Device Description HG G-98780-A | English, Revision 16 | Date: 15.07.2021
10
Chapter 3 – Mounting
3
Mounting
3.1 Transponders
3.1.1 Dimensions and Specifications
The maximum reading distance for all transponders can only be achieved when the
minimum distance to metal surfaces is maintained. It is recommended to maintain
the minimum distances within the metal-free area (Figure 2). The impact on posi
-
tioning accuracy and range also depends on the size and distance of metal parts.
Figure 2
Minimum iron-free area around Puck Transponder HG 70661
As rule of thumb it can be said that if the metal-free area behind the transponder has
to be at least of the same range as the reading distance between transponder and
antenna. The reception of the transponder signal will be largely unattenuated (also
refer to Table 25 on page 47). It is essential, that the transponder
does not dip into
the meshs/loops of steel reinforcement grids
. Single metal rods, on the other
hand, hardly have any influence on the performance.
3.1.2 Mounting Instructions
The Transponders may be mounted on even ground using a metal screw and a
washer. The maximum fastening torque is not allowed to exceed 4 Nm. The diame
-
ter of the metal washer should not be max. 18 mm. For further information please
refer to the transponder data-sheet HG G-70661.
Screw
Washer
Transponder
approx. 200 mm
approx. 100 mm
Metal-free area
