NIVEL20 - Kern Aarau
Contents
1. 802 907 e NIVEL20 user manual German French English 803 592 e Wall mount for monitoring applications 99 613 Technical data NIVEL20 Measuring range deviation from vertical Working range Display of or sign 1 5 mrad or mm m 5 2 2 0 mrad or mm m 6 9 over 2 0 mrad to max 6 5 mrad approx 20 3 Accuracy of sensor linearity error Planimetric measurements Over entire measuring range Resolution Zero error Operating temperature Storage temperature Relative humidity Dimensions L x W x H Weight Supply voltage Power consumption Sensor addressability Averaging function Measuring cycle Digital Analog Temperature sensor Measuring range Accuracy Accuracy at 20 C Illustrations descriptions and technical data are not binding and may be changed without notice Printed in Switzerland Copyright by Leica Geosystems AG Heerbrugg Switzerland 2000 711 119en I11 2000 within 0 3 mrad 0 001 mrad 0 2 0 005 0 5 mrad mm m 1 0 5 of measured value 0 001 mrad mm m lt 0 005 mrad C lt 1 C 20to 50 C 30to 60 C 10 to 95 non condensing approx 90 x 90 x 63 mm 820g 12 VDC 25 15 mA analog 25 mA RS 232 50 mA RS 485 max 32 different addresses can be stored in sensor digital sensors only mean value can be calculated by sensor for up to 128 measurements digital sensors only approx 0 2 seconds real time 30 to 60 C2. Precision inclination sensor CLCa Geosystems The Sensor meets your applications NIVEL20 the precision instrument for crucial measurements The NIVEL20 is the first measuring sensor with which the degree and direction of inclinations and the temper ature at the sensor can be determined simultaneously Its compact construction and optoelectronic sensor unit ensures extremely accurate measurements and long range stability Highest uptime rate In contrast to conventional inductive or capacitive sensors the NIVEL20 employs no mechanically driven moving parts No mechanical parts also imply a maintenance free sensor Measurement time cut by up to 80 The 2 axis sensor does the job in significantly fewer steps because resetting and repositioning for both axes are no longer necessary The NIVEL20 cuts flatness measurement times by up to 80 Your monitoring and set up capabilities are expanded substantially because the NIVEL20 delivers real time data on a continuous basis Depending on the type of sensor the measurements are output in digital RS 232 or RS485 format or as an analogue signal The NIVEL20 for quality assurance and engineering applications such as El Determining flatness of plane tables and stone tables PA Setting up measuring equipment and produc tion lines EJ Gravity oriented 3D coordinate measure ments and alignment in conjunction with a Leica Laser Tracker E Monitoring
3. 2 C 1 C for digital sensors 2 C for analog sensors Interfac es Analog sensors Digital sensors Baud rates Battery Output voltage Capacity Charging current Charging time Operating temperature range Weight Dimensions Power supply Mains voltage Line frequency Output voltage Output current max Operating temperature Weight Dimensions TOM Ep SART 130 MAN Sensitivity of inclination measurement 1000 mV mrad RS 232 or RS 485 serial port 1200 2400 9600 19200 12 V DC 25 4 Ah 0 7A up to 8 hours 20 to 50 C 2200 g 230 x 90 x 85 mm 115 230 V switch 50 60 Hz 14 VDC 10 250 mA Oto 50 C 5409 111x68x51mm Leica Geosystems AG Unterentfelden Switzerland has been certified as being equipped with a quality system which meets the International Standard of Quality Management and Quality Systems ISO standard 9001 and Environmental Management Systems ISO standard 14001 feica Geosystems Leica Geosystems AG M onchmattw eg 5 CH 5035 Unterentfelden Switzerland Telephone 41 62 737 67 67 Fax 41 62 723 07 34 www inclination sensor com SE NIVELplane 2 0 Ex el al etca Geosystems Flatness measurement softw are NIVELplane setting the standard in level surfaces W hat is NIVELplane M The NIVELplane program was developed for surface regularity and flatness measurements where precision is vital M Using this software in combination
4. This zero position measurement corresponds to a reading of X 0 000 Y 0 000 W hen the sensor tilts the position of the entire unit relative to the fluid horizon 3 is changed The degree of inclination in this example corresponds to X 0 050 Y 0 200 1 Synthetic cladding for thermal insulation 2 Electromagnetic and thermal shielding 3 Circuitboard with CPU sensor memory and temperature sensor 4 Synthetic cover with electromagnetic and thermal shielding 5 Circuitboard with integrated analog digital converter 6 Copper cover for sensor unit dissipates even minimal heat from electronic components 7 Two LEMO sockets for fault less data communication 8 Optoelectronic sensor device 9 Corrosion resistant Invar alloy for base of sensor lapped 3 point supports with toleranced mounting holes for attachment to baseplate or your individual installation System configuration The following standard configurations are possible depending on the application Levelling flatness and surface regularity measurements e Single NIVEL20 with RS 232 data port e NIVELplane software with out reference sensor e Real time display of sensor readings to facilitate levelling of object measured Gravity oriented 3D coordinate measurements amp alignments e Single NIVEL20 with RS 232 data port e Axyz software with Laser Tracker Module LTM e Level and monitor the Leica Laser Tracker L
