AD16-22DSV 22mm Mini Digital Display AC Frequency HZ Meter Head 60-500V Universal Indicator Lamp Aperture

Features 1 LED display test data2 3 colors to choose from3 The outer casing uses insulating flame retardant material Specification Product Name Digital display indicator AC frequency meter Color red green yellowProduct model AD16Opening diameter 22MMWorking pressure 2 5KV 1minProduct material flame retardant plasticRated voltage 60 500VAmbient temperature 25C 65CDisplay mode LED highlight digital displayInsulation resistance 2mTest project AC frequencyTest range 0 99HZProduct size 51 4mmX28 3mm Package includes 1 X AC Frequency Meter red green yellow Details pictures