Marameter | Indicating snap gage

Marameter 840 FM

Art. no. 4452002

Indicating snap gage Marameter 840 FM
Measuring range mm: mm
Package contains: flat contact point 903 (steel), instruction manual, wooden case, excludes indicator

Marameter 840 FM
  • Rugged, forged steel frame with heat insulators
  • Measuring spindle is mounted in long guideway with lever controlled retraction
  • Measuring spindle and anvil spindle made of hardened stainless steel; with extending carbide-tipped measuring jaws
  • Anvil spindle can easily be fine adjusted
  • Constant measuring force as a result of built-in spring, eliminating user influence
  • Maximum wear resistance due to non-contact positioning in conjunction with carbide tipped measuring faces in conjunction with carbide-tipped measuring faces
Product type 840 FM
Application range mm 80 - 130
Tooth spans
Measuring span in mm 2.5 mm
Size of measuring surface in mm 15 x 17 mm
Parallel error in µm 3 µm
Flatness in µm 0.5 µm
Repeatability fw (µm) 1 µm
Measuring force 9 N
Dimensions a 19 mm | b 258 mm | c 162 mm | e 70 mm | f 141 mm | g 16 mm | h 20 mm | k 31 mm | l 87 mm | m 17 mm | p 15 mm | t 17 mm
Dimensional drawing 1

Variety of applications for our products

  • For inspection of diameters of small hubs, registers and shoulders on shafts
  • Can be used to inspect tooth span Wk and reference-free tooth thickness on spur gears having straight and helical teeth
  • Universally applicable and extremely versatile, each instrument offers long measuring range within its adjustable range

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