Table 1: Specifications of Neubrexcope systems.

Sampling resolution5 cm

Average count25–223 times
Pulse width (ns)12510
Spatial resolution (m)0.10.20.51.0
Dynamic range (dB)1235
Max. measurement distance (km)151020
Strain measurement accuracy ( )±25±25±25±25
Repeatability ( )±50±50±50±50
Temperature test accuracy (°C)±1±1±1±1