TA Instruments - DTC 25

Manufactured by  TA Instruments
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An instrument for direct determination of thermal conductivity near ambient of various low and medium thermal co...

An instrument for direct determination of thermal conductivity near ambient of various low and medium thermal conductivity materials, including solid, liquid, paste, powder, thin film by using guarded heat flow method. 
 
The entry level of TA Instruments Discovery Thermal Conductivity Meters, DTC 25 is a guarded heat flow meter measuring the thermal conductivity at room temperature accordingly to the ASTM E1530 Standard. It suited to analyze a variety of materials, including polymers, ceramics, composites, glasses, rubbers, some metals, and other materials ranging from low to medium thermal conductivity. 
 
Because of its simple operation and short cycle time, the DTC-25 is ideally suited for quality control and screening of materials. Non-solids, such as pastes or liquids, can be tested using special containers. Thin films can also be tested accurately using a multi-layer technique supported an optional software package. 
 
Typical sample size is 50mm (2”)
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Features of DTC 25

ASTM E1530  A guarded heat flow meter, DTC 25 does comply with ASTM method E1530 

Reproducible sample load for accurate measurements  The test specimen is held under a compressive load between two polished metal surfaces. The contact resistance is kept small by applying a reproducible, pneumatic load to the test stack, and with the use of thermal interface pastes. 

Simple, Efficient, Economical  The DTC-25 is completely self-contained and requires no additional instrumentation for the measurement of a wide range of low-to-mid thermal conductivity. An optional software is available to download, archive and print thermal conductivity results. 

Simple, fast, accurate, and reasonably-priced DTC 25 is the ideal instrument for QC and contract laboratories

General Specifications
Depth 35.6 cm
Height68.6 cm
Width 50.8 cm
Additional Specifications

Standard Test Method:  
ASTM E1530 
 
Specimen Compatibility:  
Solids, pastes, liquids, thin films. auxiliary capsules for pastes and liquids 
 
Specimen Thickness:  
Maximum 32mm (1 1/4″) depending on thermal resistance, thin films frets down to 10Μm (4/10,000”) with optional multilayer software 
 
Specimen Diameter:  
50 mm 
 
Temperature Range:  
Near ambient 
 
Thermal Conductivity Range:  
0.1 to 20 W/mK 
 
Thermal Resistance Range:  
0.0004 to 0.012 m2K/W 
 
Accuracy:  
±3% 
 
Reproducibility:  
±2%

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