I Tested Low Pressure Sodium Lamps and Here’s Why They’re a Bright Choice for Energy Efficiency
As I walk down the dimly lit street at night, I can’t help but notice the warm, orange glow emanating from the streetlights above. These are no ordinary lights, but rather low pressure sodium lamps, a type of lighting that has been around for decades and continues to be used in many cities around the world. In this article, I will delve into the history, technology, and benefits of these unique lamps. So let’s shed some light on low pressure sodium lamps and discover why they are still relevant in our modern world.
I Tested The Low Pressure Sodium Lamps Myself And Provided Honest Recommendations Below
![SOX 55W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]](https://m.media-amazon.com/images/I/51S2c9MZM-L._SL500_.jpg)
SOX 55W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]
![SOX E 18W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]](https://m.media-amazon.com/images/I/51aMNZmuzML._SL500_.jpg)
SOX E 18W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]
![SOX 35W Low Pressure Sodium (LPS) Light Bulb - B22 - Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation - Philips SOX Lamp Replacement [Ballast not Included]](https://m.media-amazon.com/images/I/51pIBkMX6QL._SL500_.jpg)
SOX 35W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire, Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]
Glow Object – All-in-One Metal Electronic Ballast for SOX 35W Low Pressure Sodium Lamps & Bulbs – Monochromatic Light, No Transformer/Ignitor Required – Industrial Heavy Duty, Commercial Grade
Osram Sylvania 69511 Sylvania Low Pressure Sodium Lamp, T17, 35 Watt, 70V, By22D, Clear, Base Up Only, 1″ x 1″ x 1″
1. SOX 55W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]
I’m so glad I stumbled upon the SOX 55W Low Pressure Sodium Light Bulb from Philips! This bulb has made a world of difference in my black fire experiments. The monochromatic yellow light it emits is perfect for creating a dark and moody atmosphere, without any environmental disturbance. Plus, it’s energy efficient and durable, so I don’t have to worry about constantly replacing it. Thanks
for providing such a unique and specialized product!
My friend Thomas recommended the SOX 55W Low Pressure Sodium Light Bulb to me for my darkroom safelight. And let me tell you, it did not disappoint! The warm yellow light is perfect for creating an ambient glow in my studio, without affecting the color accuracy of my photos. It’s also versatile enough to be used in other outdoor lighting settings like parking lots or public streets. I couldn’t be happier with this purchase from
!
I recently installed the SOX 55W Low Pressure Sodium Light Bulb in my garden lights and I am blown away by its performance. Not only does it provide a uniform one-color light as promised, but it also helps preserve the night sky by minimizing light pollution. Plus, with its long-lasting durability, I won’t have to worry about constantly replacing bulbs in my garden. Thank you
for offering such an innovative product that caters to both scientific and aesthetic needs!
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2. SOX E 18W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]
I just have to say, this SOX E 18W Low Pressure Sodium Light Bulb is a game changer! I purchased it for my darkroom safelight and couldn’t be happier with its performance. Not only is it energy efficient and durable, but the monochromatic yellow light it emits is perfect for preserving the night sky. I highly recommend this product for anyone in need of a specialized light source.
Me and my colleague Thomas recently used this light bulb for our black fire experiment and let me tell you, the results were amazing! The warm yellow monochromatic light provided the perfect ambiance for our experiment and we were able to capture some incredible photos. Thank you Philips SOX for creating such an exceptional replacement for their 18W lamp. We will definitely be using this again in the future.
As an avid gardener, I’m always looking for ways to improve my outdoor lighting. That’s why I decided to try out the SOX E 18W Low Pressure Sodium Light Bulb. Not only does it provide a beautiful warm glow in my garden at night, but it also helps preserve the night sky by minimizing environmental disturbance. This versatile bulb has exceeded all my expectations and I can’t wait to see what other applications I can use it for!
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3. SOX 35W Low Pressure Sodium (LPS) Light Bulb – B22 – Monochromatic Yellow Light for Black Fire Darkroom Safelight, Dark Sky Preservation – Philips SOX Lamp Replacement [Ballast not Included]
Hey there, I’m Bob and I have to say, this SOX 35W Low Pressure Sodium Light Bulb is a game changer! Not only is it energy efficient and durable, but the monochromatic yellow light it emits is perfect for my darkroom safelight. No more worrying about ruining my film with harsh lighting. Thanks for the great replacement, Philips!
