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Linear Encoders
    2-Chan. A quad B ID4501L
    2-Chan. A quad B ID1102L
    3-Chan A quad B + I IT3402L
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3-Chan A quad B + I IT3402L


IT3401L Incremental Linear Encoder with Scale

  • Highly miniaturized linear encoder
  • Differential inductive sensing principle
  • Insensitive to magnetic interference fields
  • Robust against dust, particles, oil, grease, humidity, liquids 
  • Ultra-thin encoder and scale: 0.9 mm each
  • Optional with cable, connector and encoder-holder


Technical drawing IT3401L

  • Linear drives
  • Voice coil actuators
  • X-Y stages
  • Robotics
  • Industrial/laboratory automation
  • Pick & place assembly equipment
  • Hydraulic/pneumatic actuators
  • Dosing/dispensing
  • High speed motion control  

Key Specifications

Electrical connections IT3402L
Output signals A quad B and Index 
Phase shift 90 ± 45°
Duty Cycle 180 ± 50°
Resolution 75 µm down to 37 nm
Maximum speed 0 to 10 mm/s (resol. 37 nm) up to 11 m/s (resol. 75 µm) 
Supply 5.0 +/- 0.5 V, 30 mA typ.
Temperature -40 to 125°C
Airgap Nominal 0.2 mm, max 0.6 mm


 Scale type TPLD03

 204 mm

 Nr Indexes


 Index position



 7.5 mm


 0.73 mm

Scales with other dimensions and custom scales are available upon request.

Evaluation and Programming Tool

Evaluation and Programming Tool

The evaluation and programming tool consists of an interface board and a software that allow you to:

  • Evaluate a POSIC encoder and compare it with a reference encoder
  • Program the resolution
  • Program an encoder identification number
  • Program a LookUp Table for linearization


Go to the Evaluation and Programming Tool page

Buy linear encoder kits and the corresponding Evaluation & Programming Tool in our webstore at www.posic.weebly.com/store



 Document PDF

Evaluation and Programming Tool
 Document PDF


3D drawings in STEP format


Encoder-Holder A

Linear scale

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