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Old 05-26-2017, 03:18 AM #1
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Default Review of Thor H Dual Power

This is my over due review of the laser I got on the free laser giveaway from tommy at laserpointerstore.com. This laser was sent by DHL which was very quick in getting this laser to me. The shipping cost me $20.00, but the laser was free of charge. It took about three days in total to arrive after it was sent.

The laser came with two unmarked but fully charged 26650 batteries. I confirmed their charge on my Opus BT-C3100 Intellicharger.



The laser has a screw appliance in the tailcap that can connect or disconnect the batteries while in the host. The polarity of the batteries is backwards from what I expected as the positive side goes toward the tailcap.

Here is a photo of the charge LEDS on the side of the host.



The first thing I did was to measure the power of the low and high power settings that are initiated by pressing the side switch once for low power and then two more times in quick succession to engage high power. There is also an SOS mode that can be engaged by pressing the switch down for five seconds.


This shows a measured power of 438mW


This shows a measured power of 1648 mW. I found that the divergence of this laser is much better than could be accomplished with a single element aspherical lens like the G-2. After further examination I found that the lens was actually a three element lens which would account for the lower power on high.

Next I took a spectrometer reading of the diode in the laser on low power. It read 444.92nm, or 445nm.



Here is a quick beam shot in doors in high lighting conditions. I'll add more as I can once I have ideal dark lighting conditions.



Here's a better beam shot in low power.



Thanks for having a look.


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Old 05-26-2017, 06:40 AM #2
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Default Re: Review of Thor H Dual Power

Great work, thank your for the graph power documentation, nice.
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Old 05-26-2017, 07:27 AM #3
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Default Re: Review of Thor H Dual Power

great to see your review paul~ search around to see this review

i'm surprised you had a spectrometer! and i thought you will disassemble it haha~ nice review, thanks.
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Old 05-26-2017, 09:48 AM #4
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Default Re: Review of Thor H Dual Power

Nice review and nice work !
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Old 05-26-2017, 12:07 PM #5
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Default Re: Review of Thor H Dual Power

Nice unit, looks like a WL clone, just a lot less expensive, sounds like a winner to me.
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Old 05-26-2017, 03:18 PM #6
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Default Re: Review of Thor H Dual Power

price is not yet set actually absolutely no way to be $30
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Old 05-26-2017, 03:30 PM #7
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Default Re: Review of Thor H Dual Power

Very nice, thanks Paul!

Looking forward to picking my unit up later today.
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Old 05-26-2017, 04:31 PM #8
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Default Re: Review of Thor H Dual Power

Hi Tommy

A Thor with 2-26650's killer laser larger batteries capacity. Now that's really awesome pal . Can't wait to see them out ..

Rich
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Old 05-26-2017, 05:35 PM #9
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Default Re: Review of Thor H Dual Power

Thanks all for the kind words. I'll try to add some better beams shots later tonight. If anyone has a particular question about this laser I will do my best to answer it.
-paul
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Old 05-26-2017, 05:49 PM #10
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Default Re: Review of Thor H Dual Power

Brilliant review Paul. Glad you like it. Good job tommy.
+rep for both of you.
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Old 05-26-2017, 06:10 PM #11
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Default Re: Review of Thor H Dual Power

Thanks, Curtis. It is a very nice laser. I would recommend it to anyone here. I thought the price was $59.00, but it seems that isn't the case now.
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632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
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Old 05-26-2017, 06:26 PM #12
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Default Re: Review of Thor H Dual Power

You're welcome Paul.
What is the price tommy?
It helps us get an idea of value for money.
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If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
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For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
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Old 05-26-2017, 06:39 PM #13
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Default Re: Review of Thor H Dual Power

Just a reminder, we don't have any association with https://laserpointerstore.com since they put three of our laser products on their website with the same product descriptions.

If you bought from laserpointerstore.com and the laser you received have any problem, please contact them for support.

The one year warranty only available to lasers bought from www.sanwulasers.com / www.sanwulasers.org

CHALLENGER SERIES
https://laserpointerstore.com/collec...0nm-green-50mw

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https://laserpointerstore.com/collec...en-50mw-3-watt

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https://laserpointerstore.com/collec...tical-expander

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Last edited by Podo; 05-26-2017 at 06:40 PM.
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Old 05-26-2017, 06:43 PM #14
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Default Re: Review of Thor H Dual Power

Thanks for the heads up.
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Old 05-26-2017, 07:04 PM #15
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Default Re: Review of Thor H Dual Power

Hi paul,

Just one technical suggestion for your review:
By seeing the LPM graph, i can see that you are using TEC type LPM
Which has at least triple calibration transfer (all TEC-based DIY LPMs are in fact has at least triple calibration transfer)
So i think you should try measure it using your Scientech Vector S310 with AC2500 10 Watt LPM, as it should have only a double calibration transfer, producing more accurate result.

About triple calibration transfer, this is an example for Ophir product:
  1. Transfer of calibration from NIST master to working master: 0.6%
  2. Transfer of power calibration from working master to commercial thermopile head under calibration: 1.0%
    Total power calibration error of commercial head (95% of cases are within 2.0 std deviations): 2.5%
  3. Transfer of power calibration from commercial thermopile head to TEC-based LPM: 5% (I took Hyperion LPM for example)

more detail go to here:
Power/Energy Meter Calibration Procedure - Ophir Photonics

In addition to those above, the percentage may be higher if you are measuring laser other than the calibration wavelength.
Hope this helps


EDIT:
AFAIK, some TEC-based LPM makers don't even state the percentage of uncertainty of their product.
They dont even try to claim the uncertainty percentage as it might drove the customer away, IMO
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Last edited by astralist; 05-26-2017 at 07:10 PM.
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Old 05-26-2017, 08:02 PM #16
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Default Re: Review of Thor H Dual Power

Thanks, astralist. The error on my Radiant is stated as 5% and is the only one I have set up for data logging. That is the main reason I used it. I need to do some more work with my Scientech, but with my health issues since my last surgery, I haven't been able to make the time to do it.
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