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Direct reading dust concentration meter
The measurement principle of this dust concentration meter is to use an air pump to suck in air containing dust. When the airflow passes through the f
Product details
Industrial dust prevention, especially planned dust control, is a guarantee of production safety. Frequent occurrences of mine gas explosions, industrial dust explosions, and dust flow pollution result in casualties and economic losses. Therefore, dust detection and planned dust control must be carried out in workplaces in industries such as mining, metallurgy, petrochemicals, and building materials.
The generation and diffusion of dust in the work environment are dynamic and constantly changing. Traditional dust detection involves on-site sampling and sending the results to a laboratory for analysis. This method cannot provide real-time and direct readings on site, and the inspection results lag behind changes in dust concentration, which affects the implementation of dust prevention plans. The GH100 direct reading dust concentration measuring instrument has changed the traditional dust measurement method, realizing on-site detection and direct reading, which is conducive to mastering the dynamic changes of dust and providing accurate data for timely dust control.
ThisDirect reading dust concentration meterThe measurement principle is to use an air pump to suck in air containing dust. When the airflow passes through the filter membrane, the dust is collected by the membrane. The radiation source emits beta rays to irradiate the filter membrane, and some of the rays are absorbed by the dust. The emitted radiation dose is related to the amount of dust collected on the membrane. The change in radiation dose is measured by a high-sensitivity detector, and then processed by a microcontroller according to the dust measurement requirements. The unit air dust content is displayed on the monitor and directly read on site. The working state of the instrument is automatically controlled by the computer for flow rate. As the amount of dust adsorbed by the filter membrane increases, the pump suction is synchronously increased, and the airflow is automatically maintained at a constant speed to prevent sampling errors caused by changes in airflow.
Using a low-dose beta radiation source, with a radiation dose lower than that of a luminous watch, it is absolutely safe, does not require bulky protective devices, reduces the weight of the entire machine, and is easy to carry.
ThisDirect reading dust concentration meterSuitable for all industrial enterprises that generate dust. Various types of ore and workshop workplaces can be used to measure dust concentration, especially suitable for real-time monitoring of coal dust concentration underground in coal mines. It plays an effective supervisory role in labor protection and safety protection for enterprises such as thermal power plants, cement plants, metal smelting and processing plants, textile plants, flour mills, cigarette factories, pharmaceutical factories, etc. It is also a capable assistant for occupational disease prevention and control research institutions and health supervision departments at all levels.
ThisDirect reading dust concentration meterThe operating procedure is simple and convenient, and the whole machine is designed to be explosion-proof, ensuring safety when used in flammable and explosive environments; Suitable for real-time measurement of dust content in various environments such as high and low concentrations, it can measure both total dust (TSP) and respiratory dust (PM10) concentration.
Direct reading dust concentration meterTechnical parameters:
● Typical measurement range: Total dust 0.1-1000mg/m3 (measurement range can be changed by adjusting sampling time) ● Relative error of dust concentration measurement: ≤± 25%
Stability of dust measurement: Stability error for continuous 8-hour operation: ≤± 5%
The sampling time can be programmed to automatically maintain a constant speed (15L/min) for sampling
Environmental adaptability: Temperature -10 ℃~+45 ℃, atmospheric pressure 80kPa~110kPa, relative humidity ≤ 96%
Adaptability of measurement object: It is only related to the quality of the measured medium, and is not related to the particle size, composition, color, and dispersion state of the particles
Power supply: DC12V, powered by lithium batteries, can be used continuously for more than 130 minutes on a single charge
Net weight of the instrument: approximately 3kg
The instrument has intrinsic safety explosion-proof function
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