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Luminescence Principle: When the bulb of 1000 watt double ended hps is turned on, an arc will occur at both ends of the electrode of the arc tube. The effect of this arc is that all the sodium and mercury in the arc tube are evaporated by heat and become sodium vapor or mercury vapor. The electricity emitted from the cathode end of the tube will impact and emit during the movement of turning to the anode. The resulting electro-atomic substances enable atoms to obtain electric energy and produce ionization to excitation level, and then turn back to stable state from excitation state; another is that the ionization state is converted to excitation state, then back to base pentane, and has been circulating indefinitely, so that the excess electric energy will be released in the form of light radiation, thus creating a light source of the high-pressure sodium lamp, which is the working principle of 1000 watt double ended hps.

The working principle of 1000 watt double ended hps is very simple, not as complicated as you think. The discharging substance produced in 1000 watt double ended hps, that is, the atom that promotes the generation of electricity, has a high vapor pressure, which can also be said to that the higher density of sodium atom is higher than the normal standard. Through numerous frequent collisions between electrons and sodium atoms, high-pressure sodium lamps broaden the resonance radiation spectrum and produce visible radiation in other spectra. So the light source color of high-pressure sodium lamp is better than that of low-pressure sodium lamp. The lamp of 1000 watt double ended hps belongs to high intensity gas discharge lamp. Because it is discharging through gas, the negative resistance of the bulb is relatively small. If the negative resistance bulb of this characteristic is connected to the circuit, its working state will be unstable. With continuous discharge, the current in the circuit will continue to rise until the parts of the lamp or power supply are burned out by high voltage.

AZ Lighting is a professional supplier for grow light products featuring complete fixtures, electronic ballasts & lamps. With a factory of 15 years experience in manufacturing grow light products, AZ Lighting has been dedicated in providing cost-effective grow light that have undergone strict quality control procedures.

1. Street Lamp of the 1000 Watt Double Ended HPS

The 1000 watt double ended hps is composed of translucent polycrystalline alumina (PCA) ceramic arc tube, outer bubble shell, metal bracket, degasser and lamp head. Arc tube is its core component, filled with mercury, sodium and inert gas. The 1000 watt double ended hps has the characteristics of high luminous efficiency, low power consumption, long life, strong fog permeability and non-insect attraction. It is a kind of high-intensity gas discharge lamp with high luminous efficiency. It is still the mainstream of road lighting lamps and is a product with high performance and price.

2.Main Advantages of 1000 Watt Double Ended HPS

The light source has the advantages of high luminous efficiency, low price, long service life and low maintenance cost. It can be applied to lighting of main and secondary roads, highways, airports, stations, squares, streets, industrial and mining enterprises.

3.Main Disadvantages of 1000 Watt Double Ended HPS

(1) The large start-up current increases the short-term load of power supply lines and substation boxes, and increases the cable diameter and the design capacity of substation boxes.

(2) It has the high demand for power grid, and voltage fluctuation should not exceed the rated from +6% to -8%. High voltage will affect the lamp life, while the extreme low state will cause the lamp luminous instability or extinction.

(3) The whole lamp should be matched with the ballast.

(4) The color rendering index is low and the application range is limited.

AZ Lighting is a professional supplier for grow light products featuring complete fixtures, electronic ballasts & lamps. With a factory of 15 years experience in manufacturing grow light products, AZ Lighting has been dedicated in providing cost-effective grow light that have undergone strict quality control procedures.

The 1000watt high-pressure mercury lamp is a lamp having the high-pressure mercury vapor discharge coated with phosphor on the inner surface of glass shell. It has soft white light and simple structure, single-ended inflatable bulb with quartz mercury vapor discharge tube. The blue and white cold light provided by the outer oval lamp with inner coating has reasonable light quality, which has the characteristics of the low cost and low maintenance spendings. It can directly replace the common incandescent lamp, owning the characteristics of long light efficiency, long life and energy-saving economy. It is suitable for industrial lighting, warehouse lighting, street lighting, floodlighting and safety lighting.

The 1000 watt double ended hps has high light efficiency and transparent straight tube shell; the discharge tube of the source is filled with sodium-mercury mixture and starting gas xenon; it has the advantages of high luminous efficiency, low power consumption, long service life, strong fog permeability and no attraction to insects. Therefore, 1000 watt double ended hps is widely used in lighting for the road, highway, airport, wharf, dock, station, square, street intersection, industrial and mining enterprises, parks, courtyard.

