China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

[2014-03-11]

Metal halide lamps are one of three types of high intensity discharge (HID) lamps in general use. The other two types are mercury and high-pressure sodium lamps. HID lamps have bright light output making them perfect for outdoor lighting. Magnetic Ballast is an isolated three-section core and coil, including a tertiary winding.Ballasts are required for many kinds of lamps which build up resistance the longer they are lighted. These lamps, including fluorescent lamps and HID lamps, would continue to draw more and more current the longer they are lit. Eventually the bulb overheats and could possibly explode. A capacitor is always connected across this tertiary winding, not in series with the lamp. A CWI type high pressure sodium ballast (although isolated winding) does not provide characteristics of lamp regulation, power factor, dip tolerances, etc. equivalent to those of a magnetic regulator. The key factors in selecting the right HPS ballast must involve the system (lamp and ballast) changes that occur over normal lamp life as presented in this table....

[2014-03-10]

One characteristic of iron-cored electromagnetic ballast operating at 60 Hz, is the generation of audible noise. Noise can be increased by high temperatures, and it is amplified by certain luminaire designs. The best ballasts use high quality materials and workmanship to reduce noise. Noise is rated A, B, C, or D in decreasing order of preference. An "A" rated ballast will hum softly; a "D" rated ballast will make a loud buzz. The number of ballasts, their sound rating, and the nature of ambient noise in the room determine whether or not a system will create an audible disturbance. Electromagnetic ballast generate audible noise as a result of magnetically induced mechanical stress. This may be amplified or attenuated depending on fixture design, mounting methods and room acoustics. There are presently no noise standards for HID ballasts. Generally, Single Voltage Hybrid and HX ballasts are noticeably quieter (greater than 10 dB) than CWA, CWI or regulated lag ballasts....

[2014-03-10]

Magnetic ballast use a coil wrapped around a metal core, essentially an electromagnet, to generate an inductive field that affects the voltage flowing through the coil wire. Because they work at a lower cycle than electronic ballasts, you may notice a flicker or hear a hum coming from fixtures containing electromagnetic ballasts. Ballasts are required for many kinds of lamps which build up resistance the longer they are lighted. These lamps, including fluorescent lamps and HID lamps, would continue to draw more and more current the longer they are lit. Eventually the bulb overheats and could possibly explode. For a lighting device based on electric gas discharge to work, the ionization of gas in the tube is necessary. This phenomenon takes place at a relatively high potential difference and/or temperature than the normal operating conditions of the lamp. After the arc is set up, the conditions can be brought down to normal. To achieve this,...

[2014-03-09]

400w James Ballast simply outperforms the rest. Why buy a 400w magnetic ballast from a Hydroponics store chain that will consume more energy and give you less light? This James ballast puts out 50% more than the competition's magnetic ballasts! See the video! Numbers don't lie. Lighting is the most important factor for gardening and this high quality FCC tested 400w James Ballast will provide great lighting while only running at 2.2 amps. The silent, cool running, and fast starting 400w James Ballast is packed with safety features to ensure great longevity. If there are any circut problems (that can be caused from a faulty bulb or even wire), the ballast will shut off. The 400w James Ballast is resin encoated to ensure that the surrounding environment will not cause any damage. This James ballast is completely switchable and will work with MH and HPS bulbs. Next to genetics, lighting is the most important factor for indoor gardening. James is proud to offer the latest advance in James Ballast technology. These James ballasts offer a glimpse of the future of HID lighting control systems. They offer an improved design and increased efficiency, while delivering the best performance in the industry. Lab tests have shown that the James James Ballasts use up to 30% less electricity and are up to 30% brighter than traditional magnetic ballasts. Tested against the 3 top-selling brands in today's marketplace, James ballasts outperform them all in terms of power consumption and light output. This standard bulb emits 55,000 lumens with a rated life span of 24,000 hours. Features: 55,000 lumens 24,000 hour rated life mogul base universal mounting position WARRANTY FOR THE 400 WATT HIGH PRESSURE SODIUM GROW LIGHT: This quality grow light system features a fantastic warranty usually found with grow lights costing much more. The High Pressure Sodium 400 watt High Pressure Sodium grow light carries a 2 year warranty for the High Pressure Sodium ballast and components and a 1 year warranty for the High Pressure Sodium lamp. If you need any help or assistance with your purchase, feel free to contact our hydroponics and indoor gardening experts via phone or email....

