Knowledge

The getter and the getter film are used to absorb the released gas. Maintain a high vacuum in the collector tube.

The structure of the all-glass vacuum tube is composed of inner glass tube, solar selective absorption coating, vacuum interlayer, cover glass tube, s

There are mainly two types. One is that there is no water inside the tube. , One is the water in the tube.

The temperature rise of the hot water in the solar water heater has little to do with the outside temperature, and it mainly depends on the light.

The vacuum tube is the core of the solar water heater. Its structure is like an elongated thermos flask with a vacuum between the inner and outer laye

Solar vacuum tubes and solar water heater vacuum tubes are the core components of solar water heaters. They are known as the "heart" of solar water he

Compared with fluorescent tubes, it is more energy-efficient, less expensive, has a long life, and has a simple structure.

The lamp holder uses G5 and G13. T5 color rendering index>30, good color rendering, ideal lighting effect for colorful items and environments, low lig

Straight tube fluorescent tubes are divided into specifications according to tube diameter: T12, T10, T8, T6, T5, T4, T3, etc.

LED tube refers to a tube whose light source uses LED as the luminous body. Compared with fluorescent tubes, it is more energy-efficient, less expensi

Lamp tube usually refers to straight tube fluorescent lamp. Due to the particularity of the vocabulary, it now refers to lamps with a long tube appear