Technical specifications:
- High temperature furnace: RT to 2000°C
- Low temperature furnace: -150°C to 500°C
- Vertical push-rods for minimal friction on expansion and guaranteed push-rod contact
- Measurement range: ±2.5mm, resolution: 0.03nm
- Variable force contact rods
- Dual push-rod setup for either higher through-put or direct reference measurement
- Choice of atmosphere: Inert / Oxidising / Reducing / Vacuum
- CTE accuracy: ±0.5%
- Max data acquisition rate: 2MHz
- Temperature accuracy: ±0.5°C or 0.25%
- Standard: ASTM E831 / ASTM D696
Diagram of the Dilatometer with key components highlighted: sample position in red, push-rod in yellow and furnace in green.
Expansion of a graphite based material heated up to 2000°C at 15°C/min with 3 repeats. Also shown is the value for the coefficient of thermal expansion, α, derived for the three runs as a function of temperature.
