until you press SET e selon Description Keys Value range daed F1 1 Regulated output type selection SET 021 0 F2 2 Minimum distance calibration SET 100mm D max 1 100mm FS 3 Middle diameter calibration See detailed description of field calibration page 16 F4 4 Maximum distance calibration SET D min 1 gt 1800mm 1800mm F5 5 Setting 1st alarm threshold SET 100mm 1800mm 1600mm F6 6 Setting 2nd alarm threshold SET 100mm 1800mm 1700mm F7 7 Regulated output inversion SET 021 0 F8 8 Led bar mode SET 021 0 F9 9 Thermal probe exclusion SET 021 1 F10 10 Exit menu saving the data ENTER Rev 02 10 07 1023 A Re SpA US3 Calibration To operate as diameter reader regulator the US3 ultrasonic sensor must be calibrated By
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