[2014-03-09]

For a lighting device based on electric gas discharge to work, the ionization of gas in the tube is necessary. This phenomenon takes place at a relatively high potential difference and/or temperature than the normal operating conditions of the lamp. After the arc is set up, the conditions can be brought down to normal. To achieve this, three types of methods are generally employed: pre-heat, instant start and rapid start. In pre-heat, the electrodes of the lamp are heated to a high temperature before the voltage is impressed upon them through a starter. Instant start ballasts were developed to start lamps without delay or flashing and use an initial high voltage in place of raised temperatures. Rapid start ballasts make a tradeoff between pre-heat and instant start and use a separate set of windings to initially heat the electrodes for a lesser duration and then, using a relatively lower voltage to start the lamp. Another type, programmed start ballasts is a variant of rapid-start. Any of these starting principles may be used in the ballasts. Initially, when the gas is unionized, it offers a high resistance path to current. But after the ionization takes place and the arc is set up, the resistance drops to a very low value, almost acting like a short circuit. If all this current is allowed to pass through the lamp, the lamp would either burn out or cause the power supply to fail. Thus the ballast needs to perform the current limiting. POWER FACTOR (PF) – The ratio of (line wattage to line volts X lamps), expressed as a percent. A high power factor (HPF) ballast must have a power factor of at least 90%. Anything less is considered normal power factor (James). James designs normally range from 40-60%. An James ballast draws about twice the operating line current of an HPF design and may require larger conductors, switches, breakers or distribution transformers for the same lighting load. Where an James lighting load adversely affects overall power factor, energy rates may be significantly increased.A lag-type regulating ballast will have a power factor greater than 90% throughout the rated life of the lamp regardless of line voltage or lamp aging. A lead-type magnetic ballast will initially have at least 90% PF but may drop as low as 65% due to lamp aging. It is possible for HPF non-regulating ballasts to drop below 90% as lamps and capacitors age....

[2014-03-07]

Electronic ballasts by diodes, transistors , resistors, capacitors , inductors , and small size, light weight , saving copper and iron metal. magnetic ballast is made of silicon steel , wire composed of large bulky weight, simple structure , in a coil around the core above . Enameled copper wire . Old-fashioned fluorescent at work , 220 VAC into fluorescent ballast - Filament - jump bubble - Filament - then back to 220 volt power constitutes a loop inside the lamp filament heating power heated mercury vapor for about 2 seconds , while fever about 2 seconds after the jump bubble powered internal contacts open , then the circuit instantly disconnected. Since the ballast coil, when a sudden power failure will induce a high voltage, so that the inside of the mercury vapor lamp breakdown conduction, ultraviolet radiation generated in the phosphor coating inside of the tube above emit visible light. After the lamp light , the voltage between two lamp foot sharply to about 60-100 volts, a sharp rise in current ballast ballast began to play a role , resulting in 140-160 volt drop in the ballast coil above limiting the lamp current to rise to stable 0.45 amps ( 40 watt lamp ) . Light feet above two small metal cylinder is filament terminal, are interlinked. After the lamp light , the current path is: 220 volts - Ballast - Lamp pin 1 - internal mercury vapor lamps - lamps pin 2 - 220 volt power constitutes a loop....

