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Thermal Analyser

Offering you a complete choice of products which include Rigaku DSC Thermal Analyser, Rigaku TG-DTA Thermal Analyser, Rigaku TG-DTA/HUM Thermal Analyser, Rigaku TDL Thermal Analyser, Rigaku TMA Thermal Analyser and Rigaku TMA/HUM Thermal Analyser.

Rigaku DSC Thermal Analyser
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BrandRigaku
ModelStandard type 8231, High temperature type 8271
Cooling UnitSiphon type, circulator type, LN2 auto feed type
Auto Sample ChangerSamples 24, Reference samples 3, Calibration samples 5
Measurement MethodHeat Flux Method
Measurement AtmosphereAir, inert gas, gas flow
Maximum Sample Amount100 microliter(Standard type 8231), 50 microliter(High temperature type 8271)
Measurement Temperature Range-150 Deg C to 725 Deg C (up to 750 Deg C) (Standard type) , Ambient to 1500 Deg C (High temp type)
Maximum Heating Rate100 Degree C/min(Standard type 8231), 20 Degree C/min(High temperature type 8271)
Noise LevelLess than 0.5 microwatt (RMS)
Measurement Range+/-100 Microwatt to +/- 100 Milliwatt, +/-1 Milliwatt to +/- 100 Milliwatt

DSC is a thermoanalytical technique in which the difference in the amount of heat required to increase the temperature of a sample and reference is measured as a function of temperature. DSC can be used to measure a number of characteristic properties of materials. Using this technique it is possible to observe fusion and crystallization events as well as glass transition temperatures and can be also used to study oxidation, as well as other chemical reactions.

It is widely used in industrial settings as a quality control instrument due to its applicability in evaluating sample purity and for studying polymer curing.

Basically, Rigaku has the lineup of two kinds of heat-flex DSC meeting market needs: standard type and high-temperature type. The standard DSC has further an extensive lineup of cooling systems.

We can set maximum 24 samples and aside from continuous measurements, it can also perform single measurement as well as interrupt-a-sequence measurement.

Features
  • High sensitivity, high performance and low noise, realized by a compact furnace
  • Quick gas substitution enabled by the compact furnace
  • Remarkable heating and cooling rates that enhance the efficiency of measurement
  • Safety is emphasized on the entire system

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Rigaku TG-DTA Thermal Analyser
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BrandRigaku
ModelTG-DTA
Measurement AtmosphereAir, inert gas flow, gas flow, vacuum, water vapor
Measurement MethodHorizontal differential triple coil balance system
DTA Range2000 microvoltage(FS)
Automatic Sample LoaderSamples 24, Reference samples 3, Calibration samples 5
Sample MassUp to 1 g
TG Range500 mg (FS)
TG Resolution0.1 microgram

Simultaneous Thermal Analysis (STA) generally refers to the simultaneous application of thermogravimetry (TG) and differential thermal analysis (DTA) to one and the same sample in a single instrument. The measurement conditions are perfectly identical for the TG and DTA signals (same atmosphere, gas flow rate, vapor pressure of the sample, heating rate, thermal contact to the sample crucible and sensor, radiation effect, etc.). Rigaku adopts the horizontal differential triple-coil balance system which is the mainstream mechanism because the thermal drift which apparent mass change with increasing temperature becomes negligibly small.

TG can provide information about physical phenomena, such as second-order phase transitions, including vaporization, sublimation, absorption, adsorption, and desorption, while DTA can provide information on the transformations that have occurred, such as glass transitions, crystallization, melting and sublimation.

The Infrared heating furnace can be selected for quick heating and cooling. The sample is heated by infrared radiation emitted from infrared lamp.

The sample holders are easily replaced adopting the plug-in type holder. When replacing sample holders due to spillage, maintenance is quite simple. The auto sample changer can be attached to the standard TG-DTA. We can set maximum 24 samples and aside from continuous measurements, it can also perform single measurement as well as interrupt-a-sequence measurement.

