Digital Volt-Amp meter is an intelligent meter used to measure AC Voltage and AC current. cost-effective miniature flexible useful for voltage stabilizer, machines and other devices for measuring voltage Voltages: 60-500V AC Resolution to 1V; Accuracies to +/-1%,+/-2LSB Reliable, long life, Mcu measuring Sample Speed: about 10 times/sec. Maximum Display: 500 Over It is self Powered device, so no additional Auxiliary supply is needed. Commodity: voltmeter with indicator and ammeter Voltage: 60-500 V AC Current: 0-100A Material: electrical components Panel size: 31x31mm / 1.22x1.22 inches Mounting Diaphragm: 22 mm