Knowledge

Cold storage is an indispensable food processing and storage facility in daily life. Because of the complexity of its system and the particularity of the technology used, the safe production of cold s

Ammonia (NH3), an inorganic compound, is colorless and has a pungent and foul smell. It is easily soluble in water. Ammonia reacts with acid to form ammonium salts. Ammonia is mainly used as a refrige

1.Gas leakage in gas boilers refers to the leakage of gas in the boiler due to equipment, pipelines, etc., which cannot be discharged normally. If it is not handled in time, it will bring many hazards

Metallurgical industry refers to the mining, selection, sintering of metal ores and smelting, processing into metal materials of the industrial sector. The metallurgical industry can be divided into f

When we have doubts about the safety of the gas in the confined space, we need to use a gas detector for gas testing. For example, the welding process may cause excessive oxygen or the accumulation of

When it comes to connecting solenoid valves to a gas detector control panel, it's important to follow some basic guidelines to ensure that everything works smoothly and safely. The process can see

RS485 gas detectors use 4-core shielded wires, 2 power lines, and 2 signal lines. The transmission distance is relatively long, about 1-2Km; 4-20mA gas detectors use three-core wires, one power cord a

The battery room is a compartment where batteries are stored. According to the working principle of the lead-acid battery, the positive active substance of lead-acid storage is lead dioxide, the negat

Measures to prevent hydrogen sulfide poisoning Hydrogen sulfide is a colorless and highly toxic acidic gas. It is an inorganic compound. It has no obvious smell at high concentrations, has a strong sm

Fire alarm control panel signal inputs are crucial components in fire detection and prevention systems. These inputs are responsible for receiving signals from various devices that detect the presence

1.Premixed calibration gas The method of premixing calibration gas is the sum method of gas sensor calibration. Premixed calibration gases can be compressed and stored in cylinders under pressure. The

Combustible gas detectors can detect a range of gases that are highly flammable or explosive in nature. These gases include methane, propane, butane, and natural gas. They are commonly found in homes,