The Proper Power meter for CO2 laser?

Hi every one
In my experiments i need to measure the power of light emitted from my Co2 Laser. What kind of power meter can be useful for my job?
can you please suggest me some laser power meters?

thanks alot

Answer:

Actually, it depends on class of laser you will measure and in what is the range of laser wavelength.
I have experience measuring laser power, I used LabMax-Top, it is coherent product.
I think you can also use that instrument.