DESCRIPTION
Specification:
Model: AD101-22Hz;
Hole size: 22mm;
Available colors: red, yellow, blue, green, white;
Frequency range: 0-99H;
Voltage range: AC 20-500V;
Rated power: 0.5W.
Package Included:
1 x AD101-22Hz Circular Crystal Film Digital Display AC Hertz Meter.