86-536-3205077
No. 269, Fengshou Road, Private Industrial Park, Qingzhou, Weifang, Shandong, China (Mainland)
High-pressure sodium lamps (sometimes called HPS lights) are commonly used as plant grow lights. They have also been widely used for outdoor area lighting such as streetlights and security. Understanding the change in human color vision sensitivity from photopic to mesopic and scotopic is essential for proper planning when designing lighting for roads.
High-pressure sodium lamps are quite efficient-about 100 lm/W-when measured for photopic lighting conditions. The higher power lamps (600 W) have an efficiency of 150 lm/W.
Because the high-pressure sodium arc is extremely chemically reactive, the arc tube is typically made of translucent aluminum oxide. This construction led General Electric to use the trade name "Lucalox" for their line of high-pressure sodium lamps.
Xenon at a low pressure is used as a "starter gas" in the HPS lamp. It has the lowest thermal conductivity and lowest ionization potential of all the non-radioactive noble gases. As a noble gas, it does not interfere with the chemical reactions occurring in the operating lamp. The low thermal conductivity minimizes thermal losses in the lamp while in the operating state, and the low ionization potential causes the breakdown voltage of the gas to be relatively low in the cold state, which allows the lamp to be easily started.
High-pressure sodium lamps have a broader spectrum of light than the low-pressure lamps, but still poorer color rendering than other types of lamps. Low-pressure sodium lamps only give monochromatic yellow light and so inhibit color vision at night.
Weifang Hengxin Electronic Co.,Ltd established on August 2007,loactaed in Qingzhou private industry park, Weifang city ,Shandong Province, have convenient sea, land and air transportation. We are integrated development and manufacturing in-house company, we specialized in manufacturing all kinds of ceramic xenon lamp, ceramic metal halide lamp, metal halide lamp, high pressure sodium light, ballast and related products.
We have a number of outstanding professional research and development engineers. We can provide professional products design and development.
Our company have laboratories to complete high and low temperature ,vibration and shock test, CMC electrical performance test, photoelectric test etc. All of the products that we designed and developed will be fully tested to meet the requirement in function, high and low tempreture ,repeat calibration, electromagnetic interference, drop from height, and reliability, to provide our customer with high reliability products and end-to-end solution..
Energy saving is our common social responsibility. Let us work together to make sky more blue ,air more fresh and living condition more beautiful.
Q1. Can I have a sample order for high pressure sodium light?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A:Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than
Q3. Do you have any MOQ limit for high pressure sodium light order?
A: Low MOQ, 100PCS
Q4. How do you ship the goods and how long does it take to arrive?
A: For the small amount , we usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
For big amount we usually ship by shipment or as you required.
Q5. How to proceed an order for high pressure sodium light?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Q6. Is it OK to print my logo on high pressure sodium light product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
