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Under what circumstances do I need to use a hydrogen sulfide transmitter?

by:Rika Sensors     2021-12-06
Under what circumstances do I need to use a hydrogen sulfide transmitter?
Yesterday at the beginning of autumn, the weather also came to the mid-futian in the canopy sky. In this climate, everyone must be alert to hydrogen sulfide poisoning. We know that hydrogen sulfide is a colorless, toxic, flammable acidic rotten egg gas, and it is often produced in hot climates. This gas is extremely harmful to the human body and can form an explosive mixture when mixed with air. The explosion limit reaches 4% to 46%, and it can cause combustion or even explosion when encountering high heat and open flames.

People can smell the unpleasant smell of rotten eggs when they are exposed to air with a concentration of 4 to 7 mg/m3 and a medium concentration of hydrogen sulfide. However, high concentrations of hydrogen sulfide can paralyze the olfactory nerves, but there is no smell. Therefore, in a high-concentration hydrogen sulfide environment, it is unreliable to rely on the sense of smell to judge the presence of hydrogen sulfide. It is necessary to monitor in real time in scenarios where hydrogen sulfide is likely to be generated, and install an automatic alarm device. So how can we choose a suitable gas detection and alarm equipment? Here we introduce a hydrogen sulfide transmitter designed and produced.

Principle and application of hydrogen sulfide transmitter

The designed hydrogen sulfide transmitter adopts imported first-line hydrogen sulfide sensor and uses electrochemical principles. This sensor has rapid response and anti-interference ability. Strong characteristics, and after a unique compensation algorithm, multi-stage standard gas calibration, and finally get the concentration of hydrogen sulfide on site. The hydrogen sulfide concentration can be displayed in real time, and the data can also be uploaded to the monitoring software cloud platform through GPRS/4G data transmission.

The hydrogen sulfide transmitter adopts the IP65 king-shaped shell, which has the characteristics of long life, high precision, high repeatability and high stability. It is suitable for underground pipe corridors, underground parking lots, garages, workshops, chemical plants, greenhouse farms, closed living places and other occasions where the concentration of hydrogen sulfide needs to be monitored in real time.

The electrochemical principle of the hydrogen sulfide sensor

The hydrogen sulfide sensor is a constant-potential electrolytic cell type gas sensor. This sensor is very effective for detecting reducing gases. Its principle is different from that of the galvanic cell type sensor. The electrochemical reaction of the constant-potential electrolytic cell type gas sensor is forced by current, and it is a true Coulomb analysis (according to the amount of electricity consumed in the electrolysis process, the content of the measured substance is determined by Faraday's law) sensor.

The output transmission method of the hydrogen sulfide transmitter

The hydrogen sulfide transmitter uses the GPRS/4G method to upload data. The biggest feature of this method is that you can upload the monitoring data to the monitoring without wiring. Software cloud platform.

The GPRS hydrogen sulfide transmitter adopts imported first-line electrochemical sensors of major brands, which can monitor the concentration of hydrogen sulfide in the air in real time. It has the characteristics of rapid response and strong anti-interference ability; when the concentration of hydrogen sulfide in the air When the safety range is exceeded, the sensor will send a short message alarm to the management personnel as soon as possible, and take timely measures to reduce the concentration of hydrogen sulfide to avoid injury to personnel due to excessive concentration.

Monitoring software cloud platform

1. Data display: Gas data information can be viewed through the monitoring software and on-site LED screens. The monitoring software cloud platform also has the function of storing historical data.

2. Over-limit alarm: When the toxic gas at the construction site exceeds the limit, the system will send an alarm message to the management staff as soon as possible to ensure that the management staff collect measures in time to control the hydrogen sulfide concentration and ensure the safety of the site.

3. Real-time monitoring: The hydrogen sulfide transmitter can realize 24-hour uninterrupted data collection, which is conducive to real-time monitoring of field conditions.

4. Intelligent management: A software can add multiple managers, and viewing information is not restricted by time and place. Even if you are not on site, you can view the situation on the site by logging in to the background, which is conducive to work distribution and intelligent management. .

To prevent hydrogen sulfide poisoning, not only rely on hydrogen sulfide transmitters, but also strengthen on-site environmental management and adequate ventilation at regular intervals. While mastering the relevant knowledge of hydrogen sulfide poisoning, at the same time enhance self-protection awareness.

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