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MarTest 800 VGM

        Test Indicator


        FEATURES

         Vertical model
        •  High-contrast dial face, sealed
          with O-ring
        •  Mineral glass viewing panel
          for best protection:
          - against cracking, scratching or
           damage caused by hot
           shavings
          - optimum resistance to solvents
        •  Matt chrome-plated protective
          casing with three integrated   Application:
          dovetail guide rails
        •  Shockproof measuring
          mechanism               •  Measurement of concentricity, alignment, parallelism and flatness
        •  Anti-magnetic model    •  Centering of bores and shafts
        •  Automatic adjustment to the   •  Parallel or perpendicular alignment of work pieces
          contacting direction ensuring
          infallible readings
        •  Ball bearing mounted double   TECHNICAL DATA
          lever
        •  Friction clutch overload    Order no.                                        4302250
          protection               Product type                                         800 VGM
        •  Package contains: case, instruc-  Measuring range  mm                         ± 0.1
          tion manual, spanner for    Graduation value        mm                         0.002
          changing the styli, stylus dia.
          ø 2 mm, mounting shaft 800a8  Measuring surface                                carbide
                                   Scale diameter             mm                          38
                                   Type of dial face                                   100– 0– 100
                                   Dial color                                            Yellow
                                   Measuring force             N                          0.25
                                   Range per rev.             mm                          0.2
                                   Deviation range f e        µm                           3
                                   Total deviation range f    µm                           4
                                                   ges
                                   Hysteresis f               µm                           2
                                           u
                                   Partial measuring span f t  µm                          2
                                   Repeatability f            µm                          1.5
                                             w
                                   Standard                                             DIN 2270
                                   Order no.  a     Measuring anvil length                           67
                                             mm           mm                     17
                                   4302250  40.5          14.5                                 17,8
                                                                                53
                                                                                               13,6
                                                                                            ø 2  110°          ø b  ø a



                                                                                   9
                                  ACCESSORIES
                                   Order no.  Product name                                                 Product
                                                                                                           type

                                   4305870  Stylus ø 1.0 mm, carbide, l = 14.5 mm                           800 ts
                                   4305850  Stylus ø 2.0 mm, carbide, l = 14.5 mm                           800 ts
                                   4305871  Stylus ø 3.0 mm, carbide, l = 14.5 mm                           800 ts
                                   4309051  Stylus ø 2.0 mm, ruby, l = 14.5 mm                              800 tsr
                                   4305868  Spanner
                                                 l
                                     M2                     d



                                   800 tb;800 tbr;800 te;800 ter;800 tl;800 tlr;800 ts;800 tsr;801 tl




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