Whats this

[WarezWally]

I noticed this thing got relisted again on eBay, any ideas what it is?

http://cgi.ebay.com.au/Laser-calori...oryZ7321QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

 

[GooeyGus]

That is a laser power meter, but can only be used for pulsed lasers measuring in joules. As we know, a calorie is a measurement of heat. Therefore, a calorimeter is a heat sensor (or a thermopile, as it says on the back of the sensor itself) Its hard to tell from the pictures but the meter may have a mW setting, as my meter here at home has settings for watts and joules. E-mail the buyer and ask, it could be a good deal on a power meter.

 

[Murudai]

Well, a calorimeter measures how much joules something outputs. A classic experiment is burning a peanut and seeing how much energy is outputted as heat, and thus how much energy is in the peanut. Roughly.

So this is probably a similar thing, to measure the energy output of lasers.

 

[Switch]

So basicly as long as you keep the laser on the sensor, the needle continues to rise.Well you can still calculate average power by dividing the end result with time. :-/

 

[Murudai]

Well, I got no idea. All I know is what a calorimeter is.

Fundamentally though, it measures output