Gradation Heat-Sealling Instrument (RTD-R2)Gradation Heat-Sealling Instrument (RTD-R2) Gradation Heat-Sealling Instrument (RTD-R2)
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Permability Tester
Gradation Heat-Sealling Instrument (RTD-R2) Gradation Heat-Sealling Instrument (RTD-R2) Permability Tester
Permability Tester
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Permability Tester
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Home   » Laboratory Testers » Gradation Heat-Sealling Instrument (RTD-R2)
Permability TesterGradient Heat Seal Tester (RTD-R2)
Gradient Heat Seal Tester (RTD-R2)


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RTD-R2 Gradation Heat-Sealing Instrument seals the specimen with press to test the sealing parameters at five temperature points of laminated films, coating paper and other heat sealing laminated films at the same time. The seal parameters include heat seal temperature, dwell time, and the pressure of heat seal. Different melting point, heat stability, fluidness, and thickness of heat seal materials could make heat seal properties various, that cause obviously different seal technique. Steady seal pressure, accurate dwell time, and 6 dwell temperatures of RTD-R1 Gradation Heat-Sealing Instrument enable users to get best heatsealing parameters.

  1. Characteristics
    • LCD displays data enables direct and clear glance.
    • 6 independent P.I.D. temperature control system, highin accuracy, little fluctuation.
    • Gradient temperature setting, convenient and rapid test.
    • System adjusts P.I.D. parameters automatically according to the situation, dispense with the manual changeand input.
    • Heating elements special design, even temperature, long service life.
    • Easy in pressure adjusting, and high in accuracy.
    • Dwell time is subdivided by micro-computer, high in timing accuracy.
    • Best pneumatic elements, steady and reliable performance.
    • Considerate design, friendly human-equipment interaction.

  2. Structure
    • Mechanical-electrical integration of control system, seal parameters could be changeable in certain extent and be displayed on LCD.
    • 6 temperatures are available at the same time, the gradation of temperature could be 20 .
    • Solid heat sealing device, specially designed heating elements, even heat emission, long service life.
    • High in automation, friendly human-equipment interaction.


  3. Technical data
    • Seal temperature: Room temperature~250
    • Dwell pressure: 0.05~0.7MPa
    • Dwell time: 0.1~999.9s
    • Accuracy of temperature: ±0.2
    • Gradation of temperature: 20
    • Seal surface: 25mm×10mm×5pieces
    • Gas supply pressure: 0.7MPa
    • Power: AC 220V 50Hz
    • Power consumption : 600W
    • Dimension: 426(L)mm×430(B)mm×380(H)mm
    • Net weight: 51kg
    • Note: Users provide gas resources for themselves.


  4. Applications
      The testers found applications in following :
    • Physical Properties Testing
    • Plastic & Paper Testing
    • Laboratory Testing
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