Colour:Green DescriptionFeatures:AD16-22DSV indicators are adopted LED light-emitting chips as light source, has the characteristics of long service life, low energy consumption, small size, light weight, is various of incandescent lamps and neon lamp replacement products. The lampshade is made of high strength polycarbonate, has good impact resistance, built-in screw-type wiring, safe and convenient terminal. The series indicator is suitable for signal indication, warning signal, accident signal and other signals in the line of electric power, telecommunication, machine tool, ship, textile, printing and mining machinery.Specification:Lens Material: PC;Lighting Source: LED;Color of lamps: R-red, Y-yellow, G-greenVoltage: AC 60V--500V;Hole diameter: 22mm/0.87"Environmental Temperature: -25 to +65°C;Relative Air Humidity: ≤98%;Voltage of working frequency: 2.5kV (AC valid value), 1min;Insulation resistance: ≥2mΩPackage includes:1*Voltmeter indicator (with signal light)Note:Please allow 1-2mm errors due to manual measurement.Due to the difference between different monitors, there are color differences, please take the real product as the standard.(1)Q:how can this be connected to measure the frequency of a three phase motor?A:Frequency meter will accept AC voltage anywhere from 24 to 500 volts so it can go directly across any phase of the three motor leads and would read 60Hz in the United States.(2)Q:Will this item work with a 120v and 240v input?A:Yes it will work it's within the specified range(3)Q:Does this have an audible alarm?A:They do not. They just light up with a voltage reading.
