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MAHR Digital test indicator

MarTest 800 EWL Digital test indicator
  • Inductive measuring system
  • Battery life approx. 2 years
  • Operating unit is protected against coolants and lubricants, protection class IP65
  • Combined analog and digital display
  • Operating and display unit (bezel) can be rotated through 360°
  • Satin chrome finished housing with 3 dovetail guideways
  • Shockproof
  • Movement bearings are jeweled
  • Automatic matching to sensing direction
  • Anti-magnetic
  • Double lever supported in ball bearings
  • Overload protection provided by slip clutch

 

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Description

MarTest 802 EW Digital 3D touch probe

 

Technical data

Order no. Product type Measuring range mm Measuring range inch Resolution mm/inch Span of error fe (µm) Total span of error fges (µm) Hysteresis fu (µm) Partial measuring range ft (µm) Repeatability fw (µm) Measuring force
4305120
800 EW
± 0.4
± .015″
0.001 / .00005″
10 µm
13 µm
5 µm
5 µm
3 µm
0.13 N
4306120
800 EWL
± 0.25
± .010″
0.001 / .00005″
10 µm
13 µm
7 µm
5 µm
3 µm
0.07 N

 

Functions

  • ON/OFF
  • RESET (set display to zero)
  • mm/inch
  • MAX/MIN memory for searching the reversal point
  • TIR (MAX-MIN) for testing flatness and concentricity