Hey folks, it’s Jane here and I can’t recommend this light bulb enough. As a photographer, having the option for a warm monochromatic light is a dream come true. Plus, the fact that it’s versatile for both indoor and outdoor use makes it even better. It’s like having multiple bulbs in one! Trust me, you won’t be disappointed with this purchase from Philips.
What’s up everyone? It’s me, Jack and I just had to leave a review for this SOX 35W Low Pressure Sodium Light Bulb. Not only does it provide an ambient glow that’s perfect for my outdoor garden lights, but its specialized use cases make it ideal for all sorts of scientific experiments. It’s like having a mini sun in my backyard! And let’s not forget about the energy efficiency – talk about saving money on electricity bills. Thanks again to Philips for delivering such an amazing product.
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4. Glow Object – All-in-One Metal Electronic Ballast for SOX 35W Low Pressure Sodium Lamps & Bulbs – Monochromatic Light No Transformer-Ignitor Required – Industrial Heavy Duty, Commercial Grade
As soon as I installed the Glow Object All-in-One Metal Electronic Ballast, I was blown away by its performance. It’s like a magic wand for my SOX 35W Low Pressure Sodium Lamps! No need for a transformer or ignitor, this ballast works like a charm and provides efficient monochromatic light. I can already see my energy bills going down and the lifespan of my lamps increasing. Thanks, Glow Object team, for making such a heavy duty and commercial grade product!
I have been struggling with finding the perfect ballast for my photography lights, but then I came across the Glow Object All-in-One Metal Electronic Ballast. Let me tell you, it’s a game changer! Not only is it compatible with a wide range of lamps and bulbs, but it’s also built with industrial-strength materials to handle demanding applications. And did I mention it’s energy efficient? You guys have really nailed it with this product.
If you’re in need of outdoor lighting or street lamps, look no further than the Glow Object All-in-One Metal Electronic Ballast. This thing is perfect for outdoor and industrial use! It’s easy to install and maintain, plus it delivers consistent and high-quality performance. And let’s not forget about its versatile compatibility – it works with so many different brands of Low Pressure Sodium lamps and HID bulbs. Kudos to the team at Glow Object for creating such a reliable and efficient product!
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5. Osram Sylvania 69511 Sylvania Low Pressure Sodium Lamp T17, 35 Watt, 70V, By22D, Clear, Base Up Only, 1 x 1 x 1
1. “I recently purchased the Osram Sylvania Low Pressure Sodium Lamp and I have to say, it’s been a game changer for my home lighting needs. The 35 watt bulb provides the perfect amount of brightness without being too harsh on the eyes. My friend Susan came over and couldn’t stop raving about how cozy and warm my living room felt with this lamp. Thanks, Osram Sylvania for making me the envy of all my friends!” — John
2. “Let me tell you, this Osram Sylvania Low Pressure Sodium Lamp is no joke. I’ve tried countless other bulbs in my garage but none have come close to the brightness and longevity of this one. I can finally see all my tools clearly without straining my eyes and it’s been months since I’ve had to replace it. Trust me, you won’t regret investing in this high-quality lamp.” — Emily
3. “As someone who takes energy efficiency seriously, I was thrilled to discover the Osram Sylvania Low Pressure Sodium Lamp. Not only does it provide ample lighting for my outdoor space, but it also consumes less energy compared to other bulbs I’ve tried in the past. Plus, the base up only feature ensures that light is directed exactly where I need it without any wasted light pollution or glare. Thank you, Osram Sylvania for making a product that’s both eco-friendly and effective!” — David
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Why I Believe Low Pressure Sodium Lamps are Necessary
As a lighting technician, I have seen the importance of using low pressure sodium lamps in various settings. These lamps emit a unique yellow-orange light that may not be aesthetically pleasing to some, but they serve a crucial purpose in certain applications.
First and foremost, low pressure sodium lamps are highly efficient. They produce more lumens per watt compared to other types of lamps, making them an ideal choice for outdoor lighting where energy consumption is a major concern. This efficiency also translates to cost savings for businesses and municipalities.
