Overdriving lights.
 

Hi,

Shimmer effect in MH...what's that ? (just kidding)

Any who...you want a MV setup for the Iwasaki (makes Iwasaki bluer, they are design to run off of a MV and MV are cheaper).

Super VHO...you can be the pioneer and try it out [img]images/smiles/icon_smile.gif[/img] Get some old VHOs from reefers and give it whirl. OR...we can get Steve to try it out...Steve ?

- Victor.

Overdriving lights.
 

hehe if I had a ice cap I would..I think I have a little radiation burn on the left side of my face from my last exparament still [img]images/smiles/icon_biggrin.gif[/img] but now what were you sayign about cheeper MH? I would be interested in that.. how much would it be to get a one bulb 175 or 250 watt set up going?

Steve

[ 11 December 2001: Message edited by: StirCrazy ]

Overdriving lights.
 

Hi,

Depends how DIY you want to get...but $200 to $300 is the price range for a 250W Iwasaki single fixture. $100 for the lamp...so the fixture can range between $100 to $200. MV are $10 to $30 cheaper than MH.

- Victor.

Overdriving lights.
 

and do they look better on a MV ballast than they would on a MH ballast? all I would be looking for is a bulb , ballast and socket.. I woulf do all the wiring myself

Steve

Overdriving lights.
 

Hi,

Iwasaki 250w used by reefers are known as MV conversion lamps. They are MH lamps, but they are design to operate on a MV fixture. MV are cheaper because they don't need a capacitor to start.
http://www.rpi.edu/dept/union/aquari...ml/DIY_MH.html

Iwasaki is more blue when MV ballast is used.

- Victor.

Overdriving lights.
 

Excellent link Victor! That is exactly what I need. Looks like I'll be working on that project in the new year sometime.

Is it possible to get MV ballasts from Albrite or similar local supplier?

Overdriving lights.
 

Hi,

Yupe. The part numbers are in the link. Note that some ballasts are more efficient than others (for example, one ballast could require ~5A to run a 250W lamp, while another one would require 3A).

- Victor.

Overdriving lights.
 

Steve,

Ummm...do you think you can do some of your PC measurements with a 3 feet distance from the lamp. Andy, from Icecap, did some measurements @ 3 feet.

From Andy :


<BLOCKQUOTE><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><HR>
From IceCap:
The readings are in LUX.

Latest installment.
1)Two MagneTek Universal 446L electronic ballasts (2 lamps per ballast).
Wattage used by lamps and ballast = 173
Light meter reading from three feet away = 182
L/W = 1.052
2)One Model 660 electronic ballast.
Wattage used by lamps and ballast = 269
Light meter reading from three feet away = 333
L/W = 1.238
or 83% more light, 17% more lumens per watt.

All tests this time were on brand new G.E. AquaRay Fresh & Saltwater 4-foot, NO T-12 lamps. I ran the Conventional ballasts 1st just in case the break-in caused them to drop off output quickly.

<HR></BLOCKQUOTE>
- Victor.

Overdriving lights.
 

<BLOCKQUOTE><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><HR>Originally posted by reefburnaby:
Hi,

Iwasaki 250w used by reefers are known as MV conversion lamps. They are MH lamps, but they are design to operate on a MV fixture. MV are cheaper because they don't need a capacitor to start.
http://www.rpi.edu/dept/union/aquari...ml/DIY_MH.html

Iwasaki is more blue when MV ballast is used.

- Victor.<HR></BLOCKQUOTE>

Ok I just got back from Albrite and they have a Iwasaki for me but there is no R designation like they mention in that article and they have no listing for another bulb, and now that I look at the pictures the bulb they have is not the "R" that we need. also they tell me it wont run on a MV ballast is this true or do they just think this.. they have no listing for the advance balast mentioned in the article also. anyone have anyother ideas whare to look?

Steve

[ 14 December 2001: Message edited by: StirCrazy ]

Overdriving lights.
 

Hi,
http://www.eyelighting.com/mhconversioncleanace.html

R version has the UV shield. I believe there is an Iwasaki distributor in BC. So, you can contact them to make sure that they have it. Then call Albrite to call them to get that bulb....I don't think the distributor can sell directly to you (but you can try). Or...you can buy a UV shield.

As for your ballast, I'll get back to you on that one...I'll find you a more common ballast (the one they recommend works with 4 different line voltages...which we don't need and they tend to be rare). Say...what does Albrite say that they recommend for a MV ballast ?
-------

opps...type R is not the UV shield version. Its the version with a resistor in the bulb. I'll try to find out what's the story, but supposedly this is a newer bulb. The old ones don't have the R designation.

- Victor.

[ 14 December 2001: Message edited by: reefburnaby ]