NAPX multi-function Power frequency phase meter
Also called name
NAPX multi-function power frequency frequency phase meter, Nanao Electric Company power frequency frequency phase meter, multi-function power frequency phase meter, power frequency phase meter, multi-function power frequency frequency phase meter tester

Main Specifications
Phase Test Method: Any two U-U, U-I, I-I
Phase test accuracy: 0.2
U (mode U-I), 10mA ~ 10A divided into four gears
(On-line detection 100mA ~ 5A)
Resolution: 0.1 °, 0 ~ 360 °
Frequency test range: 40 ~ 60Hz, maximum error 0.01Hz, you can measure any one or two of frequency value.
Voltage signal input: 5 ~ 500V
Current signal input: 0.5 ~ 5A
Can test the power factor range: cosφ1 ~ 0 sinφ0 ~ 1