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Summary of Contents for Mahr Multimar 844 T
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Page 1: Operating Instructions
Universal Gage Multimar 844 T Operating Instructions 3722483 Mahr GmbH Standort Esslingen Reutlinger Str. 48, 73728 Esslingen Tel. +49 711 9312-600, Fax +49 711 9312-756 mahr.es@mahr.de, www.mahr.com 1016... - Page 2 Introduction Intended working conditions The Universal Gage Multimar 844 T is a versatile precision measuring instrument which can be employed in both production and in inspection areas to measure the following: External and internal dimensions, External and internal threads, Centering shoulders, Narrow collars, recesses and grooves, External and internal tapers, External and internal tooth profiles / gears and much more.
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Page 3: Safety Information
The Multimar 844T in conjunction with the appropriate indicating instrument and accessories are subject to inspection equipment monitoring. For this reason, regular inspection equipment monitoring performed by either the user or Mahr Service must ensure compliance to the specified error limits. Important hints prior to using the Multimar 844T The measuring instrument may only be used for its intended purpose. For damages... -
Page 4: Table Of Contents
Setting with measuring standards (e.g. setting ring, combination of gage blocks, master, etc.) ..................9 Measurement ....................10 Technical Data ....................11 Accessories ....................12 Care and Maintenance ....................14 Spare Parts ....................15 Mahr GmbH • Multimar 844 T... -
Page 5: Description
Handle is heat insulated (protected against hand warmth) 3 Symbols to identify the selected measuring direction (Internal / external measurement) Lifting lever Stationary measuring arm holder (adjustable) Moveable arm holder 7 Fixing screws for measuring arms Clamping screw Hex screw for adjusting the direction of the measuring force Guide tube Mahr GmbH • Multimar 844 T... -
Page 6: Switching The Direction Of The Measuring Force
Due to the built-in measuring force spring the moveable measuring arm can be moved very quickly, this may cause damage to the measuring instrument. Please note: Loosen the Hex screw with 1 turn in order to avoid contact with the guide tube. Mahr GmbH • Multimar 844 T... -
Page 7: Inserting / Exchanging The Indicating Instrument
Tighten per hand the clamping screw on the indicating instrument holder 1 Please note: The Protection bar 844 Tsb offers additional protection damage to the indicating instru- ment (see Chapter 8, Accessories). Mahr GmbH • Multimar 844 T... -
Page 8: Setting Up The Measuring Arm Holder
844 Tw. Due to the exact positioning of the stops on the measuring arms it is possible to ensure pendular motion along a plane parallel. Therefore accurate and continuously accurate measurements can be guaranteed. Mahr GmbH • Multimar 844 T... -
Page 9: Setting With Measuring Standards (E.g. Setting Ring, Combination Of Gage Blocks, Master, Etc.)
Setting with measuring standards (e.g. setting ring, combination of gage blocks, master, etc.) Comparative measurement Position the Multimar 844 T on the measuring standard With light pendular motion determine the position of the reversal point (Min. and/or Max value) and here set the indicating instrument to "0". -
Page 10: Measurement
Determine the reversal point (Min and/or Max value) with pendular motion Read off the measuring result on the indicating instrument Mahr GmbH • Multimar 844 T... -
Page 11: Technical Data
Technical Data Mahr GmbH • Multimar 844 T... -
Page 12: Accessories
In combination with Adaptor 844 Tad and Measuring anvils 901 H - 912 844 Te 844 Tw 844 Tad 906 H 844 Tp 901 H 844 Ts 902 H 844 Tk 903 H 908 H 904 H 911 H 844 Tr 844 Tg Mahr GmbH • Multimar 844 T... - Page 13 In combination with Measuring anvils: 844 Ti, 844 Tb, 844 Tc, 844 Td 844 Tma 844 Tmi 844 Ta 844 Ti 25 Eba 844 Tw 844 Tz 844 Tb 844 Tc 844 Td 844 Tv Mahr GmbH • Multimar 844 T...
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Page 14: Care And Maintenance
Remove heavy soiling with a cloth wetted with a neutral solvent. Volatile organic solvents like thinners are not to be used, as these liquids can damage the individual components. Should you have any questions regarding the instrument, contact us and we shall be pleased to answer them. Mahr GmbH • Multimar 844 T... -
Page 15: 10. Spare Parts
Dial Indicator holder 4503214-E Milled screw M4x11 4503012 Protection bar 4503116-E Insulating handle 1 4879663-E Hexagon socket screw M3x8 all 4503212-E Milled screw M5x20 4503269-E Insulating handle 2 4503001, 4503002 4503117-E Insulating handle 3 4503003 - 4503011 4503206-E Lifting handle 4503216 Storage rack Mahr GmbH • Multimar 844 T... - Page 16 Mahr GmbH • Multimar 844 T...
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