DSC Differential Scanning Calorimeter
The Differential Scanning Calorimeter (DSC) measures the heat flow to or from a sample under controlled heating conditions. A small amount of sample (1-10 mg) is contained within a closed crucible and placed into a temperature controlled furnace. A second crucible is used as a reference. The sample is then heated by the temperature controlled furnace. The most commonly used method of temperature control is dynamic (or scanning) mode which utilizes a constant heating rate. Another mode of operation is isothermal mode and is used to maintain a constant temperature. In both of these modes, the heat flow to or from the sample is measured as a function of time and temperature.
Meet the standard：
ASTM D3418 – Standard Test Method for Transition Temperatures and Enthalpies of Fusion and Crystallization of Polymers by Differential Scanning Calorimetry.
ASTM D3895 – Standard Test Method for Oxidative-Induction Time of Polyolefins by Differential Scanning Calorimetry.
ASTM D4419 – Standard Test Method for Measurement of Transition Temperatures of Petroleum Waxes by Differential Scanning Calorimetry.
ASTM D4591 – Standard Test Method for Determining Temperatures and Heats of Transitions of Fluoropolymers by Differential Scanning Calorimetry.
ASTM D5028 – Standard Test Method for Curing Properties of Pultrusion Resins by Thermal Analysis.
ASTM E793 – Standard Test Method for Enthalpies of Fusion and Crystallization by Differential Scanning Calorimetry.
ASTM E794 – Standard Test Method for Melting and Crystallization Temperatures By Thermal Analysis.
ASTM E1269 – Standard Test Method for Determining Specific Heat Capacity by Differential Scanning Calorimetry.
ASTM E1356 – Standard Test Method for Assignment of the Glass Transition Temperatures by Differential Scanning Calorimetry.
ASTM E1782 – Standard Test Method for Determining Vapor Pressure by Thermal Analysis.
ASTM E2160 – Standard Test Method for Heat of Reaction of Thermally Reactive Materials by DSC.
ASTM E2716 – Standard Test Method for Determining Specific Heat Capacity by Sinusoidal Modulated Temperature Differential Scanning Calorimetry.
GB/T17391-1998.SO/TR 10837.1S011357-6.ASMT D3895.GB/T.1S011357-3. etc
Instrument features：
The instrument has stable performance, high precision and good repeatability!
Designed for measuring oxidation induction period in plastics and rubber industry:
Integrated design, temperature control and furnace device into one, reduce signal loss and interference, beautiful and exquisite appearance;
The furnace body adopts the upper cover structure, no need to lift the furnace body, convenient loading sample:
Equipped with standard material, users can carry out their own calibration of each temperature segment, reduce the error of the instrument;
High resolution data acquisition system, real-time data acquisition;
Intelligent adaptive monolithic microprocessor temperature control system, temperature control speed, high precision;
Perfect two-way atmosphere control system, using the original imported flow valve from the United States, can realize the automatic switching of ammonia to hydrogen in the measurement process:
Powerful management software to calculate oxidation induction period, epitaxial starting temperature, glass transition temperature, enthalpy variables. Enthalpy change ratio and other parameters;
Simple operation method, to achieve one-click testing, test results can be saved and printed:
Computer real-time display instrument status, test data and curves, easy to view.
Scope of application：
It is used to analyze the thermal effect and corresponding temperature when the physical or chemical properties of organic and inorganic materials change under the program temperature control. It can test and analyze the melting point and enthalpy change of the sample, and can also be used to determine the time of automatic catalytic oxidation of the sample under the condition of normal temperature oxygen to evaluate the thermal stability of the sample, suitable for plastics and rubber materials.
Technical parameters：
DSC ranges ±10.+20.+40.+100.+160.+200mW can be automatically switched
Temperature range RT——500°C
Temperature accuracy +0.1' ° C
Heating rate 1——30°Cin
Gas supply system nitrogen, oxygen automatic switching (user)
Gas flow rate ≤200mlmin
Gas pressure 0.2MPa
Crucible material aluminum
Power supply AC 220V 50Hz
Overall dimensions 400x350x280mm
Weight 10kg
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