Any idea what bulbs these are?

[fizzy]

Yes I know I should replace with LED units but for now we have 3 bulbs gone.
Some are very white light others yellow.

 

[fizzy]

Not bad pics for poor lighting conditions I thought - and the ceiling is about 20 feet high - Samsung Galaxy s9.

 

[Hitch]

Sodium by the looks...

 

[fizzy]

Sodium by the looks...

Some are very white though - perhaps mercury vapour ? what pin and wattage?

 

[julianf]

I reckon mercury. Street lighting is sodium - if it's whiter than that, I don't think it will be sodium.

Metal halide is whiter, but the bulb shape looks like mercury to me.

 

[500e]

Expet they are ES They should have wattage on them wattage variable
There are White Son bulbs as well more expensive & shorter life
We replaced them a few years ago with LED expensive to start with but we were running 15\18 hours a day paid for themselves in a short time they have been faultless from LED hut
https://www.tlc-direct.co.uk/Products/LASONE70slashI.html?source=adwords&ad_position=1o1&ad_id=45425533757&placement=&kw=&network=g&matchtype=&ad_type=pla&product_id=LASONE70/I&product_partition_id=174055629667&version=finalurl_v3&gclid=EAIaIQobChMI36m8p5223gIVbZPtCh25XAM7EAQYASABEgKU-fD_BwE

https://www.tlc-direct.co.uk/Technical/DataSheets/Crompton/LADMH_Datasheet.pdf

 

[Hitch]

Look like the large industrial lights? think the orangey ones are sodium, think the white ones may be different.
All the ones i've come across have been a 40mm Edison screw, think theyre 400w usually, but i think they do a lower powered one, 250w iirc, not sure if thats the same fitting or not.

 

[fizzy]

In fairness we have been here 7 years and never changed a bulb! In winter they are on say 12 hrs a day - so as a very rough calc they have lasted 14,000 hrs - and had probably been here for a few years before us. I wonder if the LEDs will last that long?

 

[daleyd]

In fairness we have been here 7 years and never changed a bulb! In winter they are on say 12 hrs a day - so as a very rough calc they have lasted 14,000 hrs - and had probably been here for a few years before us. I wonder if the LEDs will last that long?

Probably, and should save you a fair bit in electricity costs too I would think?

I was working in a printing factory in Peterborough some years ago when one of those sodium bulbs exploded and dropped on to a reel of paper - the whole place nearly went up in smoke, luckily there were people around to put it out!!

 

[voipio]

The middle, greenish-tinged bulb, is almost certainly a high pressure mercury arc lamp. Sometimes they are blended bulbs i.e. mercury mixed with other element(s) to give a better colour balance, but use the same ballast.

 

[fizzy]

The middle, greenish-tinged bulb, is almost certainly a high pressure mercury arc lamp. Sometimes they are blended bulbs i.e. mercury mixed with other element(s) to give a better colour balance, but use the same ballast.

That was just as it was firing up - very white when warmed up.

 

[500e]

Ours paid for themselves in about 9 months but the saving is still ongoing + no heat up time, I thing we have had them for 4 years with no problem, we have nothing but LED units on site in total 20 Hi bay 200watt units + numerous tube LED's & outside flood lamps, with 1x 20 watt flood gone US, & they have gone down in price
Factor in running cost as well as life.

 

[fizzy]

Ours paid for themselves in about 9 months but the saving is still ongoing + no heat up time, I thing we have had them for 4 years with no problem, we have nothing but LED units on site in total 20 Hi bay 200watt units + numerous tube LED's & outside flood lamps, with 1x 20 watt flood gone US, & they have gone down in price
Factor in running cost as well as life.

Can you send me a link to similar units please .

 

[Robotstar5]

We swapped all our high bay lighting for Megaman LED lamps.

 

[slim_boy_fat]

That's part of the answer - it's the constant on/off/on sequence which kills bulbs more quickly.

 

[500e]

https://www.ledhut.co.uk/commercial-led-lighting/led-high-bay-lights.html

 

[500e]

Could be price reductions I have not checked

https://www.ledhut.co.uk/commercial-led-lighting/led-tube-lights.html