MAHR Digital test indicator

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

 

MarTest 802 EW Digital 3D touch probe

 

Technical data

Order no.Product typeMeasuring range mmMeasuring range inchResolution mm/inchSpan 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