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Old 10-13-2007, 02:49 PM #161
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Default Re: ** IT'S OFFICIAL ** *Laser Power Meter GB --

TL you in the UK?

If so could I send you my Nova Alpha 105 and the SenKat LD torch I made for testing?

Cheers
XG


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Old 10-13-2007, 03:05 PM #162
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Quote:
Originally Posted by xgeek
TL you in the UK?

If so could I send you my Nova Alpha 105 and the SenKat LD torch I made for testing?

Cheers
XG
Yes mate I'm in the UK and will gladly test your lasers for you I have my lasercheck now and soon to have my LPM so I'll test them on both. 8-)
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Old 10-13-2007, 03:17 PM #163
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Default Re: ** IT'S OFFICIAL ** *Laser Power Meter GB --

Cool that's great. Of course I will pay shipping both ways and a fee for your time.

Many thanks
XG
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Old 10-13-2007, 03:25 PM #164
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Quote:
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Cool that's great. Of course I will pay shipping both ways and a fee for your time.

Many thanks
XG
No problem bro PM sent
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Old 10-13-2007, 03:36 PM #165
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Quote:
Originally Posted by Daedal
Grab a BUNCH of batteries... this little guy is a battery killer! ;D

I will also be working on making a power source for this thing to help me with battery costs. Rechargeable 9V batteries are not much better so permanent power is the best solution

--DDL
Quite true, apparently. And be aware of wall converters. I just tried a standard "9 v battery eliminator" wall supply and it pulled the voltage down to 5 volts, so "low battery" displayed on the LPM. Not sure of the current draw, but it must be significant.

Jon
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Old 10-13-2007, 06:18 PM #166
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Current draw was a huge issue on this meter. I tried running it from my uber-regulated power supply and it showed a jump of almost 1 amp at times!!

I can only imagine what a 150-200mAh battery could do :-?

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Old 10-13-2007, 10:30 PM #167
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Daedal, is that 1 amp jump likely to be essential for accurate tester results, or does it maybe occur (during sampling transitions, say) in such a way that current limiting (as by a less than fresh battery) doesn't have much effect on actual tester results?
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Old 10-13-2007, 10:48 PM #168
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Daedal,
I had no problem connecting to the serial port and saving the data using hyperterminal. The first thing I did was to configure the hyperterminal settings then save it as an icon (shortcut) on my desktop.

A while ago, I ordered a USB to Serial adapter. I do not know where I placed the driver disk for it...I am sure it is around here somewhere. Anyway, I plugged it in and XP recognized and installed the drivers for it... :-? Then I connected the LPM-1 and opened hyperterminal and it started collecting the data immediately....very cool... The next step was to capture the data to a text file...this was no problem.

But I do have a question. Do you or anyone else know of a free easy to use data to graph converter? I have done some searching but have not found anything. Thanks.



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Old 10-13-2007, 11:06 PM #169
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Never mind...I figured it out... :P I am using Open Office which is free and I installed the new version. Creating a graph could not be easier.....
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Old 10-13-2007, 11:11 PM #170
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

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Never mind...I figured it out... :P I am using Open Office which is free and I installed the new version. Creating a graph could not be easier.....
Is that open office freeware???? I've seen this before and wondered if it's any good....
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Old 10-13-2007, 11:23 PM #171
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Yeah, I like it but I don't use that stuff that often..the install file is appx. 100mb's. It is really easy to create a graph from any data...I like quick and easy...well most of the time.. ;D It is free!

BTW, I checked the current the meter is drawing and it is a little over 110ma's at most even while testing...it doesn't change. So a 5 hour continuous run time as stated in the instructions sounds about right. I bet it would run twice as long with a lithium battery, and maybe a couple of hours at most with a nimh.
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Old 10-13-2007, 11:36 PM #172
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Nice one Gazoo you've helped me out a lot here answering that for me TOP MAN!!! 8-)
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Old 10-13-2007, 11:46 PM #173
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Great stuff Gazoo

Although... I find it odd that you didn't get the jump as I did. I got it as soon as the unit turns on... IIRC it jumped to ~700mA

I could have set it up the wrong way, but 110mA current draw seems like a much better figure either way

Also... show me that graph dude

--DDL
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Old 10-13-2007, 11:50 PM #174
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

I will, I am just playing with it all...the graph is super easy but I wish there was a way to plot the time at the bottom instead of showing the row number...there probably is I just haven't figured it out.. :P

TL...no problem..always happy to help..
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Old 10-13-2007, 11:57 PM #175
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Gazoo, you can enter the values for the tine and plot them on the graph... or use the data as the axis values

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Old 10-14-2007, 03:18 AM #176
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Default Re: ** IT'S OFFICIAL **  Laser Power Meter GB

Well here is my first graph! This was done with my DIY red labby. The peaks on the graph coincide with the beam hitting the sensor between the lines. I have a lot to learn with this graphing stuff.. :P



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