MAN-134 Optical Pendulum Readout
Contents
1. a 45 or 90 angle viewer it is only possible to align the crosshair vertically if the viewer is in the vertical or horizontal plane If the viewer is in any other plane the intersection of the crosshair should be used as the sighting point Note the reading on the display Move the telescope until the crosshair aligns on the opposite edge of the wire and note the second reading The recorded reading should be the mean average of these two readings For base or initial readings it is recommended that the above procedure is repeated three times the base reading being the average The above procedures are repeated for the second axis User Manual 5 3 02 Maintenance It is essential that the equipment is kept clean at all times The digital displacement measuring device works on the principle of counting interference patterns on the top of the slide bar Ifthe slide bar is dirty the measuring device will not work and an error message will appear on the screen see appendix 1 If the slide bar becomes dirty clean it with a mild degreasing agent or WD40 3 03 Battery Replacement Battery type SR44 Silver Oxide The battery life is better than 3 years under normal circumstances To replace the battery remove the battery cover by pushing in the direction of the arrow see Appendix 1 Remove the old battery and replace with the new one Avoid touching the surfaces of the battery faces as this reduces the battery life Note It is necessa2. indicator will appear on the display Ignore this display Continue origin setting 2 Setting up the Origin After turning on the scale power switch move the machine to its datum point then hold down the scale ORINGIN switch for more than one second The 0 00 display appears indicating Origin setting is complete This origin will be retained even if the power is turned off 3 INCREMENTAL INC MODE AND ABSOLUTE s 12345 Abs mope ms a The LCD will display measurements from the origin when turned on ABS mode The display INC C opp can be zero set at any desired position by pressing the ZERO ABS switch INC indicator appears in the display INC mode permitting E measurement from the zero point To restore measurements from the origin hold down the 1 Err 2 ONE ZERO ABS switch for more than 2 seconds INC indicator disappears from the LCD ABS mode B while restoring the current position of the scale 3 unit B 2745 4 ERROR SYMPTOMS AND REMEDIES 1 ErrC and display flickering Appears when the scale surface is contaminated The surface of the scale should be cleaned and a small amount of low viscosity oil should be applied to repel water 2 E at the LSD Appears if the slider is moved at a high speed This does not affect measurement results Note If E is displayed when the slider is not being moved the calliper is in the same state as that of ErrC Use the ErrC remedy User Manu
3. 3 01 Operation The Optical Pendulum Readout comes with batteries fitted and should be ready for operation To check the unit is working remove it from its carrying case and switch on the measuring unit See figure 1 The liquid crystal display should come on and display a reading normally mm Check the units of measurement are those required if not the units can be changed by pressing the button marked in mm Move the digital measuring unit to the extreme left of the slide unit until it comes up against the stop Check that the reading is 0 00mm If it is not hold down the button marked origin for more than one second then release it The reading should now be 0 00mm This procedure should only be necessary on first time use of the instrument or if the battery is changed Mount the reading unit on one set of the self locating studs of the pendulum table If not already done so switch on the readout unit and move the telescope unit to the left until it comes up against the stop Checking the reading if it does not display 0 00in mm use the zero ABS button to re zero it Move the telescope unit to the right until the pendulum wire is within the field of view of the telescope Focus sharply on the wire by sliding the telescope in or out of the mounting bush Once the wire is in focus align the vertical crosshair on one edge of the pendulum wire If the crosshair is not vertical rotate the eyepiece until it is so if the telescope is fitted with
4. SCH INSTRUMENTS Optical Pendulum Readout User Manual cr K SAMEDI EH em KR Ws MU DU TU A TL LULU Mi TILL AL eet e 70 um G e Man 134 2 0 2 06 08 2014 C Spalton Andy Small Chris Rasmussen Manual No Revision Date Originator Checked Authorised for Issue User Manual Contents Section 1 Forward KEREN ENEE ERR ERERERR en esse esse nena een nnnnnnnananenenenenenennnnn eee eee eee eens Section 2 dee Dfod e IEN Section 3 Equipment uk nnnsnsnsnenenennnnnnanenennennnnnnenenenennnnnnnnnnanane men enenennnn nana n ne ee eee eee 3 01 Operation rinn ini tente dar drame dee E tad area en dede red dar dore ee una ek 3 02 Maintenance EE 3 03 Battery Replacement vec ses tees ties naines tr EENS mate ENER Deg Shed vi aa etes EE Figure 1 Optical Pendulum Readout ssssssmemenenenennnnnnenenenenenenennnnnanennnnnenenenenenenennnnnnnnnnnns Figure 2 Use Thumbs to traverse scale unit kk RKRKRERERERE RE RE RENE EE KEEN ENER ENEE ERR ER ERR R KEE E EE RE RE RE RE RE KE KEE en Appendix A Manufacturers Notes For Digital Scale Unit keRRERERERE RENE RENE KEEN EN ENEE ERR ERERRR RK E ER NEn User Manual Section 1 Forward Soil Instruments Portable Readout is designed to read direct and inverted pendulum systems supplied by Soil Instruments Ltd It is essential that the instrument covered by this manual is both operated and maintained by competent and suitably qualified personnel Soil Instruments will not accept for rep