Dynamic TG mode that is a sample controlled thermogravimetry (SCTG) where the heating rate is controlled in response to mass changes in the system's properties is equipped as the standard function.

The information gathered can even be enhanced by coupling the TG-DTA instrument to an Evolved Gas Analyzer (EGA) such as mass spectrometry (MS).

Features
  • Accurate compensation on horizontal differential triple-coil balance
  • Compact furnace greatly speeds up heating and cooling
  • Dynamic TG measurement modes
    • Stepwise isothermal analysis (SIA) method
    • Constant rate control (CRC) method
  • Measuring temperature range
    • Ambient to 1100 °: 8122 standard model
    • Ambient to 1500 °: 8122 high-temperature model
  • Operating temperature range (maximum)
    • 950 °: Infrared heating furnace model
ModelTG-DTA Standard modelHigh-Temperature model TG-DTAStandard model TG-DTA with infrared heating*1High-Temperature model TG-DTA with infrared heating*1*2
Measurement temperature rangeAmbient to 1000°CAmbient to 1500°CAmbient to 950°CAmbient to 1500°C
Heating rate100°C/minAmbient to 700°C (120 sec)*3Ambient to 1000°C (60 sec)*3

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Rigaku TG-DTA/HUM Thermal Analyser
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BrandRigaku
ModelTG-DTA/HUM
Humidity Generation MethodBubbling bath/ dry gas combination method
Humidity RangeAmbient to 60 Degree C, up to 90% RH
Humidity SensorPolymer type relative humidity sensor
Temperature Measurement ElementPt resistance temperature sensor
Duration for Continuous Humidity Generation60 Degree C, 90% RH for 100 hrs continuously

The compact humidity generator is connected to the TG-DTA for measurements under water vapour atmosphere with constant relative humidity. Equipped with a polymer type humidity sensor and high precision temperature sensor, its response to various water vapour concentrations is quick and stability for longer measurement is realized. It enables the user to perform heating under a constant relative humidity. For standard furnace, it can measure from dry to 90%RH at ambient temperature; and from dry to 90%RH using the specialized furnace at ambient to 60°C through the circulator temperature control.

Humidity is known to have a significant influence on the stability of many materials. In many industrial applications, ambient temperatures and humidity have a major impact on the quality of products and processes. Defective installations or production facilities, such as switchboards, electronically controlled machines and drives, damaged electrical equipment or electrical interference can cause damages, interruptions and quality losses that result in financial and/or material losses.

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Rigaku TDL Thermal Analyser
  • Rigaku TDL Thermal Analyser
  • Rigaku TDL Thermal Analyser
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BrandRigaku
ModelTDL
Maximum Heating Rate100 Degree C/min
Measurement MethodCompression Loading Method
Measurement AtmosphereAir, inert gas or gas flow
Auto Sample Changer30 samples
Measurement Temperature RangeAmbient to 1100 Degree C
Measurement Range5000 micrometer(FS)
Detection SystemDifferential Expansion Method
Standard Sample Size5 mm diameter (max 9 mm diameter), 10 - 20 mm (length)
Length10 - 20 mm
Material of Support Pipe and Detection RodSiO2
Maximum Load1000 mN
TypeStandard

Thermodilatometry (TDL) is a thermal analysis technique in which a constant load is applied to a sample, and the amount of expansion and/or shrinkage of the sample is measured during heating.

TDL8411 adopts Rigaku's established reputation on differential expansion principle where the thermal expansion or shrinkage generated from the detection mechanism itself can be cancelled. It offers high accuracy and excellent reproducibility in expansion and shrinkage measurements, even with low expansion materials and samples with low-thickness.

Automatic length determination function is available where the sample length is automatically measured and can be registered. It facilitates the operation for continuous measurement.

We can set maximum 24 samples and aside from continuous measurements, it can also perform single measurement as well as interrupt-a-sequence measurement.