Configuration is different: high-voltage mercury lamp with ballast can be used without flip-flops, capacitors and other electrical accessories. For the self-ballasting mercury lamp, without any electrical appliances, it can be directly connected to the power supply, which is simple, convenient, cost-saving. Ballast, flip-flop, capacitor and other electrical fittings are necessary for 1000 watt double ended hps, which ensures the normal use. It has high light efficiency, long service life and low maintenance cost.

AZ Lighting is a professional supplier for grow light products featuring complete fixtures, electronic ballasts & lamps. With a factory of 15 years experience in manufacturing grow light products, AZ Lighting has been dedicated in providing cost-effective grow light that have undergone strict quality control procedures.

Have you ever wanted to hide? Do you want to enjoy music alone? Do you want to call sb, but you are busy doing other things? Let's check this TWS earbud which is perfect for both men and women.

Advantages of APEC TWS Earbud
Delicate design and crystal sound, giving you a feeling of being in a fantasy place.
They are colorful, stylish and unique.
It's easy to put it into your pocket with a convenient charging box for easy charging without any hustle.
It true wireless bluetooth double mini headphones earphones stereo earbuds can improve the clarity of the call. You can use R or L side for single mode, especially when you are driving, or you also can use both sides to enjoy the music under stereo mode.
Ensure dramatical improved audio quality, faster and longer range. These earbuds provide an immersive and consistently comfortable listening experience.

TWS is connected with the main headphone through smartphone or other devices, and then the main headphone would connect with the slave speaker via a Bluetooth wireless mode connection, to achieve true wireless Bluetooth for left and right channels separated of Bluetooth headphones.

For TWS headphone, it is not wire connection, and the left and right earphone are independent individuals. When two separate headphones near each other, they can match automatically and shift to double channel stereo, which could give you high quality sound. Meanwhile, true wireless headphones need not a line to charge, normally, they could directly charge on its built-in high capacity lithium battery box can. No matter what you do, driving or running, you can just leave your phone and go, which also means you could share music with others.

Compared to ordinary Bluetooth earphone, the TWS real wireless Bluetooth earphone has the following advantages:

True wireless structure, completely free from cable annoyance and free movement.
Various ways of use, which can be enjoyed and shared, and can be used as two machines by one machine.

We are offering our client an excellent quality range of double sided PCB are available in different thickness and track widths. These are precisely engineered using top quality components and using advance technologies by our experts. Our products are widely recommended by clients owing to their excellent features. Besides, clients can avail these products in various customized options and are reasonably priced.

Features of double PCB:

Excellent performance

Precise design

Easy installation

Excellent finish

Reliable

Cost effective

Keeping in mind the precise demands of clients, we offer a wide range of Double Sided PCB. These devices are available with us in various technical specifications and dimensions as per the exact demands and requirements of clients. Owing to its rich quality, robustness and consistent performance, these devices are widely used by various numbers of clients.

Welcome to compare quality and prices from our different PCB factories. Eolane SCM is an one-stop shop for all possible electronic components. Welcome to contact us for the products you are looking for.

A double sided circuit board PCB and single sided PCB are essentially the same.  The difference being is that a single sided board has copper on one side of the board. Technically speaking, a single-sided board will not have copper plated in the drilled holes either.

The foundation of the PCB is the rigid fiberglass laminate. When it comes to the manufacturing process, there are many types of PCB materials that may be used. Which material gets used is determined by the PCB designer in order to meet electrical, temperature, and other related properties. For this discussion, we will just talk about the standard material that is used, which is fiberglass and often referred to as FR4.

Double Sided PCBs (also known as Double-Sided Plated Thru or DSPT) circuits are the gateway to higher technology applications. They allow for closer (and perhaps more) routing traces by alternating between a top and bottom layer using vias. Today, double sided printed circuit board technology is perhaps the most popular type of PCB in the industry.

There are many different thicknesses available for double-sided boards. Some examples are .020″, .031″, .047″, .059″, .093″, .125″.

Benefits of Double Sided PCBs:

More flexibility for designers

Increased circuit density

Relatively lower costs

Intermediate level of circuit complexity

Reduced board size (which can reduce costs)

Double regulating valve working principle

Balance valve is a dynamic and static balancing valve under hydraulic conditions. Such as static balance valve, dynamic balance valve.

