4.5" rectangular analog panel AC Frequency Meter.
● Accuracy: class 2.0.
● Measuring Ranges: 45~56 Hz, 45~55 Hz, 55~65 Hz.
● Rated Voltage: 110V, 220V.
● Movement: Pivot and Jewel.
● Dials: black lettering on white background.
● Pointer: Sword type, color in black.
● Case: Polycarbonate front and Polybutylene Terephthalate (PBT).
● Mounting: Four studs mounting.