HBM FS22 SI User Manual page 50

Measuring
50
Fig. 4.13
The Standard format of the interrogator is powered at
11-36 VDC, which means that the electrical protection
should be granted by the power source or the adapter.
If, by any chance, the power supply is overcome, the
interrogator might be damaged and need repair at HBM
FiberSensing.
A4249-8.0 HBM: public
FS22 SI