Valve body material: cast iron, cast steel,

Work pressure is 0.6-4.0 MPA.

The working temperature is - 5 C - 350 C.

Valve caliber DN15-DN300,

Connection mode: flange, internal thread,

Driving mode: manual and electric.

Manufacturing standard: national standard.

Balancing valve is a special function valve. It has good flow characteristics. Besides, it has valve opening index, opening locking device and pressure measuring valve for flow measurement. By using special intelligent instrument, the flow value flowing through the balance valve can be directly displayed by inputting the valve type and opening value according to the measured pressure difference signal. As long as the balance valve with appropriate specifications is installed in each branch and user's entrance and debugged once with the special intelligent instrument, the flow rate of each user can reach the set value.

Static balancing valves are also called balancing valves, manual balancing valves, digital locking balancing valves, double-position regulating valves, etc. It is through changing the clearance between the spool and the seat (opening), to change the flow resistance through the valve in order to achieve the purpose of regulating flow. Its object of action is the resistance of the system, which can distribute the new water in proportion to the design calculation, increase and decrease the branches in proportion at the same time, still meet the flow demand of part of the load under the current climate needs, and play the role of heat balance. Dynamic balancing valves are divided into dynamic flow balancing valves, dynamic differential pressure balancing valves, self-operated differential pressure control valves and so on.

Dynamic flow balance valve is also called self-operated flow control valve, self-operated balance valve, constant flow valve, automatic balance valve, etc. It automatically changes the drag coefficient according to the change of system working condition (differential pressure). In a certain range of pressure difference, the flow through can be effectively controlled to maintain a constant value, that is, when the pressure difference before and after the valve increases, the flow through the valve can be maintained by the action of automatic closing small. On the contrary, when the pressure difference decreases, the valve opens automatically and the flow rate remains constant. However, when the pressure difference is smaller or larger than the normal working range of the valve, it can not provide additional pressure head after all. At this time, the flow rate of the valve to the full open or closed position is still lower or higher than the set flow rate can not be controlled.

Dynamic differential pressure balancing valve, also known as self-operated differential pressure control valve, differential pressure controller, constant voltage variable synchronizer, differential pressure balancing valve, etc. It uses differential pressure to adjust the opening of the valve, and uses the change of pressure drop of the valve core to compensate for the change of pipeline resistance, so as to keep the differential pressure basically unchanged when the working condition changes. Its principle is that in a certain flow range, it can effectively control the constant pressure difference of the controlled system, that is, when the pressure difference of the system increases, it can ensure that the pressure difference of the controlled system increases by automatically closing the valve. When the pressure difference decreases, the valve opens automatically, and the pressure difference remains constant. The self-operated pressure difference control valve has an automatic plug closing state within the control range. The pressure difference between the two ends of the valve exceeds the preset value. The plug opens automatically and adjusts the opening automatically under the action of the pressure sensitive film to keep the pressure difference between the two ends of the valve relatively constant.

To withstand high temperature, the metal seal must be used, but large leakage; For zero leakage, rubber seal must be used, but not high-temperature resistant. In order to overcome the contradiction of the double eccentric butterfly valve china, the triple offset butterfly valve was carried out.

The structural characteristics of the double eccentric eccentric axis of the stem position at the same time, make the butterfly plate type sealing face of the cone axis deflection in the cylindrical axis of ontology, that is to say, after the triple eccentric, butterfly plate sealing section is no longer true circle, but the ellipse, and so the seal face shape asymmetry, tilt to the center line of the ontology, on the other side is parallel to the centerline of ontology. The biggest characteristic of the triple eccentric is fundamentally changed the seal structure and seal position is no longer, but the torque seal, namely not rely on the elastic deformation of the seat, but completely rely on the seat of the contact pressure to achieve sealing effect, thus solved the problem of metal seated zero leakage at a stroke, and because of the contact pressure and the medium is proportional to the pressure, resistance to high pressure high temperature is solved. Are abundant as producers of triple offset butterfly valve, our valves service life is long, the key is the beginning of the material and material technology progress, many new high-performance materials developed in recent years, also appeared many casting, welding, spray welding, painting, such as molding, sintering, composite and surface treatment of new technology and new technology and equipment. Paying attention to the information about material science and applying it to the valve in time is an important technical way to develop high performance and high parameter valve.