AC 20-500V LED Digital Voltage Meter Voltmeter Indicator RED/GREEN/BLUE/YELLOW

AC 20-500V LED Digital Voltage Meter Voltmeter Indicator RED/GREEN/BLUE/YELLOW

Lighting Source : LED
Color of lamps : Yellow
Volt : 60V–500V
Nature of supply : AC
Rated Temp : T90
3. 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 : CT1100
Frequency : AC 50-60Hz
Error Range : ± 1%
Life of continuous working : Typically over 30,000 hours.