Measurement Principle
The instrument is composed of a comparator, analog or digital, depending on the model and two extension bars in steel, stainless steel or Invar depending on the resolution and accuracy required. One of the bars is made of a tubular element and an internal piston which with its stroke defines the field of the instrument. The piston acts on the head of the comparator dedicated to reading the measurements.
Two spherical heads make up the contact point with the appropriate fixtures which form the measurement base of the instrument.
To ensure accuracy to 0,002 mm (or 0,01 mm), it is essential that instruments must be produced in a highly protected environment with all due precautions and utmost care, these characteristics have always been associated with our products
Templates are available as accessories (one in Invar and one in stainless steel) for monitoring the “zero” and “gauge factor” of the instrument.
The fixtures that make up the base of application of the instrument , may be “straight” type for the perpendicular application to the joint or “squared” type for parallel application to the joint.
Special fixtures can be made to specific customer requirements. A special template for the installation of fixtures is available.
| Measuring Base |
700 mm (optional 300 mm) |
| Amplification: |
500 times |
| Measuring Range |
5 mm |
| Precision: |
– for the model in INVAR 0,002 mm
– for the model in INOX 0,01mm |
| Minimum Distance between the instrument axis and the structure |
25 mm |
| Housing dimensions: |
81x18x14mm |
| Instrument weight : |
3,1Kg |
| Weight of the instrument with housing : |
6,5 Kg |
| Rod Material |
INOX (standard)
INVAR (upon request) |
| Dial Gauge |
Analogue (standard)
Digital (upon request) |
Accessories and Related Products
| Pair of straight fixtures |
To measure the opening and closure of the joint |
| Pair of square fixtures |
To measure the sliding between cut stones |
| Stainless steel control template |
For the instrumental control of the stainless steel calibers |
| Invar control template |
For the instrumental control of the INVAR calibers |
| Fixture installation template |
For the installation of straight and square fixtures |
| Protection cap for the fixture conical tablets |
Spare part of the fixtures |
| Fixture conical tablets |
Spare part of the fixtures |
| Caliber pivot cups |
Spare part of the fixtures |
