Low Pressure Sodium....

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I would use a HPS light the amount of light given after peak curve on lumen's is better than MH and when the HPS fails it just goes out unlike the MH that will flicker on and off..both MH and MV are lights that will start and burn when it take more electricity to burn than lumen's returned..So I would use HPS and it cuts down on glare and maintenace..I like the white light yet we are changing for cost reasons to HPS they are far more dependable and last longer with more consistent light..LPS light has a better lumen curve but the cost far out weight the benefit..
 
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Opps my bad .,,

Ok the Floodlight will work and with narrow flood beam pattern it can throw pretty far.

get one with narrow beam pattern that can really throw pretty far if you used 400w MH this one may work but not the exact the same but will give you a idea


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but there is few other style you may want to check out at your electrical supply centre they may have something pretty close what you are looking for.

Merci, Marc
 
Dump the LPS unless you have to deal with the Turtle Lady from Turtle Time. If you have the free Visual software from Lithonia's web site, you can determine the best ceverage for different lighting fixtures. Glare can be controlled by using flat lens, forward throw optics, house side shields, etc. 200 feet is a long way to reach and I am sure the LPS didn't do a good job there either.

Good luck
 
Light Tresspass

Light Tresspass

emahler said:
my concern with the MH is the glare...I don't have pictures, but the back of the restaurant is a wall of glass that overlooks the marina...the property is about 50' wide, the restaurant is 48' wide...there is a condo complex about 40' off the right of the restaurant and houses about 25' to the left of the restaurant.

the lights are about 6' above the glass windows....

I prefer the MH, but I'm concerned with the light pollution and glare...

am I worrying about nothing?
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You shouldn't have more "glare" from the Metal Halide lamp then you would from a HPS or LPS. It is all about the cut off angle of the fixture you are installing. If you are truly worried about glare at the condo or restaurant, try house-side shields or a light fixture that will offer direct cut-off.

Wouldn't install LPS myself. Is the customer concerned with being able to distinguish colors? You said this was primarily for security purposes, do they have a camera set up? Even if they don't have a camera set up, the CRI of the Metal Halide lamp is what I would install, then you just need to decide if you want to go with Pulse Start, Super Metal Halide or Metal Halide. If concerned with power consumption, look at the 320W Pulse Start that has roughly the same lumens as the 400W Metal Halide standard lamp.
 
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I like the pulse starts but is the added cost a benefit??they are extra money to repair and to maintain..Does the customer need an instant on light or is four minutes going to make a safety hazard??you can use cutoffs and side shields but are you going to be the one maintaining it??Is this customer one of your regular customers??I would sell them something that is durable and easy to maintain so it cuts their future costs down..I am lithonia fan and they have lighting specialist that work with local suppliers that will actually come to the site and give you some help..
 
hid lighting technology

hid lighting technology

cschmid said:
I like the pulse starts but is the added cost a benefit??they are extra money to repair and to maintain..Does the customer need an instant on light or is four minutes going to make a safety hazard??you can use cutoffs and side shields but are you going to be the one maintaining it??Is this customer one of your regular customers??I would sell them something that is durable and easy to maintain so it cuts their future costs down..I am lithonia fan and they have lighting specialist that work with local suppliers that will actually come to the site and give you some help..
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Just order them with a quartz restrike if an instant on is desired this is no longer an issue. There is almost zero maintenance to these fixtures for many years and the price is relatively low in the long run.
 
I like both pulse start and re-strikes but both are added maintenance..I find the re-strike bulbs don't last as long outside in the cold but that might not be a problem there..
 
I don't have any issue with the pulse start MH's they are getting very common nowdays. but just watchout with common 400's it can get little confuseing with wattage they come in 320, 350,360,400 i think someone make a 420 or 460 watt verison of this.

but really most common is 320,360 and 400 in this range.

For restrike quatz it is not too bad depending on how often they will kick on depending on the place will be 24/7 or just two shift operation.

Most outdoor luminaires i dealt with it most dont have quatz restrike on it but very few do spec'ed that but that pretty rarety

Merci, Marc
 
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