Precision Travelling Microscope PTM-140

Precision Travelling Microscope PTM-140

  • By Chetan Kumar
  • May 29, 2026
  • 0 Comment

The Precision Travelling Microscope PTM-140 by OPXICA is a high-accuracy optical measuring instrument designed for scientific experiments, laboratory observations, and precision measurement applications. It features a robust travelling mechanism, vernier scale reading system, achromatic optics, and smooth motion controls for accurate horizontal and vertical measurements. The Precision Travelling Microscope is widely used in physics laboratories, research institutes, engineering colleges, and calibration facilities requiring precise dimensional analysis.

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    Description

    Technical Specifications

    Parameter Specification
    Model Precision Travelling Microscope PTM-140
    Brand OPXICA
    Base Type Heavy Cast Iron Base with Machined Vee-Top Surface
    Objective Achromatic 2X Objective
    Objective Focal Length 50 mm
    Eyepiece 10X Eyepiece with Cross Hair Line
    Magnification 20X Total Magnification
    Travel Range (Horizontal) Up to 220 mm
    Travel Range (Vertical) Up to 150 mm
    Vernier Reading Accuracy 0.01 mm / 0.02 mm
    Motion Control Dual Slow Motion Adjustment Knobs
    Focusing System Fine Vertical Adjustment
    Construction Heavy-Duty Laboratory Grade Metal Body
    Applications Physics Labs, Optical Experiments, Research & Measurement

    Key Features

    • High-precision measurement system for scientific applications.
    • Smooth horizontal and vertical travelling movement.
    • Accurate vernier reading mechanism with fine adjustment.
    • Premium achromatic objective for clear image observation.
    • Cross-hair eyepiece for precise alignment and measurement.
    • Heavy cast iron base for vibration-free operation.
    • Durable laboratory-grade construction.
    • Dual slow-motion control knobs for accurate positioning.
    • Suitable for educational, industrial, and research laboratories.
    • Designed for reliable long-term performance.

    Working Purpose

    The Precision Travelling Microscope is primarily used for accurate measurement of small distances, dimensions, and optical phenomena that cannot be measured using ordinary instruments. It enables precise observation and positioning of specimens through controlled horizontal and vertical movement.

    The instrument is commonly used in physics experiments involving refractive index determination, optical bench studies, lens testing, diffraction experiments, and precision calibration work. The cross-hair eyepiece helps users align measurement points accurately, while the vernier scale provides highly precise readings. This makes the microscope an essential tool in scientific laboratories and research environments where measurement accuracy is critical.


    Conclusion

    The Precision Travelling Microscope PTM-140 is an advanced laboratory instrument engineered for exceptional accuracy and reliability. Combining precision optics, smooth travelling motion, vernier scale measurement, and robust construction, it delivers dependable results across a wide range of scientific and educational applications. Whether used in research laboratories, engineering institutions, or physics departments, the Precision Travelling Microscope provides the accuracy and performance required for professional measurement and observation tasks.

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