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Run up

Run up

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Looking better already, these have quite a fast run up

1E28784A-D15A-482A-B21B-989B22D383BD.jpeg 7E47758D-83DF-4DDD-AA98-9BF6E39EB551.jpeg 06A78E4A-87B9-4741-BE3D-01188A5F06BF.jpeg C73AE09C-0D4E-4CEF-A362-BDAE0F4D062C.jpeg

Light Information

Light Information

Manufacturer:Philips
Model Reference:CDM-T MW eco
Lamp
Lamp Type:Ceramic halide
Base:E40
Service Life:30,000 hrs to 50% failures
Fixture
Fixture Type:Lowbay
Ballast Type:Wire wound
Electrical
Wattage:230
Voltage:134
Current:2.14
Optical
Lumen Output:21,900
Color Temperature:4200k

File information

File information

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Filename:06A78E4A-87B9-4741-BE3D-01188A5F06BF.jpeg
Album name:AngryHorse / Metal halide lamps and lighting
Keywords:Lamps
File Size:309 KB
Date added:Jun 09, 2019
Dimensions:2464 x 1848 pixels
Displayed:85 times
Date Time:2019:06:07 11:13:38
DateTime Original:2019:06:07 11:13:38
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dor123
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Jun 09, 2019 at 02:16 AM Author: dor123
What is the hot restrike time with your current ignitor?

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

AngryHorse
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Jun 09, 2019 at 02:33 AM Author: AngryHorse
Not sure mate, haven’t tried one?, but it would be an interesting test?

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

funkybulb
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Jun 09, 2019 at 05:18 AM Author: funkybulb
wow that philips CDM lamp is looking good in there I wondering if They make lower wattage in such with Screw cap?

No LED gadgets, spins too slowly.  Gotta  love preheat and MV. let the lights keep my meter spinning.

AngryHorse
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Jun 09, 2019 at 06:02 AM Author: AngryHorse
They do indeed , they make a street lighting version with a screw cap in 70 watt, called the CityWhite CDO-TT Plus, Kev has some

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

Max
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Jun 09, 2019 at 08:23 AM Author: Max
The smaller CDOs are quite different, unlike HPI and CDM MW Eco lamps they are designed to run exclusively on HPS control gears, and their fill chemistry is also different (so the emitted light color is not the same). The strong blueish color that you see during run up (picture above) comes from indium, which is not present in the CDOs.

Short question about this particular job: shouldn't have you used the diffuse elliptical version of the CDM MW Eco for this low-bay installation? This would have limited glare in a significant way (I know those luminaires were already fitted with clear tubular lamps, but I think there was an opportunity to improve the visual comfort by changing the type of bulb used there).
AngryHorse
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Jun 09, 2019 at 09:30 AM Author: AngryHorse
now you mention it yes!, the mirror reflector lowbays here usually have elliptical lamps in them, but when these were fitted new four years ago, they actually came with tubular lamps, I didn’t think about it at the time of ordering?
Our mechanics are happy though, they have been working under the worn out old ones for a while now

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

Max
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Jun 09, 2019 at 09:39 AM Author: Max
I can imagine how an improvement those CDM MW Ecos are for the mechanics, even in clear tubular version, compared to the worn out Ventures
AngryHorse
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Jun 09, 2019 at 09:48 AM Author: AngryHorse
I’m proper impressed with these, I thought our works accounts office would complain about the price at first £26 each on line in the UK, but they were happy with that price, I wonder though just how long the ‘new’ ceramic tech will survive the constant LED onslaught???

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

Max
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Jun 09, 2019 at 09:53 AM Author: Max
I'm curious about that as well, but I think we'll see these lamps around for quite some time as they are now prime cash cows in the HID lamp industry (or what is left of this sector). It's good that your account office approves of their price as well, don't ever show them the price tag of HPI lamps (there is a factor of two difference here in the Netherlands).

I have also run several of those CDM MW Ecos and I am thoroughly impressed by these as well. Philips did a great job extending the CDM AllStart technology to Europe (the salt fill chemistry was changed to enable a stable operation on series choke ballasts though). These lamps are so much better than HPIs, and now there is a healthy level of red in the emitted light.
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Jun 09, 2019 at 10:06 AM Author: AngryHorse
What made me think on the LED question, after I’d fitted these, I went for some dinner at McDonald’s, this was situated in one of our supermarkets called ASDA.
And Asda has just fitted LED lowbay’s in the entrance foyer, being roughly at the same ceiling height as our workshop, these LED lowbays were blindingly brilliant!!, with excellent colour, it made me think whether ceramic halide technology may have come a little too late to the market to save the traditional HID lamp?

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

"Beauty fades, dumb is forever".......Judge Judy Cheesy

Max
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Jun 09, 2019 at 10:13 AM Author: Max
Some ceramic MH lamps did indeed come too late to the party, and that's why Philips phased out several of them in the past year or two (e.g. CDM Warm, CDM Fresh, CDM Elite Light Boost, etc...). There still is a huge installed base of MH luminaires out there and those need to be maintained with conventional MH lamps. Since the production of HPI and similar lamps for the EU market has been banned in Europe since April 2017 (and I think this also applies to the UK despite Brexit), this means that when all quartz MH lamp stocks will be depleted, the only option for the maintenance market will be the CMH lamps of the CDM MW Eco kind, and this market is not expected to vanish overnight (it will take some more time before all lighting installations are converted to LEDs).
So, that's why there's a good reason to think that we'll see those CMH lamps around for years to come - they never were intended to save the HID industry, this ship has sailed, but to cater for the remaining maintenance market while ensuring higher profit margins to lamp manufacturers while keeping the competition from the Far East at bay.
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