Low-Temperature Thermal Expansion Coefficient Tester
The instrument measures length change and calculates the average coefficient of thermal expansion of polymers, composites, and some metals over a controlled temperature range. It references GB 1036-2008 and ASTM D696 and provides computer interface, quartz components, and automatic data handling.
- Model
- PCY-SL-300
- Category
- Dilatometry & Thermal Expansion
Product Description
The tester measures linear thermal expansion and supports studies of softening temperature, glass-transition temperature, and phase transformation. A controlled water bath provides low-temperature operation, and a computer-controlled instrument controls and locks the test parameters.
Key parameters include expansion range, temperature control and resolution, specimen dimensions, quartz reference calibration, electrical supply, and computer interface.
Technical Specifications
| Parameter | Specification |
|---|---|
| Referenced standards | GB 1036-2008; ASTM D696 |
| Temperature range | −50 to 300 °C |
| Power supply | 220 V ±10%; 50 Hz |
| Constant-temperature bath | Down to −50 °C |
| Power consumption | ≤2 kW |
| Expansion range | 0–5 mm |
| Temperature-control accuracy | ±0.1 °C |
| Temperature resolution | 0.01 °C |
| Expansion resolution | 1 μm |
| Specimen size | Diameter 6–10 mm; length 50 mm; round or square |
| Test frame | Quartz tube, quartz outer tube, and quartz piston pushrod |
| Calibration | Quartz reference specimen |
| Control | Instrument control system; control-PC interface for online testing |
| Computer | Computer supplied by user |
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