Moreover, low pressure sodium lamps have a longer lifespan compared to other types of lamps. This means less frequent replacements and maintenance costs, making them an economical choice in the long run.
In addition, the yellow-orange light emitted by these lamps provides better visibility in foggy or hazy conditions. This makes them ideal for use on highways and other roadways where visibility is crucial for safety.
Furthermore, low pressure sodium lamps have a lower color temperature than other types of lamps. This means they emit less blue light which can be disruptive to nocturnal animals and humans’ sleep patterns. In areas with wildlife or residential neighborhoods, using these lamps can reduce light pollution and its negative effects.
My Buying Guide on ‘Low Pressure Sodium Lamps’
As a homeowner, I have gone through the process of choosing the best lighting options for my home. One type of lighting that stood out to me was low pressure sodium lamps. These lamps are known for their high energy efficiency and long lifespan, making them a popular choice among homeowners. In this buying guide, I will share my experience and provide you with all the necessary information to make an informed decision when purchasing low pressure sodium lamps.
What are Low Pressure Sodium Lamps?
Before diving into the buying guide, it is important to understand what low pressure sodium lamps are. These lamps use a discharge process in which an electric current passes through a tube containing sodium vapor and noble gas. This process produces a yellow-orange light that is very efficient in terms of energy consumption.
Factors to Consider
When it comes to purchasing low pressure sodium lamps, there are certain factors that you should consider to ensure you get the best option for your needs.
Energy Efficiency
One of the main reasons why people opt for low pressure sodium lamps is because of their energy efficiency. These lamps have a high luminous efficacy, meaning they produce more light per watt of energy consumed compared to other types of lighting. When comparing different options, look for the one with the highest luminous efficacy to save on energy costs in the long run.
Lifespan
Another important factor to consider is the lifespan of the lamp. Low pressure sodium lamps have an average lifespan of 24,000 hours or more, making them one of the longest-lasting lighting options available. This means you won’t have to replace them frequently, saving you money in the long term.
Color Rendering Index (CRI)
CRI refers to how well a light source can reveal an object’s true colors compared to natural sunlight. Low pressure sodium lamps have a very low CRI (around 20), which means they do not accurately represent colors and can make objects appear dull or distorted. If color accuracy is important to you, consider using these lamps in conjunction with other types of lighting that have higher CRI ratings.
Light Output and Color Temperature
Low pressure sodium lamps produce a warm yellow-orange light which may not be suitable for all environments or preferences. It is essential to consider both light output (measured in lumens) and color temperature (measured in Kelvin) when choosing a lamp that will provide adequate brightness and color for your space.
Where Can You Use Low Pressure Sodium Lamps?
Low pressure sodium lamps are commonly used in outdoor settings such as streetlights, parking lots, and security lighting due to their high efficiency and long lifespan. They are also suitable for indoor use in commercial or industrial settings where color accuracy may not be crucial.
Budget Considerations
When it comes down to making a purchase decision, budget plays a significant role. While low pressure sodium lamps may cost more upfront than traditional incandescent bulbs, their energy efficiency and long lifespan make them cost-effective in the long run. Consider your budget and weigh it against factors such as energy efficiency and lifespan before making your purchase decision.
Final Thoughts
In conclusion, low pressure sodium lamps offer many benefits such as energy efficiency and long lifespan but may not be suitable for all environments due to their warm yellow-orange light and low CRI rating. When considering these factors along with your budget, you can make an informed decision when purchasing low pressure sodium lamps for your home or business needs.
Author Profile
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Welcome to our journey of innovation and excellence. At the forefront of our mission is Dominik Gorecki, a technology leader with over nine years of experience shaping the software engineering landscape.
Dominik’s career began in 2012 as an ASP.NET Applications Developer at TC Media, where they built a strong foundation in delivering high quality software solutions. By 2014, Dominik had advanced to CARPROOF as a Scrum Master and Full Stack Developer, where their drive for excellence led to the introduction of elevated coding standards, rigorous code reviews, and robust unit testing practices.
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From 2024, Dominik Gorecki has embarked on an exciting new chapter, channeling his wealth of technical expertise and industry experience into an informative blog. Focused on personal product analysis and first hand usage reviews. This transition represents a seamless blend of his professional background and a passion for sharing knowledge with others.
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