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Old 02-14-2013, 11:28 PM #33
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Default Re: Regarding recent questions of LPM accuracy.



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Old 03-01-2013, 11:58 AM #34
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Default Re: Regarding recent questions of LPM accuracy.

Quote:
Originally Posted by ARGLaser View Post
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....

Allegations of LaseerBee Product Inaccuracy by ARGLaser


Jerry

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Last edited by lasersbee; 03-01-2013 at 11:59 AM.
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