1.5" rectangular analog panel AC Voltmeter (Rectified) in two modifications:
HST-57N - 4 Stud Surface Mount with removable black band,
HST-57W - Window Mount without mounting studs & black band.

● Accuracy: ±2% full scale value.
● Movement: Pivot and Jewel Rectified.
● Dials: Black lettering on white background.
● Pointer: Knife Edge type, black.
● Case: Plastic black case, white scale plate.
● Mounting: Specify four studs Surface Mount or Window Mount without mounting studs.