Overview
The DL-9000 / DLY-9000 series offers robust push-rod dilatometry across a wide spectrum of metals, ceramics, glass, carbon and composite materials—with temperature coverage from −170 to 1700°C and flexible sample-holder configurations for both small and bulk specimens.
The DL-9000 and DLY-9000 thermodilatometer series measure linear thermal expansion of solid materials over wide temperature ranges using a push-rod displacement method. They are engineered for reliable quality assurance and R&D characterization of metallic alloys, ceramics, glass, carbon materials, and composite systems.
The DL-series (standard) accommodates samples from φ3−6 × L10−20 mm, while the DLY-series (large-sample) holds specimens up to φ8−10 × L35−50 mm—allowing flexibility in sample preparation and enabling measurement of heterogeneous and composite structures. Spring-balance load setting and simple sample-holder design make operation straightforward and maintenance cost-effective.
Temperature flexibility ranges from −170°C (cryogenic studies) to 1700°C (advanced ceramics and metals), with eight models covering every application range. The instruments support both air and inert-gas atmospheres for oxidation-sensitive materials.
Key Features
- Push-rod dilatometry with ±2500 µm displacement measurement range
- Eight temperature-optimized models from −170 to +1700°C
- Spring-balance load setting for ease of operation and reproducibility
- Simple, tool-free sample-holder exchange for rapid sample changes
- Standard and large-sample versions to match preparation workflows
- Air or inert-gas atmosphere control for protection of reactive materials
- Suitable for metals, ceramics, glass, carbon, composites, and heterogeneous systems
DL-9000 vs. DLY-9000 Series
- DL-series: Standard small-sample configuration (φ3−6 × L10−20 mm) — optimized for laboratory development and routine QC
- DLY-series: Large-sample configuration (φ8−10 × L35−50 mm) — designed for bulk materials, composites, and production-scale components
Temperature-Optimized Models
| Model Family | Designation | Temperature Range | Primary Application |
|---|---|---|---|
| DL-9000 Series | DL-9200 | -170 to 300°C | Cryogenic and low-temperature materials |
| DL-9000 Series | DL-9400 | RT to 1000°C | Metals, alloys, standard ceramics |
| DL-9000 Series | DL-9500 | RT to 1500°C | Advanced ceramics, refractories |
| DL-9000 Series | DL-9600 / DL-9700 / DL-9800 | RT to 1100 / 1700 / 1650°C | High-temperature ceramics, metals, specialized applications |
| DLY-9000 Series | DLY-9200 | -170 to 300°C | Bulk cryogenic materials (large samples) |
| DLY-9000 Series | DLY-9400 | RT to 1000°C | Large metallic and ceramic components |
| DLY-9000 Series | DLY-9500 | RT to 1500°C | High-temperature bulk ceramics and composites |
| DLY-9000 Series | DLY-9600 | RT to 1100°C | Production-scale material characterization |
Common Specifications (All Models)
| Parameter | Specification |
|---|---|
| Measurement Range | Displacement ±2500 µm |
| Sample Atmosphere | Air or inert gas |
| Load Setting | Spring balance (manual adjustment) |
| Sample Holder Design | Tool-free exchange / simple replacement |
Typical Applications
- Quality management and R&D of metallic materials and low-expansion alloys (DLY recommended)
- Thermal expansion before/after glass transition in glass materials
- Quality assurance of semiconductor packaging materials
- Quality control of ceramic, carbon, and sintered materials
- Sintering behavior and shrinkage analysis of ceramics
- Thermal expansion of heterogeneous materials (cement, composites, multi-phase systems)

