08-18-2007, 11:49 PM | #1 (permalink) |
Join Date: Aug 15 2007 Location: Oklahoma
Posts: 11
Rep Power: 0 | When to change bulbs in stand-up unit Hello. I have a Sundome 10 minute Stand-up unit in my salon, and am unsure as to when to change the bulbs. I was told by ETS that its after 800 hours. However, I checked my timer and i'm only at 300 hours. We have been using the same bulbs for almost 2 years. Is it normal to not change the stand up bulbs as often as the average 20 minute lay-down, for example? The unit still seems to be effective. |
08-18-2007, 11:55 PM | #3 (permalink) |
Mr. b Join Date: May 10 2005 Age: 54
Posts: 7,247
Rep Power: 68 | Re: When to change bulbs in stand-up unit Oh, also, you could blow what it would cost you to relamp a couple of beds on five or six different UV meters and spend every day running tests for the next 500 usage hours - that would be another option.
__________________ "A dusty bible leads to a dirty life ..." -Synonymous Last edited by mr belvedere; 08-19-2007 at 09:48 PM. |
08-19-2007, 10:10 AM | #4 (permalink) |
Join Date: May 20 2003
Posts: 9,301
Rep Power: 29 | Re: When to change bulbs in stand-up unit Lamps do not go bad over time. If they only have 300hrs and they are still tanning then you are fine. NOW, 800hrs is kinda a long shot with a booth that's only a 10min timer. I would say 500hrs and get an order ready. |
08-19-2007, 11:11 AM | #5 (permalink) |
Join Date: Nov 13 2001 Location: MI
Posts: 861
Rep Power: 23 | Re: When to change bulbs in stand-up unit The "Belvy" has "issues" with UV meters because he doesn't understand them and hence™ gets all his "facts" wrong. For example... only one meter (not five) is needed to check lamp aging from new to down 30%. One measurement monthly (not every day) will keep track of outputs just fine. In your case, however, since you don't know what the NEW readings were, you'd have to stick a couple new lamps (of the same kind) in... and compare them to the old ones. Simple. |
08-19-2007, 11:49 AM | #6 (permalink) |
Join Date: May 20 2003
Posts: 9,301
Rep Power: 29 | Re: When to change bulbs in stand-up unit The Vitamin D meter and excel spreadsheet is the beez kneez! You can get MED and Vitamin D info from it and you can estimate based on specific variables. What's quite interesting is that all tanning beds regardless of lamp/watts seem to provide about the same amount of Vitamin D production in 1MED. Within 10% at least. Also, you get almost NO Vitamin D production wearing SPF 15 regardless of the bed. |
08-19-2007, 01:23 PM | #7 (permalink) |
Join Date: Feb 22 2003 Location: Michigan Age: 59
Posts: 1,389
Rep Power: 25 | Re: When to change bulbs in stand-up unit You most likely have the bronzing suns in this unit and they won't last 800 hours. All depends on the voltage going to your unit, heat, dirt etc. 500-600 hours and I would change them. Then invest in a UV meter when you purchase new lamps. |
08-19-2007, 01:50 PM | #8 (permalink) |
Join Date: Aug 15 2007 Location: Oklahoma
Posts: 11
Rep Power: 0 | Re: When to change bulbs in stand-up unit We do have the Bronzing Sun bulbs. They are still strong, but I feel like they are more on a "Level 1" than the "Level 2" results they are supposed to be putting out. I have no idea what a UV meter is...i've never even heard of it. Can someone please explain this to me? |
08-19-2007, 04:32 PM | #9 (permalink) | |
Join Date: Nov 13 2001 Location: MI
Posts: 861
Rep Power: 23 | Re: When to change bulbs in stand-up unit Quote:
Just go to www.solarmeter.com and click on Model 5.0. Forget about the other models... as you are a meter virgin. Then read: http://www.islandsuntimes.com/04-07/measure.htm | |
08-19-2007, 07:58 PM | #10 (permalink) |
Join Date: Aug 15 2007 Location: Oklahoma
Posts: 11
Rep Power: 0 | Re: When to change bulbs in stand-up unit Wow, not to sound stupid, but I had no idea you could even do that. That would definitely help out big time! I know that room temperature and ventilation have a lot to do with the life of the bulbs, and this would be a great way to find out if it is effecting the bulb life. Thanks! |
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