Regarding recent questions of LPM accuracy.

[spyrorocks]

 

[lasersbee]

I know this is an old thread, but I thought I should add my own results.

The set up with my stable 808nm laser. (The same wavelength used to calibrate the laserbee's IIRC)

The Ophir reading (Minus 7 mV for zeroing)

The laserbee II reading:

I know that my Ophir is reading correct because I sent it off to MarioMaster who checked it against his Coherent Fieldmax, it was reading the same as a fieldmax.

The laser bee II (in my case) is around 10% off.
There has been no damage to the Laser Bee since I bought it.



Now, I also received a used HLPM recently.
This test was done with a pen laser as I don't have a lab style 405nm laser.
Ophir reading: 45mV (minus 7 for zeroing) so 38mW.
The Laserbee II read 35mW.
The HLPM read 4.4mV, and according to the correction factor chart it should be multiplied by 23.3. 102.52mW That's 70% off!
When reading in the red spectrum it's fine, but I think the wavelength chart may be a little off.

Sorry... I had not seen this old one year old Thread get
resurrected...

You can get some info on your sold Deluxe LaserBee II claims
here....

http://laserpointerforums.com/f70/allegations-laseerbee-product-inaccuracy-arglaser-80664.html


Jerry

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