PSI is a portable and sturdy instrument having a rotating disc to indicate the sequence of the phases of 3 phase power supply. Clockwise rotation of the rotating disk of the PSI indicates proper sequence. Anticlock wise rotation, indicates improper sequence.
PSI is useful for checking the sequence of phases when the same are to be connected in proper sequence watt meters, power factor meters, motor and similar applications.
Voltage Range :- 50 to 500 Volts AC
Frequency Range :- 25 to 60 Hertz
Connection Leads :- 1-meter long red , yellow and blue test leads.
Size :- 96 x 96 x 60mm. Portable in ABS Body.
Weight :- (approximately) 800 gms
Accessories :- Rexine carrying Covers. |
