Вольтметр, мини-измеритель напряжения с круглым LED дисплеем, 22 мм, 20-500 В переменного тока

Square Voltmeter :  AD101-22VMS Specification Lighting Source: LED Color of lamps: R-red Y-yellow G-green B-Blue W-White Voltage: 20V--500V Nature of supply: AC Rated Temp : T90 Life of continuous working: Typically over 30,000 hours. The end of life for a lamp is not usually a sudden failure; Main technical parameters Environmental Temperature: 30 Relative Air Humidity: ≤98% Protection Degree: Head IP65 Voltage of working frequency: 2.5kV (AC valid value), 1min Leakage Index: CT1≥100 Frequency: AC 50-60Hz Pollution rank is three grade and installation category is III Working under vibration frequency 2-80Hz,acceleration at 0.7g CE Standard IEC947-5-1 EN60947-5-1