5. mi ku a m m 4 M el opel em i m mm a The deviation in height are shown here as columns The largest deviation is indicated graphically in the single column display cities Tue Fer 07 53 Pre ee aren Beppe gh ET fa m i Lina ll pi Deza rid and the measurement omatically w hen the of the sensor are entered 2D view All cross sections along the X and Y axes can be view ed individually Real time display for leveling work For setting up and leveling operations the sensor readings are displayed in real time Tabular ARTE Calculated deviations in height can be displayed and printed as lists Measurement modes Four different measurement modes are available to accommodate a wide range of applications The dimen sions of the coordinate system are determined by the base of the sensor ES Fine measurement for maximum precision and coordinate density m a S Re OH Coarse measurement where medium precision is specified at half the coordinate density 2D or 1D linear measurement suitable for machinery alignment operations In one dimensional mode only the values in the direction of motion are recorded Program functions M NIVELplane 2 0 e Windows 95 98 or NT 4 0 operating systems e English version e Requires 1 RS232 serial port for communication with sensors e Supports maximum of 2 NIVEL20 sensor
6. 036 Index Datum 21 03 2001 Offset Nullpunkt Operateur HBRU Toleranzen X Richtung mikro rad 25 mikro rad Y Richtung mikro rad 25 mikro rad Offset mirko rad X Richtung Y Richtung Datum 16 03 2001 Linearitatsfehler Operateur HBRU Toleranzen 0 005 mrad 0 5 des Messwertes Neigung X Achse Y Achse X Achse Y Achse Tol Oben me TO Unten I O ba x im lt eo 70 do c Datum 17 03 2001 Richtungsfehler Operateur HBRU Toleranzen Richtungsfehler 0 000 rad 0 002 rad Datum 17 03 2001 Orthogonalitatsfehler Operateur HBRU Toleranzen Orthogonalit tsfehler 0 025 rad 0 035 rad Datum 17 03 2001 Beispiel Zertifikat doc Page 2 2
7. T500 LTD500 and LT300 Flatness and surface regularity measurements e 2 NIVEL20 with RS485 data port e NIVELplane software by applying a second NIVEL20 as a reference sensor Monitoring e Multiple NIVEL2O with RS485 data port e NIVELtrack or SOPOM software by applying up to 32 NIVEL2O ur WN Pe PC with RS232 interface 1m RS232 data cable NIVEL20 with RS 232 data port 12 V power pack battery 5 m R9232 data cable a Levelling position b Monitoring position 1 PF U NOH U PC Laser LT LTD 500 LT300 with control unit NIVEL20 with RS 232 data port 1 m RS485 data cable M ounting kit for levelling and monitoring PC with RS232 interface 1 m RS232 data cable NIVEL20 with RS 485 data port measuring and reference sensor 12 V power pack battery with 1 m RS485 cable RS 232 RS 485 converter RS485 data cable 1m 5 mor 20 m lengths PC with RS232 interface 1 m RS232 data cable NIVEL20 with RS 485 data port 12 V power pack battery with 1 m RS485 cable RS232 RS 485 converter RS 485 data cable 1m 5 mor 20 m lengths or customized cables Softw are and accessories NIVELplane Software for flatness measurements In production and quality assurance operations e Windows 95 98 or NT 4 0 operating systems e Real time readout of measured values e On screen coordinate system with continuous graphic display of sensor position during measuring sequence e 4
8. The heights of the measured points are inserted in the calculation as unknowns Illustrations descriptions and technical data are not binding and may be changed without notice Printed in Switzerland Copyright by Leica Geosystems AG Heerbrugg Switzerland 2000 U1 355 0EN 11 2000 Oj 1 iit OF surface horizontal a mean tilt of the surface a i th tilt measured a j a tilt referred to the surface being measured Correcting the tilt of the surface to be measured plate surface X x horizon feica Geosystems Leica Geosystems AG M onchmattw eg 5 CH 5035 Unterentfelden Switzerland Phone 41 62 737 67 67 Fax 41 62 723 07 34 www inclination sensor com 20 30 40 The Oelze Prazisions Messzeugfabnk GmbH in Aschaffenburg Germany is an accredited German Calibration Service DKD centre that measures the quantities of straightness flatness and perpendicular ity When measurements for straightness and flatness are needed the Leica NIVEL20 is used It Is approved by the German Federal Physical Technical Institute PTB i Application Report M easuring even surfaces on high precision components The Leica NIVEL20 in the production of measuring machines and machine tools Apart from its standard products the innovative Oelze company now into its third generation also manufactures basic modules for high precision measuring machines and machine tools For some t
