How to select a torch?
So you have decided you want to buy an LED torch?
Easy, just go and buy the one that has the 'most lumens' right?
WRONG!
Read more: How to select a torch?
What Does ‘Burn Time’ Mean?
Burn time, is the definition of how long in minutes or hours the torch will produce a useful amount of light.
What Are ‘Lumens’?
Lumen is the standard unit of measure for total amount of light from a source, in all directions.
NEMA FL-1 Standards
NEMA, produce a set of international standard that LED torches should be rated against. First released in 2009, these standards are not compulsory for any torch company but are supposed to give the customer a fair way to compare torches.
Read more: NEMA FL-1 Standards
What is ‘Beam Angle’?
“Beam Angle” is the angle of the light produced by the torch, this is measured at 50% of maximum power;
Read more: What is ‘Beam Angle’?What Does ‘Lux’ Mean?
“Lux” is the standard unit of measure for illumination (i.e. brightness) of a surface at a given point.
Read more: What Does ‘Lux’ Mean?