TAG5000S 4 to 230kV - Wireless Phase Comparator 

Click on Image to Enlarge

click for enlargement

Wireless phase comparator for three phase network with nominal voltages from 4 kV up to 230 kV – 50Hz or 60Hz (to be specified). SHall be used with two insulating sticks (not included) complying with the nominal voltage and having universal adaptors. 
Light and compact unit for overhead lines
Safety probes for indoor use
Positive indication for ‘’in phase’’ conditions
No hazard due to a cable link
Increase distance of operation (more than 25m)
Possibility of phasing through walls (inside outside)