Jointmeter JMD
Application
The Jointmeters are mechanical measuring instruments for surveillance of movements of joints and cracks in rock, concrete, masonry and at steel constructions. The movements can be measured in 1 to 3 directions according to the chosen type of Jointmeter.
Description
he Jointmeters consist out of a left and right part which are cemented on each side of the joint with a special temporary template. The movements are measured with a portable Setdeflectometer (mechanical or electrical dial gauge).
Technical Data
| Type | JM1DS | JM3DS | CJM3DS |
|---|---|---|---|
| Application | 1 direction, plain | 2/3 directions, plain | 1/2/3 directions, 90° corner |
| Material | stainless steel | stainless steel | stainless steel |
| Fixation | steel thorns for cementing | steel thorns for cementing | steel thorns for cementing |
| Measuring ranges | ±25 mm (main direction) ±10 mm (other directions) |
±25 mm (main direction) ±10 mm (other directions) |
±25 mm (main direction) ±10 mm (other directions) |
| Reading | Setdeflektometer RDM50, ERDM25, ERDM50 |
Setdeflektometer RDM50, ERDM25, ERDM50 |
Setdeflektometer RDM50, ERDM25, ERDM50 |
| Resolution | 0.01 mm | 0.01 mm | 0.01 mm |
| Precision | 0.03 mm | 0.03 mm | 0.03 mm |
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