9. and inspec tion of bridges and dams and furthermore e Automatic monitoring of changes in alignment of measuring equipment or production plant e Monitoring of assembly facilities and stations e Measurement and alignment of railbeds and surfaces e Deformation measure ments in construction applications e Monitoring and inspection of structures Te MEES EFFFFEF ih g Fee A p M NE me cue Fee T Fo The leading edge operating principle Compact optoelectronic sensor The NIVEL20 inclination sensor exploits an optoelec tronic principle that requires no moving parts The reference plane is provided by a fluid horizon tal that is absolutely perpendicular to the true vertical The angle between the sensor and the absolute horizon changes with the Inclination of the object being measured These changes are detected and measured by the position sensitive diode and translated into digital or analogue output signals Sensor unit e High insensitiveness to magnetic fields e Rugged construction CE marked e High temperature stability e No mechanically driven moving parts e Drift free sensor provides a constant accuracy over the whole measurement cycle All those features make the NIVEL20 ideal for industrial research and construction applications The light beam 1 produced by the transmitter diode 2 is reflected by the fluid horizon 3 onto the position sensitive diode 4
10. brugg Switzerland U1 368 0EN 11 2000 time for measuring is mini mized The saving in time with more than 100 measur ing points can amount to a quarter of an hour Taking into account that the manu facture of precision surfaces is an iterative process that IS repetition of measuring processing measuring etc the cost effectiveness of the system can be proved fairly quickly Softw are now runs under Windows 95 98 and NT 4 0 Unlike original versions the NIVEL20 software has been upgraded to run under Windows 95 98 and NT 4 0 This gives the user the advantage of the Microsoft Windows environment NIVEL20 data can be copled to other programs Spread sheets databases word processing etc and further analyzed or reported Assembly eguipment for printing machines Reguired evenness lt 0 008 mm over a surface area of 2700 mm x 2100 mm M easuring machine for measuring rotationally symmetrical components Required evenness for the guide surface is 0 005 mm Geosystems Leica Geosystems AG M onchmattw eg 5 CH 5035 Unterentfelden Switzerland Phone 41 62 737 67 67 Fax 41 62 723 07 34 www inclination sensor com Producer inspection certificate M Product Article no Serial no Inspection date Ordered by Your order number Customer 1 Specifications 2 Test results 3 Certificate TOM ISO 9001 1SO 14001 Beispiel Zertifikat doc Certificate in ac
11. cordance with DIN 55350 18 4 2 2 Inclination Sensor NIVEL20 RS485 801 453 379918 March 17 2001 test order 1 test order 2 test order number test customer 1 test customer 2 lt 0 017 rad lt 0 034 a Directional error b Orthogonal error rad lt 2 lt 0 005 mrad 0 5 of measured value lt 1 0 5 of measured value lt 0 025 mrad lt 5 c Linearity error d Zero point error on X Axis and Y Axis The inclination sensor was checked by measurements against the tilting stand with calibrated dial gauge which has a standard deviation of 10 0 0002 mm Calibration date of the dial gauge is January 16 2001 a Directional error 0 000 rad b Orthogonal error 0 025 rad c Linearity error X Axis ok d Zero point error X Axis 0 020 mrad Zero point error Y Axis 0 002 mrad We hereby certify that the product described has been tested and complies with the specifications and test results as stated above The test equipment used is traceable to national standards or to recognized procedures This is established by our Quality Management System audited to ISO 9001 by an independent national accredited body Leica Geosystems AG Business Area IMS CH 9435 Heerbrugg Switzerland March 21 2001 Heinrich Graf Quality Management Harald Traxler Assembly Manager Page 1 2 Geosystems Prufprotokoll Nivel20 Artikel Nummer 801453 Digital RS 485 Formular 725
12. different modes for plane and line measurements e Deviations in height calculated according to DIN 1101 e 3D contour graph as error model e 2D graphs of measured cross sections e Tabular presentation of calculated deviations in height e Reports with graphics and numerical tabulation of results NIVELtrack Software for mobile monitoring of machines construction sites and structures e Windows 95 98 or NT 4 0 operating systems e User definable measurement times start interval e Numeric display of X Y and temperature values in ASCII format e Standard configuration Supports up to 32 sensors Running your own software package The NIVEL20 manual includes detailed parameters for sensor communication Accessories E Mounting kit for use of NIVEL20 with Laser Tracker 575 089 with cable 802 905 EJ Baseplate for flatness measurements 150 x 150 mm 803 365 EJ Infrared remote controls for NIVELplane 574 587 E912 V power supply 571 533 H 4Ah battery for mobile applications 571 530 II Battery charger for 4Ah battery 571 534 Case for 1 NIVEL20 with accessories 803 493 EJ Case for 2 NIVEL20s with accessories 803 494 and furthermore e 1m RS232 data cable LEMO DSUB9 802 902 e 5m RS232 data cable LEMO LEMO 802 904 e 1m RS485 data cable LEM O LEM O 802 905 e 5m RS485 data cable LEM O LEM O 802 906 e 20m RS485 data cable LEM O LEM O
