m&h Laser Tool Setter LTS35.65

m&h LTS35.65 - the standard Laser Tool Setter

The standard laser tool setter for non-contact tool measurement, for reliable and quick machine setup, tool wear and tool breakage control. A low cost system for the majority of measuring tasks on tools from Ø 0.030 mm, with significant advantages compared to previous common standard instruments. Compared to the conventional systems, the electrical connection is significantly simpler.

An air curtain connection from the on-board pneumatics is all that is required in the majority of cases. Only two spare M functions are required in the control, an aspect that simplifies the electrical installation and keeps down the machine-related costs and effort.

  • Determination of tool length
  • Measurement of tool radius
  • Detection of broken tools


  • TCS technology (True Cutting Scan) - for the highest precision
  • Smallest tool diameter 8 µm
  • Tool cleaning using Laval nozzle with supersonic pressure
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  • Focal point 50 μm
  • Smallest tool diameter 30 μm
  • Fast tool breakage control under almost all conditions



  • Scans the really longest cutting circle
  • Searches the longest cutting circle diameter
  • Uses this to the exact length measurement
  • Correct tool length measurement


  • Determines the real tool length
  • High precision length measurement
  • High-end functionality - exclusively from m&h


  • Laval nozzle with supersonic pressure
  • Tool cleaning in measuring position
  • Tool cleaning with nominal rotation speed for optimum cleaning results
  • Minimal cleaning distance
  • Sealing cap prevents penetration of foreign objects and liquid


  • Complete closing shutter unit
  • Cleaning by air blast without additional air pressure consumption
  • Air curtain during the measuring process prevents soiling of the optic
  • Reliable closing after measuring process
Precision and process reliability
  • Precision measurements of the tool cutting edges at nominal speed
  • Special supersonic cleaning jet prevents incorrect measurements due to adhering material particles
  • Software algorithms eliminate the effects of coolant drops
  • No interference from ambient light

Sturdy design

  • Laser optics protected using shutter unit
  • Air curtain prevents dirt particles entering the device
  • Measurement system sealed according to IP68 standard

Operation suitable for the workshop

  • Simple mounting and setup without special pneumatic unit
  • Simple orientation and mechanical definition of the focal point
  • Simple and reliable calibration and setup of the laser unit

Applications and measuring routines

  • Measurement of the effective length and diameter with nominal speed
  • Length compensation of dynamic changes in tool position
  • Correction of tool length in case of thermal change and thermal drift on the spindle or machine axes
  • Diameter compensation for dynamic changes in the rotational diameter of a tool
  • Detection of tool wear and radius compensation
  • Monitoring of runout, tool change and clamping errors
  • Tool breakage control
  • Individual cutting edge breakage control
 Repeatability  0.1 μm (2 σ)*
 Power supply  24 VDC / max. 500 mA
 Laser  Centrally focused / 639 nm / 1 mW
 Laser safety class   2 (IEC825)
 Temperature range  Operation: 10 °C - 50 °C
 Storage: 5° - 70° C
 Material  Stainless steel
 Protection class  IP68: EN60529 (connected, air-curtain on)
 Material  Stainless steel
 Service life  >1 million ON/OFF cycles tested
m&h Laser Tool Setters Brochure
Operating Instructions
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