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LH72 Magnescale
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  • Specifications
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High performance Lathe specific counter.

  • Counter for Lathe (LH72-3)
  • Display Resolution Switching
  • Machine error compensation
  • Data Storage
  • Reset/Preset
  • Detecting Reference Point of Measurement Unit
  • Program function
  • Scaling
  • Lathe function (Tool coordinating / Adding function)



Magnescale reserves the right to change product specifications without prior notice.

Display7 digits and minus display
Connectable measuring unitGB-ER, PL20C (Direct) / DG-B (Necessary to use the conversion adaptor which is sold separately)
Measuring unit input resolutionStandard: 0.1 μm, 0.5 μm, 1 μm, 5 μm, 10 μm, 1 s, 10 s, 1 min, 10 min Expanded: 100 μm, 50 μm, 25 μm, 20 μm, 2 μm, 0.05 μm, 1 degree can be added
Display resolutionMeasuring unit input resolution or higher and diameter display (except for angle display)
Input signalA/B quadrature, Z phase (Conforms to EIA-422)
Minimum input phase difference100 ns
Quantization error±1 count
AlarmDisplayMeasuring unit disconnected, Excess speed, Maximum display amount exceeded, Power failure, Error in stored data
ResetResettable by key switch
PresetIt is possible to store/call 3 kinds of numbers.
Reference point detectionThe reference point of the measuring unit can be detected
Data storageThe value displayed before the power was turned off and setting values are stored
Linear compensationA fixed compensation amount is applied to the measuring unit's count value. Compensation amount Standard: ±600 μm/m (Expanded: ±1000 μm/m)
Segmented error compensationThe movement range of the measuring unit with a reference point can be divided into amaximum of 32 sections, and error compensation is performed for each of these sections. Compensation amount: ±600 um (at each section)
ScalingScaling factor:0.100000 ~ 9.999999
  • Machining coordinates can be programmed (number of program steps: 850 max.)
  • 1. Manual programming by key switch
  • 2. Automatic programming by playback
  • 3. Mirror image during program execution
  • 4. A canned cycle (bolt hole
Angle displayCan be displayed as an angle value when the Digiruler is pasted to the arc surface
SleepThe display is turned off when no operations are made for a preset time. (The time can be set.)
Display2-axis display (2-axis or 3-axis input)
Tool offset99
Measuring unit input addition22-axis addition display is available
Display holdThe displayed value can be held and the tool coordinate entered.
Power supplyDC 12 V Rating 0.75 A Max. 1 A AC 100 V to 240 V ±10 % When using the AC adaptor PSC-22 (For U.S. only) or PSC-23 (For Europe and other countries) *Option
Power consumptionmax.32 VA (connected at the AC adaptor.)
Operating temperature0 ~ 40°C (non condensing)
Storage temperature-20 ~ 60°C (non condensing)
MassApprox. 1.5 kg


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Setup manual

Product nameInitial setupInitial setup (example)Display resolutionPresetTool offset functionSegmented error compensation
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LH72 SeriesJapaneseLH72 Catalog Japanese PDF
LH72 SeriesEnglishLH72 Catalog English PDF

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