277V E10/Mini Bulb Base Lighting Components

White

The flux of light received in a unit area of a certain side being shown is popularly known as illumination. The measuring unit in both united kingdom and america is known as foot-candles light, but in europe it is also known as metre candlelight. One foot-candles light is the illumination of light that falls on one side which is one foot away from a one foot-candlelight and exactly intersecting with the light.

The Sound Metre is a digital noise metre with an auto-shifting function that can be applied to the measurements of both environmental and mechanical noise.

Measures emf radiation from high-power transmission lines, appliances, and electrical wires. Description: this metre is used for measuring electromagnetic fields of extremely low frequency(elf) of 30 to 300hz. It is capable of measuring the electromagnetic field radiation intensity that is produced from electric transmission equipment, power line, air conditioner, refrigerator, computer monitor, video/audio device and so forth.