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LZT-Meter
Instrument for measuring Thermal Conductivity, Seebeck Coefficient and Electric Resistance
The LZT-Meter from LINSEIS is the world’s first commercial instrument to measure the Figure of Merit in one single measuring instrument (LSR and LFA). This instrument measures a combination of thermal conductivity, Seebeck coefficient and electric resistivity. Different types of furnaces are available for this instrument, including the latest infrared furnace that is able to provide the most accurate temperature control.
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| Temperature range*: | -150 up to 500°C RT up to 800/1100°C |
| Specimen holder | Sandwiched between two electrodes |
| Atmosphere | inert, oxid., red., vac. |
| Sample size | 2 to 4 mm diameter x 6 to 23 mm long sample size round (disc shape) 10, 12.7, 20mm Dia. up to 4mm thickness |
| Lead interval | free adjustable |
| Cooling water | required |
| Seebeck | |
| Seebeck coefficient | static dc method |
| Electric resistance | four-terminal method |
| Thermal conductivity | |
| Measuring range | 0.1 W/mk ... 2000 W/mK |
| Thermal diffusivity | |
| Measuring range | 0.01 up to 1000mm^2/s |
| Laser source | |
| Pulse source | Nd:YAG laser (25 Joule) |
| Pulse duration | 0.01 up to 5ms |
| Detector | InSb / MCT |