91 Series AC voltmeter are mainly applied as voltage regulator, voltage regulator, battery chargers, inverters, power strip, etc. This peoduct is affordable.Currently the market mainly has two kind: black magnet and white magnet.Black magnetic is inexpensive, and the parameter indicating inaccurate and craft is relatively rough; While white magnetic stability, fine workmanship, parameter indicates accurate.
· Accuracy :±5%
· Panel Demension:40mm*40mm*25mm.
· Display Dimension:35mm*20mm.