Input voltage: AC 220Vac ~240Vac or 110Vac - 120Vac (according to different voltage versions)
Power frequency: 50/60Hz
Working environment: room temperature 13~33 degrees; humidity: 0~80%; altitude below 2000 meters above sea level
Measurement frequency: 300KHz - 700KHz
Noise indication: 3 and a half black and white LCD digital display
Dimensions: 135 (length) mm X 91 (width) mm X 45 (thickness) mm
Overall weight: 310g (excluding AC line)
Random accessories: AC detachable two-core power cord, length 1.2 meters (without outer packaging)
Main use: AC can This measuring instrument is mainly used to measure the frequency-to-noise ratio on the mains 220v (or 110v). And through the small speaker inside the instrument, the detected noise is amplified and played out.