13. he inclination of the sensor is registered at each meas uring point From this data changes in height are calculated The individual changes in height are linked by the software and the straightness and flatness profile is calculated During measurement for straightness the inclination IS registered in one direction while during measuring for flatness the inclinations are registered in two mutually perpendicular directions The means of measuring employed by Oelze must have the following characteristics e simple and reliable operation of both the sensor and the software e reproducibility of the results of measuring that is long term stability operator independence e suitable resolution e low dead weight e rigid low vibration construction e good price performance ratio As Dr T Bart from Oelze Said From our point of view the NIVEL20 measur ing instrument offered by Leica fulfilled these require ments as compared with previous measuring methods The system stands out particularly in the Simultaneous registering of inclinations in two mutually perpendicular bi directional directions Apart from the Slight possibility of making a mistake each movement of a measuring sensor brings about a possibility for making an error the Illustrations descriptions and technical data are not binding and may be changed without notice Printed in Switzerland Copyright by Leica Geosystems AG Heer
14. i corrected measurements for measuring sensor in X and Y axes ei ordinal number of a recorded measurement e dhX i gt dhX i dhXR 1 dhXR 1 e dhY i gt dhy i dhYR 1 dhYR i 2 2 Reducing the differences of tilt to the horizon Each measurement will contain an X and Y inclina tion of the surface being measured to the horizontal This is taken into account by calculating the mean Inclination in X and Y axis and applying them to the above measurements 2 3 Determining height average Compensation From the corrected meas urements according to 2 1 it is now possible to deter mine the heights of the grid points by averaging com pensation In the following paragraphs a point is referred to as a measured point if a difference of height has been deter mined It follows from this that there are points on the surface which do not exhibit a difference of height and therefore are not measured e g the point at the right hand bottom corner of a surface AQ Calculation For the purpose of calcula tion a reference height of 0 zero Is assigned to the point at the left hand bottom corner In a second step all heights are trans lated in negative direction max Hneg by assigning the height zero 0 to the point with the lowest height value The heights them selves are calculated by averaging compensation according to the principle of least squares error DIN 1101
15. ime the company has been working with the NIVEL20 inclination sensor from Leica and have gained a lot of useful experience with it The base frame or bed of such a machine is a load bearing component Attached to it are feeding elements guides drives etc This places direct forces upon the bed and defor mations occur as a result In order to measure and produce products in the um range the base frame of such a machine must be constructed to be statically dynamically and thermally stable Here the designer with a suitable choice in raw materials and a con struction which takes those materials into account can provide the basis for a successful machine The Oelze products which are specifically designed for customers use primarily granite as the material Dr T Barth from Oelze explains the procedure as follows In order to manu facture the component part of a precision machine from a natural product like stone the functional surfaces are accurately ground in our factory in the um range They are then lapped by hand Apart from the right personnel and stable climatic conditions a further pre condition is the use of a suitable means of measuring etca Geosystems Exacting straightness and flatness measuring For the actual measuring of straightness and flatness the surface to be measured is provided with a grid Along this network the NIVEL20 is moved in short stages In doing this t