[2014-03-07]

Fluorescent magnetic ballasts can work at -40 degrees (under continuous temperature condition). However, fluorescent tubes at -40 degrees not start. Fluorescent tubes inside was evacuated, then filled with an inert gas and a small amount of mercury, phosphor coated tube wall. Preheating both ends with a tungsten wire coated with a tungsten outer strontium and barium can be due to heat emitted electrons oxide. When the tungsten filament is energized when the temperature reaches 950 ℃ (after power across the lamp lights up), the surface coated with oxide emitted by free electrons, an instant starter disconnect between the ends of the electrodes have a higher voltage (magnetic ballast voltage is applied to the power supply voltage), the inert gas is ionized to form an arc tube between two poles (whole lamp is lit, then called the starter), the temperature increased after starter lamp, mercury is heated gasification, while ionized conductive mercury vapor, so arc is maintained, produce ultraviolet light, ultraviolet excited fluorescent substance emits visible light pipe wall. The ambient temperature is too difficult to be ionized mercury lamp, so not start....

[2014-03-06]

Electronic ballast use semi-conductor circuitry to regulate the current flowing through the lamp. The electronic components that compose an electronic ballast are smaller and lighter than the core and coil assembly of a magnetic ballast. Thus an electronic ballast can weigh less than half as much as a magnetic ballast of the same size. Electronic Ballast is a device which controls the starting voltage and the operating currents of lighting devices built on the principle of electrical gas discharge. It refers to that part of the circuit which limits the flow of current through the lighting device and may vary from being a single resistor to a bigger, complex device. In some fluorescent lighting systems like dimmers, it is also responsible for the controlled flow of electrical energy to heat the lamp electrodes. Different lamps require specific ballasts designed to maintain current levels needed for varying tube designs. Using a mismatched lamp and ballast can shorten the life of all components and increase the possibility of overheating, failure and leakage....

[2014-03-06]

Metal halide (MH) lamps consist of an arc tube (also called a discharge tube or "burner") within an outer envelope, or bulb. The arc tube may be made of either quartz or ceramic and contains a starting gas (usually argon), mercury, and MH salts. Traditional quartz MH arc tubes are similar in shape to mercury vapor (MV) arc tubes, but they operate at higher temperatures and pressures. MH lamps start when metal halide ballast supplies a high starting voltage higher than those normally supplied to the lamp electrodes through a gas mixture in the arc tube. The gas in the MH arc tube must be ionized before current can flow and start the lamp. In addition to supplying the correct starting voltage, the ballast also regulates the lamp starting current and lamp operating current. Capacitors in metal halide lamps are known as electrical ballasts. They sit between the lamp's electrical input and each of the lamp's arc tubes. Current passes in through the first of the capacitor's conductors. It physically cannot pass through the dialectric barring it from the conductor connecting to the arc tube. This generates a difference in electrical potential between the two conductors, and as the difference grows, it creates an electrical field within the dialectric. As the field remains constant, current passes into the arc tubes. Electrical current with the gas in the arc tubes causes the tubes to glow. The level of brightness stays constant only because the field generated by the dialectric produces a steady current that would not be present if the arc tube were connected directly to the electrical input....

[2014-03-06]

HID lamps require supplemental electromagnetic and/or electronic circuitry (normally called a “HID ballast”) to start and stabilize the arc discharge and to condition the external power supply to the lamp's specific electrical requirements. A ballast is a device designed to regulate the voltage within an electrical circuit. This page addresses only ballasts used in circuits containing electric gas-discharge lamps. Examples of gas-discharge light sources include neon and fluorescent lights and high-intensity discharge (HID) lamps. The ballast is designed to provide high initial voltage to start the lamp, then decrease voltage quickly to a stable operating level. Ballasts may contain a variety of hazardous materials and must be handled and disposed accordingly. Ballasts of any type should, and in some cases are required to be, recycled.The selection of a ballast type depends on where it is to be used. Mercury and metal halide lamps change little in operating characteristics over life and ballast operation remains fairly constant. But HPS lamps change operating characteristics dynamically over life. Following is an explanation of general operating characteristics of HPS ballasts followed by a tabular listing of typical electrical data of different ballast wattages and types for all three HID lamps....