Smart arsenic trihydride sensorIt is a new type of intelligent sensor specially launched for gas detector manufacturers, mainly to solve the problems of a wide variety of gas detection, incompatible sensors of various varieties, complex production calibration, and limited replacement of core components.
Detailed technical data
1) Working voltage: DC5-24V 1%;
2) Working current: 50mA (catalytic 100mA);
3) Measuring gas: toxic and harmful gas, flammable and explosive gas;
4) Installation: plug-in, fixed, external;
5) Measuring range: 0-1 10 200 500 1000 2000ppm etc.;
6) Detection principle: electrochemical, infrared, semiconductor, optical, etc.
7) Resolution ppm;
8) Response time: <10s
9) Sampling accuracy: 2%fs;
10) Warm-up time: 30s;
11) Repeatability: 1%FS;
12) Long-term zero drift: 1%fs year;
13) Operating temperature: -20 70;
14) Operating humidity: 10 95%RH (no condensation);
15) Storage temperature: -40 70;
16) Working air pressure: 86kpa 106kpa;
17) Shell Material: Aluminum Alloy Stainless Steel;
18) Output interface: optional;
19) Service life: more than 2 years (subject to the service life of the sensor);
20) Warranty period: 1 year.
21) Digital Signal Format: Data Bits: 8;Stop bits: 2;Check digit: None;
22) Baud rate: 9600;
23) Output voltage: 04-2.0VDC (Conventional -20mA, TTL optional;.)
24) Dimensions: 20*20*32mm or 35*35*32mm optional.
Sensor Installation:
The smart gas sensor is designed to be plugged and installed on the sensor socket, and a dedicated jack should be used to ensure a reliable connection. The jacks should be arranged in a way corresponding to the pins, and the jacks should be installed vertically and welded firmly. According to the special requirements of users, the external lead method can be used without using the pin plugging method, and the wire length is generally not more than 150mm. In non-explosion-proof places, it can be hot-swapped with electricity. At work sites where explosion-proof requirements are required, the power to the equipment to which the sensor is connected must be switched off prior to installation.
App Marketplace
Intelligent gas sensors are inseparable from petroleum, petrochemical, metallurgy, chemical industry, electric power, telecommunications, gas, mining, pharmaceutical, municipal sewage treatment, indoor environment, atmospheric environmental protection, transportation equipment, transportation, road safety, underground parking and other fields. In recent years, environmental data collection has been the main focus.
Popular knowledge
ASH3 is a chemical substance, and its decomposition temperature refers to the temperature at which ASH3 will decompose and react. In this article, we will discuss the ASH3 decomposition temperature.
We need to know the basics of ash3. ASH3, the full name of arsenic trihydride, is an inorganic compound with the chemical formula ASH3. It is a colorless, pungent odorous gas that can be liquefied at room temperature. ASH3 exists in the atmosphere for a short time and is prone to decomposition reactions.
Next, let's take a look at the decomposition temperature of ash3. The decomposition temperature of ash3 depends on various factors such as pressure, catalyst, reactant concentration, etc. Under normal conditions, the decomposition temperature of ASH3 is about 300°C. When the temperature exceeds this critical value, ash3 undergoes a decomposition reaction to produce arsenic and hydrogen.
The decomposition reaction of Ash3 can be expressed by the following chemical equation:
2ash3 → 2as + 3h2
In the decomposition reaction, the arsenic atom in the ash3 molecule separates from the hydrogen atom to form arsenic and hydrogen. This reaction is an exothermic reaction that releases a large amount of energy.
So, why does ash3 decompose at high temperatures?This is because the arsenic-hydrogen bond in the ash3 molecule becomes unstable at high temperatures and breaks easily. Once these bonds are broken, the ash3 molecule breaks down into arsenic and hydrogen.
In addition to temperature, other factors also affect the decomposition temperature of ash3. For example, when the pressure increases, the decomposition temperature of Ash3 increases accordingly. This is because under high pressure conditions, the interaction between molecules is enhanced, and the arsenic-hydrogen bond is more difficult to break. In addition, the presence of a catalyst can also increase the decomposition temperature of ash3. Catalysts can reduce the activation energy of the reaction, making the decomposition reaction more likely to occur.
The decomposition temperature of ASH3 is important for many fields. For example, in semiconductor manufacturing, ash3 is used as an arsenic source, and by controlling the temperature, the degree of decomposition of ash3 can be precisely controlled, and the amount of arsenic can be regulated. In addition, studying the decomposition temperature of ASH3 can also help to understand its behavior in the atmosphere, and to assess the impact on environmental pollution and human health.
To summarize, ash3 is a chemical substance, and its decomposition temperature refers to the temperature at which ash3 will undergo a decomposition reaction. The decomposition temperature of ash3 is about 300°C, and the arsenic-hydrogen bond becomes unstable and easily broken at high temperatures, resulting in the decomposition of ash3 into arsenic and hydrogen. In addition to temperature, factors such as pressure and catalyst also affect the decomposition temperature of ash3. Knowing the decomposition temperature of ASH3 is important for many fields. By controlling the temperature, the degree of decomposition of ash3 can be precisely controlled, so as to adjust the amount of arsenic. At the same time, studying the decomposition temperature of ASH3 can also help to assess its impact on the environment and human health.