5. air under guarantee instruments that have been neglected or mishandled in any way User Manual Section 2 Introduction The Optical Pendulum Readout is designed to read direct and inverted pendulum systems The readout comprises a manually focused telescope attached to a digital displacement measuring scale all mounted on a self locating base The unit must be used in conjunction with Soil Instruments pendulum tables The range of the instrument is 75mm with a repeatability of 0 05mm and a resolution of 0 001mm User Manual Section 3 Equipment The telescope is fitted at one end with an eyepiece containing a crosshair graticule at the other end a fixed focus lens A second lens is provided to increase the focal distance of the unit should it be necessary Focusing is achieved by sliding the telescope through the mounting bush towards or away from the pendulum wire until a sharp focus is achieved The measuring unit on which the telescope is mounted is moved along a slide by slight pressure of the thumb See figure 2 As the measuring unit moves along the slide the distance from the origin is displayed digitally upon the screen of the measuring unit The units of measurement are either millimeters or inches There are facilities to set the origin and reset the zero when required The measuring unit and telescope are mounted on a base plate that self locates on the mounting studs of the Soil Instrument s Pendulum Tables
6. al 10 3 B indicator Appears when the battery voltage is low Immediately replace the battery See sec 2 5 SPECIFICATIONS Resolution 0 0imm or 0 01mm 0005 Repeatability 0 01mm or 0 0i1mm 0005 Maximum response speed Unlimited Miscount will not result due to slider speed Power supply SR44 Silver oxide cell 1 piece Battery life 3 5 years under normal operation Operating temperature 0 C to 40 C Storage temperature 10 C to 60 C SOil INSTRUMENTS Bell Lane Uckfield East Sussex t 44 0 1825 765044 e info itmsoil com TN22 1QL United Kingdom f 44 0 1825 744398 w www itmsoil com Soil Instruments Ltd Registered in England Number 07960087 Registered Office 5th Floor 24 Old Bond Street London W1S 4AW User Manual 11
7. e an SR44 battery silver oxide 1 cell 5 Do not attempt to charge or disassemble the b ie battery It may be short circuited wer ES IR If the scale unit will not be used for more A than three months remove the battery from the scale unit and store it properly Otherwise leakage if any from the battery At Ow 3 Eer may damage the scale unit e 572 203 213 _ 2000 om a We ne sl Description of Symbols 6 7 WV Press the button quickly Press the button slowly Ne Ge CT op SN Mitutoyo LG e eras No 938882 1 NOMENCLATURE Beam Main Switch Battery compartment lid Output connector Display LCD Power ON OFF switch ZERO ABS switch toggles between incremental and absolute measurement See sec 5 ORIGIN switch for setting origin VD A NOU P OM k Inch mm switch only for inch mm model KA CH Tapped hole for bracket bored 2 places on the rear surface but 4 places for scales with Order no 572 203 213 10 Slider KA KA User Manual 9 2 BATTERY INSTALLATION AND ORIGIN SETTING IMPORTANT Set up the origin of the scale after installing the battery Otherwise the error sign E at the least significant digit LSD may appear resulting in incorrect measurements 1 Installing the Battery Remove the compartment lid and install the SR44 battery with its positive side facing up TIP Upon installation of the battery an arbitrary value or an E
8. ry to reset the origin when the battery is replaced or the battery cover has been removed For further information on the digital measuring unit see Appendix 1 User Manual 6 User Manual Figure 1 Optical Pendulum Readout FIXED FOCUS LENS OBJECTIVE DIGITAL DISPLACEMENT MEASURING SCALE 1x aie W ee TELESCOPE SET UNITS BUTTON RESET ORIGIN DIGITAL DISPLAY R BUTTON yem CHIEN kd ON OFF uer O P ON OFF BUTTON BATTERY COVER SET ZERO BUTTON Soil Instruments Limited TESTED Bell Lane Uckfield Sussex England Sei ONE sse SERIAL NO EYE PIECE DIGITAL MEASURING UNIT TITRE oe CD JE Dir MOUNTING BUSH SELF LOCATING STUDS BASE PLATE User Manual Figure 2 Use Thumbs to traverse scale unit L SS A 74 lt a GC Ke Soil Instruments Limited ii Bell Lane Uckfield Sussex England SH 77 Appendix A Manufacturers Notes for Digital Scale Unit e Always us
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