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Rigaku TMA Thermal Analyser
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BrandRigaku
ModelTMA
Measurement Range5000 micrometer(FS)
Detection SystemDifferential expansion, Non-differential expansion
Maximum Heating Rate100 Degree C/min (low temperature furnace 20 Degree C/min)
Measurement AtmosphereAir, inert gas or gas flow
MaterialSiO2, Al2O3
Maximum Load1000 mN
Measurement Temperature RangeAmbient to 1100 Degree C, Ambient to 1500 Degree C, Ambient to 600 Degree C

TMA is the measurement of a change of a dimension or a mechanical property of the sample while it is subjected to a temperature regime.

TMA uses interchangeable probes at varied loads to make a number of measurements, including the softening temperature or glass transition temperature, tensile modulus, compression modulus, the thermal expansion, melting temperature, crystalline phase transition temperature, crystalline to amorphous transition temperatures, and creep under load, by measuring the change of a dimension of a material.

TMA includes several variations according to the attachment probe and the methods of the attachment probe are applied: compression loading, tensile loading, penetration, 3-point bending methods.

Rigaku adopts differential expansion principle where the thermal expansion or shrinkage generated from the detection mechanism itself can be cancelled. It offers high accuracy and excellent reproducibility in expansion and shrinkage measurements, even with low expansion materials or thin materials. It can also measure using the non-differential or conventional expansion method.

Dynamic TMA mode that is a temperature control method in which the sample’s shrinkage associated with sintering is measured not by constant heating rate but the heating rate continuously changes depending on the sample’s shrinkage rate. Thru this temperature control, the temperature program simulation can be applied to inhibit grain grows and obtain a sintered material.

Features:

  • High-sensitivity, high-precision measurement by the differential method
  • Multi-measurement system that excels in expandability
  • Flexible handling of various sample sizes
  • Notable enhancement of heating and cooling rates enabled by a compact electric furnace
  • Simple sample setting mechanism, the first of its kind in differential TMA
  • Safety foremost emphasized on the entire system

 

Measurement modeCompression loadingTensile loadingPenetration
TypeStandardHigh temperaturePenetrationHigh sensitivity differential penetration method
Standard sample size5 mm diameter (max 9 mm diameter)Thickness: 10 - 200 µm 5 mm diameter
Length: 10 - 20 mmLength: 10, 15, 20 mm; width: 5 mm Thickness: 4 mm (max)
Loading mode1. Constant loading (up to 1000 mN in the shrinkage or tension direction, 1 mN step)
2. Constant-rate loading (up to 1000 mN in the shrinkage or tension direction at a rate of 1 - 500 mN/min)
3. Sine-wave cyclic (oscillating from 1 - 1000 mN and a frequency of 0.01 - 1 Hz)

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Rigaku TMA/HUM Thermal Analyser
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BrandRigaku
ModelTMA/HUM
Humidity Generation MethodBubbling bath/ dry gas combination method
Humidity RangeAmbient to 60 Degree C, Dry to 90% RH
Humidity SensorPolymer type relative humidity sensor
Temperature Measurement ElementPt resistance temperature sensor
Duration for Continuous Humidity Generation60 Degree C, 90% RH for 100 hrs continuously

The compact humidity generator is connected to the TMA for measurements under water vapor atmosphere with constant relative humidity. This system is for water vapor generation at ambient or above ambient temperatures. It adopts the polymer type humidity sensor and high precision temperature sensor, its response to various water vapor concentrations is quick and stability for longer measurement is realized. The setting of the relative humidity is achieved by the PC station and synchronizes with the temperature program. For standard furnace, it can measure from dry to 90%RH at ambient temperature; and from dry to 90%RH using the specialized furnace at ambient to 60°C through the circulator temperature control.

Humidity is known to have a significant influence on the stability of many materials. In many industrial applications ambient temperatures and humidity have a major impact on the quality of products and processes. Defective installations or production facilities, such as switchboards, electronically controlled machines and drives, damaged electrical equipment or electrical interference can cause damages, interruptions and quality losses that result in financial and/or material losses.

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