Page 35 - Catalogue ANGLAIS 2016_Neat

Fissurometer model FI-3D
CHARACTERISTICS

Measuring range :
25 mm

Accuracy :
< 0.01 mm

Resolution :
0.001 mm

Sensor power supply :
-15 V continu
0,04 A
Temperature of use :
APPLICATIONS -10 to +50°C
The tri-directional fissurometer model FI-3D is employed to measure Temperature of storage :
any variation of opening and closure on a crack or a joint, in three +20 to +60°C

directions. Permeability :
It is used to control the follow-up of the global movements of IP68
expansion joints building and work, or a supervision of the evolution
of the recent or former cracks.
DESCRIPTION
The sensor FI-3D is composed by three sensors. It’s body is made
of stainless steel in which are inserted a coil placed on a glass chuck Cable (1 by direction ) :
as well as a central part, these two parts are not in contact.
For each, the coil is attached to one of the fixation support. Options :
Anchors to measure the
While the central part is attached to the second part. opening
The passage of a current in the coil engenders an oscillatory signal Anchors to measure the
on which the natural frequency depends on the coil and on the sheaing
electronics associated system. Anchors to measure the
rejection
The movement of the center part from the coil is going to engender Anchoring and bloc 3D
a variation of this frequency. The accurate relative position of the Temperature measure
central part from the coil, allows the individual calibration of every
fissurometer. The absence of contact between the central part and Accessories :
the coil allows to avoid breaking the sensitive element. This will Protection cap
increase the accuracy of the sensor while extending its life span. Manuel reading unit

The frequency output signal allows the transmission of the signal on
long distances adapted civil engineering project.

This document is on no account contractual; Géo-instrumentation reserves the right to modify its products and its data sheets without advance notice
Géo-Instrumentation - S.A.S. au capital de 37000 € - RCS Créteil B502768427 – APE : 7490B - N°TVA : FR10502768427