The loudness of sound is subjective, so what you may perceive to be a perfectly acceptable music volume could be …
The amount of light needed in a room depends on the type of room and the activities going on at …
An EMF meter detects and measures electromagnetic fields. It’s useful if you want to know if you are exposed to …
Similar to most measuring instruments, all hygrometers lose their accuracy over time. This is a huge problem in situations where …
How loud a sound is is subjective. A young concert-goer can withstand loud sounds that you would probably find intolerable. …
All pH meters require regular calibration to remain accurate. Unlike most test tools and meters that need to be sent …
A light meter measures the amount or intensity of light in a particular environment, person or object. The obvious application …
A hygrometer is the best way to determine the humidity of a place. It’ll give you a precise figure such …
The biggest concern many people have over using microwave ovens is radiation leakage. In reality however, the most common injuries …
Why do patients fitted with pacemakers avoid strong electromagnetic fields? Years ago, there was real concern about the interaction between …