SJ217 Precision height measuring instrument
  • Item No.: SJ217
    Product name: SJ217 Precision height measuring instrument
    Measuring range: 0~50mm
    Resolution: 0.01μm
  • Accuracy: ±0.2μm
    Repeatability: 0.1μm
    Display: 4.3" touch screen
    Application: Measure height of workpiece
  •                        Calibrate dial indicator testing machine
    Manufacturer: Chotest Technology Inc.



§≡≡≡≡   Functions   ≡≡≡≡

1. High accuracy(precision Heidenhain glass-scale, precision guide rail)

2. High reliability(100,000 repetitive experiments)

3. High speed: fast measurement and stable indication value

4. Easy to calibrate

5. Wide application: Manual measurement or positioning of equipments. Fast, accurate, reliable measurement for length, separation distance, height, thickness or linear displacement.



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§≡≡≡≡  Parameters  ≡≡≡≡
Item No. SJ217
Configuration 50mm measuring spindle +SJ101+Ceramic object table+software
Measuring range (0~50)mm
Measuring system Precision Heidenhain incremental linear encoder system
Driving type Spring
Accuracy (20°C) ±0.2μm
Repeatability 0.1μm
Resolution 0.01μm
Speed <7.2m/
Measuring force 1.25N~1.75N(Vertical), 0.6N~1.1N(Horizontal)
Display 4.3" touch screen
Measuring tip Alloy measuring tip with spherical face(plain face, needle face and eccentric probe are optional)
Interface RS-232C
Input voltage AC 100~240V 50~60HZ
Function Automatic zeroing/Pre-setting values/data storage/data calibration
Unit mm / inch
Operating temperature (20±0.5)


§≡≡≡≡  Description  ≡≡≡≡

SJ200 series is precision measuring instrument with large measuring range, which are particularly designed for various industrial domains and testing institutes. On basis of Heidenhain precision linear encoder system, exact adherence to the Abbe principle, designed as optimal mechanical and thermal stability, SJ200 series possesses features of high accuracy, high stability, high repeatability, etc.

SJ200 series is widely used for product testing, multiple points testing, measuring devices monitoring and position measurement.

Resolution of SJ217 is up to 0.01 um; Measuring range is 50mm. Repeatability is better than 0.1um.

Accuracy as fine as ±0.2μm at 20℃. SJ101 is controlled by touch screen operation; Built-in calibration system and data calculating & savingfunction.

Specialized software.


§≡≡≡≡      Package    ≡≡≡≡


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