MarTest | Test indicator

MarTest 800 SG

Art. no. 4307200

Test indicator MarTest 800 SG
DIN 2270
Measuring range mm: ± 0.4 mm
Graduation value mm: 0.01
Package contains: spanner for changing the styli, stylus dia. ø 2 mm, mounting shaft 800a8, test certificate, instruction manual, case

MarTest 800 SG
  • High contrast dial face, sealed with an O-Ring
  • Mineral glass viewing panel for best protection:
    - against scratching or damage caused by hot shavings
    - optimal resistance to solvents
  • Matt chrome-plated protective casing with three integrated dovetail guide rails
  • Shockproof measuring mechanism
  • Anti-magnetic model
  • Automatic adjustment to the contacting direction ensuring infallible readings
  • Ball-bearing mounted double lever
  • Overload protection thanks to friction clutch
Product type 800 SG
Measuring range mm ± 0.4
Range per rev. in mm 0.8 mm
Graduation value mm 0.01 
Span of error fe (µm) 10 µm
Total span of error fges (µm) 13 µm
Partial measuring range ft (µm) 5 µm
Measuring value hysteresis fu (µm) 3 µm
Repeatability fw (µm) 3 µm
Measuring force 0.15 N
Figur on dial face 40-0-40
Dial color Yellow
Scale diameter 38 mm
Dimensions a 40.5 mm | c 13.6 mm | d 17.8 mm | e 75 mm | f 99 mm
Dimensional drawing 1

Variety of applications for our products

  • Measurement of concentricity, alignment, parallelism and flatness
  • Centering of bores and shafts
  • Parallel or perpendicular alignment of work pieces
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