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Induction Heating

คือ กระบวนการใช้ความร้อนเหนี่ยวนำโดยที่ชิ้นงานที่มีคุณสมบัตินำไฟฟ้าได้ถูกวางไว้ในขดลวดทองแดงที่มีการผ่านไฟฟ้ากระแสสลับ ซึ่งทำให้เกิดสนามแม่เหล็กขึ้นภายในขดลวด โดยสนามแม่เหล็กที่เกิดขึ้นนี้ทำให้เกิดกระแสไฟฟ้าไหลภายในชิ้นงานด้วย และเนื่องจากชิ้นงานมีความต้านทานไฟฟ้าโดยธรรมชาติ ดังนั้น การไหลของกระแสไฟฟ้าก็จะทำให้เกิดความร้อนขึ้นภายในชิ้นงาน

หลักการทำความร้อนเหนี่ยวนำนี้เปรียบเทียบได้กับหม้อแปลงไฟฟ้าคือขดลวดทองแดงก็คือขดลวดปฐมภูมิ และชิ้นงานก็คือขดลวดทุติยภูมิ

What is Induction Heating??

Induction heating is the process where an electrically conductive workpiece is placed in a copper coil through which an alternating current flows. The magnetic field created by this alternating current causes current to flow within the workpiece. Since the workpiece has an inherent electrical resistance to the current flow, heat is generated. The induction heating principle is traced back to that of the transformer effect. The primary winding is the coil and the secondary winding is the workpiece.

Induction Heating Benefits

    Rapid Heating
    Rapid Startup
    Environmentally Sound
    Reduced Scale
    Energy Savings
    Fewer Defective Parts
    Increased Productivity
    Greater Consistency
    Lower Maintenance

Suitable instrument for the application

Metis Series

    1 and 2 color Pyrometers
    High Accuracy/Repeatability
    Self Contained with Adjustable Focus Optics
    Laser, Through Lens or Video Sighting
    Digital and Analog Outputs
    Fast Response and Small Spot Size
    Fiber Optic Versions

PSC Sirius

The Sirius line of Pyrometers was developed to meet the growing demand for small, compact and easy-to-install sensors with first-class optical and electronic characteristics. Sirius-Pyrometers provide digital/analog outputs and operate at short wavelengths, therefore are an excellent choice for measurement of ferrous and non-ferrous metals above 250?C.

    DG40-N/DS40-N (2-Wire Loop Powered 4-20mA Sensors)
    Self Contained, Rugged S. Steel Construction
    Laser or Green LED ( 4 wire operation )
    Digital communication with Software
    Built-in Peak Picker Circuitry
    S. SteeI Water Cooling jacket / air purge ( Optional)
    Fiber Optic Version
    PSC-SSS-1M/2M/3M & PSC-SSS-Laser-1M /2M/3M
    Low Cost OEM Sensors
    Ultra Small Sensor Head or Dual Laser Aiming Version
    Short Wavelength for Best Accuracy, 0.3% of reading
    Multiple Outputs/Alarms
    Ethernet communications ( Optional)
    Built-in Temperature Display
    High Ambient Temperature Rating of Sensor-up to 120° C
    DSF-30NG/ DSF-34 NG Low Cost Fiber Optic Model
    Wide temperature range from 600?C to 1800?C
    Loop-Powered sensor with 4-20mA output (DSF-30NG)
    Simple installation and operation
    Robust air purge design for maintenance-free operation
    Digital RS485 communications (DSF-34NG Version)
    Integrated peak picker

PSC-CS-Laser-2MHDigital, Self Contained Pyrometer

    High Accuracy, High Repeatability
    High Resolution Optics with Dual Laser for Precision Targeting
    Loop powered or 4 wire design ( for use with Laser operation)
    On-Board or Remote Emissivity Adjustment
    Fast Speed of Response with Alarm Output
    PSC Connect software for IR sensor parameter configuration
    Stainless Steel Construction

Process Thermal Imaging Systems

    High resolution for process measurement and control
    UPFA detector (640x480 array)
    Real time operation....30Hz
    Digital communication and multiple 4-20mA outputs (optional)
    Used for profiling/controlling temperature of metal slabs
    Multiple alarms - Regions of Interests (ROI's)

PTI-170L-HT

    -4°F to 2732°F (-20°C to 1500°C)
    Manual Focusable Optics 300mm to Infinity
    Hot / Cold Spot Detection ( up to 4 spots ) with Audible Hi/Lo Alarms
    Onboard CCD camera—640X480 pixels, full color
    Video output—PAL and NTSC formats
    Real Time 60HZ Frame Rate
    Accuracy: 2°C or 2% of Reading
    Laser Pointer & Darkness Illuminator
    Large 3.5" LCD display, Color VGA 640 X 480
    Palettes: 6 different selections
    High Capacity Memory storage: Up to 2G on removable SD Card
    Light Weight ( 650g )

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