Volt meter 22mm LED Digital Display แสดงค่าโวลท์

pilot lamp 22 mm with digital volt meter สี เขียว เหลือง แดง น้ำเงิน ขาว Features: Lens Material: PC Lighting Source: LED Color of lamps: R-red, Y-yellow, G-green Volt.: 60V--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: -25+55 Working under vibration frequency 2-80Hz,acceleration at 0.7g Relative Air Humidity: ≤98% Pollution rank is three grade and installation category is III Protection Degree: Head IP65 Voltage of working frequency: 2.5kV (AC valid value), 1min Leakage Index: CT1≥100 Frequency: AC 50-60Hz Package include: 1pc * voltage meter