... of communication. PCY-III-X materials high-temperature horizontal expansion coefficient tester (X presents the temperature -196-2000°C, the whole ... .1%, ± 2.5 mm ± 0.1%,5. Temperature accuracy: ±1°C temperature records error≤±0.5%;at different tempera-tures ,the ... metal or alloy, etc.By applying PCY-III,you can accomplish the works as follows: thermal expansion coefficient, softening temperature, the ...