Precision Linear scales


SG series of Linear Scales are widely used with Sinowon profile projectors, toolmaker microscopes, video measuring machines etc. SG Linear scale has good dynamic performance, great moving speed, and perfect reliability, not only can they meet the requirements of normal shaft dynamic performance, but also the requirements of direct drive equipment of highly dynamic performance.

Brand : CHOTEN


Precision Linear scales
Brand : CHOTEN

Product Feature :

  •  It adopts the advanced coating replication technology of glass grating, which ensures the accuracy of glass pitch, the benchmarks of main and auxiliary grating.
  • It adopts the imported electronic components and uses the latest STM chip mounting technology that ensures the durability of electronic components for each linear encoder.
  •  Scan read system adopts the reliable and durable five-bearing design, it ensures the movement of optical induction system smoothly and durably.
  • It adopts the double anti-oil, high elasticity and anti-aging plastic as dust-seal, it ensures optimum sealing performance and minimal friction force.
  • It adopts the positioning spring as position controller for the scan read, it ensures the movement of bearing pulley durably and smoothly even in the condition of high-speed.
  • It is strictly inspected by testing instrument for each glass, electronic components, dust-seal and snake skin tube, it ensures that each linear encoder can pass the calibration of the laser intrferometer smoothly.


Specifications :

Product NameLinear Scale SG Series
Max. Working Speed60m/min60m/min10m/min
Grating Pitch20μm20μm10μm
Output SignalTTL,RS422TTL,RS422TTL,RS422
Grating Measuring SystemTransmission infrared optical measurement system, infrared wavelength:880(um)
Measuring Length25~600mm
Scan Unit Rolling System90° five ball bearing rolling system
Working Voltage5V±5%DC
Working EnviromentTemperature : -10~45°C; Humidity:≤90%
Accuracy50≤ML≤500mm :  Accuacy: ±3μm
510≤ML≤600mm: Accuracy: ±5μm

Order Code of Linear Scales

Sinowon Precision Linear scales of Optical Measuring Machines
Working Length (mm)50100150200250300400500600
Resolution 1umSG1-050SG1-100SG1-150SG1-200SG1-250SG1-300SG1-400SG1-500SG1-600
Resolution 0.5umSG0.5-050SG0.5-100SG0.5-150SG0.5-200SG0.5-250SG0.5-300SG0.5-400SG0.5-500SG0.5-600
Resolution 0.1umSG0.1-050SG0.1-100SG0.1-150SG0.1-200SG0.1-250SG0.1-300SG0.1-400SG0.1-500SG0.1-600

Remark: The standard signal is single TTL, the optional signal is double TTL.

Scales Connector pin functions:

Pin No.SignalSignal  Wire ColorTypeCurrent Spec
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