Knowledge

Portable gas detector from the detection principle is mainly divided into two kinds: diffusion and pump suction type.The so-called portable, just as the name implies for easy to carry and design, mobi

The calibration of a gas detector means that the instrument is placed in a test gas with a corresponding known concentration, and the detection result of the gas detector is compared with the gas conc

Natural gas is a kind of flammable and explosive gas, which is an important clean energy and has been widely used in many industries.Because of the flammable and explosive nature of natural gas, we mu

The choice of gas detector becomes very important. When choosing, choose suitable testing equipment according to the specific situation. 1. Pay attention to the service life of the instrument Differen

When choosing gas detector, first of all, we should pay attention to the calibration and detection function of the instrument is normal.Toxic and harmful gas detector is the same as other analysis and

Electrical equipment explosion-proof grade definition Explosion-proof electrical equipment is divided into two categories: class I for underground coal mine electrical equipment;II refers to electrica

The working principle of the gas solenoid valve, the use of direct control of the spool to close the valve (or open the valve), when the coil is energized, the electromagnetic force is generated, so t

The application of gas detectors is very extensive, and the user needs to consider the following three characteristics when choosing this instrument. 1. Stability Stability is the issue we have to con

Gas alarm is very important for our chemical industry, for many of the gas must have a specialized can detect his stuff is the most important, combustible gas alarm is one of the combustible gas alarm

At present, there are tens of thousands of kinds of gas detector widely used in the joint station, booster point and well area of oil and gas production area. How to ensure the accuracy and reliabilit

Oxygen, one of the major components of air, is heavier than air and has a density of 1.429 g/l under standard conditions (0℃ and ATMOSPHERIC pressure 101325 pa).Colorless, odorless, tasteless.It has v

With the improvement of people's living standards, consumers' requirements for fruits and vegetables are both fresh and ripe, and this requirement is increasing day by day. The ripening of fru