Dirty Electricity Meter by Trifield - Model EM100 - EMI Power Line Noise Analyzer - Know Your Electricity @ Home, Office, Shop - Made in USA by Alphalab, Inc. Outdoor Lighting Exclusive switchable 45 degree line

Exclusive switchable 45 degree line helps verify proper positioning of square tiles between 0 and 90 degree

With over-current protection

Variable rotation speed

Once the battery back to normal working temperature

there are 5 different sizes of M4 pieces in this set

Dirty Electricity Meter by Trifield - Model EM100 - EMI Power Line Noise Analyzer - Know Your Electricity @ Home, Office, Shop - Made in USA by Alphalab, Inc. Outdoor Lighting Exclusive switchable 45 degree lineThe Trifield Meter Model EM100 measures electromagnetic interference (EMI) in a single phase AC power line on wiring found in most buildings. With its bright OLED screen and amplitude demodulated sound feature it's the perfect tool to quickly and accurately determine the EMI on the electrical system in your home or office. Just plug the unit in (there are no knobs or switches to worry about) and read the display! Made in USA by Alphalab, Inc. Provides