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MAHR Precimar PLM 600-E Precision length measuring machine

The PLM-E precision length measuring machine is an Abbe compliant comparator mounted on highly homogeneous rigid granite in a horizontal configuration

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Precimar PLM 600-E Precision length measuring machine


  • Sensitive adjustment in 5 axes, and object table with a loading capacity of 35 kg
  • PC-based, multi-axis machine control, including PC workstation and 828 WIN “Free measurement” basic software
  • Simple operating procedure by means of measuring force-adjusted and joystick-controlled measuring slides with progressive deflection characteristic and automatic contact detection
  • Automatic detection of outside and inside measurements and computer-aided search for reversal points
  • The motorized measuring slide allows for high travel speeds
  • The CNC-controlled vertical and cross adjustment of the universal measuring table facilitates highly efficient measuring
  • State-of-the-art machine control (MarEcon)
  • Recording, processing, logging and transfer of measurement data via powerful software and menu-driven controls
  • Software compensation of thermal dimensional deviations
  • Very easy to set the measuring force using the software
  • Aerostatic guides for all slides mounted on the machine bed ensure low measurement uncertainties
  • Electronic generation of measuring force and automatic contacting
  • Subjective influences largely eliminated and unintended collisions with the test piece avoided.
  • Automatic bore and inner thread measurement
  • Automatic TY adjustment: What’s unique is that a manual TY-adjustment is still possible
  • Motorized tilting axis (TB) for alignment. Alignment is carried out via the manual control panel or using the 828 WIN software.
  • A factory calibration or DAkkS/DKD calibration is available for the Precimar PLM-E

Technical Data

Measuring range for outer measurement [mm]
0 bis 600
Measuring range for inner measurement [mm]
0,5 to 445
Direct measuring range [mm]
Position deviation / error limit (L in mm) [µm] *
≤ (0.07 + L/2000)
Measuring uncertainty MPEE1 (L in mm) [µm]
≤ (0,085 + L/1500)
Measuring forces [N]
0 to 13.9
Repeatability [µm]
≤ 0.05
Contacting speed with joystick (max)
8 mm/s
Device length [mm]
Mass [kg]
Table surface (A x B) mm
150 X 300


Calibration of:

  • Plain plug gages and gage rings
  • Setting gage rings
  • Snap gages
  • Spherical gage blocks, internal micrometers
  • Gage blocks
  • Thread gages
  • Taper thread gages
  • Gear gages
  • Dial indicators
  • Dial comparators
  • 2 point bore gages
  • Outside micrometers
  • 2 point inside micrometers
  • Precision length measurement
  • Measurement of thin-walled and deformed workpieces


  • Large number of accessory kits and modular components for completing a wide variety of measuring tasks, including the measurement of:
  • Thread gages
  • Conical thread gages
  • Gears
  • Thread pitches