路昌LUTRON LF-423计频器显示器
admin时间:2024-05-18 12:29
LINE FREQUENCY MONITOR
Model : LF-423
* 0.5 to 500 Hz (x 0.01 Hz, 100 Hz)
* Input voltage : 5 to 250 ACV.
* Check frequency to DC to AC converter, mobile portable generator, power line.