The Osram Dulux 18W 840 4 Pin Double Turn Compact Fluorescent Lamp in cool white provides bright a...The Osram Dulux 18W 840 4 Pin Double Turn Compact Fluorescent Lamp in cool white provides bright and efficient lighting, making it ideal for both residential and commercial spaces. This energy-efficient bulb has an energy efficiency class of A and a lifespan of approximately 10,000 hours. It features a G24q-2, 4-pin cap fitting and emits a cool white light with a color temperature of 4000K. The bulb measures approximately 145mm in height and 34mm in width. Energy saving lamps, also known as compact fluorescent lamps (CFLs) or low energy bulbs, save energy by using technology similar to fluorescent tubes to produce equivalent light outputs to conventional tungsten filament bulbs but with significantly lower power requirements and increased life expectancy.
This guide is for anyone looking to understand and effectively use the Osram 18W CFL Light Bulb. This energy-efficient bulb offers bright, cool white lighting and a long lifespan, making it suitable for both residential and commercial applications. However, it's important to note that CFLs contain a small amount of mercury and require proper disposal. This guide provides comprehensive information on features, performance, setup, and troubleshooting.
All features
Colour
White
Energy Efficiency
A
Model Part Number
DE18W840
Brand
Osram
Extended Product Information
FAQs
How long does the bulb last?
The Osram 18W CFL has a rated lifespan of up to 20,000 hours.
Can I use this bulb with a dimmer?
Yes, the bulb is dimmable. However, ensure your dimmer is compatible with CFL bulbs.
What is the color temperature of the light?
The color temperature is 4000K, which provides a cool white light.
How do I dispose of the bulb?
Dispose of the bulb at a recycling center. Do not dispose of it in regular household waste.
What is the fitting type?
The fitting type is G24q-2, 4-pin.
What is the light output of the bulb?
The light output is 1200 lumens.
Is this bulb energy efficient?
Yes, it has an energy efficiency class of A.
What are the dimensions of the bulb?
The bulb measures approximately 146 mm in length and 34 mm in width.
Troubleshooting
The bulb does not turn on.
Check the power connection to the fixture and ensure the bulb is properly inserted. If it still doesn't work, try replacing the bulb.
The light flickers.
Ensure the bulb is compatible with the dimmer if you're using one. If not using a dimmer, the bulb may be faulty and need replacement.
The light is dim.
Check the dimmer setting (if applicable). If not using a dimmer, the bulb may be nearing the end of its life or the fixture may be the problem.
Pros and Cons
Pros
Energy efficient, helping to reduce electricity bills.
Long lifespan, minimizing replacement frequency and costs.
Provides bright, cool white light suitable for various applications.
Dimmable, offering flexibility in light intensity.
Good quality of light.
Excellent luminous flux.
Cons
Contains mercury, requiring careful disposal.
May take a few seconds to reach full brightness.
Not compatible with all dimmers; check compatibility.
Can be more expensive upfront than some other bulb types.
Sensitive to frequent switching, which can reduce lifespan.
May not be suitable for all enclosed fixtures due to heat generation.
Setup, Compatibility & Care
Installation:
Ensure the power is switched off before replacing the bulb.
Insert the G24q-2 fitting into the compatible socket.
Turn on the power to test the bulb.
Compatibility:
This bulb is compatible with fixtures that support G24q-2, 4-pin CFL bulbs.
Ensure your dimmer is compatible with CFL bulbs. Check the dimmer specifications.
Care:
Handle the bulb with care to avoid damage.
Clean with a dry cloth. Do not use liquids.
When the bulb reaches the end of its life, dispose of it properly at a recycling center. Do not dispose of it in regular household waste.