<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Ballontekst Char";
margin:0cm;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
{mso-style-priority:34;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:36.0pt;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
span.E-mailStijl17
{mso-style-type:personal-reply;
font-family:"Arial","sans-serif";
color:#1F497D;}
span.BallontekstChar
{mso-style-name:"Ballontekst Char";
mso-style-priority:99;
mso-style-link:Ballontekst;
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:225071620;
mso-list-template-ids:1471861080;}
@list l0:level1
{mso-level-number-format:bullet;
mso-level-text:;
mso-level-tab-stop:36.0pt;
mso-level-number-position:left;
text-indent:-18.0pt;
mso-ansi-font-size:10.0pt;
font-family:Symbol;}
@list l1
{mso-list-id:1698701756;
mso-list-type:hybrid;
mso-list-template-ids:1795483580 -1597993924 68354051 68354053 68354049 68354051 68354053 68354049 68354051 68354053;}
@list l1:level1
{mso-level-start-at:8;
mso-level-number-format:bullet;
mso-level-text:;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;
font-family:Wingdings;
mso-fareast-font-family:Calibri;
mso-bidi-font-family:"Times New Roman";}
ol
{margin-bottom:0cm;}
ul
{margin-bottom:0cm;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=NL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div style='margin-bottom:10.0pt'><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:black'>Emile, a couple of questions:</span><o:p></o:p></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span style='font-family:"Calibri","sans-serif";color:black'>Are you using the /Bridgelux Vero 29 BXRC-50G10K0-L-24 array, if not what Vero 29 part number?</span><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>> Got them from Antoine. You know the P/n Antoine?<o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span lang=EN-US style='font-family:"Calibri","sans-serif";color:black'>On the Sensor Extreme LED driver, are you using the 2050mA factory output current? </span><span style='font-family:"Calibri","sans-serif";color:black'>If not, which factory current? This would match pretty well the 2.1A current draw on the Vero 28 at maximum power.</span><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>max power is even 3 Amps. Funny; if you reduce the voltage with the power supply , the Amps rise.<o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span style='font-family:"Calibri","sans-serif";color:black'>The driver doc says “Maybe you need to cool the driver, attach him if necessarily with an electrically insulating material such as thermal pad on a metal surface/heat sink”. I don’t see any kind of metal surface on the driver to effectively mechanical/thermally connect this to a heat sink. In your enclosure, do you use a heat sink on the driver?</span><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>> I attached them in a small alu box with thermal conductive double side tape. Works fine.<o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span lang=EN-US style='font-family:"Calibri","sans-serif";color:black'>Is your LED enclosure 1-atm air filled or pressure compensated with oil? </span><span lang=EN-US><o:p></o:p></span></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>> 1 ATM <o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span lang=EN-US style='font-family:"Calibri","sans-serif";color:black'>Are you connecting these directly to a 36V nominal AGM battery bank (30-40V)? </span><span style='font-family:"Calibri","sans-serif";color:black'>If so, the driver documentation says “It is important to ensure that the input voltage <= total-Led voltage. (Boost Principle). If not the LED(s) get to much voltage and can damage! If you had a new fully charged 36v bank, the actual voltage would be around 40V. If the Vero 29 wants 38v, is this an issue?</span><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>> Up to you to test .. I run on a 24 VDC system.<o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span style='font-family:"Calibri","sans-serif";color:black'>You said that you do not run the light at full power? Why?</span><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>> No time for a a dimmer and test program.<o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span style='font-family:"Calibri","sans-serif";color:black'>Can you share a picture of the enclosure?</span><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>see attachment. Evt for sale.<o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span lang=EN-US style='font-family:"Calibri","sans-serif";color:black'>Can you run these lights out of water?</span><span lang=EN-US><o:p></o:p></span></li></ul><p class=MsoListParagraph style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'><span style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>To be tested. At this stage (2 Amps for 2 LEDS) It cam be use out of the water.LED array is mounted with thermal conductive paste.<o:p></o:p></span></p></div><div style='margin-bottom:10.0pt'><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span lang=EN-US style='font-family:"Calibri","sans-serif";color:black'>What kind of electrical disconnect to you have on the light enclosure.</span><span lang=EN-US><o:p></o:p></span></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>> Blueglobe<o:p></o:p></span></p></div><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>This looks like a great LED driver. I am considering it for the 10K PSUB light project which is on hold pending finding a LED driver.</span><o:p></o:p></li></ul><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>>> sure! I run 2 LEDs parallel on one driver . https://www.youtube.com/watch?v=-oc6-9CzQNM&t=390s<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>Emile one more question. The Sensor Extreme documentation says dimming is controllable with their Led Stripe V4, Nanodim V2 or micro-dim units. Which of these units if any are you using to dim the LED? If not one of these units, are you using a PLC to generate the PWM dimming signal?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US style='font-family:Wingdings'><span style='mso-list:Ignore'>Ø<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>I am a mechanical guy.. Now has fixed amps. Will make 3 stages later on.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Best regards</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Cliff</span><o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Mon, Aug 28, 2017 at 3:07 AM, emile via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Hi Jon,<br><br>The Pilotfish team and me developed a UW LED lamp. Since the Norway expedition on my sub. So happy with it that I like to recommend it.<br>It is a Bridgelux Vero 29 unit with 80 Watt (abt. 300 watt Halogen) Wide (90-100 deg) angle but that is okay for a sub. Housing is can go down to 800 M and has a 80 mm OD.<br>Dimmable, I don’t run it at full power.<br>LED driver 6-40 VDC : <a href="https://pcb-components.de/led-aufwaertswandler-boost-step-up/led-senser-xtreme-200-2050ma-6v-30v-detail.html" target="_blank">https://pcb-components.de/led-aufwaertswandler-boost-step-up/led-senser-xtreme-200-2050ma-6v-30v-detail.html</a><br><br><br>Br, Emile<br><br>-----Oorspronkelijk bericht-----<br>Van: Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org">personal_submersibles-bounces@psubs.org</a>] Namens Jon Wallace via Personal_Submersibles<br>Verzonden: maandag 28 augustus 2017 4:29<br>Aan: Personal Submersibles General Discussion<br>Onderwerp: [PSUBS-MAILIST] LED recommendations<br><br><br>While we're in the middle of an LED investigation, can those of you actively diving with LED lighting give us a guideline on a range of lumens we should be striving for (per lamp), how many lamps, spot or flood?<br><br>I know Alec was using an oil-filled 3000 lumen lamp on SNOOPY before selling it. I've been looking at PRIMELUX 8100 lumen lamp that seems like it could be easily adapted for oil or air compensation. Generally I would say more light is better but also need to be careful about power consumption so I don't want to purchase more light than is necessary for general operations.<br><br>Jon<br><br><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br><br><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>