16. intouts of profiles cross sections 3D e NIVELtool for sensor settings and field check e NIVELtrack for real time monitoring measure ment with up to 32 NIVEL20 sensors per serial port NIVELtrack Leica Geosystems AG Unterentfelden Switzerland has been certified as being equipped with a quality system which meets the International Standard of Quality Management and Quality Systems ISO standard 9001 and Environmental Management Systems ISO standard 14001 TOM LD le MANI Illustrations descriptions and technical data are not binding and may be changed without notice Printed in Switzerland Copyright by Leica Geosystems AG Heerbrugg Switzerland 2000 711 122en I11 2000 An MS EXCEL printout for pitch and roll of a monitoring session using NIVELtrack and 2 NIVEL20 sensors e eca Geosystems Leica Geosystems AG M nchmattweg 5 CH 5035 Unterentfelden Switzerland Telephone 41 62 737 67 67 Fax 41 62 723 07 34 www inclination sensor com NIVELplane determines the height deviations of grid points measured with refe rence to the lower left hand point A1 of the surface being measured The grid size is defined by the sensor base plate used during the measurement Standard base plates supplied by Leica are 150 x 150 mm The number is defined by the surface dimensions and the sensor base plate 1 0 Measured inclinations The inclination sensor NIVEL20 provides two values one in
17. s M Administration Identification of object to be measured definition of used sensor base and additional information M Measurement modes Fine coarse 2D line and 1D line D Graphics e 30r 18color mode for tolerances e Translation rotation and zoom functions for graphics manipulation M Units of measurement e Length mm In m and ft e Inclination mrad mm m mgon min ft sec e Height mm in um graphs and tables M Program settings M e Spatial position of mea N Additional software sured plane 2 vector utilities relative to true vertical e Mathematically leveled position of plane e Comparison of two measurements for degree of levelness angle between the 2 plane vectors e Register tolerance tolerance band e Repeat measurement internal function e Reference sensor for automatic compensa tion of object tilt Dem M Flatness measurement e Display coordinates e Display sensor position e Real time readouts e Forward Backward e Sensor stability display e Optional angle mode for leveling ga M DIN 1101 calculation M 3D and 2D graph of measured surface NIVELplane reports Reports can be generated quickly You determine w hat additional information measurements cross sectional views and graphics M 3D heights as column Should be printed The company logo can be included as a bitmap graph M 2D cross sectional views along X and Y axes Measurement report e Pr
18. the X and one in the Y axis The program NIVELplane enables the inclination measurements to be saved either in mrad In mgon cc or as differences of height in mm Based on the known lengths of the grid base plate in X and Y the measured inclinations mrad are converted to mm to obtain the differences of height to be saved dhX and dhY The signs are determined according to the following definition X Y dhX B2 B1 dhY B1 A1 i NIVELplane 2 0 Processing of measured inclinations 2 0 Calculating the heights of the grid points The heights are calculated in 2 steps First the unpro cessed measurements are corrected 2 1 The heights of the points are then determined by an averaging compensation process 2 3 2 1 Reference sensor correction Apart from the actual measurement sensor M a reference sensor R can be used for the flatness meas urements This technique detects changes of tilt of the total surface during the flatness measurement They are then registered and corrected The reference sensor is positioned on the surface before the measurement commences and remains Stationary These reference values are recorded together with those from the measuring sensor Definitions e dhX i dhY i differences of inclination for measuring sensor in X and Y axes e dhXR i dhYR i differences of inclination for reference sensor in X and Y axes X e dhX i dhY
19. with the high precision NIVEL20 Inclination sensor enables you to record variations in height of just 0 001 mm m M These height variations are calculated from measurements of the plane surface in accor dance with DIN 1101 and the results are displaved graphically or as tables M The employment of an additional reference sensor makes It possible to compensate auto matically for the slightest tilting of the object during measurement operations W here is NIVELplane used M Flatness measurements for the alignment of machines and surfaces M Measurements for trueness of foundations for installations and structures M Exact positioning relative to true vertical M Determining sequence of motions in machines static Load analysis for machine troubleshooting M Ultra precise leveling of machine tools and component parts Interactive dialog for flatness measurement The progress of the measurement operation is shown with visual represen tation of the sensor position Measuring points can be skipped over or revisited by clicking on the Backward and Forward buttons The deviation in height can be modeled as a shaded 3D and 2D contour graph Various color schemes are sb indir Dea m a cole en Feiner Pine mr Tanz IC 2 Procedure The on screen coordinate sequence are generated a mode objectsize and base m um TU Fi V FW so a 1 71 171 1 1 Mu a 5a
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