Mortar Shrinkage and Length Change Comparator
| Product code | CMI-IND-0037 |
| Categories | Cement-Mortar Testing Equipment |
| Standards | Manufactured to IS / BS / EN / ASTM / AASHTO as applicable |
| Supply | India and export — 90+ countries |
- Description
Dial-gauge length comparator with reference bar for measuring drying and autogenous shrinkage of mortar prisms over time. Used in cement, repair mortar and grout development laboratories.
Specification
Mortar bars with embedded gauge studs are placed in the comparator and their length change is compared against an invar reference bar. The device records shrinkage or expansion to 0.001 mm over time. It supports evaluating non-shrink grouts and plaster compositions.
Features
- Digital dial gauge with 0.001 mm resolution
- Reference invar bar included
- Rigid stand with spring-loaded seat
- Moulds for 25 x 25 x 285 mm prisms
- Quick measurement in under 10 seconds per bar
Technical Specifications
| Gauge range | 0 to 12.7 mm |
| Resolution | 0.001 mm |
| Specimen size | 25 x 25 x 285 mm |
| Gauge length | 250 mm |
| Reference bar | Invar steel |
| Standards | ASTM C157, ASTM C596, IS 4031 |
| Power supply | Battery operated gauge |
Standard Accessories
- Invar reference bar
- Prism mould (3 gang)
- Gauge studs
Mortar Shrinkage and Length Change Comparator suppliers in India
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