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    Laser Diameter Gauge, Single Axis, 0.1-40mm

    Laser diameter gauge, available at a competitive price, is designed for precise measurement of cylindrical objects such as wires, cables, tubes, and rods within a range of 0.1-40mm. Utilizing advanced laser technology, this single axis laser diameter gauge ensures high accuracy and reliability in diameter size measurement.
    SKU: ATO-LDG-40A
    30-day Returns
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    Delivery date: 6-12 days

    Single axis laser diameter gauges are highly accurate and precise, often capable of measuring diameter sizes with micrometer-level tolerances. These laser measuring devices are widely utilized in various industries, including wire and cable manufacturing, metalworking, plastics extrusion, and textile production.


    • Laser diameter gauge is a measurement of diameter value, with a multi-angle display of the operation panel.
    • This laser diameter measuring equipment adopts fully automatic closed-loop control technology and advanced DSP processing technology.
    • The measurement process is not affected by speed and vibration.
    • It comes with an over-tolerance alarm function.
    • It adopts high-quality stainless steel fasteners, an aluminum die-casting shell, a plastic spraying surface, and good corrosion resistance.
    • RS232/485/MODBUS protocol communication interface.


    Model ATO-CJY-40A
    Measuring Range 0.1-40mm
    Measuring Accuracy ±2μm±0.008%Dz mm (Dz is the actual diameter of the measured object)
    Resolution Ratio 0.001mm
    Scanning Speed 1400 Times Scanning Cycle/Second
    Power Supply 100~240V AC, 1A
    Working Frequency 50/60Hz
    Display Method Two-Row 5-Digit Pipe Display
    Light Source Second Generation Visible Laser, Wavelength 650nm
    Working Principle Non-Contact Laser Scanning
    Data Collection and Analysis Support (Need to connect to an external computer and install related software)
    Out-of-Tolerance Alarm Function Dual relay contact output, upper and lower deviation signals are output separately (External sound and light alarm 24V DC and below)
    Working Temperature 0~45℃
    Relative Humidity ≤85%RH (No Condensation Water)
    Other Environmental Requirements The air does not contain corrosive gases, serious volatile oils, water vapor and dust.
    Power Consumption ≤15W (with Adapter + 40W)
    Communication Mode Communication Method: Use RS485 interface, MODBUS RTU protocol/TCP protocol (Ethernet) to communicate with other devices
    Protection Grade IP65
    Dimension 332*76*325mm (L*W*H)
    Weight 4.4kg

    Dimension (Unit: mm)

    Laser diameter gauge 40mm dimension

    Tips: Can laser diameter measuring gauges measure moving objects?

    Laser diameter gauges have certain technical challenges when measuring moving objects, but they are feasible under certain conditions. Such instruments usually use a laser beam to scan the object and calculate the diameter of the object by the received reflected light signal or by the time the beam is blocked. For moving objects, the key lies in the response speed and data processing capabilities of the laser measuring instrument.

    If the object moves slowly and the trajectory is stable, modern high-precision laser diameter gauges can quickly capture data and perform real-time calculations to accurately measure the diameter of the object. For high-speed moving objects, high-frequency laser pulses and high-speed data acquisition systems are required to ensure multiple sampling in a very short time to obtain accurate measurement results. In addition, the combination of high-speed camera technology and image processing algorithms can also improve the measurement accuracy of fast-moving objects.

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