LED Wall Pack Fixtures. Here, the halide ion is called a ligand. Show Printable Version; 09-04-2011, 07:31 AM #1. Some metal halides have covalently bonded metals and halogens. in my experience sodium lights have always had more of an orange tint. Rick Rowlands. The main difference between metal halide and high pressure sodium is that metal halide lamps have a high efficiency and color rendition of light whereas high pressure sodium lamps have a poor color rendering. Metal halides are compounds between metals and halogens. HPS light costs differ based on the particular fixtures, but are cheap compared to LEDs. These compounds have high melting and boiling points. The major disadvantage is that it still has a bad color when compared to a metal halide lamp. Thread Tools. High pressure sodium lamps are an improved version of low pressure sodium lamps. 2.3 Quartz Metal Halide (QMH) Metal Halide lamps have an efficacy of 80-115 lumens per watt and have a life between 10,000-20,000 hours. While the technology behind indoor plant lighting has evolved rapidly, one thing has stayed fairly constant: Most growers still prefer to use high-intensity discharge lights in their grow rooms. Metals are the elements in the s block and d block. What is the Best Type of HID Light to Grow Stocky Tomato Plants? A typical 250 watt high pressure sodium bulb will produce around 87 lumens per watt; 21,750 lumens total. Because of their numerous advantages, metal halide lamps are used extensively in outdoor applications and in commercial interiors. Metal halide lamps produce light in the white and blue spectrums, while high pressure sodium lamps produce light in the yellow, orange and red spectrums. 1. What is High Pressure Sodium – Definition, High Pressure Sodium Lamp 3. Halogens can accept electrons to their outermost electron shell. Likes: 0. Both types come with unique advantages and disadvantages. Difference Between Metal Halide and High Pressure Sodium, What is the difference Between Metal Halide and High Pressure Sodium, Difference Between Protonation and Deprotonation, Distinguish Between Binary Acids and Oxyacids, What is the Difference Between Aromatherapy and Swedish Massage, What is the Difference Between Lyocell and Viscose, What is the Difference Between Pine Tree and Christmas Tree, What is the Difference Between Aioli and Mayonnaise, What is the Difference Between Massage Oil and Body Oil, What is the Difference Between Chia and Basil Seeds. Well, both these lights have specific characteristics that … These alternatives also have longer average lifespans. HID vs. Are Yellow Light Bulbs All Right for Seedlings? Ionic compounds such as sodium chloride, covalent compounds such as palladium chloride and some coordination compounds are considered as metal halides. “Halides | Metal Halides | Uses of Halides | Examples | Chemistry | Byju’s.” Chemistry, Byjus Classes, 18 Sept. 2017, Available here. “Alpha-palladium(II)-chloride-xtal-3D-balls” By CCoil (talk) – Own work (CC BY 3.0) via Commons Wikimedia 3. What is a Metal Halide – Definition, Different Types, Metal Halide Lamps 2. High Pressure Sodium Grow Lights vs Metal Halide Grow Lights The article below will explain the differences between High Pressure sodium Grow Lights and Metal Halide Grow Lights. A metal halide bulb will produce around 58 lumens per watt; 14,500 lumens total. Since we will be talking about High Pressure Sodium (HPS) lights, we will also be talking about Metal Halides, which are a counterpart to it. Score: LED 5, Metal Halide 0 LED floodlights vs High Pressure Sodium floodlights Efficiency High Pressure Sodium floodlights come closer to rivalling LED floodlights than halogen and metal halide. Metal halides are inorganic compounds composed of a metal ion and a halide ion. “High Pressure Sodium Lamps” By Swisstack – Own work (Public Domain) via Commons Wikimedia. Good efficiency, smaller size than low pressure sodium lamp, better bulb life are some of the advantages. A metal halide bulb produces about 65-110 lumens of light per watt while a high pressure sodium bulb produces about 96-150 lumens of light per watt. And a lot of time, we have a product in mind that works based on past experience. The main difference between metal halide and high pressure sodium is that metal halide lamps have a high efficiency and color rendition of light whereas high pressure sodium lamps have a poor color rendering. just my opinions though. have you thought about using LED lights for spreader lights, there are some pretty great options out there now a days. Figure 4: High Pressure Sodium Lamps . An ionic bond is a type of chemical bond which has an electrostatic attraction between a cation and an anion. A high pressure sodium bulb produces light that is reddish-yellow, while metal halide bulbs produce a much more balanced white light that has more of the visual spectrum. The primary visual difference between them is that metal halide light is white and the light emitted from a High Pressure Sodium bulb is amber orange. Here, a metal halide has electrostatic attractions between metal cations and halide anions. 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